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Locations
Salaries
Date posted
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4 Contract API jobs in Sunderland + 20 miles
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Full Stack Software Developer
Full Stack Software Developer
Damia Group Ltd
Newcastle Upon Tyne, Tyne and Wear, BBTE
£400 - £550 per day
Understanding of REST API design patterns and OpenAPI specifications.
Understanding of REST API design patterns and OpenAPI specifications.
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Lead Full Stack Software Developer
Lead Full Stack Software Developer
Brightbox GRP Ltd
Newcastle Upon Tyne, Tyne and Wear, newc
£550 - £600 per day
Hybrid Newcastle twice a month £550-£600pd (Outside IR35) Initially until end of March - Were looking for an experienced Lead Full Stack Developer who can work confidently across both front-end and back-end technologies. Youll be using React/TypeScript (Next.js), Java/Spring Boot, and Python to deliver high-quality services for a government client. The role requires travel to the Newcastle site twice a month, so please apply only if this is manageable. A strong track record of leading development teams and mentoring junior engineers is essential, as youll help foster good engineering practices and support the growth of colleagues across the team. Key Responsibilities * Lead and guide a team of developers, providing technical direction and supporting their professional growth. * Take an active role in the full development lifecycle, including stand-ups, estimations, sp
Hybrid Newcastle twice a month £550-£600pd (Outside IR35) Initially until end of March - Were looking for an experienced Lead Full Stack Developer who can work confidently across both front-end and back-end technologies. Youll be using React/TypeScript (Next.js), Java/Spring Boot, and Python to deliver high-quality services for a government client. The role requires travel to the Newcastle site twice a month, so please apply only if this is manageable. A strong track record of leading development teams and mentoring junior engineers is essential, as youll help foster good engineering practices and support the growth of colleagues across the team. Key Responsibilities * Lead and guide a team of developers, providing technical direction and supporting their professional growth. * Take an active role in the full development lifecycle, including stand-ups, estimations, sp
Senior Software Developer
Senior Software Developer
Brightbox GRP Ltd
Newcastle Upon Tyne, Tyne and Wear, newc
£500 - £560 per day
Strong knowledge of microservices architecture and RESTful API design. * Familiarity with API gateway platforms including WSO2, Kong, or Apigee.
Strong knowledge of microservices architecture and RESTful API design. * Familiarity with API gateway platforms including WSO2, Kong, or Apigee.
Join the Exciting Journey at tombola - Ready to step into a senior role that exists because of real growth and real success? This opportunity has opened up thanks to an internal promotion within the team. Someone has developed and progressed their career with us which means we are now looking for another established Senior Platform Developer to help us keep building momentum. It is a brilliant sign of the progression, maturity and investment happening across the wider Platform Team at tombola. We are looking for an experienced and confident Senior Developer who brings depth, strong opinions and proper senior level thinking. Someone who can help shape where we go next and keep raising the bar. You will not be coming in to maintain old code. You will be working on new and exciting projects that directly support how our games connect to the platform.
Join the Exciting Journey at tombola - Ready to step into a senior role that exists because of real growth and real success? This opportunity has opened up thanks to an internal promotion within the team. Someone has developed and progressed their career with us which means we are now looking for another established Senior Platform Developer to help us keep building momentum. It is a brilliant sign of the progression, maturity and investment happening across the wider Platform Team at tombola. We are looking for an experienced and confident Senior Developer who brings depth, strong opinions and proper senior level thinking. Someone who can help shape where we go next and keep raising the bar. You will not be coming in to maintain old code. You will be working on new and exciting projects that directly support how our games connect to the platform.
64 exact matches jobs are outside your preferred location
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We are seeking an AI Engineer with experience in Large Language API's (from 2021), Generative AI and Python, to play a pivotal role in shaping and enhancing AI products for Government. Helping to practically maintain and iterate a web API using FastAPI and hosted on Amazon Web Services (AWS).
We are seeking an AI Engineer with experience in Large Language API's (from 2021), Generative AI and Python, to play a pivotal role in shaping and enhancing AI products for Government. Helping to practically maintain and iterate a web API using FastAPI and hosted on Amazon Web Services (AWS).
Proof of Value Solutions (Implementation) Engineer
Proof of Value Solutions (Implementation) Engineer
Mimecast Services Limited
York, North Yorkshire
£44,000 - £66,000 a year
Proficiency in API integration and automation (REST, webhooks, etc.).
Proficiency in API integration and automation (REST, webhooks, etc.).
Salary: £42,000 to £50,000 per annum Are you a talented Full Stack Developer looking for a role where your work truly matters? STEM Learning is building a modern, in-house engineering team to shape the future of digital education. Join us and help deliver products that make a real difference - like Explorify ( our award-winning Primary Science activity hub. The Role - You'll be joining an ambitious IT team in a well-established business, working directly with the Technical Lead to drive our digital architecture forward. You'll take ownership of front and backend, improving performance and developing features that will drive real growth for STEM Learning. You will work closely with our internal Technical Delivery/Product Team, as well as our Data and Support teams. This is an exciting opportunity to work with a talented team to make real impact to the Education sector.
Salary: £42,000 to £50,000 per annum Are you a talented Full Stack Developer looking for a role where your work truly matters? STEM Learning is building a modern, in-house engineering team to shape the future of digital education. Join us and help deliver products that make a real difference - like Explorify ( our award-winning Primary Science activity hub. The Role - You'll be joining an ambitious IT team in a well-established business, working directly with the Technical Lead to drive our digital architecture forward. You'll take ownership of front and backend, improving performance and developing features that will drive real growth for STEM Learning. You will work closely with our internal Technical Delivery/Product Team, as well as our Data and Support teams. This is an exciting opportunity to work with a talented team to make real impact to the Education sector.
Strong commercial experience with Node.js (Back End services and API development). * Knowledge of RESTful API design and integration.
Strong commercial experience with Node.js (Back End services and API development). * Knowledge of RESTful API design and integration.
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Senior Front-End Developer - 1 Year Contract - Remote
Senior Front-End Developer - 1 Year Contract - Remote
Stealth IT Consulting Limited
UK
From £450 to £500 per day
Understanding of API integrations and cross-functional workflow
Understanding of API integrations and cross-functional workflow
Senior Full Stack Developer (SC Cleared) - 12 Month Contract - Remote
Senior Full Stack Developer (SC Cleared) - 12 Month Contract - Remote
Stealth IT Consulting Limited
UK
From £450 to £500 per day
Strong understanding of API development and microservices
Strong understanding of API development and microservices
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• Strong backend engineering background delivering high-scale systems with AI components (Python/Java, RAG frameworks, vector databases, API engineering).
• Strong backend engineering background delivering high-scale systems with AI components (Python/Java, RAG frameworks, vector databases, API engineering).
My client are seeking a JavaDeveloper with strong expertise in Apache Kafka, Node.js, and AWS cloud services. The role involves designing and implementing scalable, event-driven architectures, building microservices, and deploying solutions in a cloud-native environment. Essential Skills & Experience * Strong commercial experience with Java (core + modern frameworks) * Hands-on experience with Node.js * Proven background delivering solutions in AWS environments * Understanding of microservices, APIs and distributed systems * Experience working in Agile / DevOps environments * Familiarity with CI/CD pipelines and cloud-native tooling * Experience with Kafka Desirable * Previous experience working in public-sector or secure environments
My client are seeking a JavaDeveloper with strong expertise in Apache Kafka, Node.js, and AWS cloud services. The role involves designing and implementing scalable, event-driven architectures, building microservices, and deploying solutions in a cloud-native environment. Essential Skills & Experience * Strong commercial experience with Java (core + modern frameworks) * Hands-on experience with Node.js * Proven background delivering solutions in AWS environments * Understanding of microservices, APIs and distributed systems * Experience working in Agile / DevOps environments * Familiarity with CI/CD pipelines and cloud-native tooling * Experience with Kafka Desirable * Previous experience working in public-sector or secure environments
Java Developer 12 month Contract - 1 Stage Interview
Java Developer 12 month Contract - 1 Stage Interview
Stealth IT Consulting Limited
UK
Up to £400 per day £400 (Inside IR35) Per Day
Role Overview - We are seeking a skilled Java Developer with strong experience across Java, Node.js, and AWS to support large-scale digital transformation projects within a secure public-sector environment. You will join a collaborative engineering team focused on delivering secure, scalable and high-quality services. Key Responsibilities * Develop, maintain and optimise backend services using Java and Node.js * Build and deploy applications on AWS following best practices * Work within an Agile delivery team, contributing to sprints, ceremonies and code reviews * Collaborate with architects, product owners and other engineers to deliver high-impact features * Ensure code quality, security and performance are upheld * Support CI/CD processes, testing and automation - Essential Skills & Experience * Strong commercial experience with Java (core + modern frameworks)
Role Overview - We are seeking a skilled Java Developer with strong experience across Java, Node.js, and AWS to support large-scale digital transformation projects within a secure public-sector environment. You will join a collaborative engineering team focused on delivering secure, scalable and high-quality services. Key Responsibilities * Develop, maintain and optimise backend services using Java and Node.js * Build and deploy applications on AWS following best practices * Work within an Agile delivery team, contributing to sprints, ceremonies and code reviews * Collaborate with architects, product owners and other engineers to deliver high-impact features * Ensure code quality, security and performance are upheld * Support CI/CD processes, testing and automation - Essential Skills & Experience * Strong commercial experience with Java (core + modern frameworks)
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QA Tester - Python/Gherkin/BDD - SC Cleared
QA Tester - Python/Gherkin/BDD - SC Cleared
Hays
UK
£450.0 - £500.0 per annum + £450 - £500 inside IR35
Your new company - One of the largest Public Sector Organisations in the UK managing trade - Your new role - What you'll need to succeed - We are supporting a client in seeking an experienced Quality Assurance (QA) contractor to help design, build, and operationalise robust testing capabilities across our web application stack. You will play a key role in ensuring the reliability, performance, and security of our systems, which include a Django/Wagtail CMS backend, microservices architecture, and a modern JavaScript/CSS frontend. You will develop and execute comprehensive test strategies, covering both manual and automated testing. This is a strategic and technical role, with a strong emphasis on quality uplift, process definition, and knowledge transfer across the team. You will be instrumental in validating deployments across multiple environments, supporting Agile
Your new company - One of the largest Public Sector Organisations in the UK managing trade - Your new role - What you'll need to succeed - We are supporting a client in seeking an experienced Quality Assurance (QA) contractor to help design, build, and operationalise robust testing capabilities across our web application stack. You will play a key role in ensuring the reliability, performance, and security of our systems, which include a Django/Wagtail CMS backend, microservices architecture, and a modern JavaScript/CSS frontend. You will develop and execute comprehensive test strategies, covering both manual and automated testing. This is a strategic and technical role, with a strong emphasis on quality uplift, process definition, and knowledge transfer across the team. You will be instrumental in validating deployments across multiple environments, supporting Agile
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Job Title: Product Security Architect (Contract) Location: UK-based / Remote - Contract: 3 months initially, Outside IR35 - Why Apply? This is an opportunity to play a key role in shaping Product Security for an international technology organisation. The role offers exposure to a federated environment across multiple business units, providing strategic influence and hands on technical impact. * Define, lead, and evolve a group-wide Product Security and Secure SSDLC strategy across all business units. * Assess current AppSec capabilities, identify gaps, and implement practical, scalable improvements. * Collaborate with Product Architects, engineering, and security teams to integrate security into GitHub, CI/CD pipelines, and development workflows. * Provide architecture guidance and implement secure coding practices, threat modelling, and security tooling.
Job Title: Product Security Architect (Contract) Location: UK-based / Remote - Contract: 3 months initially, Outside IR35 - Why Apply? This is an opportunity to play a key role in shaping Product Security for an international technology organisation. The role offers exposure to a federated environment across multiple business units, providing strategic influence and hands on technical impact. * Define, lead, and evolve a group-wide Product Security and Secure SSDLC strategy across all business units. * Assess current AppSec capabilities, identify gaps, and implement practical, scalable improvements. * Collaborate with Product Architects, engineering, and security teams to integrate security into GitHub, CI/CD pipelines, and development workflows. * Provide architecture guidance and implement secure coding practices, threat modelling, and security tooling.
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Role: Developer - Tech Stack: .NET, C#, AWS, MongoDB - IR35 Status: Outside IR35 - Day Rate: £400.00 - Location: Remote - Contract Length: 3 Months (highly likely to extend to 6 Months+) Start Date: Immediate - We are seeking a Developer to join the agile delivery team supporting the development of a major government digital platform. You will be responsible for developing secure, performant, and maintainable features, working across both front-end and back-end elements of the system. This role is suitable for developers with a strong foundation in .NET and cloud-native engineering, and offers scope to grow technical ownership within a supportive, delivery-focused team. You'll be working in an environment that values collaboration, learning, and continuous improvement. Key Responsibilities * Design, build, test, and deploy robust software components using modern devel
Role: Developer - Tech Stack: .NET, C#, AWS, MongoDB - IR35 Status: Outside IR35 - Day Rate: £400.00 - Location: Remote - Contract Length: 3 Months (highly likely to extend to 6 Months+) Start Date: Immediate - We are seeking a Developer to join the agile delivery team supporting the development of a major government digital platform. You will be responsible for developing secure, performant, and maintainable features, working across both front-end and back-end elements of the system. This role is suitable for developers with a strong foundation in .NET and cloud-native engineering, and offers scope to grow technical ownership within a supportive, delivery-focused team. You'll be working in an environment that values collaboration, learning, and continuous improvement. Key Responsibilities * Design, build, test, and deploy robust software components using modern devel
Scala Developer - Remote Contract - Immediate Start
Scala Developer - Remote Contract - Immediate Start
Stealth IT Consulting Limited
UK
£380 per day £380 per day (Inside IR35)
Role Overview - We are seeking an experienced Scala Developer to join a dynamic team working on high-impact projects. The ideal candidate will have strong expertise in Scala and Play Framework, with a passion for building robust, scalable backend services and APIs. This is a fully remote contract role with an immediate start. Key Responsibilities * Design, develop, and maintain backend services and APIs using Scala and Play Framework. * Implement RESTful endpoints, manage request/response lifecycle, and handle authentication/authorization flows. * Write clean, idiomatic Scala code and apply functional programming principles where appropriate. * Develop and maintain automated tests (unit and integration) and support test automation initiatives. * Collaborate with product owners, UX designers, QA, and other engineers in an Agile environment (Scrum/Kanban).
Role Overview - We are seeking an experienced Scala Developer to join a dynamic team working on high-impact projects. The ideal candidate will have strong expertise in Scala and Play Framework, with a passion for building robust, scalable backend services and APIs. This is a fully remote contract role with an immediate start. Key Responsibilities * Design, develop, and maintain backend services and APIs using Scala and Play Framework. * Implement RESTful endpoints, manage request/response lifecycle, and handle authentication/authorization flows. * Write clean, idiomatic Scala code and apply functional programming principles where appropriate. * Develop and maintain automated tests (unit and integration) and support test automation initiatives. * Collaborate with product owners, UX designers, QA, and other engineers in an Agile environment (Scrum/Kanban).
Lead .NET/C# Developer - 12 Month Remote Contract (Inside IR35)
Lead .NET/C# Developer - 12 Month Remote Contract (Inside IR35)
Stealth IT Consulting Limited
UK
£475 per day £475 per day (Inside IR35)
Azure API Management
Azure API Management
Senior Software Developer (BPSS Cleared) – SFIA Level 5 (Remote UK)
Senior Software Developer (BPSS Cleared) – SFIA Level 5 (Remote UK)
Stealth IT Consulting Limited
UK
£450 per day £450 per day (Inside IR35)
Configure API gateways and reverse proxies with Kong (CE/EE) and Nginx.
Configure API gateways and reverse proxies with Kong (CE/EE) and Nginx.
Senior Software Developer (BPSS Cleared) - Contract (Remote UK)
Senior Software Developer (BPSS Cleared) - Contract (Remote UK)
Stealth IT Consulting Limited
UK
£380 per day £380 per day
Configure and manage API gateways and reverse proxies using Kong (CE/EE) and Nginx.
Configure and manage API gateways and reverse proxies using Kong (CE/EE) and Nginx.
The ideal candidate will have strong experience in API development, microservices architecture, CI/CD pipelines, and containerization. Additional Skills: API development, microservices, CI/CD pipelines, containerization (Docker/Kubernetes), Leadership, Greenfield development experience
The ideal candidate will have strong experience in API development, microservices architecture, CI/CD pipelines, and containerization. Additional Skills: API development, microservices, CI/CD pipelines, containerization (Docker/Kubernetes), Leadership, Greenfield development experience
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Familiarity with Kong EE for API management
Familiarity with Kong EE for API management
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Familiarity with API testing, SQL queries, and data migration testing.
Familiarity with API testing, SQL queries, and data migration testing.
Implement cloud-native applications leveraging AWS services including Lambda, API Gateway, and S3. * Hands-on experience with AWS serverless services (Lambda, API Gateway, SQS/SNS, Step Functions, S3). * Take ownership of key microservices or API features within your product area.
Implement cloud-native applications leveraging AWS services including Lambda, API Gateway, and S3. * Hands-on experience with AWS serverless services (Lambda, API Gateway, SQS/SNS, Step Functions, S3). * Take ownership of key microservices or API features within your product area.
Strong understanding of microservice architecture and API principles .
Strong understanding of microservice architecture and API principles .