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81 API jobs in West Yorkshire + 20 miles
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Strong experience with REST APIs, Streaming API, CDC, and Platform Events.
Strong experience with REST APIs, Streaming API, CDC, and Platform Events.
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oStrong knowledge and working experience with Retrofit for API integration.
oStrong knowledge and working experience with Retrofit for API integration.
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API design, documentation (OpenAPI/Swagger), and integration with external partners
API design, documentation (OpenAPI/Swagger), and integration with external partners
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Experience with DQL, Grail, and API integrations
Experience with DQL, Grail, and API integrations
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Strong background in API development, cloud adoption frameworks, and modern architectures.
Strong background in API development, cloud adoption frameworks, and modern architectures.
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Strong background in API development, cloud adoption frameworks, and modern architectures.
Strong background in API development, cloud adoption frameworks, and modern architectures.
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Experience with backend/API testing, microservices, or integration testing.
Experience with backend/API testing, microservices, or integration testing.
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Solid understanding of REST API design and development
Solid understanding of REST API design and development
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Senior Software Engineer .Net
Senior Software Engineer .Net
Coburg Banks Limited
Leeds, West Yorkshire
£65000 - £70000 per annum + Pension, Healthcare
Experience with API (RESTful/Socket/OpenQL), microservice architecture and development.
Experience with API (RESTful/Socket/OpenQL), microservice architecture and development.
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Solid experience with React, including Hooks, Context API, and both class/function-based components
Solid experience with React, including Hooks, Context API, and both class/function-based components
Technical Product Architect
Technical Product Architect
InterQuest Group (UK) Limited
Manchester, Greater Manchester
£100k - 150k per year
Are you a builder at heart who loves getting hands-on with prototypes, experimenting with new technologies, and solving real-world problems — while also having the vision to shape the bigger technical picture? We’re working with a specialist consulting team that designs, builds, and scales digital products for clients worldwide. They’re looking for a Technical Product Architect to join their team in Dubai — yes, this role requires relocation — to lead technical delivery and make a real impact from day one. Location: Dubai (relocation required) Salary: Up to £150K + benefits - Type: Full-time - What You’ll Be Doing * Designing the architecture for web and mobile apps that balances speed to market with long-term scalability. * Leading and mentoring external development teams, ensuring solutions meet the highest standards.
Are you a builder at heart who loves getting hands-on with prototypes, experimenting with new technologies, and solving real-world problems — while also having the vision to shape the bigger technical picture? We’re working with a specialist consulting team that designs, builds, and scales digital products for clients worldwide. They’re looking for a Technical Product Architect to join their team in Dubai — yes, this role requires relocation — to lead technical delivery and make a real impact from day one. Location: Dubai (relocation required) Salary: Up to £150K + benefits - Type: Full-time - What You’ll Be Doing * Designing the architecture for web and mobile apps that balances speed to market with long-term scalability. * Leading and mentoring external development teams, ensuring solutions meet the highest standards.
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Microservice and API-led architecture and integration design tools, techniques and best practice. * API Management: Experience in designing and implementing APIs (REST/JSON, SOAP/XML, GraphQL), including API lifecycle management, API gateways, HTTP transport and security such as mTLS, OIDC.
Microservice and API-led architecture and integration design tools, techniques and best practice. * API Management: Experience in designing and implementing APIs (REST/JSON, SOAP/XML, GraphQL), including API lifecycle management, API gateways, HTTP transport and security such as mTLS, OIDC.
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Experience in API and BDD testing
Experience in API and BDD testing
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Lead Python Software Developer - AI MarTech SaaS- c£90K 4 Day Week
Lead Python Software Developer - AI MarTech SaaS- c£90K 4 Day Week
Recruitment Revolution
LS1, Leeds
Up to £90,000 DOE + Benefits
Ready to build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? At Ask BOSCO®, we're on a mission to help brands spend smarter with our award-winning predictive analytics platform. As our Lead Software Developer, you won’t just write code - you’ll shape the future of a high-growth MarTech product, lead technical strategy, and work directly with founders, data scientists, and clients to deliver impactful, intelligent solutions. If you're excited by ownership, innovation, and the chance to make a real mark in a scaling business, this is your opportunity - If you’re looking for a role where your voice matters, your technical leadership is valued, and your work directly influences product growth and innovation, we’d love to hear from you. Lead Python Software Developer
Ready to build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? At Ask BOSCO®, we're on a mission to help brands spend smarter with our award-winning predictive analytics platform. As our Lead Software Developer, you won’t just write code - you’ll shape the future of a high-growth MarTech product, lead technical strategy, and work directly with founders, data scientists, and clients to deliver impactful, intelligent solutions. If you're excited by ownership, innovation, and the chance to make a real mark in a scaling business, this is your opportunity - If you’re looking for a role where your voice matters, your technical leadership is valued, and your work directly influences product growth and innovation, we’d love to hear from you. Lead Python Software Developer
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Senior / Lead Node.js Developer SaaS Company (Manchester)
Senior / Lead Node.js Developer SaaS Company (Manchester)
INFUSED SOLUTIONS LIMITED
M1, Manchester
£80000 - £90000 per annum
Location: Manchester (Hybrid - 2-3 days in the office) Type: Permanent - Salary: £80,000 - £90,000 + Benefits - Eligibility: Must be UK-based. Unfortunately, sponsorship is not available. Are you an experienced Node.js Developer with a passion for building scalable, cloud-based applications? Our client, a fast-growing SaaS company in Manchester, is seeking a Senior / Lead Node.js Developer to join their engineering team and play a key role in shaping their product roadmap. What You'll Do * Lead the design and development of high-quality, scalable backend solutions using Node.js and TypeScript * Mentor and support other developers, driving best practices and technical excellence * Work in a modern cloud environment with GCP / AWS / Azure services * Contribute to DevOps adoption, CI/CD pipelines, and containerisation with Docker
Location: Manchester (Hybrid - 2-3 days in the office) Type: Permanent - Salary: £80,000 - £90,000 + Benefits - Eligibility: Must be UK-based. Unfortunately, sponsorship is not available. Are you an experienced Node.js Developer with a passion for building scalable, cloud-based applications? Our client, a fast-growing SaaS company in Manchester, is seeking a Senior / Lead Node.js Developer to join their engineering team and play a key role in shaping their product roadmap. What You'll Do * Lead the design and development of high-quality, scalable backend solutions using Node.js and TypeScript * Mentor and support other developers, driving best practices and technical excellence * Work in a modern cloud environment with GCP / AWS / Azure services * Contribute to DevOps adoption, CI/CD pipelines, and containerisation with Docker
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Solution Architect (Contract) Outside IR35 West Yorkshire
Solution Architect (Contract) Outside IR35 West Yorkshire
Computer Futures
Bagby Fields, LS1
£525 - £600 per day
Solution Architect - Contract Opportunity - We're hiring a Solution Architect to support a major platform transformation programme focused on pension products. This role involves working closely with the IT teams and internal stakeholders to design and deliver an integrated administration platform. Key Details * Location: Hybrid - Leeds (2 days/week on-site) * Rate: £500-£600 per day (Outside IR35) * Contract Length: 6 months (likely extension) * Start Date: ASAP * Working Arrangements: Hybrid (2-3 days on site) Role Summary - You'll be responsible for defining solution architectures, guiding implementation, and ensuring alignment with business and technical goals. The role requires strong collaboration with internal teams and external vendors, with a focus on cloud-native design, integration, and enterprise governance. Skills & Experience Required
Solution Architect - Contract Opportunity - We're hiring a Solution Architect to support a major platform transformation programme focused on pension products. This role involves working closely with the IT teams and internal stakeholders to design and deliver an integrated administration platform. Key Details * Location: Hybrid - Leeds (2 days/week on-site) * Rate: £500-£600 per day (Outside IR35) * Contract Length: 6 months (likely extension) * Start Date: ASAP * Working Arrangements: Hybrid (2-3 days on site) Role Summary - You'll be responsible for defining solution architectures, guiding implementation, and ensuring alignment with business and technical goals. The role requires strong collaboration with internal teams and external vendors, with a focus on cloud-native design, integration, and enterprise governance. Skills & Experience Required
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Senior Software Engineer
Senior Software Engineer
AJ BELL BUSINESS SOLUTIONS LIMITED
Salford Quays, M5 3EE
From £70,000 to £80,000 per annum Competitive plus bonus and benefits
Experience/Familiarity with communications technologies (Web API, Google Protocol Buffers) and message queues (e.g. RabbitMQ, SQS)
Experience/Familiarity with communications technologies (Web API, Google Protocol Buffers) and message queues (e.g. RabbitMQ, SQS)
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Develop Python scripts, AWS Lambda, and REST API integrations
Develop Python scripts, AWS Lambda, and REST API integrations
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Senior Test Engineer
Senior Test Engineer
AJ BELL BUSINESS SOLUTIONS LIMITED
Salford Quays, M5 3EE
From £50,000 to £60,000 per annum Competitive plus bonus and benefits
You will carry out testing across a wide range of processes and systems - UI, API, back office (workflow) processes, 3rd party systems and integrations between all of these systems including end to end testing. * Carry out testing across a wide range of processes and systems - including UI, API, back office (workflow) processes, 3rd party systems and integrations between all of these systems including end to end testing
You will carry out testing across a wide range of processes and systems - UI, API, back office (workflow) processes, 3rd party systems and integrations between all of these systems including end to end testing. * Carry out testing across a wide range of processes and systems - including UI, API, back office (workflow) processes, 3rd party systems and integrations between all of these systems including end to end testing
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Senior .Net Developer
Senior .Net Developer
Invitise Ltd
M1, Manchester
From £50,000 to £60,000 per annum + Excellent Benefits
Were looking for a Senior .Net Developer for our professional services client based in Manchester on a permanent basis, paying between £50,000 to £60,000 per annum + great benefits. This role allows remote working with occasional site visits. Youll be working as part of a small, agile team, helping design and develop internal applications and new products using the latest .NET stack. This is a hands-on full-stack role, ideal for someone who enjoys solving business problems with clean, scalable code and mentoring junior team members. You will need to either hold a current UK Right to Work or have the ability to work without sponsorship. * C# and .NET (Core/Framework) * Angular (or modern JavaScript front-end frameworks) * SQL Server and Entity Framework * Docker & AWS ECS * Architecture & Design * Event-driven architecture (e.g. RabbitMQ) * RESTful APIs and microservic
Were looking for a Senior .Net Developer for our professional services client based in Manchester on a permanent basis, paying between £50,000 to £60,000 per annum + great benefits. This role allows remote working with occasional site visits. Youll be working as part of a small, agile team, helping design and develop internal applications and new products using the latest .NET stack. This is a hands-on full-stack role, ideal for someone who enjoys solving business problems with clean, scalable code and mentoring junior team members. You will need to either hold a current UK Right to Work or have the ability to work without sponsorship. * C# and .NET (Core/Framework) * Angular (or modern JavaScript front-end frameworks) * SQL Server and Entity Framework * Docker & AWS ECS * Architecture & Design * Event-driven architecture (e.g. RabbitMQ) * RESTful APIs and microservic
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Senior .NET Developer (£70k + benefits)
Senior .NET Developer (£70k + benefits)
InterQuest Group (UK) Limited
Manchester, Greater Manchester
£60k - 70k per year + benefits
Great opportunity for a Senior .NET Developer to join a SaaS scale-up in Manchester. Since their inception in 2015 this company has grown from start-up to scale-up, they now employ almost 200 people and have over 50,000 clients using their software across the globe. The technology department is made up of 5 product teams responsible for developing a suite of cloud based, web and mobile apps. Each team is cross-functional and works in a truly agile way, delivering small increments of value to their customers very frequently. This role sits within the team responsible for developing their flagship software platform and as a Senior .NET Developer you'll be given the opportunity to build, test and ship super-fast in a team that cares about engineering best practice, pairing and continuous improvement. * C#, .NET, REST APIs
Great opportunity for a Senior .NET Developer to join a SaaS scale-up in Manchester. Since their inception in 2015 this company has grown from start-up to scale-up, they now employ almost 200 people and have over 50,000 clients using their software across the globe. The technology department is made up of 5 product teams responsible for developing a suite of cloud based, web and mobile apps. Each team is cross-functional and works in a truly agile way, delivering small increments of value to their customers very frequently. This role sits within the team responsible for developing their flagship software platform and as a Senior .NET Developer you'll be given the opportunity to build, test and ship super-fast in a team that cares about engineering best practice, pairing and continuous improvement. * C#, .NET, REST APIs
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Senior Back-End Developer - C# / .NET / SQL Server * C#, .NET 6+, SQL Server, REST & GraphQL APIs, Azure, Git * Salary up to £65k * Onsite in Central Manchester * Excellent career progression - Who We Are - We're a collaborative tech team delivering robust, scalable SaaS products to a global customer base. Our developer-led culture values clean, maintainable code, innovation, and continuous learning. With an ambitious roadmap ahead, we're expanding our back-end capabilities and looking for a Senior Developer to help shape and deliver our next generation of features. Who We're Seeking - We're looking for a Senior Back-End Developer with deep expertise in C# (.NET 6+) and SQL Server, plus strong experience building and maintaining RESTful and GraphQL APIs. You'll work in a collaborative agile environment, contributing to the full development lifecycle from concept to de
Senior Back-End Developer - C# / .NET / SQL Server * C#, .NET 6+, SQL Server, REST & GraphQL APIs, Azure, Git * Salary up to £65k * Onsite in Central Manchester * Excellent career progression - Who We Are - We're a collaborative tech team delivering robust, scalable SaaS products to a global customer base. Our developer-led culture values clean, maintainable code, innovation, and continuous learning. With an ambitious roadmap ahead, we're expanding our back-end capabilities and looking for a Senior Developer to help shape and deliver our next generation of features. Who We're Seeking - We're looking for a Senior Back-End Developer with deep expertise in C# (.NET 6+) and SQL Server, plus strong experience building and maintaining RESTful and GraphQL APIs. You'll work in a collaborative agile environment, contributing to the full development lifecycle from concept to de
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Were looking for a Senior Java Developer for our public sector client based in Leeds on an initial 12-month contract paying up to £700 per day Inside IR35. This role allows hybrid working with an expectation to attend the office 3 days per week. You will need to either hold current BPSS clearance or have the ability to pass it, and be eligible for SC clearance. The successful Senior Java Developer will possess proven skills working with the following * Java 21 (or later) * Test Driven Development (TDD) and Behaviour Driven Development (BDD) * Large microservice architectures * Agile environments and pair programming * Implementing APIs for internal and external use * Building automated test suites in CI/CD environments * Unix/Linux operating systems * Communicating technical concepts to non-technical audiences * Jackson, JAX-RS, Mockito * ActiveMQ or Kafka
Were looking for a Senior Java Developer for our public sector client based in Leeds on an initial 12-month contract paying up to £700 per day Inside IR35. This role allows hybrid working with an expectation to attend the office 3 days per week. You will need to either hold current BPSS clearance or have the ability to pass it, and be eligible for SC clearance. The successful Senior Java Developer will possess proven skills working with the following * Java 21 (or later) * Test Driven Development (TDD) and Behaviour Driven Development (BDD) * Large microservice architectures * Agile environments and pair programming * Implementing APIs for internal and external use * Building automated test suites in CI/CD environments * Unix/Linux operating systems * Communicating technical concepts to non-technical audiences * Jackson, JAX-RS, Mockito * ActiveMQ or Kafka
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Location:UK remote - Type:Full-time - About us - We are on a mission to transform how deals get done. Already trusted by leading industry organisations and fuelled by a £1.7m pre-seed raise, were building the AI platform of choice for modern dealmakers. Were a fast-growing start-up where ideas move quickly from concept to product. Our technology spans backend, frontend, data, and AI, giving our team real scope to shape the future of the product and the company itself. If youre excited by solving complex problems end-to-end, working in a collaborative environment, and having a tangible impact, youll feel at home here. The role - As a Full Stack AI Engineer, you will work within the development team to help shape the technical vision. This is a hands-on role that requires deep technical expertise, entrepreneurial drive, and the ability to create a scalable solution, fro
Location:UK remote - Type:Full-time - About us - We are on a mission to transform how deals get done. Already trusted by leading industry organisations and fuelled by a £1.7m pre-seed raise, were building the AI platform of choice for modern dealmakers. Were a fast-growing start-up where ideas move quickly from concept to product. Our technology spans backend, frontend, data, and AI, giving our team real scope to shape the future of the product and the company itself. If youre excited by solving complex problems end-to-end, working in a collaborative environment, and having a tangible impact, youll feel at home here. The role - As a Full Stack AI Engineer, you will work within the development team to help shape the technical vision. This is a hands-on role that requires deep technical expertise, entrepreneurial drive, and the ability to create a scalable solution, fro
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Role: Contract Senior Backend Engineer - Rate: C.£525 Outside IR35 Per day - Location: Bradford - Hybrid (2x days on site) Length: 3-6 months - We are working with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions for our customers. As a Backend Software Engineer, you will be responsible for designing, developing, and maintaining server-side applications and services. You'll work closely with cross-functional teams to ensure our systems are performant, secure, and deliver a great user experience. * Design, implement, and maintain backend services, APIs, and databases. * Collaborate with product managers, frontend engineers, and other stakeholders to deliver features end-to-end. * Ensure systems are scalable, reliable, and maintainable. * Write clean, testable, and efficient code following best practi
Role: Contract Senior Backend Engineer - Rate: C.£525 Outside IR35 Per day - Location: Bradford - Hybrid (2x days on site) Length: 3-6 months - We are working with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions for our customers. As a Backend Software Engineer, you will be responsible for designing, developing, and maintaining server-side applications and services. You'll work closely with cross-functional teams to ensure our systems are performant, secure, and deliver a great user experience. * Design, implement, and maintain backend services, APIs, and databases. * Collaborate with product managers, frontend engineers, and other stakeholders to deliver features end-to-end. * Ensure systems are scalable, reliable, and maintainable. * Write clean, testable, and efficient code following best practi