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25 Contract API jobs in Hertfordshire + 20 miles
295 exact matches jobs are outside your preferred location
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Role/Job title Work Location London Role type - Permanent/Fixed Term/ Contracting Contracting Mode of working Hybrid /office based office based If Hybrid, how many days are required in office? Number of positions 2 Unit To be published on job boards from below onwards The Role The DB Admin and Developer will play a critical role in designing and developing scalable, secure, and high-performance applications tailored for banking and financial services. This role involves architecting cloud-native solutions using Azure Cosmos DB (SQL API and Mongo API), implementing effective partitioning strategies, indexing, and consistency models to support real-time financial data processing.
Role/Job title Work Location London Role type - Permanent/Fixed Term/ Contracting Contracting Mode of working Hybrid /office based office based If Hybrid, how many days are required in office? Number of positions 2 Unit To be published on job boards from below onwards The Role The DB Admin and Developer will play a critical role in designing and developing scalable, secure, and high-performance applications tailored for banking and financial services. This role involves architecting cloud-native solutions using Azure Cosmos DB (SQL API and Mongo API), implementing effective partitioning strategies, indexing, and consistency models to support real-time financial data processing.
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Up to £640 per day (Inside IR35) London / Remote 6 months My client is an instantly recognisable consultancy who urgently requires a Lead Full Stack Developer to join a business-critical programme. * Proven experience working as a Lead Java Developer within the public sector * Active Security Clearance (SC) * Java (8/11/17+): Expert-level programming and deep understanding of the language and its core libraries * Spring Boot: Expert in building RESTful APIs and microservices * AWS: Strong experience with core AWS services (EC2, S3, Lambda, IAM, etc.) * Kafka / Messaging Systems: Expertise in building event-driven architectures * SQL: Strong experience with relational databases and query optimization * REST / JSON APIs: Designing, developing, and consuming scalable APIs * Docker: Proficiency in containerizing applications for local and cloud environments
Up to £640 per day (Inside IR35) London / Remote 6 months My client is an instantly recognisable consultancy who urgently requires a Lead Full Stack Developer to join a business-critical programme. * Proven experience working as a Lead Java Developer within the public sector * Active Security Clearance (SC) * Java (8/11/17+): Expert-level programming and deep understanding of the language and its core libraries * Spring Boot: Expert in building RESTful APIs and microservices * AWS: Strong experience with core AWS services (EC2, S3, Lambda, IAM, etc.) * Kafka / Messaging Systems: Expertise in building event-driven architectures * SQL: Strong experience with relational databases and query optimization * REST / JSON APIs: Designing, developing, and consuming scalable APIs * Docker: Proficiency in containerizing applications for local and cloud environments
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Position: Backend Engineer Location: Remote (UK) Work Type: Contract Join our team to build the backbone of a global music streaming platform! We're looking for a JAVA Backend Engineer who loves coding, solving problems, and delivering features that reach millions of users. * Build scalable Java & SpringBoot microservices. * Develop APIs and backend tools for engineers across the company. * Use TDD, CI/CD, Docker, Kubernetes, Jenkins, and GCP services. * Work with alternate languages like Python, Scala, Golang, or Node.js for backend tasks. * Collaborate in an Agile environment with cross-functional teams. * Strong backend development skills (Java and microservices). * Experience with microservices, TDD, CI/CD, Docker & Kubernetes, and cloud platforms (GCP preferred). * Familiarity with and one of Python, Golang, Scala or Node.js is a plus.
Position: Backend Engineer Location: Remote (UK) Work Type: Contract Join our team to build the backbone of a global music streaming platform! We're looking for a JAVA Backend Engineer who loves coding, solving problems, and delivering features that reach millions of users. * Build scalable Java & SpringBoot microservices. * Develop APIs and backend tools for engineers across the company. * Use TDD, CI/CD, Docker, Kubernetes, Jenkins, and GCP services. * Work with alternate languages like Python, Scala, Golang, or Node.js for backend tasks. * Collaborate in an Agile environment with cross-functional teams. * Strong backend development skills (Java and microservices). * Experience with microservices, TDD, CI/CD, Docker & Kubernetes, and cloud platforms (GCP preferred). * Familiarity with and one of Python, Golang, Scala or Node.js is a plus.
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When registering to this job board you will be redirected to the online application form. Please ensure that this is completed in full in order that your application can be reviewed. Nescot is recognised as the Employer of the yearat the Surrey Business Awards 2024 and offers a wide range of benefits and wellbeing activities to staff. 2 hours per week, 36 weeks per year / Fixed term until 29/04/26 The Level 5 Diploma in Web Application Development is an industry-focused online qualification that equips learners with the practical skills and theoretical understanding necessary to design, build, test and deploy full web applications. Learners gain experience across front-end and back-end technologies, responsive design, frameworks like Django, data storage and databases, user authentication, APIs, automated testing, and more.
When registering to this job board you will be redirected to the online application form. Please ensure that this is completed in full in order that your application can be reviewed. Nescot is recognised as the Employer of the yearat the Surrey Business Awards 2024 and offers a wide range of benefits and wellbeing activities to staff. 2 hours per week, 36 weeks per year / Fixed term until 29/04/26 The Level 5 Diploma in Web Application Development is an industry-focused online qualification that equips learners with the practical skills and theoretical understanding necessary to design, build, test and deploy full web applications. Learners gain experience across front-end and back-end technologies, responsive design, frameworks like Django, data storage and databases, user authentication, APIs, automated testing, and more.
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We are seeking a Security Architect to bridge the gap between governance, engineering, and business strategy. This role will focus on embedding security as code into enterprise ways of working, ensuring frameworks are practical, scalable, and enable rather than block delivery. You will help shape security policies and standards, then implement them directly in code to support developer adoption. Engineering & Delivery * Convert technology and governance standards into policies as code. * Integrate policies and controls via APIs. * Design and build scalable automation using AWS, Python, Terraform, and CI/CD tooling. * Drive adoption of security and governance through practical, developer-friendly solutions. Business Strategy & Governance * Translate governance objectives into actionable outcomes. * Define frameworks that align with enterprise priorities.
We are seeking a Security Architect to bridge the gap between governance, engineering, and business strategy. This role will focus on embedding security as code into enterprise ways of working, ensuring frameworks are practical, scalable, and enable rather than block delivery. You will help shape security policies and standards, then implement them directly in code to support developer adoption. Engineering & Delivery * Convert technology and governance standards into policies as code. * Integrate policies and controls via APIs. * Design and build scalable automation using AWS, Python, Terraform, and CI/CD tooling. * Drive adoption of security and governance through practical, developer-friendly solutions. Business Strategy & Governance * Translate governance objectives into actionable outcomes. * Define frameworks that align with enterprise priorities.
About Dune Dune is on a mission to make crypto data accessible. Were a collaborative multi-chain analytics platform used by thousands of developers, analysts, & investors to understand the on-chain world and the frontiers of finance. Were a team of ~55 employees, working together across Europe and eastern US timezones ?. We believe in our mission, and in building a powerful, open product that allows individuals and communities to do deep research into important ecosystems like Bitcoin, Ethereum, Solana, and many more. Were backed by some of the world's best investors. In February 2022, we announced our Series B funding round led by Coatue and Union Square Ventures, an important milestone that allowed us to double down on our mission. Were using the funds to educate, reward and empower a new generation of onchain analysts aka Wizards
About Dune Dune is on a mission to make crypto data accessible. Were a collaborative multi-chain analytics platform used by thousands of developers, analysts, & investors to understand the on-chain world and the frontiers of finance. Were a team of ~55 employees, working together across Europe and eastern US timezones ?. We believe in our mission, and in building a powerful, open product that allows individuals and communities to do deep research into important ecosystems like Bitcoin, Ethereum, Solana, and many more. Were backed by some of the world's best investors. In February 2022, we announced our Series B funding round led by Coatue and Union Square Ventures, an important milestone that allowed us to double down on our mission. Were using the funds to educate, reward and empower a new generation of onchain analysts aka Wizards
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Job Title: Salesforce Architect Location: Northampton (Hybrid - 2-3 days on-site per week) Contract Duration: Until 31st December 2026 Day Rate: £382.50 (Inside IR35) About the Role We are looking for an experienced Salesforce Architect to lead the design and delivery of complex Salesforce solutions. In this pivotal role, you will shape the organisation's Salesforce platform strategy, ensuring alignment with business objectives while driving innovation and scalability. You will be responsible for creating robust, secure, and future-proof solutions across multiple Salesforce clouds, collaborating with business and technical teams, and providing leadership in governance, integration, and architectural best practices. Key Responsibilities Solution Architecture & Design
Job Title: Salesforce Architect Location: Northampton (Hybrid - 2-3 days on-site per week) Contract Duration: Until 31st December 2026 Day Rate: £382.50 (Inside IR35) About the Role We are looking for an experienced Salesforce Architect to lead the design and delivery of complex Salesforce solutions. In this pivotal role, you will shape the organisation's Salesforce platform strategy, ensuring alignment with business objectives while driving innovation and scalability. You will be responsible for creating robust, secure, and future-proof solutions across multiple Salesforce clouds, collaborating with business and technical teams, and providing leadership in governance, integration, and architectural best practices. Key Responsibilities Solution Architecture & Design
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Job Role: Software Engineer - Angular Job Type: Contract (part time) Location: Remote (UK only) Daily rate: £425 per day (Outside IR35) * Duration: 12 months * Commitment: 1-2 days per month (final week of each month) * Scope: Maintenance support, system health, troubleshooting, and minor enhancements We are hiring on behalf of our client, an established organisation with a large-scale digital presence. They are seeking reliable ongoing support to maintain and optimise their Contentful-based web platform. This role will initially focus on the current tech stack and then transition to their new website following its launch in late October. This is a 12-month contract requiring approximately three days of support each month. The work is primarily maintenance-focused, ensuring system stability, keeping packages up to date, and addressing issues as they arise.
Job Role: Software Engineer - Angular Job Type: Contract (part time) Location: Remote (UK only) Daily rate: £425 per day (Outside IR35) * Duration: 12 months * Commitment: 1-2 days per month (final week of each month) * Scope: Maintenance support, system health, troubleshooting, and minor enhancements We are hiring on behalf of our client, an established organisation with a large-scale digital presence. They are seeking reliable ongoing support to maintain and optimise their Contentful-based web platform. This role will initially focus on the current tech stack and then transition to their new website following its launch in late October. This is a 12-month contract requiring approximately three days of support each month. The work is primarily maintenance-focused, ensuring system stability, keeping packages up to date, and addressing issues as they arise.
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Integration Engineer Contact (Outside IR35) - Oxfordshire
Integration Engineer Contact (Outside IR35) - Oxfordshire
Halian Technology Limited
OX1, Oxford
From £400 to £550 per day
Halian Technology is looking for a seasoned contractor for a client that has a desire to integrate all of their APIs to move their business technology on to the next step. We are looking for an integration engineer who can help shape the future of the systems by working with providers and making sure APIs plug up to each other. This will be a 6 month contact and outside IR35. You will have experience in the following. -Strong documentation and communication - Ability to work with business stakeholders (e.g., Marketing, Ops) - Project management or agile familiarity - Problem-solving and debugging - Security awareness (especially around data flows and API access) - Testing and Quality Assurance Tech RESTful API design and integration Power Automate (workflow automation) Power Apps (low-code app development) SQL (data querying and transformation
Halian Technology is looking for a seasoned contractor for a client that has a desire to integrate all of their APIs to move their business technology on to the next step. We are looking for an integration engineer who can help shape the future of the systems by working with providers and making sure APIs plug up to each other. This will be a 6 month contact and outside IR35. You will have experience in the following. -Strong documentation and communication - Ability to work with business stakeholders (e.g., Marketing, Ops) - Project management or agile familiarity - Problem-solving and debugging - Security awareness (especially around data flows and API access) - Testing and Quality Assurance Tech RESTful API design and integration Power Automate (workflow automation) Power Apps (low-code app development) SQL (data querying and transformation
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Full Stack Developer - Hybrid (London & Bristol) - Circa £600 per day inside ir35 - 3 months All applicants must hold an active SC clearance. * Develop and maintain web applications: Design, code, test, and deploy scalable and efficient web applications using modern technologies. * Collaborate with cross-functional teams: Work closely with designers, product managers, and other developers to create seamless user experiences. * Implement front-end solutions: Create responsive and interactive user interfaces using HTML, CSS, JavaScript, and front-end frameworks such as React, Angular, or Vue.js and TypeScript Develop back-end services * Build and maintain server-side logic, databases, and APIs using Spring and Java * Experience of Cloud Native microservices architectures deployed on Kubernetes hosted on Red Hat OpenShift
Full Stack Developer - Hybrid (London & Bristol) - Circa £600 per day inside ir35 - 3 months All applicants must hold an active SC clearance. * Develop and maintain web applications: Design, code, test, and deploy scalable and efficient web applications using modern technologies. * Collaborate with cross-functional teams: Work closely with designers, product managers, and other developers to create seamless user experiences. * Implement front-end solutions: Create responsive and interactive user interfaces using HTML, CSS, JavaScript, and front-end frameworks such as React, Angular, or Vue.js and TypeScript Develop back-end services * Build and maintain server-side logic, databases, and APIs using Spring and Java * Experience of Cloud Native microservices architectures deployed on Kubernetes hosted on Red Hat OpenShift
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Contract Length: ~6 Months Location: Hybrid with an expectation to spend approximately one day per week on-site in Stratford, London Day Rate: Up to £500 Start Date: End of September Interview Process: Initial interview followed by one or two client interviews This role requires a highly skilled, hands-on Lead Integration Engineer with significant experience in AWS, Python, and integration platforms. The successful candidate will provide both technical and thought leadership, driving integration initiatives in a complex and evolving environment. Key Responsibilities * Scope, design, and build integrations across third-party platforms leveraging AWS infrastructure * Develop and maintain scalable data pipelines using Python, ensuring data quality, consistency, and reliability
Contract Length: ~6 Months Location: Hybrid with an expectation to spend approximately one day per week on-site in Stratford, London Day Rate: Up to £500 Start Date: End of September Interview Process: Initial interview followed by one or two client interviews This role requires a highly skilled, hands-on Lead Integration Engineer with significant experience in AWS, Python, and integration platforms. The successful candidate will provide both technical and thought leadership, driving integration initiatives in a complex and evolving environment. Key Responsibilities * Scope, design, and build integrations across third-party platforms leveraging AWS infrastructure * Develop and maintain scalable data pipelines using Python, ensuring data quality, consistency, and reliability
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Your new role You will be part of the team that will be responsible for developing and maintaining features for the iOS variant of the App. Working in a multi-disciplinary team of tech, design, business, product, infrastructure and test, you will help to design, develop, test and deliver new features while also maintaining existing features. You will be involved throughout the entire product lifecycle being chiefly responsible for producing high-quality, performant, well-documented and tested features that deliver a first-class experience to millions of users across England. Resonsibilities - Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the NHS App's iOS application using Swift and Swift UI. - Create appropriate unit and integration tests for your work.
Your new role You will be part of the team that will be responsible for developing and maintaining features for the iOS variant of the App. Working in a multi-disciplinary team of tech, design, business, product, infrastructure and test, you will help to design, develop, test and deliver new features while also maintaining existing features. You will be involved throughout the entire product lifecycle being chiefly responsible for producing high-quality, performant, well-documented and tested features that deliver a first-class experience to millions of users across England. Resonsibilities - Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the NHS App's iOS application using Swift and Swift UI. - Create appropriate unit and integration tests for your work.
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About the Team At OpenAI, our Trust, Safety & Risk Operations teams safeguard our products, users, and the company from abuse, fraud, scams, regulatory non-compliance, and other emerging risks. We operate at the intersection of operations, compliance, user trust, and safety working closely with Legal, Policy, Engineering, Product, Go-To-Market, and external partners to ensure our platforms are safe, compliant, and trusted by a diverse, global user base. We support users across ChatGPT, our API, enterprise offerings, and developer tools handling sensitive inbound cases, building detection and enforcement systems, and scaling operational processes to meet the demands of a fast-moving, high-stakes environment. About the Role Emerging Risk Operations
About the Team At OpenAI, our Trust, Safety & Risk Operations teams safeguard our products, users, and the company from abuse, fraud, scams, regulatory non-compliance, and other emerging risks. We operate at the intersection of operations, compliance, user trust, and safety working closely with Legal, Policy, Engineering, Product, Go-To-Market, and external partners to ensure our platforms are safe, compliant, and trusted by a diverse, global user base. We support users across ChatGPT, our API, enterprise offerings, and developer tools handling sensitive inbound cases, building detection and enforcement systems, and scaling operational processes to meet the demands of a fast-moving, high-stakes environment. About the Role Emerging Risk Operations
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The Role A leading global financial institution is seeking a Python Developer (Contract) to join its Commodities Technology team. This group supports a fast-growing Commodities Index business that spans Oil, Gas, Power, Agriculture, and Metals, providing advanced analytics and tools for structuring and trading. You will play a key role in designing and delivering a new index back-testing platform, working closely with structurers and front office stakeholders. The position offers direct business interaction, exposure to real-world trading problems, and the opportunity to build robust, high-performance solutions in a dynamic environment. Responsibilities o Historical index back-testing o Daily pricing and index level generation o Weighting and rebalancing logic o Basket decomposition and attribution analytics
The Role A leading global financial institution is seeking a Python Developer (Contract) to join its Commodities Technology team. This group supports a fast-growing Commodities Index business that spans Oil, Gas, Power, Agriculture, and Metals, providing advanced analytics and tools for structuring and trading. You will play a key role in designing and delivering a new index back-testing platform, working closely with structurers and front office stakeholders. The position offers direct business interaction, exposure to real-world trading problems, and the opportunity to build robust, high-performance solutions in a dynamic environment. Responsibilities o Historical index back-testing o Daily pricing and index level generation o Weighting and rebalancing logic o Basket decomposition and attribution analytics
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Contract QA Engineer London/Hybrid (2 days on site, 3 from home) Duration; 4 months (likely to extend) Day rate £450 - outside IR35 A leading UK digital consultancy is seeking a Quality Assurance Engineer to join a high-performing delivery team working on a major client in the property technology sector. The team develops products that make the experience of finding a home better, quicker, and more enjoyable for users. This role goes beyond testing - it is about championing quality at every stage of the software development lifecycle. The successful candidate will help prevent defects rather than just find them, embed quality throughout the process, and support the team in delivering robust, secure, accessible, and user-friendly systems.
Contract QA Engineer London/Hybrid (2 days on site, 3 from home) Duration; 4 months (likely to extend) Day rate £450 - outside IR35 A leading UK digital consultancy is seeking a Quality Assurance Engineer to join a high-performing delivery team working on a major client in the property technology sector. The team develops products that make the experience of finding a home better, quicker, and more enjoyable for users. This role goes beyond testing - it is about championing quality at every stage of the software development lifecycle. The successful candidate will help prevent defects rather than just find them, embed quality throughout the process, and support the team in delivering robust, secure, accessible, and user-friendly systems.
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I am currently working with a London-based Tier 1 investment bank who are actively seeking a Python Developer on a long-term contract basis. What you'll need to succeed * Strong Python programming experience within Financial Services - Mandatory * Good understanding of quantitative finance * Good experience developing and optimising Python-based calculators and models. * Strong experience developing high-performance APIs using Flask or FastAPI. * Expertise in Pandas, NumPy and other computing libraries. * Strong experience liaising with front-office stakeholders What you'll get in return * Initial 6-month contract with extensions * Up to £700pd umbrella * London-based hybrid working What you need to do nowIf you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
I am currently working with a London-based Tier 1 investment bank who are actively seeking a Python Developer on a long-term contract basis. What you'll need to succeed * Strong Python programming experience within Financial Services - Mandatory * Good understanding of quantitative finance * Good experience developing and optimising Python-based calculators and models. * Strong experience developing high-performance APIs using Flask or FastAPI. * Expertise in Pandas, NumPy and other computing libraries. * Strong experience liaising with front-office stakeholders What you'll get in return * Initial 6-month contract with extensions * Up to £700pd umbrella * London-based hybrid working What you need to do nowIf you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
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Bonus: Up to 10% of salary, depending on company performance Share Options: £10,000 Individual Contributor Level 3 as per our Career Development Framework. Number of vacancies: 1 We've calculated this compensation in line with our Benchmarking Philosophy. An exciting opportunity to join a technology scale-up focused on eliminating fuel poverty and improving living standards in Social Housing as a QA Engineer. Our mission At Switchee, we believe that everyone deserves to live in a decent home and that the environments we inhabit have a massive influence on our ability to enjoy life and prosper. One in five households in the UK live in social housing, a sector with the right values at its core but that has historically struggled to deploy innovations in the home.
Bonus: Up to 10% of salary, depending on company performance Share Options: £10,000 Individual Contributor Level 3 as per our Career Development Framework. Number of vacancies: 1 We've calculated this compensation in line with our Benchmarking Philosophy. An exciting opportunity to join a technology scale-up focused on eliminating fuel poverty and improving living standards in Social Housing as a QA Engineer. Our mission At Switchee, we believe that everyone deserves to live in a decent home and that the environments we inhabit have a massive influence on our ability to enjoy life and prosper. One in five households in the UK live in social housing, a sector with the right values at its core but that has historically struggled to deploy innovations in the home.
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Location: London, UK (Hybrid 23 days onsite) Type: Contract (6 months) | Rate: Market| Start Date: ASAP About the Role Our client, a leading global organization, is looking for an experienced DevSecOps Pentester to join a leading security team in London. Youll perform penetration tests and security assessments across CI/CD pipelines, cloud environments, and applications, integrating automated security tools and practices into DevOps workflows. This role is ideal for someone who can identify vulnerabilities in code, containers, APIs, and infrastructure-as-code before production, collaborate closely with DevOps and development teams, and help improve enterprise security posture. Key Responsibilities Integrate security tools and practices into CI/CD pipelines for continuous validation.
Location: London, UK (Hybrid 23 days onsite) Type: Contract (6 months) | Rate: Market| Start Date: ASAP About the Role Our client, a leading global organization, is looking for an experienced DevSecOps Pentester to join a leading security team in London. Youll perform penetration tests and security assessments across CI/CD pipelines, cloud environments, and applications, integrating automated security tools and practices into DevOps workflows. This role is ideal for someone who can identify vulnerabilities in code, containers, APIs, and infrastructure-as-code before production, collaborate closely with DevOps and development teams, and help improve enterprise security posture. Key Responsibilities Integrate security tools and practices into CI/CD pipelines for continuous validation.
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Internal Pentester Start: ASAP |Duration: 6 months |Location: London (Hybrid, 23 days in office) |Rate: Market About the Role Our client, a leading global organization, is looking for a skilledInternal Pentesterto join a leading security team in London. This contract role is perfect for someone experienced in penetration testing across networks, systems, web applications, APIs, and cloud environments, who can identify vulnerabilities, simulate attacks, and deliver actionable remediation advice. Youll work in a compliance-driven, high-security environment, collaborating with cross-functional teams to strengthen the organizations security posture. What Youll Do Conduct full-scope penetration tests on applications, APIs, internal infrastructure, networks, and cloud environments (AWS, Azure, GCP).
Internal Pentester Start: ASAP |Duration: 6 months |Location: London (Hybrid, 23 days in office) |Rate: Market About the Role Our client, a leading global organization, is looking for a skilledInternal Pentesterto join a leading security team in London. This contract role is perfect for someone experienced in penetration testing across networks, systems, web applications, APIs, and cloud environments, who can identify vulnerabilities, simulate attacks, and deliver actionable remediation advice. Youll work in a compliance-driven, high-security environment, collaborating with cross-functional teams to strengthen the organizations security posture. What Youll Do Conduct full-scope penetration tests on applications, APIs, internal infrastructure, networks, and cloud environments (AWS, Azure, GCP).
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Overview We are seeking an experienced PHP developer to join our development team. The role involves building and maintaining web applications that integrate with our core quote and sales engines. The successful candidate will have strong PHP and MySQL expertise, with the ability to write efficient, well-structured code without over-reliance on heavy frameworks. Key Responsibilities Develop and maintain PHP applications that integrate with our back-end systems. Design and optimise MySQL databases, including complex queries and schema design for performance and scalability. Implement APIs for third-party website integration. Work across both back-end and front-end as needed (HTML, CSS, JavaScript). Ensure code quality, efficiency, and security best practices. Collaborate with team members to deliver reliable and maintainable solutions. Essential Skills & Experience
Overview We are seeking an experienced PHP developer to join our development team. The role involves building and maintaining web applications that integrate with our core quote and sales engines. The successful candidate will have strong PHP and MySQL expertise, with the ability to write efficient, well-structured code without over-reliance on heavy frameworks. Key Responsibilities Develop and maintain PHP applications that integrate with our back-end systems. Design and optimise MySQL databases, including complex queries and schema design for performance and scalability. Implement APIs for third-party website integration. Work across both back-end and front-end as needed (HTML, CSS, JavaScript). Ensure code quality, efficiency, and security best practices. Collaborate with team members to deliver reliable and maintainable solutions. Essential Skills & Experience
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New Senior Data Engineer Contract Roles We have multiple new Senior Data Engineer Contract roles for a London based financial services client of ours. This would be working on a greenfield project in a new team building out a digital platform. This is outside IR35, 1-2 days per week onsite in London and initial 6 month contract and an immediate start. The ideal candidate will be a data engineer from a software engineering background with machine learning experience. The rate available for this position is: £550-575pd * ETL / Data Pipelines / Data Integration * Python & Java (for building data pipelines & APIs) * Snowflake * AWS * Machine Learning * React or Angular Please apply directly or email me your CV on
New Senior Data Engineer Contract Roles We have multiple new Senior Data Engineer Contract roles for a London based financial services client of ours. This would be working on a greenfield project in a new team building out a digital platform. This is outside IR35, 1-2 days per week onsite in London and initial 6 month contract and an immediate start. The ideal candidate will be a data engineer from a software engineering background with machine learning experience. The rate available for this position is: £550-575pd * ETL / Data Pipelines / Data Integration * Python & Java (for building data pipelines & APIs) * Snowflake * AWS * Machine Learning * React or Angular Please apply directly or email me your CV on
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Description Why LBR? An amazing market position, enviable growth, collaboration and wonderful people are just some of the reasons to further your career with Law Business Research. Our culture is shaped by our core values that promote equality, agility, and respect in everything we do. We are proud to be an equal opportunities employer and are committed to ensuring that all candidates are given the same opportunity to succeed regardless of their sex, gender identity/expression or reassignment, sexual orientation, marital status, race, colour, nationality, ethnic or national origin, religion, age or disability We also take our place in this world of ours very seriously and engage in a wide variety of charitable and community based initiatives.
Description Why LBR? An amazing market position, enviable growth, collaboration and wonderful people are just some of the reasons to further your career with Law Business Research. Our culture is shaped by our core values that promote equality, agility, and respect in everything we do. We are proud to be an equal opportunities employer and are committed to ensuring that all candidates are given the same opportunity to succeed regardless of their sex, gender identity/expression or reassignment, sexual orientation, marital status, race, colour, nationality, ethnic or national origin, religion, age or disability We also take our place in this world of ours very seriously and engage in a wide variety of charitable and community based initiatives.
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Job Title: Senior Python Contractor (Outside IR35) X 2 Location: Cambridge or London (1 day onsite per week) Rate: £350 £450 per day Contract Type: Outside IR35 Innovare AI Talent Partners is exclusively supporting a high-growth AI Start Up as they expand their engineering team. This organisation is at the forefront of developing advanced, scalable platforms, with a strong emphasis on performance, security, and innovation. They are seeking two Senior Python Contractors to join on an outside IR35 basis and play a key role in delivering critical AI projects. Youll be joining a fast-paced environment where collaboration and technical ownership are valued. The role will involve building, optimising, and scaling backend systems, APIs, and services, while contributing to an agile delivery team. * Strong Python development experience * FastAPI * MySQL * Azure
Job Title: Senior Python Contractor (Outside IR35) X 2 Location: Cambridge or London (1 day onsite per week) Rate: £350 £450 per day Contract Type: Outside IR35 Innovare AI Talent Partners is exclusively supporting a high-growth AI Start Up as they expand their engineering team. This organisation is at the forefront of developing advanced, scalable platforms, with a strong emphasis on performance, security, and innovation. They are seeking two Senior Python Contractors to join on an outside IR35 basis and play a key role in delivering critical AI projects. Youll be joining a fast-paced environment where collaboration and technical ownership are valued. The role will involve building, optimising, and scaling backend systems, APIs, and services, while contributing to an agile delivery team. * Strong Python development experience * FastAPI * MySQL * Azure
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Are you an experienced Senior Java Developer with a proven track record of delivering high-quality, scalable solutions? We invite you to join our dynamic team and contribute to impactful, large-scale projects in the financial markets. In this hybrid role, you will leverage your deep backend expertise to design and implement solutions that are resilient, scalable and maintainable. This is an excellent opportunity to work in an inclusive, innovative environment that fosters professional growth while delivering cutting-edge technology solutions. Responsibilities * Serve as a technical expert, advising on design, development and implementation of Java-based solutions and related technologies * Drive the delivery of critical projects, breaking down epics into actionable stories with product owners and other leads
Are you an experienced Senior Java Developer with a proven track record of delivering high-quality, scalable solutions? We invite you to join our dynamic team and contribute to impactful, large-scale projects in the financial markets. In this hybrid role, you will leverage your deep backend expertise to design and implement solutions that are resilient, scalable and maintainable. This is an excellent opportunity to work in an inclusive, innovative environment that fosters professional growth while delivering cutting-edge technology solutions. Responsibilities * Serve as a technical expert, advising on design, development and implementation of Java-based solutions and related technologies * Drive the delivery of critical projects, breaking down epics into actionable stories with product owners and other leads
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Description At Xe, we live currencies. We provide a comprehensive range of currency services and products, including our Currency Converter, Market Analysis, Currency Data API and quick, easy, secure Money Transfers for individuals and businesses. Last year, we helped over 300 million people access information about the currencies that matter to them and over 225,000 people used us to send money overseas. Were building a high-performance Customer Success team and were looking for a growth-minded, proactive Customer Success Specialist to join us on this mission. In this role, youll support shared ownership of the SME client book, using data, insight, and commercial acumen to reduce churn, drive engagement, and unlock revenue potential.
Description At Xe, we live currencies. We provide a comprehensive range of currency services and products, including our Currency Converter, Market Analysis, Currency Data API and quick, easy, secure Money Transfers for individuals and businesses. Last year, we helped over 300 million people access information about the currencies that matter to them and over 225,000 people used us to send money overseas. Were building a high-performance Customer Success team and were looking for a growth-minded, proactive Customer Success Specialist to join us on this mission. In this role, youll support shared ownership of the SME client book, using data, insight, and commercial acumen to reduce churn, drive engagement, and unlock revenue potential.
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