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6 API jobs in Northampton + 10 miles
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Lead Software Developer
Lead Software Developer
S-SA Digital Recruitment Ltd
Baulmsholme, NN1
From £55,000 to £65,000 per annum 25 days Holiday + Private Health Car
Integration and API Knowledge: Handling API requests/responses, authentication, and secure data handling.
Integration and API Knowledge: Handling API requests/responses, authentication, and secure data handling.
)
MuleSoft Developer
MuleSoft Developer
Erin Associates
Northampton, Northamptonshire
£70000 - £80000 per annum, Benefits excellent benefits
Experience with API testing tools (e.g., Postman) and CI/CD tools (Maven, Jenkins) Keywords; Mulesoft,Mulesoft Developer, MuleSoft Anypoint Platform, Mule 4.x, Anypoint Studio, INtegration Developer, Java, Rest, API Testing, Northampton, Northamptonshire, Wellingborough, Bedford, Kettering
Experience with API testing tools (e.g., Postman) and CI/CD tools (Maven, Jenkins) Keywords; Mulesoft,Mulesoft Developer, MuleSoft Anypoint Platform, Mule 4.x, Anypoint Studio, INtegration Developer, Java, Rest, API Testing, Northampton, Northamptonshire, Wellingborough, Bedford, Kettering
FEATURED
Integration Developer
Integration Developer
Erin Associates
Northampton, Northamptonshire
£70000 - £80000 per annum, Benefits excellent benefits
Experience with API testing tools (e.g., Postman) and CI/CD tools (Maven, Jenkins) Keywords; Mulesoft,Mulesoft Developer, MuleSoft Anypoint Platform, Mule 4.x, Anypoint Studio, INtegration Developer, Java, Rest, API Testing, Northampton, Northamptonshire, Wellingborough, Bedford, Kettering
Experience with API testing tools (e.g., Postman) and CI/CD tools (Maven, Jenkins) Keywords; Mulesoft,Mulesoft Developer, MuleSoft Anypoint Platform, Mule 4.x, Anypoint Studio, INtegration Developer, Java, Rest, API Testing, Northampton, Northamptonshire, Wellingborough, Bedford, Kettering
FEATURED
Have deep knowledge on AWS technical stack- Lambda, DynamoDB, Kinesis, API gateway ,monitoring solutions like Cloud Watch and Xray
Have deep knowledge on AWS technical stack- Lambda, DynamoDB, Kinesis, API gateway ,monitoring solutions like Cloud Watch and Xray
MuleSoft Developer
MuleSoft Developer
Erin Associates
Northampton, Northamptonshire
£60000 - £68000 per annum, Benefits excellent benefits
Experience with API testing tools (e.g., Postman) and CI/CD tools (Maven, Jenkins) Keywords; Mulesoft,Mulesoft Developer, MuleSoft Anypoint Platform, Mule 4.x, Anypoint Studio, INtegration Developer, Java, Rest, API Testing, Northampton, Northamptonshire, Wellingborough, Bedford, Kettering
Experience with API testing tools (e.g., Postman) and CI/CD tools (Maven, Jenkins) Keywords; Mulesoft,Mulesoft Developer, MuleSoft Anypoint Platform, Mule 4.x, Anypoint Studio, INtegration Developer, Java, Rest, API Testing, Northampton, Northamptonshire, Wellingborough, Bedford, Kettering
FEATURED
Accountable for delivering effective solution designs within the Open Banking COE, taking the lead on the solution design from an API design and API Security perspective * Design end-to-end API solutions to meet business needs within the context of a broader solution implementation * Define and derive best practices in the API space, adopting industry best practices and highlighting areas of improvements * Highly experienced solution architect in designing solutions for large-scale API integration projects and programmes within Banking/Payments domain. * Deep knowledge and experience in REST API design principles with experience in creation of Swagger/RAML definitions * Experience of API security profile standards - OAuth, OIDC and FAPI would be manda
Accountable for delivering effective solution designs within the Open Banking COE, taking the lead on the solution design from an API design and API Security perspective * Design end-to-end API solutions to meet business needs within the context of a broader solution implementation * Define and derive best practices in the API space, adopting industry best practices and highlighting areas of improvements * Highly experienced solution architect in designing solutions for large-scale API integration projects and programmes within Banking/Payments domain. * Deep knowledge and experience in REST API design principles with experience in creation of Swagger/RAML definitions * Experience of API security profile standards - OAuth, OIDC and FAPI would be manda
471 exact matches jobs are outside your preferred location
You'll design and develop scalable, secure applications, contribute to API integration, and help shape the platform from day one. Java, Spring Boot, SQL, REST API's, React Native, Mobile, Cross-platform, AWS, Docker, Fintech, Trading, Finance, Financial Services, London
You'll design and develop scalable, secure applications, contribute to API integration, and help shape the platform from day one. Java, Spring Boot, SQL, REST API's, React Native, Mobile, Cross-platform, AWS, Docker, Fintech, Trading, Finance, Financial Services, London
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Backend Java Developer - London
Backend Java Developer - London
Transparent Technologies
London
£60000 - £80000 per annum + bonus, bens
REST API design and development - Java, Spring Boot, SQL, REST API, AWS, Docker, Microservices, Backend Developer, Fintech, Trading, Finance, Financial Services, London
REST API design and development - Java, Spring Boot, SQL, REST API, AWS, Docker, Microservices, Backend Developer, Fintech, Trading, Finance, Financial Services, London
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Software Engineer | Hybrid | £90,000 | React.js | Python | TypeScript | AWS - Are you passionate about renewable energy and seeking an opportunity to make a positive impact on the environment? La Fosse has partnered with a rapidly growing renewable energy company, seeking highly motivated Senior Full Stack Engineers to join their close-knit product team and drive innovation in sustainable technology. Core Tech Stack: React.js, Python, TypeScript, FAST APIs, SQL Alchemy, Docker, AWS * Lead the development and enhancement of their in-house product management and customer-facing platforms, achieving feature parity with an existing SaaS solution and driving innovation post-migration to build a scalable, secure, market-leading system. * Build scalable, secure full-stack applications using React.js, TypeScript, Python, and FastAPI, following modern development best practise
Software Engineer | Hybrid | £90,000 | React.js | Python | TypeScript | AWS - Are you passionate about renewable energy and seeking an opportunity to make a positive impact on the environment? La Fosse has partnered with a rapidly growing renewable energy company, seeking highly motivated Senior Full Stack Engineers to join their close-knit product team and drive innovation in sustainable technology. Core Tech Stack: React.js, Python, TypeScript, FAST APIs, SQL Alchemy, Docker, AWS * Lead the development and enhancement of their in-house product management and customer-facing platforms, achieving feature parity with an existing SaaS solution and driving innovation post-migration to build a scalable, secure, market-leading system. * Build scalable, secure full-stack applications using React.js, TypeScript, Python, and FastAPI, following modern development best practise
FEATUREDNEW
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Experience of GMP raw material testing for API, excipients and packaging components
Experience of GMP raw material testing for API, excipients and packaging components
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Hands-on experience with Lambda, DynamoDB, S3, API Gateway, CloudWatch
Hands-on experience with Lambda, DynamoDB, S3, API Gateway, CloudWatch
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Senior Test Engineer – AWS Node Testing – Accounts
Senior Test Engineer – AWS Node Testing – Accounts
Spyrosoft Ltd
London
FTC (full-time) + benefits + pension
API testing (RestAssured or similar) The successful applicant will have strong Playwright/JavaScript knowledge, strong experience of API testing, have written automated performance tests, be comfortable working with AWS services and experience using monitoring tools * be experienced with API testing (RestAssured and Java knowledge would be beneficial)
API testing (RestAssured or similar) The successful applicant will have strong Playwright/JavaScript knowledge, strong experience of API testing, have written automated performance tests, be comfortable working with AWS services and experience using monitoring tools * be experienced with API testing (RestAssured and Java knowledge would be beneficial)
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You will be working on a standard API layer wrapping 3rd party services (i.e Intercom and Gong) specifically to standardise the interface for cadencing/marketing/enrolment/email sequencing.
You will be working on a standard API layer wrapping 3rd party services (i.e Intercom and Gong) specifically to standardise the interface for cadencing/marketing/enrolment/email sequencing.
FEATUREDNEW
Experience of API definition
Experience of API definition
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Experience of API definition
Experience of API definition
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3rd party API integrations?
3rd party API integrations?
FEATURED
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Build light integrations with APIs or internal systems (e.g. REST API connectors or dataflows).
Build light integrations with APIs or internal systems (e.g. REST API connectors or dataflows).
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Head of Data Science - London - Fintech
Head of Data Science - London - Fintech
Transparent Technologies
London
£100000 - £130000 per annum + 20% bonus, pension, healthcare
Head of Data Science, Python, SQL, Modelling, ML, Fintech, AI, LLMs, RAG, Open AI API, Loans, Lending, London
Head of Data Science, Python, SQL, Modelling, ML, Fintech, AI, LLMs, RAG, Open AI API, Loans, Lending, London
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Description - The Identity & Access Management (IAM) team, sitting within the Cyber Security function, ensures that access for all Motability Operations (MO) employees and customers is correct, appropriate, and secure. The IAM Technical Lead is responsible for the technical direction, engineering assurance, and operational stability of our IAM services across both internal and external domains. This includes identity federation, authentication, access governance, lifecycle automation, and privileged access planning. This is a hands-on technical leadership role, accountable for guiding a multidisciplinary team of engineers and contractors, ensuring consistent delivery, high service availability, and secure integration of identity services into core business platforms. The role also plays a key part in the transition from externally delivered IAM solutions to sustainabl
Description - The Identity & Access Management (IAM) team, sitting within the Cyber Security function, ensures that access for all Motability Operations (MO) employees and customers is correct, appropriate, and secure. The IAM Technical Lead is responsible for the technical direction, engineering assurance, and operational stability of our IAM services across both internal and external domains. This includes identity federation, authentication, access governance, lifecycle automation, and privileged access planning. This is a hands-on technical leadership role, accountable for guiding a multidisciplinary team of engineers and contractors, ensuring consistent delivery, high service availability, and secure integration of identity services into core business platforms. The role also plays a key part in the transition from externally delivered IAM solutions to sustainabl
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As part of the global API Group, we join a family of organisations , where leadership, and leadership development is our most powerful strategic advantage and the best way to invest in our people.
As part of the global API Group, we join a family of organisations , where leadership, and leadership development is our most powerful strategic advantage and the best way to invest in our people.
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Hybrid - 2 Days a Week London We're looking for a Software Engineer with strong skills in Node.js, React, and TypeScript to build scalable web applications. You'll work across the stack, using Docker, Azure Web Apps, and ElasticSearch. Develop full-stack applications with Node.js, React, and TypeScript Build and maintain RESTful APIs and responsive UIs Containerize and deploy apps using Docker and Azure Web Apps Implement and optimize search with ElasticSearch Collaborate with product and DevOps teams Write clean, testable code and participate in code reviews Solid experience with Node.js, React, and TypeScript Familiarity with Docker, Azure Web Apps, and ElasticSearch Good understanding of REST APIs and modern frontend tools Comfortable with Git workflows and agile development Strong communication and problem-solving skills
Hybrid - 2 Days a Week London We're looking for a Software Engineer with strong skills in Node.js, React, and TypeScript to build scalable web applications. You'll work across the stack, using Docker, Azure Web Apps, and ElasticSearch. Develop full-stack applications with Node.js, React, and TypeScript Build and maintain RESTful APIs and responsive UIs Containerize and deploy apps using Docker and Azure Web Apps Implement and optimize search with ElasticSearch Collaborate with product and DevOps teams Write clean, testable code and participate in code reviews Solid experience with Node.js, React, and TypeScript Familiarity with Docker, Azure Web Apps, and ElasticSearch Good understanding of REST APIs and modern frontend tools Comfortable with Git workflows and agile development Strong communication and problem-solving skills
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Role Title: Appian Developer - Location: London - Duration: 30/11/2025 - Via Umbrella Company - We are seeking a skilled and motivated Appian Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing, and implementing business process management (BPM) solutions using the Appian platform. You will work closely with business analysts, stakeholders, and other developers to deliver scalable and efficient applications that meet business requirements. Design and develop BPM applications using Appian. Collaborate with cross-functional teams to gather and analyse requirements. Build and maintain Appian objects such as records, reports, interfaces, and process models. Integrate Appian applications with external systems using APIs and web services. Participate in code reviews, testing, and deployment activities.
Role Title: Appian Developer - Location: London - Duration: 30/11/2025 - Via Umbrella Company - We are seeking a skilled and motivated Appian Developer to join our dynamic team. The ideal candidate will be responsible for designing, developing, and implementing business process management (BPM) solutions using the Appian platform. You will work closely with business analysts, stakeholders, and other developers to deliver scalable and efficient applications that meet business requirements. Design and develop BPM applications using Appian. Collaborate with cross-functional teams to gather and analyse requirements. Build and maintain Appian objects such as records, reports, interfaces, and process models. Integrate Appian applications with external systems using APIs and web services. Participate in code reviews, testing, and deployment activities.
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Role: Cyber Security Engineer - Salary/Rate: up to £700 per day (inside IR35) Location: Hybrid London - Contract Duration: until October 2025 - We are currently looking for a Cyber Security Engineer for our government client. This Cyber Security Engineer role is hybrid, based between 2-3 days per week on site in central London and the remainder of the week working remotely. The contract for the Cyber Security Engineer position is until October 2025 with potential to extend, operating inside IR35. Security Clearance: Security Check ('SC Clearance') This role is inside IR35 - Due to the service of the role, it will now be based on an Umbrella solution. * Experience penetration testing, ethical hacking, or completing vulnerability assessments. * Security testing tools (e.g., Burp Suite, OWASP ZAP, Nikto, Nmap, Metasploit, etc.).
Role: Cyber Security Engineer - Salary/Rate: up to £700 per day (inside IR35) Location: Hybrid London - Contract Duration: until October 2025 - We are currently looking for a Cyber Security Engineer for our government client. This Cyber Security Engineer role is hybrid, based between 2-3 days per week on site in central London and the remainder of the week working remotely. The contract for the Cyber Security Engineer position is until October 2025 with potential to extend, operating inside IR35. Security Clearance: Security Check ('SC Clearance') This role is inside IR35 - Due to the service of the role, it will now be based on an Umbrella solution. * Experience penetration testing, ethical hacking, or completing vulnerability assessments. * Security testing tools (e.g., Burp Suite, OWASP ZAP, Nikto, Nmap, Metasploit, etc.).
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Head Of Infrastructure Architecture
Head Of Infrastructure Architecture
Magnus Partners Talent Solutions
London
Competitive day rate (or equivalent)
About the Company - A dynamic London-based fintech startup is revolutionising financial services through cutting-edge technology. Their mission is to deliver secure, scalable, and innovative solutions that empower users in a rapidly evolving digital landscape. Join a forward-thinking team to build a next-generation platform that redefines how financial systems operate, driven by innovation, collaboration, and excellence. Role Overview - As the Technical Lead for Infrastructure & Architecture, youll spearhead the development of a transformative financial platform, reporting directly to the CEO. Leading a compact team of two developers, youll design and deliver a robust, secure architecture that sets new industry standards. This hands-on role demands deep expertise in full-stack development, blockchain technologies, and a relentless drive to innovate.
About the Company - A dynamic London-based fintech startup is revolutionising financial services through cutting-edge technology. Their mission is to deliver secure, scalable, and innovative solutions that empower users in a rapidly evolving digital landscape. Join a forward-thinking team to build a next-generation platform that redefines how financial systems operate, driven by innovation, collaboration, and excellence. Role Overview - As the Technical Lead for Infrastructure & Architecture, youll spearhead the development of a transformative financial platform, reporting directly to the CEO. Leading a compact team of two developers, youll design and deliver a robust, secure architecture that sets new industry standards. This hands-on role demands deep expertise in full-stack development, blockchain technologies, and a relentless drive to innovate.
£70K -85k - UK - Fully Remote - Excited by the challenge of working at a fast-moving cybersecurity startup? We're looking for a Senior Full Stack Engineer to join their team on a fully remote bases in the UK, where you'll have a real impact working with cutting-edge technology to help organisations tackle security threats in real time. This is a fully remote role with a starting salary between £70k -£85k. For this role you MUST be resident and eligible to work in the UK, unsupported by a visa. * Build and scale customer-facing applications that make a difference. * Lead integration projects and develop efficient data workflows. * Solve complex problems involving large datasets and data control. * Backend: TypeScript, Sequelize ORM, Awareness of Nest, GraphQL, REST APIs, MySQL, NoSQL, Kafka * Frontend: Angular, React.js, Next.js, TypeScript, Chakra UI, React Query, Gra
£70K -85k - UK - Fully Remote - Excited by the challenge of working at a fast-moving cybersecurity startup? We're looking for a Senior Full Stack Engineer to join their team on a fully remote bases in the UK, where you'll have a real impact working with cutting-edge technology to help organisations tackle security threats in real time. This is a fully remote role with a starting salary between £70k -£85k. For this role you MUST be resident and eligible to work in the UK, unsupported by a visa. * Build and scale customer-facing applications that make a difference. * Lead integration projects and develop efficient data workflows. * Solve complex problems involving large datasets and data control. * Backend: TypeScript, Sequelize ORM, Awareness of Nest, GraphQL, REST APIs, MySQL, NoSQL, Kafka * Frontend: Angular, React.js, Next.js, TypeScript, Chakra UI, React Query, Gra
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