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8 Contract API jobs in Hemel Hempstead + 20 miles
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GraphQL Specialist – TypeScript | Cloud-Native | Contract (Outside)
GraphQL Specialist – TypeScript | Cloud-Native | Contract (Outside)
Staffworx Limited
Heathrow, TW5
market rates, outside IR35
Location:West London (Hybrid 2 days/week on site, hear Heathrow) Contract:6 months initial (extensions highly likely) Start:ASAP Eligibility:UK-based candidates only Rate:Market rates We re seeking aGraphQL-focused Software Engineerwho can design, implement and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript/Node.js services, and deploying to cloud-native environments is your idea of fun, this is your next project. What You ll Do * Design & developGraphQL APIs from schema design to production integration, ensuring performance, flexibility, and maintainability. * Buildscalable TypeScript/Node.js servicesthat integrate seamlessly with modern frontends and data sources. * ApplyDevOps best practicesto deliver through CI/CD pipelines (Jenkins, Concourse), Docker, Helm, and Kubernetes.
Location:West London (Hybrid 2 days/week on site, hear Heathrow) Contract:6 months initial (extensions highly likely) Start:ASAP Eligibility:UK-based candidates only Rate:Market rates We re seeking aGraphQL-focused Software Engineerwho can design, implement and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript/Node.js services, and deploying to cloud-native environments is your idea of fun, this is your next project. What You ll Do * Design & developGraphQL APIs from schema design to production integration, ensuring performance, flexibility, and maintainability. * Buildscalable TypeScript/Node.js servicesthat integrate seamlessly with modern frontends and data sources. * ApplyDevOps best practicesto deliver through CI/CD pipelines (Jenkins, Concourse), Docker, Helm, and Kubernetes.
Full Stack Engineer, GraphQL APIs, TypeScript, Node
Full Stack Engineer, GraphQL APIs, TypeScript, Node
Staffworx Limited
Brentford End, TW7
market rates, outside IR35, 6 months initial, 2 days week on site
Full Stack Software Engineer GraphQL | TypeScript | Cloud-Native Based West London, Hybrid working, 1-2 days week on site. Outside IR35. 6 months initial, likely extensions. Were looking for aFull Stack Software Engineerwho loves building high-quality, scalable systems and isn't afraid to get deep into both the code and the infrastructure. If GraphQL APIs, TypeScript/Node.js backends and cloud-native deployments make you feel right at home, this is your stage. What you ll be doing * Design & buildrobust, scalableTypeScript/Node.jsservices andGraphQL APIsthat power real-world applications. * Write code that lastsclean, maintainable, well-tested, and resilient. * Shape our infrastructurethrough modern DevOps practices: CI/CD pipelines (Jenkins, Concourse), containerisation, Helm, and Kubernetes deployments.
Full Stack Software Engineer GraphQL | TypeScript | Cloud-Native Based West London, Hybrid working, 1-2 days week on site. Outside IR35. 6 months initial, likely extensions. Were looking for aFull Stack Software Engineerwho loves building high-quality, scalable systems and isn't afraid to get deep into both the code and the infrastructure. If GraphQL APIs, TypeScript/Node.js backends and cloud-native deployments make you feel right at home, this is your stage. What you ll be doing * Design & buildrobust, scalableTypeScript/Node.jsservices andGraphQL APIsthat power real-world applications. * Write code that lastsclean, maintainable, well-tested, and resilient. * Shape our infrastructurethrough modern DevOps practices: CI/CD pipelines (Jenkins, Concourse), containerisation, Helm, and Kubernetes deployments.
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Principal Software Engineer (Cloud Applications)
Principal Software Engineer (Cloud Applications)
Eckoh PLC
HP1, Hemel Hempstead
Up to £100000 per annum
Job Title: Principal Software Engineer (Cloud Applications) Location: Hybrid / Remote (Hemel Hempstead) Salary: £100,000 per annum Job Type: Full Time, Permanent Eckoh is a market leader of Customer Engagement Security Solutions, supporting an international client base from our offices in the U.S. and the U.K. Eckoh is owned by Bridgepoint one of the world's leading private asset growth investors, with over $75 billion of assets under management. Our mission is to set the standard for secure interactions between consumers and the world's leading brands. Our innovative products build trust and deliver value through exceptional experiences. What do we do? Eckoh's Customer Engagement Security Solutions help our clients to take payments and transact securely with their customers through all engagement channels.
Job Title: Principal Software Engineer (Cloud Applications) Location: Hybrid / Remote (Hemel Hempstead) Salary: £100,000 per annum Job Type: Full Time, Permanent Eckoh is a market leader of Customer Engagement Security Solutions, supporting an international client base from our offices in the U.S. and the U.K. Eckoh is owned by Bridgepoint one of the world's leading private asset growth investors, with over $75 billion of assets under management. Our mission is to set the standard for secure interactions between consumers and the world's leading brands. Our innovative products build trust and deliver value through exceptional experiences. What do we do? Eckoh's Customer Engagement Security Solutions help our clients to take payments and transact securely with their customers through all engagement channels.
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We're on the lookout for a passionate Lead ServiceNow Developer to stimulate innovation, lead a hard-working team, and craft the future of digital transformation! Sopra Steria's Strategic Digital Services are once again growing their ServiceNow capability and are in the market for Lead ServiceNow Developers! We are seeking an experiencedLead ServiceNow Developerto drive the design, development, and implementation of ServiceNow solutions. In this role, you will direct a team of developers, collaborate with key stakeholders, and drive the successful delivery of scalable and efficient ServiceNow applications. You will be responsible for technical strategy, best practices, and innovative solutions to enhance business processes. We can offer great career progression opportunities, benefits which you can flex to meet your needs and training and development opportunities.
We're on the lookout for a passionate Lead ServiceNow Developer to stimulate innovation, lead a hard-working team, and craft the future of digital transformation! Sopra Steria's Strategic Digital Services are once again growing their ServiceNow capability and are in the market for Lead ServiceNow Developers! We are seeking an experiencedLead ServiceNow Developerto drive the design, development, and implementation of ServiceNow solutions. In this role, you will direct a team of developers, collaborate with key stakeholders, and drive the successful delivery of scalable and efficient ServiceNow applications. You will be responsible for technical strategy, best practices, and innovative solutions to enhance business processes. We can offer great career progression opportunities, benefits which you can flex to meet your needs and training and development opportunities.
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Office Location: Hemel Hempstead - Hybrid Working Salary: £75,000 Key Responsibilities Technical Delivery & Solution Design * Take a lead role in the development and support ofMicrosoft MVC and .NET web applications and C# Console and API solutions, ensuring best practices are followed throughout the software lifecycle. * Full working knowledge of SQL SERVER and Entity Framework. * Work closely with business and technical teams to analyse requirements, define architecture, and implement scalable, maintainable solutions. * Develop and support bothMVC and Console apps, leveraging SQL Server and integrating with external data sources and APIs. * Lead end-to-end implementations, including security, data migration, integration, and performance tuning. Team & Technical Leadership
Office Location: Hemel Hempstead - Hybrid Working Salary: £75,000 Key Responsibilities Technical Delivery & Solution Design * Take a lead role in the development and support ofMicrosoft MVC and .NET web applications and C# Console and API solutions, ensuring best practices are followed throughout the software lifecycle. * Full working knowledge of SQL SERVER and Entity Framework. * Work closely with business and technical teams to analyse requirements, define architecture, and implement scalable, maintainable solutions. * Develop and support bothMVC and Console apps, leveraging SQL Server and integrating with external data sources and APIs. * Lead end-to-end implementations, including security, data migration, integration, and performance tuning. Team & Technical Leadership
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Office Location: Hemel Hempstead - Hybrid Working Salary: £70,000 We are seeking a capable and business-savvyDynamics 365 CRM Product Managerto lead the strategy, design, and evolution of our CRM platform. This is a hybrid role that blends traditional product ownership responsibilities with deep platform expertiseincluding hands-on configuration, role management, plugin oversight, and solution optimisation across the Dynamics 365 environment. You will act as the central point of contact for CRM functionality, ensuring alignment with business processes and championing continuous improvement through well-informed design and feature decisions. Product Ownership * Serve as the primary owner of the Dynamics 365 CRM product roadmap, prioritising features and enhancements in line with business goals.
Office Location: Hemel Hempstead - Hybrid Working Salary: £70,000 We are seeking a capable and business-savvyDynamics 365 CRM Product Managerto lead the strategy, design, and evolution of our CRM platform. This is a hybrid role that blends traditional product ownership responsibilities with deep platform expertiseincluding hands-on configuration, role management, plugin oversight, and solution optimisation across the Dynamics 365 environment. You will act as the central point of contact for CRM functionality, ensuring alignment with business processes and championing continuous improvement through well-informed design and feature decisions. Product Ownership * Serve as the primary owner of the Dynamics 365 CRM product roadmap, prioritising features and enhancements in line with business goals.
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Job Role: Senior Full-Stack PHP Developer Working Hours: 5 days per week Job Type: Permanent Salary: £70,000 - £85,000 depending on experience Location: London Remote: 4 days remote - 1 day on-site in London office - Postcode NW6 About the Company Our client is a rapidly growing platform that connects individuals with industry professionals for special events. By offering unique opportunities, the platform allows professionals in the field to achieve higher earnings while enjoying enhanced flexibility and a better work-life balance. Role Overview This is an exciting opportunity to join a high-growth, early-stage startup. As a Full-Stack Developer, youll work closely with the founders and engineers in a tight-knit, London-based team. Youll have a direct impact on the companys expansion into new international markets, shaping the future of the business.
Job Role: Senior Full-Stack PHP Developer Working Hours: 5 days per week Job Type: Permanent Salary: £70,000 - £85,000 depending on experience Location: London Remote: 4 days remote - 1 day on-site in London office - Postcode NW6 About the Company Our client is a rapidly growing platform that connects individuals with industry professionals for special events. By offering unique opportunities, the platform allows professionals in the field to achieve higher earnings while enjoying enhanced flexibility and a better work-life balance. Role Overview This is an exciting opportunity to join a high-growth, early-stage startup. As a Full-Stack Developer, youll work closely with the founders and engineers in a tight-knit, London-based team. Youll have a direct impact on the companys expansion into new international markets, shaping the future of the business.
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Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But we're more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 14 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks , we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA , and we have an insatiable hunger to 'wow'! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
Any company can tell you about how they are a multi award winning, market leading business and yes, we are both of those things in the world of IoT connectivity! But we're more than that. Our mission? To make IoT management a breeze for any device, anywhere. With over 14 million IoT subscriptions active in 165 countries and direct partnerships with 50 mobile networks , we connect you to more than 750 networks worldwide, delivering unmatched value across the IoT connectivity chain. Innovation is in our DNA , and we have an insatiable hunger to 'wow'! While we may not always get it right, our drive to collaborate, innovate, and achieve top-notch customer satisfaction never wavers. We offer industry expertise, stellar service support, and the most flexible, resilient, and secure connectivity solutions on the market.
254 exact matches jobs are outside your preferred location
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6 months contract Inside IR35?? £500 to £650 a day?? Remote Working (UK based) *Active SC Clearance is needed* A top-tier defense organization is looking for an experienced Axway API Developer / Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and active SC clearance is required. The main focus of this role is to design and develop Axway policies while maintaining automated testing and code deployment. You will also be responsible for liaising with stakeholders to define requirements and design comprehensive solutions. * Axway's core products: Policy Studio, API Gateway, and API Manager. * Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. * Data and messaging formats: JSON, XML, SOAP, and REST. * Linux scripting and environments. * Using DevOps toolsets to automate testing and deployments.
6 months contract Inside IR35?? £500 to £650 a day?? Remote Working (UK based) *Active SC Clearance is needed* A top-tier defense organization is looking for an experienced Axway API Developer / Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and active SC clearance is required. The main focus of this role is to design and develop Axway policies while maintaining automated testing and code deployment. You will also be responsible for liaising with stakeholders to define requirements and design comprehensive solutions. * Axway's core products: Policy Studio, API Gateway, and API Manager. * Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. * Data and messaging formats: JSON, XML, SOAP, and REST. * Linux scripting and environments. * Using DevOps toolsets to automate testing and deployments.
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Senior Full Stack Developer JavaScript Python API
Senior Full Stack Developer JavaScript Python API
Client Server
W6, West London
£85000 - £100000 per annum
Senior Full Stack Developer / Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Full Stack Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business.
Senior Full Stack Developer / Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Full Stack Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business.
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Backend Software Engineer Golang Kafka - Start-up
Backend Software Engineer Golang Kafka - Start-up
Client Server
EC2A, City of London, EC2A 4EB
£90000 - £110000 per annum + benefits
Backend Software Engineer / Developer (Golang Kafka API) London / WFH to £110k Do you have a deep knowledge of Go / Golang combined with software architecture and design skills? You could be progressing your career as a Backend Software Engineer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving speed, cost and reliability. As a Backend Software Engineer you'll focus on backend system design, event driven architecture and APIs with a focus on scalability and reliability. You'll join a small, collaborative, Agile team working on 2 week sprints, you'll be a key part of tech discussions and decision making. You'll join colleagues in the London, Canary Wharf offices three days a week (also the possibility to be remote in the UK).
Backend Software Engineer / Developer (Golang Kafka API) London / WFH to £110k Do you have a deep knowledge of Go / Golang combined with software architecture and design skills? You could be progressing your career as a Backend Software Engineer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving speed, cost and reliability. As a Backend Software Engineer you'll focus on backend system design, event driven architecture and APIs with a focus on scalability and reliability. You'll join a small, collaborative, Agile team working on 2 week sprints, you'll be a key part of tech discussions and decision making. You'll join colleagues in the London, Canary Wharf offices three days a week (also the possibility to be remote in the UK).
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Backend Software Engineer Java Kotlin AWS
Backend Software Engineer Java Kotlin AWS
Client Server
Shoreditch, EC2A 2AP
£100000 - £120000 per annum
Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve patient and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Backend Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end.
Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve patient and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Backend Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end.
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Hybrid: Two days in our client's Duxford office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision.
Hybrid: Two days in our client's Duxford office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision.
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Hybrid: Two days in our client's London office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision.
Hybrid: Two days in our client's London office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision.
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Required: Mulesoft Technical Lead Location: Remote Duration: 12 month initial contract IR35 Status: Inside Working with the Project Manager, architects, clients & other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing & developing integration solutions using MuleSoft Anypoint Platform. Building & maintaining integration flows using MuleSoft's Anypoint Studio. Creating & implementing custom connectors and modules. Collaborating with other developers & stakeholders to understand business requirements & translate them into integration solutions.
Required: Mulesoft Technical Lead Location: Remote Duration: 12 month initial contract IR35 Status: Inside Working with the Project Manager, architects, clients & other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing & developing integration solutions using MuleSoft Anypoint Platform. Building & maintaining integration flows using MuleSoft's Anypoint Studio. Creating & implementing custom connectors and modules. Collaborating with other developers & stakeholders to understand business requirements & translate them into integration solutions.
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Robert Half Technology are assisting a global market leading AI powered tech company to recruit a Salesforce Developer on a contract basis - hybrid working - London based. Outside IR35 Join a growing Data & Revenue Operations (D&R) Team. This role is an opportunity to deliver high-impact improvements to our Salesforce platform while driving integrations with a modern GTM technology stack. You'll work closely with the Sales, Service, and Operations teams to deliver both quick wins and strategic improvements within Salesforce. This is a hands-on role for someone who can get up to speed quickly, spot opportunities for improvement, and deliver tangible impact over 3-6 months. Role 1. Salesforce Development & Enhancements * Design and build custom Apex code, Lightning components, and Flows to support evolving business needs.
Robert Half Technology are assisting a global market leading AI powered tech company to recruit a Salesforce Developer on a contract basis - hybrid working - London based. Outside IR35 Join a growing Data & Revenue Operations (D&R) Team. This role is an opportunity to deliver high-impact improvements to our Salesforce platform while driving integrations with a modern GTM technology stack. You'll work closely with the Sales, Service, and Operations teams to deliver both quick wins and strategic improvements within Salesforce. This is a hands-on role for someone who can get up to speed quickly, spot opportunities for improvement, and deliver tangible impact over 3-6 months. Role 1. Salesforce Development & Enhancements * Design and build custom Apex code, Lightning components, and Flows to support evolving business needs.
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An opportunity has arisen for an experienced Microsoft .Net Software Developer to join this organisation, and contribute to the development of its suite of systems, which are central to how they engage with their clients. Develop business applications for use within the business or by their clients. Provide technical enhancement for existing and new applications The successful candidate will have 3 or more years experience of application development. They will be well versed in structured programming, software testing and database optimisation. The candidate will have proven ability to understand a business requirement or process, and turn it into well written, well tested, documented and maintainable code.
An opportunity has arisen for an experienced Microsoft .Net Software Developer to join this organisation, and contribute to the development of its suite of systems, which are central to how they engage with their clients. Develop business applications for use within the business or by their clients. Provide technical enhancement for existing and new applications The successful candidate will have 3 or more years experience of application development. They will be well versed in structured programming, software testing and database optimisation. The candidate will have proven ability to understand a business requirement or process, and turn it into well written, well tested, documented and maintainable code.
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Lynx are looking for an Enterprise Platform Architect for a 6-month contract with a leading organisation in Stratford, East London (2 days/week on-site). * Lead the application and integration architecture strategy * Define enterprise roadmaps, patterns, and governance processes * Provide architectural leadership across business and technology teams * Work with cloud platforms (AWS, GCP, O365), API integration, containerisation, and microservices * Apply architectural frameworks (TOGAF/Zachman) to deliver strategic value Rate: £540/day Inside IR35 client runs payroll & covers employers NI Location: Stratford, East London (2 days/week on-site) If youre an experienced architect with a strategic mindset, please apply!
Lynx are looking for an Enterprise Platform Architect for a 6-month contract with a leading organisation in Stratford, East London (2 days/week on-site). * Lead the application and integration architecture strategy * Define enterprise roadmaps, patterns, and governance processes * Provide architectural leadership across business and technology teams * Work with cloud platforms (AWS, GCP, O365), API integration, containerisation, and microservices * Apply architectural frameworks (TOGAF/Zachman) to deliver strategic value Rate: £540/day Inside IR35 client runs payroll & covers employers NI Location: Stratford, East London (2 days/week on-site) If youre an experienced architect with a strategic mindset, please apply!
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Role: React Native Developer Location: London / Knutsford/ Glasgow / Northampton - Any location (Hybrid) Duration: 6 Months Day rate: £400 - £450 Umbrella Only As a Senior React Native Developer, you will play a key role in shaping the architecture, performance, and quality of our mobile applications. You'll lead development efforts, promote best practices, and work closely with product managers and designers to deliver user-centric solutions that scale. This role goes beyond coding-you'll be a technical steward, setting standards and fostering a culture of continuous improvement across the mobile development team. * Lead the development of mobile applications using React Native and modern JavaScript (ES6+). * Drive technical design and implementation of new features, ensuring code quality and maintainability.
Role: React Native Developer Location: London / Knutsford/ Glasgow / Northampton - Any location (Hybrid) Duration: 6 Months Day rate: £400 - £450 Umbrella Only As a Senior React Native Developer, you will play a key role in shaping the architecture, performance, and quality of our mobile applications. You'll lead development efforts, promote best practices, and work closely with product managers and designers to deliver user-centric solutions that scale. This role goes beyond coding-you'll be a technical steward, setting standards and fostering a culture of continuous improvement across the mobile development team. * Lead the development of mobile applications using React Native and modern JavaScript (ES6+). * Drive technical design and implementation of new features, ensuring code quality and maintainability.
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My client is a high-profile consultancy who require an Endur Solution Architect, with experience in Endur and in Energy Trading and Risk Management (ETRM) systems, to work closely with an end customer. * Proven expertise as a Subject Matter Expert (SME) in Energy Trading and Risk Management (ETRM) systems, with deep specialization in Endur. * Ability to deliver strategic guidance and solutions for complex trading and risk management scenarios. * Strong capability to optimize Endur functionalities across front-office, middle-office, and back-office operations. * Demonstrated technical leadership in Endur-related projects, ensuring alignment with business goals and industry standards. * Solid understanding of system integration principles, including APIs, middleware, and data interfaces for seamless enterprise connectivity.
My client is a high-profile consultancy who require an Endur Solution Architect, with experience in Endur and in Energy Trading and Risk Management (ETRM) systems, to work closely with an end customer. * Proven expertise as a Subject Matter Expert (SME) in Energy Trading and Risk Management (ETRM) systems, with deep specialization in Endur. * Ability to deliver strategic guidance and solutions for complex trading and risk management scenarios. * Strong capability to optimize Endur functionalities across front-office, middle-office, and back-office operations. * Demonstrated technical leadership in Endur-related projects, ensuring alignment with business goals and industry standards. * Solid understanding of system integration principles, including APIs, middleware, and data interfaces for seamless enterprise connectivity.
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Full Stack Developer - React / Python London | Hybrid (2 days office and 3 days from home) £60K-£70K + 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 Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions.
Full Stack Developer - React / Python London | Hybrid (2 days office and 3 days from home) £60K-£70K + 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 Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions.
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Software Developer - Active SC, Python, AWS
Software Developer - Active SC, Python, AWS
Hays
London
£400.0 - £425.0 per day + up to £425 per day (InsideIR35)
Up to £425 per day (Inside IR35) London / Primarily Remote 8 Months My client is an international consultancy, who require a Software Developer that holds active SC clearance, with Python, Terraform and AWS to work closely with a key end client. * Proven experience as a software developer with data integration experience (API) * Extensive experience programming in Python * Active Security Clearance (SC) * Expertise in AWS, Kubernetes and CI/CD (Continuous Integration / Continuous Deployment) * Strong working knowledge of Elastic, Kibana and React * Excellent communication skills * Working knowledge of Docker / Single Sign On * Familiarity with Agile practices If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
Up to £425 per day (Inside IR35) London / Primarily Remote 8 Months My client is an international consultancy, who require a Software Developer that holds active SC clearance, with Python, Terraform and AWS to work closely with a key end client. * Proven experience as a software developer with data integration experience (API) * Extensive experience programming in Python * Active Security Clearance (SC) * Expertise in AWS, Kubernetes and CI/CD (Continuous Integration / Continuous Deployment) * Strong working knowledge of Elastic, Kibana and React * Excellent communication skills * Working knowledge of Docker / Single Sign On * Familiarity with Agile practices If 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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Dataverse & Power Platform Developer - Outside IR35
Dataverse & Power Platform Developer - Outside IR35
Transparent Technology
London, EC1A 4RN
£450 - £500 per day
Senior Dataverse & Power Platform Integration Developer Outside IR35 | Circa £500 p/d | Hybrid (Near London) | Immediate Start We are seeking an experienced Senior Software Developer with strong Dataverse, Power Platform, and Azure integrations experience for a high-impact contract. You will be working on the delivery of a secure, fully orchestrated client lifecycle management system for a leading professional services organisation. This role involves end-to-end integration delivery - from configuring Microsoft Fabric & Dataverse environments, building ETL pipelines, and crafting API endpoints, to enabling workflow automation with Logic Apps and Power Platform. You will collaborate closely with technical and business teams to ensure secure, accurate, and reliable data movement across the ecosystem. Responsibilities * Configure Microsoft Fabric & Dataverse environments
Senior Dataverse & Power Platform Integration Developer Outside IR35 | Circa £500 p/d | Hybrid (Near London) | Immediate Start We are seeking an experienced Senior Software Developer with strong Dataverse, Power Platform, and Azure integrations experience for a high-impact contract. You will be working on the delivery of a secure, fully orchestrated client lifecycle management system for a leading professional services organisation. This role involves end-to-end integration delivery - from configuring Microsoft Fabric & Dataverse environments, building ETL pipelines, and crafting API endpoints, to enabling workflow automation with Logic Apps and Power Platform. You will collaborate closely with technical and business teams to ensure secure, accurate, and reliable data movement across the ecosystem. Responsibilities * Configure Microsoft Fabric & Dataverse environments
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Full Stack Engineer JavaScript TypeScript
Full Stack Engineer JavaScript TypeScript
Client Server
The City, EC4
£65000 - £75000 per annum + benefits
Full Stack Engineer / Developer (JavaScript TypeScript) WFH / London to £75k Opportunity to progress your career as a Full Stack Developer working on Tech for Good application for the healthcare sector that utilises AI and Machine Learning techniques to help prevent patients from experiencing health crisis. As a Full Stack Engineer you'll collaborate with a small team working on internal tools and data platforms, with a focus on implementing robust security practices and scalable architectures. You'll use a range of technology, primarily JavaScript on the backend and TypeScript on the frontend, you'll build secure, responsive user interfaces, implement RESTful APIs, optimise database queries for performance and ensure solutions are highly scalable and maintainable. This is a great opportunity to join a scaling start-up in a role that you can shape and influence.
Full Stack Engineer / Developer (JavaScript TypeScript) WFH / London to £75k Opportunity to progress your career as a Full Stack Developer working on Tech for Good application for the healthcare sector that utilises AI and Machine Learning techniques to help prevent patients from experiencing health crisis. As a Full Stack Engineer you'll collaborate with a small team working on internal tools and data platforms, with a focus on implementing robust security practices and scalable architectures. You'll use a range of technology, primarily JavaScript on the backend and TypeScript on the frontend, you'll build secure, responsive user interfaces, implement RESTful APIs, optimise database queries for performance and ensure solutions are highly scalable and maintainable. This is a great opportunity to join a scaling start-up in a role that you can shape and influence.
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Job Role: Full-Stack JavaScript Developer Contract Duration: 3 month contract Location: Remote (UK only) Daily rate: £350 per day (Outside IR35) We are seeking a highly skilled Full-Stack JavaScript Developer to lead the build of a new client website using Next.js, Tailwind CSS, and Contentful CMS. You will be responsible for front-end development, CMS integration, and deployment, working closely with designers, QA, and project managers to deliver a fast, modern, and reliable site on time. * Build a responsive, accessible, and high-performance front-end using Next.js and Tailwind CSS. * Build performance backend API services using Next.js * Set up new Contentful environments and keep the backend synchronised with the external Contentful CMS using Contentfuls API * Collaborate with QA and UAT teams to resolve issues quickly.
Job Role: Full-Stack JavaScript Developer Contract Duration: 3 month contract Location: Remote (UK only) Daily rate: £350 per day (Outside IR35) We are seeking a highly skilled Full-Stack JavaScript Developer to lead the build of a new client website using Next.js, Tailwind CSS, and Contentful CMS. You will be responsible for front-end development, CMS integration, and deployment, working closely with designers, QA, and project managers to deliver a fast, modern, and reliable site on time. * Build a responsive, accessible, and high-performance front-end using Next.js and Tailwind CSS. * Build performance backend API services using Next.js * Set up new Contentful environments and keep the backend synchronised with the external Contentful CMS using Contentfuls API * Collaborate with QA and UAT teams to resolve issues quickly.
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