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        78 Part Time API jobs in Hertfordshire + 20 miles

        Ariba - Technical Procurement Lead

        Sanderson Recruitment
        City of London (EC1), EC1
        £700 - £775 per day + via Umbrella
        Sanderson are partnered with a leading Financial Services company to support in the hiring of an Ariba Technical Procurement Lead. This role is hybrid working, 50% onsite expectation, in one of the main offices - London, York, Bristol, Norwich or Perth. An initial 6 months contract with potential extensions. Purpose of the Role * Own and improve Ariba procurement technology, ensuring it connects well with other business systems. * Lead and deliver the digital strategy for procurement, making sure the company gets the most value from procurement tools, processes, and data. * Use procurement data to provide valuable insights and reporting. * Manage and prioritise technology needs and improvements. * Offer technical advice to procurement teams around using Ariba. * Keep procurement processes up to date and encourage continuous improvement.
        Sanderson are partnered with a leading Financial Services company to support in the hiring of an Ariba Technical Procurement Lead. This role is hybrid working, 50% onsite expectation, in one of the main offices - London, York, Bristol, Norwich or Perth. An initial 6 months contract with potential extensions. Purpose of the Role * Own and improve Ariba procurement technology, ensuring it connects well with other business systems. * Lead and deliver the digital strategy for procurement, making sure the company gets the most value from procurement tools, processes, and data. * Use procurement data to provide valuable insights and reporting. * Manage and prioritise technology needs and improvements. * Offer technical advice to procurement teams around using Ariba. * Keep procurement processes up to date and encourage continuous improvement.
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        FEATURED

        Salesforce Developer

        Triad Group PLC
        Milton Keynes (MK1)
        £55000 - £65000 per annum
        Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary: up to £65,000, plus company benefits. Due to the nature of this position, you must be willing and eligible to achieve a minimum of SC clearance. To be eligible, you must have been a resident in the UK for a minimum of 5 years and have the right to work in the UK. About Us Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years' experience primarily serving the UK public sector and central government. We deliver high-quality solutions that make a real difference to users, citizens, and consumers. At Triad, collaboration thrives, knowledge is shared, and every voice matters. Our close-knit, supportive culture ensures you're valued from day one.
        Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary: up to £65,000, plus company benefits. Due to the nature of this position, you must be willing and eligible to achieve a minimum of SC clearance. To be eligible, you must have been a resident in the UK for a minimum of 5 years and have the right to work in the UK. About Us Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years' experience primarily serving the UK public sector and central government. We deliver high-quality solutions that make a real difference to users, citizens, and consumers. At Triad, collaboration thrives, knowledge is shared, and every voice matters. Our close-knit, supportive culture ensures you're valued from day one.
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        Cyber Security Architect

        Anson Mccade
        South East London (SE1)
        From £90,000 to £120,000 per annum
        Cybersecurity Architect Location: Remote (UK-based) Salary: Competitive + bonus + benefits Industry: Digital Transformation Consultancy (Times Top 100 Employer) About the Role A leading UK digital transformation consultancy consistently recognised as a Times Top 100 Company to Work For is seeking a Cybersecurity Architect to join its growing security practice. This is a fully remote role (UK-based), working on high-impact programmes across public and private sector clients. Youll play a key role in designing secure cloud and application architectures, advising on best practices, and embedding security into digital platforms from discovery through to delivery. Key Responsibilities * Design secure cloud architectures across AWS/Azure/GCP for enterprise-scale transformation projects
        Cybersecurity Architect Location: Remote (UK-based) Salary: Competitive + bonus + benefits Industry: Digital Transformation Consultancy (Times Top 100 Employer) About the Role A leading UK digital transformation consultancy consistently recognised as a Times Top 100 Company to Work For is seeking a Cybersecurity Architect to join its growing security practice. This is a fully remote role (UK-based), working on high-impact programmes across public and private sector clients. Youll play a key role in designing secure cloud and application architectures, advising on best practices, and embedding security into digital platforms from discovery through to delivery. Key Responsibilities * Design secure cloud architectures across AWS/Azure/GCP for enterprise-scale transformation projects
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        PREMIUM

        Technical Business Analyst

        Aqovia UK Limited
        Central London (W1)
        From £60,000 to £80,000 per annum
        Since 2008, Aqovia has been a leader in technology innovation and digital transformation. We specialise in bespoke software development, data science, engineering, AI/ML, and tailored software-defined solutions. Partnering with clients across the globe, we deliver impactful results for industries such as teleco, international government bodies, media, and technology. At Aqovia, we pride ourselves on our ability to design, architect, and develop cutting-edge solutions that drive transformative projects. Our world-class team, with decades of experience at leading blue-chip companies, brings unmatched expertise to every stage of the product development lifecycle. Join Aqovia and become part of a team that values innovation, excellence, and collaboration. Your expertise will play a pivotal role in shaping the future of technology solutions and driving meaningful change.
        Since 2008, Aqovia has been a leader in technology innovation and digital transformation. We specialise in bespoke software development, data science, engineering, AI/ML, and tailored software-defined solutions. Partnering with clients across the globe, we deliver impactful results for industries such as teleco, international government bodies, media, and technology. At Aqovia, we pride ourselves on our ability to design, architect, and develop cutting-edge solutions that drive transformative projects. Our world-class team, with decades of experience at leading blue-chip companies, brings unmatched expertise to every stage of the product development lifecycle. Join Aqovia and become part of a team that values innovation, excellence, and collaboration. Your expertise will play a pivotal role in shaping the future of technology solutions and driving meaningful change.
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        Software Engineer - AI Innovation

        Connexa
        Milton Keynes (MK1)
        £50000 - £70000 per annum + 20% Bonus
        Our client, a growing consultancy delivering cutting-edge AI and data-led services to government and public sector clients, is looking for a Full Stack Software Engineer to join their forward-thinking team in Milton Keynes. This is a fantastic opportunity to contribute to a nationally recognised AI innovation platform used to drive sensitive data discovery, redaction, and secure archiving for government departments. You'll work across a modern tech stack and play a key role in the development, deployment, and support of a secure full stack system used across the UK public sector. * Design, build, and test full stack software in a secure, client-focused environment * Work with modern front-end technologies (React, TypeScript, HTML/CSS) to deliver intuitive UI/UX * Develop robust back-end services using Java and Spring Boot
        Our client, a growing consultancy delivering cutting-edge AI and data-led services to government and public sector clients, is looking for a Full Stack Software Engineer to join their forward-thinking team in Milton Keynes. This is a fantastic opportunity to contribute to a nationally recognised AI innovation platform used to drive sensitive data discovery, redaction, and secure archiving for government departments. You'll work across a modern tech stack and play a key role in the development, deployment, and support of a secure full stack system used across the UK public sector. * Design, build, and test full stack software in a secure, client-focused environment * Work with modern front-end technologies (React, TypeScript, HTML/CSS) to deliver intuitive UI/UX * Develop robust back-end services using Java and Spring Boot
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        Data Engineering and Integration Manager (Remote) - Full time permanent role - Retail industry - Remote/home-based - Salary up to £75,000 plus bonus, private healthcare and more! A large and growing retail business are looking to expand their IT function with the addition of a Data Integration Manager. This role will focus on end to end data engineering and integration solutions for a company wide modernisation programme. - Managing the processes for data engineering and data integration in order to align to business needs - Leading a team across engineering and integration - Work to ensure the data infrastructure of the business effectively supports analytics, AL, machine learning ML and reporting - Designing of data pipelines, ETL, ELT processes and architecture
        Data Engineering and Integration Manager (Remote) - Full time permanent role - Retail industry - Remote/home-based - Salary up to £75,000 plus bonus, private healthcare and more! A large and growing retail business are looking to expand their IT function with the addition of a Data Integration Manager. This role will focus on end to end data engineering and integration solutions for a company wide modernisation programme. - Managing the processes for data engineering and data integration in order to align to business needs - Leading a team across engineering and integration - Work to ensure the data infrastructure of the business effectively supports analytics, AL, machine learning ML and reporting - Designing of data pipelines, ETL, ELT processes and architecture
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        FEATURED

        Java Engineer

        Profile 29
        South East London (SE1)
        From £45,000 to £60,000 per annum + hybrid working
        Salary to £60k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC or DV clearance. (SC) 5 years & (DV) 10 years residency in the UK with no more than a 3 month break outside the UK. This company is a Workflow & AI Orchestration Specialist. They're on a mission to modernise how public sector organisations manage casework, derive insight from data and deliver citizen services. Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for a Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services.
        Salary to £60k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve SC or DV clearance. (SC) 5 years & (DV) 10 years residency in the UK with no more than a 3 month break outside the UK. This company is a Workflow & AI Orchestration Specialist. They're on a mission to modernise how public sector organisations manage casework, derive insight from data and deliver citizen services. Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for a Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services.
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        Salesforce Tech Lead

        Infoplus Technologies UK Ltd
        Windsor, Berkshire
        From £450 to £500 per day
        Windsor, UK Will the role be 100% remote, Hybrid or 100% office? (Mandatory) Hybrid (visit to office once every week) to begin with Is BGC required to completed before joining?(Y/N) * Participate in refining and scoping upcoming sprint work. * Assist solution architects with technical design and breaking down complex tasks. * Accountable for timely delivery of assigned tickets, meeting acceptance criteria. * Conduct spikes/investigations into innovative technologies for future project viability. * Ensure teammates' work meets code quality standards through reviews. * Coordinate with other teams for integrations, ensuring alignment of tasks and APIs. * Work with the QA team to investigate and resolve issues. * Mentor junior team members, providing assistance with tasks and problem-solving. * At least 5+ years Salesforce, both declarative and programmatic
        Windsor, UK Will the role be 100% remote, Hybrid or 100% office? (Mandatory) Hybrid (visit to office once every week) to begin with Is BGC required to completed before joining?(Y/N) * Participate in refining and scoping upcoming sprint work. * Assist solution architects with technical design and breaking down complex tasks. * Accountable for timely delivery of assigned tickets, meeting acceptance criteria. * Conduct spikes/investigations into innovative technologies for future project viability. * Ensure teammates' work meets code quality standards through reviews. * Coordinate with other teams for integrations, ensuring alignment of tasks and APIs. * Work with the QA team to investigate and resolve issues. * Mentor junior team members, providing assistance with tasks and problem-solving. * At least 5+ years Salesforce, both declarative and programmatic
        more

        Integration Architect

        The Curve Group
        City of London (EC4R), EC4R 3AB
        Negotiable
        A leading financial services organisation are undergoing a major transformation programme, and are looking for an experienced Integration Architect to join on a 12-month contract. This role is ideal for someone who specialises in system integration, API design, and cloud-based architecture (Azure) and enjoys shaping strategy as well as guiding delivery teams. Key Responsibilities * Define and deliver the integration architecture strategy for a group-wide transformation. * Design and govern API-led integrations, interface specifications, message schemas, and data flows. * Work closely with Solution Architects, Cloud Architects, Product Owners and delivery teams to ensure scalable, secure and future-proof integration solutions. * Champion integration best practices, standardisation and reusability across programmes.
        A leading financial services organisation are undergoing a major transformation programme, and are looking for an experienced Integration Architect to join on a 12-month contract. This role is ideal for someone who specialises in system integration, API design, and cloud-based architecture (Azure) and enjoys shaping strategy as well as guiding delivery teams. Key Responsibilities * Define and deliver the integration architecture strategy for a group-wide transformation. * Design and govern API-led integrations, interface specifications, message schemas, and data flows. * Work closely with Solution Architects, Cloud Architects, Product Owners and delivery teams to ensure scalable, secure and future-proof integration solutions. * Champion integration best practices, standardisation and reusability across programmes.
        more

        Senior Analytics Implementation Engineer

        Stepstone UK
        Southwark, South East London (SE1), SE1 0TA
        Competitive salary
        Company Description At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. Join our team of 4,000+ employees and be part of reshaping the labour market and becoming the worlds leading job-tech platform. Your benefits Were a community here that cares as much about your life outside work as how you feel when youre with us. Because your job shouldnt take over your life, it should enrich it. * 29 days holiday allowance + bank holidays * Private medical and dental healthcare * Pension contribution up to 10% * Training and development opportunities * Cycle to work scheme * In house Barista
        Company Description At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. Join our team of 4,000+ employees and be part of reshaping the labour market and becoming the worlds leading job-tech platform. Your benefits Were a community here that cares as much about your life outside work as how you feel when youre with us. Because your job shouldnt take over your life, it should enrich it. * 29 days holiday allowance + bank holidays * Private medical and dental healthcare * Pension contribution up to 10% * Training and development opportunities * Cycle to work scheme * In house Barista
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        PREMIUM

        DevOps Lead

        83zero Limited
        City of London (EC1)
        £80000 - £100000 per annum + Plus benefits
        Dev/Ops Lead - PaaS Platform | Hybrid (Central London) 83zero is partnered with an exciting, fast-growing startup that's making serious moves in the B2B2C social media space. They're building a next-gen Platform-as-a-Service that's already gaining traction across global media ecosystems - and they're now looking for a DevOps Lead to join their journey. This is a hands-on leadership role where you'll own the technical direction of a serverless, event-driven, globally distributed platform built on AWS. You'll lead a distributed engineering team, shape high-performance APIs, and build systems that scale hard and run clean. What's On Offer * Competitive salary + performance bonus. * Meaningful equity - build it, own it, grow with it. * Hybrid/remote-first working culture. * A seat at the decision table in a fast-scaling SaaS business.
        Dev/Ops Lead - PaaS Platform | Hybrid (Central London) 83zero is partnered with an exciting, fast-growing startup that's making serious moves in the B2B2C social media space. They're building a next-gen Platform-as-a-Service that's already gaining traction across global media ecosystems - and they're now looking for a DevOps Lead to join their journey. This is a hands-on leadership role where you'll own the technical direction of a serverless, event-driven, globally distributed platform built on AWS. You'll lead a distributed engineering team, shape high-performance APIs, and build systems that scale hard and run clean. What's On Offer * Competitive salary + performance bonus. * Meaningful equity - build it, own it, grow with it. * Hybrid/remote-first working culture. * A seat at the decision table in a fast-scaling SaaS business.
        more

        Software Developer

        Oscar Associates (UK) Limited
        City of London (EC1)
        £30000 - £40000 per annum
        We are delighted to be partnering with a successful technology consultancy that is expanding its Software Development team. This is an excellent opportunity for a proactive and committed Software Developer with experience in C#, JavaScript, and SQL to contribute to impactful projects across a diverse client base. About the role As a Software Developer, you will be working on the development, and maintenance of their internal software product, ensuring seamless integrations into their clients CRM systems. You'll also get involved with external projects, collaborating closely with clients to understand their needs, and design effective solutions. This role blends hands-on technical work with client interaction, giving you the chance to make a visible impact. Key Responsibilities
        We are delighted to be partnering with a successful technology consultancy that is expanding its Software Development team. This is an excellent opportunity for a proactive and committed Software Developer with experience in C#, JavaScript, and SQL to contribute to impactful projects across a diverse client base. About the role As a Software Developer, you will be working on the development, and maintenance of their internal software product, ensuring seamless integrations into their clients CRM systems. You'll also get involved with external projects, collaborating closely with clients to understand their needs, and design effective solutions. This role blends hands-on technical work with client interaction, giving you the chance to make a visible impact. Key Responsibilities
        more
        Stevenage As a Senior Systems Coordinator, you will work in a dynamic position where you build technical solutions on top of the standard software configuration based on the requirements that you get out of the conversation with not only the Facilities Management Team but also the wider business. The role of Senior Systems Coordinator lies on the edge of both consultancy and software development. Salary: Circa £50,000 depending on experience Dynamic (hybrid) working: 2-3 days per week on-site due to workload classification Security Clearance: British Citizen. Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by the MBDA Personnel Security Team.
        Stevenage As a Senior Systems Coordinator, you will work in a dynamic position where you build technical solutions on top of the standard software configuration based on the requirements that you get out of the conversation with not only the Facilities Management Team but also the wider business. The role of Senior Systems Coordinator lies on the edge of both consultancy and software development. Salary: Circa £50,000 depending on experience Dynamic (hybrid) working: 2-3 days per week on-site due to workload classification Security Clearance: British Citizen. Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by the MBDA Personnel Security Team.
        more
        FEATURED
        Senior/Lead Hands on Full Stack Developer - React / Python London | Hybrid (3days in the office and 2 days from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end. * Build responsive UIs in React * Develop APIs & services in Python (either Django/Flask/FastAPI) * Own features end-to-end * Help shape our tech stack * Strong React & Python skills * API & database experience * A proactive, problem-solving mindset * Ideally start-up or scale-up experience Why us? * Big impact from day one * Technical ownership & flexibility * Career growth + equity options Apply with your CV + GitHub
        Senior/Lead Hands on Full Stack Developer - React / Python London | Hybrid (3days in the office and 2 days from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end. * Build responsive UIs in React * Develop APIs & services in Python (either Django/Flask/FastAPI) * Own features end-to-end * Help shape our tech stack * Strong React & Python skills * API & database experience * A proactive, problem-solving mindset * Ideally start-up or scale-up experience Why us? * Big impact from day one * Technical ownership & flexibility * Career growth + equity options Apply with your CV + GitHub
        more

        Senior Software Engineer

        Anson Mccade
        South West London (SW1), SW1P 3LA
        80000-100000 Annual
        £80000-100000 GBP Equity Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent London (4 days onsite) £80,000 to £100,000 base plus package A high-growth B2B fintech scale-up transforming how complex industries handle payments and financial workflows are growing their engineering team! They're profitable, well-funded, and engineering-led, and as their newest Engineer you'll shape their core platform and take ownership of critical features. This is a hands-on senior role where you can influence the technical direction, own features and build software that has a real impact. * Build and scale end-to-end features across the full stack using .NET and React * Work with SQL and NoSQL databases to deliver robust, high-performance solutions * Design, maintain and optimise cloud-based services on AWS, GCP or Azure
        £80000-100000 GBP Equity Hybrid WORKING Location: Central London, Greater London - United Kingdom Type: Permanent London (4 days onsite) £80,000 to £100,000 base plus package A high-growth B2B fintech scale-up transforming how complex industries handle payments and financial workflows are growing their engineering team! They're profitable, well-funded, and engineering-led, and as their newest Engineer you'll shape their core platform and take ownership of critical features. This is a hands-on senior role where you can influence the technical direction, own features and build software that has a real impact. * Build and scale end-to-end features across the full stack using .NET and React * Work with SQL and NoSQL databases to deliver robust, high-performance solutions * Design, maintain and optimise cloud-based services on AWS, GCP or Azure
        more
        PREMIUM

        Lead Software Developer - Python / AWS / React

        Tech 4
        East London (E1)
        From £72,000 to £76,000 per annum + excellent benefits
        Highly successful and fast growing organisation has an exciting opportunity for a Lead Software Developer (PYTHON/AWS/REACT). Part of the extended Technology Leadership Team, the Lead Software Developer will design, implement, and maintain publishing software, systems, and customer- facing digital products. They will provide technical supervision and guidance across the team, establishing and maintaining the development processes and working practices. * Lead the development and maintenance of software, in line with organisational objectives for a specific team. * Promote the creation of high-quality code using modern agile engineering practices such as TDD, CI/CD, pair programming, continuous monitoring etc. * Work closely with QA and Product teams.
        Highly successful and fast growing organisation has an exciting opportunity for a Lead Software Developer (PYTHON/AWS/REACT). Part of the extended Technology Leadership Team, the Lead Software Developer will design, implement, and maintain publishing software, systems, and customer- facing digital products. They will provide technical supervision and guidance across the team, establishing and maintaining the development processes and working practices. * Lead the development and maintenance of software, in line with organisational objectives for a specific team. * Promote the creation of high-quality code using modern agile engineering practices such as TDD, CI/CD, pair programming, continuous monitoring etc. * Work closely with QA and Product teams.
        more

        Lead Python Developer

        Tech 4
        East London (E1)
        £76,000 per annum + excellent benefits
        Highly successful and fast growing organisation has an exciting opportunity for a Lead Python Developer (PYTHON/AWS/REACT). Part of the extended Technology Leadership Team, the Lead Python Developer will design, implement, and maintain publishing software, systems, and customer- facing digital products. They will provide technical supervision and guidance across the team, establishing and maintaining the development processes and working practices. * Lead the development and maintenance of software, in line with organisational objectives for a specific team. * Promote the creation of high-quality code using modern agile engineering practices such as TDD, CI/CD, pair programming, continuous monitoring etc. * Work closely with QA and Product teams.
        Highly successful and fast growing organisation has an exciting opportunity for a Lead Python Developer (PYTHON/AWS/REACT). Part of the extended Technology Leadership Team, the Lead Python Developer will design, implement, and maintain publishing software, systems, and customer- facing digital products. They will provide technical supervision and guidance across the team, establishing and maintaining the development processes and working practices. * Lead the development and maintenance of software, in line with organisational objectives for a specific team. * Promote the creation of high-quality code using modern agile engineering practices such as TDD, CI/CD, pair programming, continuous monitoring etc. * Work closely with QA and Product teams.
        more

        Senior Full Stack Engineer

        McGregor Boyall Associates Limited
        City of London (EC1)
        £80000 - £120000 per annum + bonus
        We are seeking a talented Senior Full Stack Software Engineer to join a leading global investment management firm in London. Paying up to 120k plus bonus per annum, you will contribute to the development, optimisation, and design of front-office applications, collaborating with portfolio managers and product owners to create innovative and high-performance solutions. As a Senior Full Stack Software Engineer, you will play a key role in developing and delivering critical investment management tools and systems. Your expertise will be essential in ensuring the optimal performance of the firm's core applications, while working closely with cross-functional teams to drive system improvements and innovations. Based in London, working to a hybrid working model 3 days a week, they believe in collaboration, teamwork, learning, and innovation.
        We are seeking a talented Senior Full Stack Software Engineer to join a leading global investment management firm in London. Paying up to 120k plus bonus per annum, you will contribute to the development, optimisation, and design of front-office applications, collaborating with portfolio managers and product owners to create innovative and high-performance solutions. As a Senior Full Stack Software Engineer, you will play a key role in developing and delivering critical investment management tools and systems. Your expertise will be essential in ensuring the optimal performance of the firm's core applications, while working closely with cross-functional teams to drive system improvements and innovations. Based in London, working to a hybrid working model 3 days a week, they believe in collaboration, teamwork, learning, and innovation.
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        Stevenage As a data engineer specialising in generative AI ; this role will see you working in a developing international and transversal structure. You will have the responsibility to evaluate, build and maintain data sets for internal customers whilst ensuring they can be maintained. Salary: Circa £45,000 - £55,000 depending on experience Dynamic (hybrid) working: 2-3 days per week on-site due to workload classification Security Clearance: British Citizen Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by the MBDA Personnel Security Team. * Company bonus: Up to £2,500 (based on company performance and will vary year to year)
        Stevenage As a data engineer specialising in generative AI ; this role will see you working in a developing international and transversal structure. You will have the responsibility to evaluate, build and maintain data sets for internal customers whilst ensuring they can be maintained. Salary: Circa £45,000 - £55,000 depending on experience Dynamic (hybrid) working: 2-3 days per week on-site due to workload classification Security Clearance: British Citizen Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by the MBDA Personnel Security Team. * Company bonus: Up to £2,500 (based on company performance and will vary year to year)
        more
        FEATURED

        Senior Frontend Developer

        Pathfinder Business Solutions Ltd
        Milton Keynes (MK9), MK9 3QA
        From £50,000 to £60,000 per annum Full Benefits Pack
        In this role youll influence technical direction, contribute to evolving front-end frameworks, and take a lead role in a team thats growing and innovating. The organisation delivers technology solutions across multiple sectors operating at global scale. Youll work cross-functionally with product managers, infrastructure specialists and support teams, with responsibility not just for delivery but also for mentoring peers, shaping design decisions, and contributing to long-term planning and technical standards. * SPA development experience using JavaScript and TypeScript * Proficiency in both Vue.js (v3) and Nuxt.js * HTML5, CSS3+, Tailwind, and responsive design implementation * CSS pre-processors (SASS, SCSS) and build tools (Vite, Webpack) * PrimeUI, Axios, GitHub or equivalent version control * Experience with MSAL and single sign-on (SSO)
        In this role youll influence technical direction, contribute to evolving front-end frameworks, and take a lead role in a team thats growing and innovating. The organisation delivers technology solutions across multiple sectors operating at global scale. Youll work cross-functionally with product managers, infrastructure specialists and support teams, with responsibility not just for delivery but also for mentoring peers, shaping design decisions, and contributing to long-term planning and technical standards. * SPA development experience using JavaScript and TypeScript * Proficiency in both Vue.js (v3) and Nuxt.js * HTML5, CSS3+, Tailwind, and responsive design implementation * CSS pre-processors (SASS, SCSS) and build tools (Vite, Webpack) * PrimeUI, Axios, GitHub or equivalent version control * Experience with MSAL and single sign-on (SSO)
        more
        Stevenage As a Senior Systems Coordinator, you will work in a dynamic position where you build technical solutions on top of the standard software configuration based on the requirements that you get out of the conversation with not only the Facilities Management Team but also the wider business. The role of Senior Systems Coordinator lies on the edge of both consultancy and software development. Salary: Circa £55,000 depending on experience Role: 2 year fixed term contract Dynamic (hybrid) working: 2-3 days per week on-site due to workload classification Security Clearance: British Citizen. Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by the MBDA Personnel Security Team.
        Stevenage As a Senior Systems Coordinator, you will work in a dynamic position where you build technical solutions on top of the standard software configuration based on the requirements that you get out of the conversation with not only the Facilities Management Team but also the wider business. The role of Senior Systems Coordinator lies on the edge of both consultancy and software development. Salary: Circa £55,000 depending on experience Role: 2 year fixed term contract Dynamic (hybrid) working: 2-3 days per week on-site due to workload classification Security Clearance: British Citizen. Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by the MBDA Personnel Security Team.
        more
        FEATURED

        Data Engineer (Football Club)

        Singular Recruitment
        Central London (W1)
        From £50,000 to £70,000 per annum
        Data Engineer(one day a week in the central London office) Sports Analytics This role is a unique opportunity for aData Engineerto combine technical challenges with creativity in a collaborative, high-standard work environment. By joining this team, youll not only be part of a creative and open work culture focused on innovation and excellence but also have the chance to work with and collaborate with some of the most well-known footballers in the industry. This position offers significant opportunities for professional growth within sports analytics and the potential to impact sports performance through advanced technology, making it an ideal setting for those passionate about leveraging cutting-edge technology to make meaningful contributions in the world of sports analytics. * Design, construct, install, test, and maintain highly scalable data management systems.
        Data Engineer(one day a week in the central London office) Sports Analytics This role is a unique opportunity for aData Engineerto combine technical challenges with creativity in a collaborative, high-standard work environment. By joining this team, youll not only be part of a creative and open work culture focused on innovation and excellence but also have the chance to work with and collaborate with some of the most well-known footballers in the industry. This position offers significant opportunities for professional growth within sports analytics and the potential to impact sports performance through advanced technology, making it an ideal setting for those passionate about leveraging cutting-edge technology to make meaningful contributions in the world of sports analytics. * Design, construct, install, test, and maintain highly scalable data management systems.
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        FEATURED

        Data Scientist (Football Club)

        Singular Recruitment
        Central London (W1)
        From £50,000 to £70,000 per annum
        Data Scientist(one day a week in the central London office) Sports Analytics This role is a unique opportunity for aData Scientistto combine technical challenges with creativity in a collaborative, high-standard work environment. By joining this team, youll not only be part of a creative and open work culture focused on innovation and excellence but also have the chance to work with and collaborate with some of the most well-known footballers in the industry. This position offers significant opportunities for professional growth within sports analytics and the potential to impact sports performance through advanced technology, making it an ideal setting for those passionate about leveraging cutting-edge technology to make meaningful contributions in the world of sports analytics. * Collect, clean, and process football-related data from various sources.
        Data Scientist(one day a week in the central London office) Sports Analytics This role is a unique opportunity for aData Scientistto combine technical challenges with creativity in a collaborative, high-standard work environment. By joining this team, youll not only be part of a creative and open work culture focused on innovation and excellence but also have the chance to work with and collaborate with some of the most well-known footballers in the industry. This position offers significant opportunities for professional growth within sports analytics and the potential to impact sports performance through advanced technology, making it an ideal setting for those passionate about leveraging cutting-edge technology to make meaningful contributions in the world of sports analytics. * Collect, clean, and process football-related data from various sources.
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        FEATURED
        Date: 17 Nov 2025 Location: London, GB, EC2V 7AD Company: Paysafe About Paysafe Paysafe is a leading payments platform with an extensive track record of serving merchants and consumers in the global entertainment sectors. Its core purpose is to enable businesses and consumers to connect and transact seamlessly through industry-leading capabilities in payment processing, digital wallet, and online cash solutions. With 29 years of online payment experience, an annualized transactional volume of $152 billion in 2024, and approximately 3,000 employees located in 12+ countries, Paysafe connects businesses and consumers across 260 payment types in 48 currencies around the world. Delivered through an integrated platform, Paysafe solutions are geared toward mobile-initiated transactions, real-time analytics and the convergence between brick-and-mortar and online payments.
        Date: 17 Nov 2025 Location: London, GB, EC2V 7AD Company: Paysafe About Paysafe Paysafe is a leading payments platform with an extensive track record of serving merchants and consumers in the global entertainment sectors. Its core purpose is to enable businesses and consumers to connect and transact seamlessly through industry-leading capabilities in payment processing, digital wallet, and online cash solutions. With 29 years of online payment experience, an annualized transactional volume of $152 billion in 2024, and approximately 3,000 employees located in 12+ countries, Paysafe connects businesses and consumers across 260 payment types in 48 currencies around the world. Delivered through an integrated platform, Paysafe solutions are geared toward mobile-initiated transactions, real-time analytics and the convergence between brick-and-mortar and online payments.
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        What if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse perspectives. You can experience a world of opportunity and the chance to shape a career as unique as you. To find out more about our Property and Buildings business click on the following link and discover what awaits you at WSP: Property and Buildings | WSP Your Team Youll join a small, established team of developers focused on building-services workflows. Its a collaborative environment: close to the engineers, quick feedback loops, and a clear delivery backlog.
        What if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse perspectives. You can experience a world of opportunity and the chance to shape a career as unique as you. To find out more about our Property and Buildings business click on the following link and discover what awaits you at WSP: Property and Buildings | WSP Your Team Youll join a small, established team of developers focused on building-services workflows. Its a collaborative environment: close to the engineers, quick feedback loops, and a clear delivery backlog.
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        What is the average salary for API in Hertfordshire?

        Average salary per year
        £62,499

        The average salary for a API in Hertfordshire is £62,499. API in Hertfordshire salaries range from £47,499 to £67,499.

        Frequently Asked Questions

        How many part time API jobs are there in Hertfordshire?
        There are 78 part time API jobs within 20 miles of Hertfordshire available on Jobsite right now.

        What other similar jobs are there to part time API jobs in Hertfordshire?
        As well as part time API jobs in Hertfordshire, you can find part time IT, Software Development, Management, amongst many others.