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15 Permanent API jobs in Northamptonshire + 20 miles
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3rd Party API Intergration
3rd Party API Intergration
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Front-End Developer, React.js, Hybrid, COR7426
Front-End Developer, React.js, Hybrid, COR7426
Corriculo Ltd
Leamington Spa (CV31), CV31
£65k - 80k per year + Benefits
Working closely with back-end teams, you’ll ensure seamless API integrations while optimising applications for performance, accessibility, and user experience. * Familiarity with TypeScript and RESTful API integration
Working closely with back-end teams, you’ll ensure seamless API integrations while optimising applications for performance, accessibility, and user experience. * Familiarity with TypeScript and RESTful API integration
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Senior Full Stack Software Engineer
Senior Full Stack Software Engineer
Bolt Technical Limited
Milton Keynes (MK1)
From £70,000 to £80,000 per annum
API design experience
API design experience
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Own the end-to-end lead journey through API integrations, data analysis, and cross-functional collaboration to drive scalable lead acquisition, qualification, and conversion. * Lead Journey & API Integration: Own end-to-end flow- from capture to booking- through robust API integrations, ensuring accurate lead attribution, minimal leakage, faster hand-offs, and improved online booking conversion rates. * Minimum 3-5 years of experience in data science, API integrations, and performance management. * Experience in API integrations and Lead Flow Optimisations.
Own the end-to-end lead journey through API integrations, data analysis, and cross-functional collaboration to drive scalable lead acquisition, qualification, and conversion. * Lead Journey & API Integration: Own end-to-end flow- from capture to booking- through robust API integrations, ensuring accurate lead attribution, minimal leakage, faster hand-offs, and improved online booking conversion rates. * Minimum 3-5 years of experience in data science, API integrations, and performance management. * Experience in API integrations and Lead Flow Optimisations.
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Junior Integration Analyst
Junior Integration Analyst
Altro
Letchworth Garden City (SG6), SG6 1NW
Competitive salary plus additional benefits,
Are you curious about how systems talk to each other? Do you enjoy solving problems, working with data, and learning new technical skills? If so, this could be the perfect next step in your IT career. We’re looking for a Junior Integration Specialist to join our IT Department and support the delivery of our Global Integration Roadmap. You’ll work alongside experienced Integration Specialists and Analysts, helping to build, test, and maintain the connections that keep our systems running smoothly, both internally and with our external partners. This is a fantastic opportunity to develop hands-on experience in integrations, data flows, APIs, and EDI, while working with tools such as SSIS, SQL, and ZappySys. This permanent, full time, hybrid working ( 3 days a week in the office) is based at our Letchworth Garden City Head office.
Are you curious about how systems talk to each other? Do you enjoy solving problems, working with data, and learning new technical skills? If so, this could be the perfect next step in your IT career. We’re looking for a Junior Integration Specialist to join our IT Department and support the delivery of our Global Integration Roadmap. You’ll work alongside experienced Integration Specialists and Analysts, helping to build, test, and maintain the connections that keep our systems running smoothly, both internally and with our external partners. This is a fantastic opportunity to develop hands-on experience in integrations, data flows, APIs, and EDI, while working with tools such as SSIS, SQL, and ZappySys. This permanent, full time, hybrid working ( 3 days a week in the office) is based at our Letchworth Garden City Head office.
PREMIUM
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Join Our Team as a Senior Test Automation Engineer! Are you passionate about test automation and eager to work with cutting-edge data and Machine Learning products? We are seeking aSenior Test Automation Engineerto join our dynamic Data business area. This key role involves designing and implementing robust, scalable test automation strategies across a suite of ML-driven data products, helping us ship with confidence and speed. * Design and implement automated tests for data pipelines, APIs, and machine learning products. * Integrate test automation into our Azure DevOps CI/CD pipelines. * Collaborate closely with data engineers, data scientists, and product owners to define quality criteria and acceptance scenarios. * Drive test-first thinking and practices within the team (e.g., BDD, TDD). * Identify areas for test coverage improvement and ensure automated checks are in ...
Join Our Team as a Senior Test Automation Engineer! Are you passionate about test automation and eager to work with cutting-edge data and Machine Learning products? We are seeking aSenior Test Automation Engineerto join our dynamic Data business area. This key role involves designing and implementing robust, scalable test automation strategies across a suite of ML-driven data products, helping us ship with confidence and speed. * Design and implement automated tests for data pipelines, APIs, and machine learning products. * Integrate test automation into our Azure DevOps CI/CD pipelines. * Collaborate closely with data engineers, data scientists, and product owners to define quality criteria and acceptance scenarios. * Drive test-first thinking and practices within the team (e.g., BDD, TDD). * Identify areas for test coverage improvement and ensure automated checks are in ...
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Senior Full-Stack Developer
Senior Full-Stack Developer
Hireful
Milton Keynes, Buckinghamshire, MK9
up to £60k base + Bonus and great benefits
Are you a Senior Full Stack Developer who fancies redefining operational excellence across higher education, conference and events applications? You’ll be joining a company trusted by more than 350 institutions worldwide and backed by 25 years of experience. You’ll be joining a people-first, purpose-driven business where ideas are valued, growth is supported and impact is truly visible. We’re looking for a Senior Full Stack Developer with outstanding front-end expertise and at least some back end .Net capabilities to help shape the next chapter of our platform. You’ll design and deliver accessible, secure and high-quality web solutions, working closely with clients, project managers and fellow developers. Role: Senior Full Stack Web Developer, Senior Web Developer, Senior Developer, Senior Full-Stack Developer, Senior Front End Developer, Full Stack Developer, Senior ...
Are you a Senior Full Stack Developer who fancies redefining operational excellence across higher education, conference and events applications? You’ll be joining a company trusted by more than 350 institutions worldwide and backed by 25 years of experience. You’ll be joining a people-first, purpose-driven business where ideas are valued, growth is supported and impact is truly visible. We’re looking for a Senior Full Stack Developer with outstanding front-end expertise and at least some back end .Net capabilities to help shape the next chapter of our platform. You’ll design and deliver accessible, secure and high-quality web solutions, working closely with clients, project managers and fellow developers. Role: Senior Full Stack Web Developer, Senior Web Developer, Senior Developer, Senior Full-Stack Developer, Senior Front End Developer, Full Stack Developer, Senior ...
FEATURED
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Are you an experienced Business Analyst ready to make an impact? Join our Group Technology team at Connells Group as a Business Analyst, where youll work closely with engineers and business stakeholders to understand day-to-day processes, analyse operational needs, and translate requirements into clear Business Requirement Specifications or User Stories. The CPE team is responsible for maintaining and supporting key business systems, as well as managing incidents through ServiceNow, coordinating regular software releases, and addressing technical debt. We offer a hybrid working arrangement, with two days per week in our Milton Keynes office. * Elicit and capture business requirements * Produce clear, concise business requirements documents and user stories * Proactively work with senior business managers to understand their business processes and needs
Are you an experienced Business Analyst ready to make an impact? Join our Group Technology team at Connells Group as a Business Analyst, where youll work closely with engineers and business stakeholders to understand day-to-day processes, analyse operational needs, and translate requirements into clear Business Requirement Specifications or User Stories. The CPE team is responsible for maintaining and supporting key business systems, as well as managing incidents through ServiceNow, coordinating regular software releases, and addressing technical debt. We offer a hybrid working arrangement, with two days per week in our Milton Keynes office. * Elicit and capture business requirements * Produce clear, concise business requirements documents and user stories * Proactively work with senior business managers to understand their business processes and needs
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Software Engineering Manager
Software Engineering Manager
Coburg Banks Limited
Hampton, Peterborough (PE7), PE7
Car Allowance, Bonus, Pension, Healthcare
Role: Software Engineering Manager - Location: Peterborough Hybrid - 2 days per week - Salary: Competitive salary, plus bonus, car allowance, excellent pension, healthcare - This is a new role within this multinational organisation that fully embraces and actively encourages the adoption the latest tech. We are looking for an experienced software engineering manager, development manager or lead developer that is as happy leading a small team as much as coding and leading projects. This is a hands-on role, so we are looking for coding skills in JavaScript and a good grasp of Azure. You will have a keen interest in AI technologies and how to incorporate them in business systems and applications. * Development team management and leadership experience, planning, sprints, mentoring, support etc * Has worked within a Microsoft Azure Development role (Web Apps, Functions, Databases)
Role: Software Engineering Manager - Location: Peterborough Hybrid - 2 days per week - Salary: Competitive salary, plus bonus, car allowance, excellent pension, healthcare - This is a new role within this multinational organisation that fully embraces and actively encourages the adoption the latest tech. We are looking for an experienced software engineering manager, development manager or lead developer that is as happy leading a small team as much as coding and leading projects. This is a hands-on role, so we are looking for coding skills in JavaScript and a good grasp of Azure. You will have a keen interest in AI technologies and how to incorporate them in business systems and applications. * Development team management and leadership experience, planning, sprints, mentoring, support etc * Has worked within a Microsoft Azure Development role (Web Apps, Functions, Databases)
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£100k - Equity | Remote Flexibility - Typescript | Azure | Python | LLM | Terraform - The Company - We’re working with an early-stage technology company bringing digital transformation to traditionally manual supply chain and product data processes. They are looking for an experienced engineer who can balance hands-on engineering with technical strategy as the business moves through its next phase of growth. This role suits someone who enjoys operating in a small but growing team, is motivated by building solutions, solving complex problems, and is comfortable rolling up their sleeves to deliver. The environment is fast-paced, where priorities can evolve quickly and ambiguity is often part of the journey. The successful candidate will be excited by the autonomy of an early-stage environment and the opportunity to shape the technical direction of a high-potential B2B SaaS platform.
£100k - Equity | Remote Flexibility - Typescript | Azure | Python | LLM | Terraform - The Company - We’re working with an early-stage technology company bringing digital transformation to traditionally manual supply chain and product data processes. They are looking for an experienced engineer who can balance hands-on engineering with technical strategy as the business moves through its next phase of growth. This role suits someone who enjoys operating in a small but growing team, is motivated by building solutions, solving complex problems, and is comfortable rolling up their sleeves to deliver. The environment is fast-paced, where priorities can evolve quickly and ambiguity is often part of the journey. The successful candidate will be excited by the autonomy of an early-stage environment and the opportunity to shape the technical direction of a high-potential B2B SaaS platform.
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This is a flexible, hybrid role and can be based from either of our offices in Peterborough, Manchester, Chesterfield, Stoke or Sunderland. We also have largely remote options available. As the Atlassian & ServiceNow Product Owner, you are the strategic and operational owner of the organisation’s Jira, Confluence, and ServiceNow platforms. You define the vision, roadmap, and daily management of both toolsets, ensuring they are aligned with business goals, consistently adopted across teams, and configured to support high-quality, insightful delivery and ITSM excellence. This role bridges product ownership (what the platforms should do and why) with administration (how they are configured and run). You work closely with Technology, PMO, Transformation, COO teams, and business stakeholders to translate requirements into practical, scalable solutions that reinforce standard ...
This is a flexible, hybrid role and can be based from either of our offices in Peterborough, Manchester, Chesterfield, Stoke or Sunderland. We also have largely remote options available. As the Atlassian & ServiceNow Product Owner, you are the strategic and operational owner of the organisation’s Jira, Confluence, and ServiceNow platforms. You define the vision, roadmap, and daily management of both toolsets, ensuring they are aligned with business goals, consistently adopted across teams, and configured to support high-quality, insightful delivery and ITSM excellence. This role bridges product ownership (what the platforms should do and why) with administration (how they are configured and run). You work closely with Technology, PMO, Transformation, COO teams, and business stakeholders to translate requirements into practical, scalable solutions that reinforce standard ...
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REST API Design
REST API Design
Understanding of secure coding practices, API design, and performance optimisation.
Understanding of secure coding practices, API design, and performance optimisation.
Digital Champion Sales Fire SaaS- UK and Ireland
Digital Champion Sales Fire SaaS- UK and Ireland
Honeywell UK (Main Account)
Leicester, Leicestershire
Competitive
Strategic Mindset : Ability to discuss NPV, IRR, and Gross Retention Rates (GRR) with partner CEOs, while also discussing API integrations and Cloud Architecture with technical leads.
Strategic Mindset : Ability to discuss NPV, IRR, and Gross Retention Rates (GRR) with partner CEOs, while also discussing API integrations and Cloud Architecture with technical leads.
Leicester £61k - 66k per year - Permanent - BH35 - VIQU have partnered with a large scale, digitally driven organisation seeking a Senior iOS Developer to play a key role in shaping and evolving their customer facing mobile applications. This is a technically led, hands on position where the Senior iOS Developer will influence architecture, mentor squads, and drive best practice across modern iOS development within a high traffic, enterprise scale environment. Establish and influence architectural foundations for performant iOS applications. Design and implement features across white label iOS apps using Swift and SwiftUI. Mentor 1-2 iOS development squads, providing technical leadership and guidance. Collaborate with Product Owners, UX and Marketing to refine and deliver requirements. Review and continuously improve the iOS app offering.
Leicester £61k - 66k per year - Permanent - BH35 - VIQU have partnered with a large scale, digitally driven organisation seeking a Senior iOS Developer to play a key role in shaping and evolving their customer facing mobile applications. This is a technically led, hands on position where the Senior iOS Developer will influence architecture, mentor squads, and drive best practice across modern iOS development within a high traffic, enterprise scale environment. Establish and influence architectural foundations for performant iOS applications. Design and implement features across white label iOS apps using Swift and SwiftUI. Mentor 1-2 iOS development squads, providing technical leadership and guidance. Collaborate with Product Owners, UX and Marketing to refine and deliver requirements. Review and continuously improve the iOS app offering.
290 exact matches jobs are outside your preferred location
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We are seeking a Java API Developer to join our Digital Asset development team. * Implement APIs in line with internal requirements for API design, security, versioning, and documentation, ensuring solutions are consistent and reusable. * Collaborate with business and technology stakeholders to understand requirements, clarify edge cases, and deliver well-scoped API changes in an Agile sprint model. * Hands-on experience developing Java backend applications, including REST API development in production or near-production environments. * Familiarity with common Java API frameworks and patterns (e.g., Spring Boot / Spring MVC-style services) and building maintainable service layers. * Understanding of secure API fundamentals (authentication/authorization concepts, safe handling of sensitive data) and willingness to follow enterprise standards.
We are seeking a Java API Developer to join our Digital Asset development team. * Implement APIs in line with internal requirements for API design, security, versioning, and documentation, ensuring solutions are consistent and reusable. * Collaborate with business and technology stakeholders to understand requirements, clarify edge cases, and deliver well-scoped API changes in an Agile sprint model. * Hands-on experience developing Java backend applications, including REST API development in production or near-production environments. * Familiarity with common Java API frameworks and patterns (e.g., Spring Boot / Spring MVC-style services) and building maintainable service layers. * Understanding of secure API fundamentals (authentication/authorization concepts, safe handling of sensitive data) and willingness to follow enterprise standards.
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands-on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilitiesspanning digital custody, tokenization enablement, digital transfer agency, and digital cash/settlement workflows. * Build API services that participate in the platforms centralized integration approachsupporting client/app onboarding and app-to-service integrations via an Integration Hub and secure gateways. * Implement APIs that align to enterprise API design/security/publishing requirements, ensuring designs are review-ready and compliant with internal standards (security, documentation, and platform requirements). * Collaborate across teams to drive clear API contracts and dependencies for integrations to traditional ...
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Software Engineer - C#/.Net, Permanent, West Midlands
Software Engineer - C#/.Net, Permanent, West Midlands
BMR Associates Limited
Birmingham (B1)
From £40,000 to £50,000 per annum + Company Benefits
Software Engineer - C# / .Net, Permanent Hybrid;West Midlands. I seek a passionate and creative Software Engineer who is a team player, has the attitude to grow as a developer and learn all the latest technologies. Working in an Agile environment, following established standards and best practices, you will ideally have 1-2 years C# / .Net development experience and come with demonstrable web application development experience. The Software Engineer will be involved in developing web applications and maintain secure, reliable APIs and services using C# and .Net. At this level you will be expected to demonstrate superb communication skills both verbally and written, along with the ability to work collaboratively in an agile environment and cross functional teams as well as develop excellent working relationships with key stakeholders at all levels.
Software Engineer - C# / .Net, Permanent Hybrid;West Midlands. I seek a passionate and creative Software Engineer who is a team player, has the attitude to grow as a developer and learn all the latest technologies. Working in an Agile environment, following established standards and best practices, you will ideally have 1-2 years C# / .Net development experience and come with demonstrable web application development experience. The Software Engineer will be involved in developing web applications and maintain secure, reliable APIs and services using C# and .Net. At this level you will be expected to demonstrate superb communication skills both verbally and written, along with the ability to work collaboratively in an agile environment and cross functional teams as well as develop excellent working relationships with key stakeholders at all levels.
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Full Stack Developer
Full Stack Developer
Erin Associates
Birmingham, West Midlands
£55000 - £60000 per annum, Benefits Excellent benefits
Strong REST API development skills
Strong REST API development skills
FEATURED
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AI Architect – Generative AI / LLM / Cloud (Enterprise Scale)
AI Architect – Generative AI / LLM / Cloud (Enterprise Scale)
DCV Technologies Limited
London
From £125,000 to £166,000 per annum
Experience with Kubernetes, Docker, microservices architectures, and API integrations
Experience with Kubernetes, Docker, microservices architectures, and API integrations
FEATURED
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Collections API
Collections API
FEATURED
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FryerMiles are delighted to be working with a leading UK Consultancy to assist with their recruitment of a Full Stack Engineer to work on a large financial project within the UK public sector. The successful candidate will be a mid level Full Stack Engineer with hands on experience building robust applications using C#, Python, and JavaScript, supporting the delivery of secure, scalable, automated cloud platforms across the Public Sector. * Design, develop and maintain full-stack web applications using C#, Python and JavaScript * Build and enhance backend services using frameworks including .NET, Flask, and Django * Develop user friendly front end interfaces with React, Angular or similar * Create and maintain RESTful API’s, microservices, and integrations with third party systems * Troubleshoot and debug issues across the stack * Participate in code reviews
FryerMiles are delighted to be working with a leading UK Consultancy to assist with their recruitment of a Full Stack Engineer to work on a large financial project within the UK public sector. The successful candidate will be a mid level Full Stack Engineer with hands on experience building robust applications using C#, Python, and JavaScript, supporting the delivery of secure, scalable, automated cloud platforms across the Public Sector. * Design, develop and maintain full-stack web applications using C#, Python and JavaScript * Build and enhance backend services using frameworks including .NET, Flask, and Django * Develop user friendly front end interfaces with React, Angular or similar * Create and maintain RESTful API’s, microservices, and integrations with third party systems * Troubleshoot and debug issues across the stack * Participate in code reviews
Solid understanding of cloud-based architectures, especially Azure or AWS, including API
Solid understanding of cloud-based architectures, especially Azure or AWS, including API
Strong understanding of RESTful API design
Strong understanding of RESTful API design