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Api
Northamptonshire
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0 Permanent API jobs in Northamptonshire + 20 miles
40 exact matches jobs are outside your preferred location
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Full Stack Developer
Full Stack Developer
CURE TALENT LIMITED
Milton, CB24
From £75,000 to £85,000 per annum Neg. DOE + Benefits
Strong understanding of API design, authentication, and database integration.
Strong understanding of API design, authentication, and database integration.
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Lead Backend Developer - Location: London - 1x a month - Salary: Up to £120,000 (D.O.E) + benefits - Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions.
Lead Backend Developer - Location: London - 1x a month - Salary: Up to £120,000 (D.O.E) + benefits - Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead Engineer who thrives in ambitious environments and wants to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native backend systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence strategic engineering decisions.
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Asset and Wealth Management - Full-Stack Software Engineer - Analyst - Birmingham
Asset and Wealth Management - Full-Stack Software Engineer - Analyst - Birmingham
Goldman Sachs
Birmingham, West Midlands
Competitive
Who We Are - The Asset & Wealth Management Division includes Goldman Sachs Asset Management (GSAM), Private Wealth Management (PWM) and Marcus by Goldman Sachs. We provide asset management, wealth management and banking expertise to consumers and institutions around the world. AWM partners with various teams across the firm to help individuals and institutions navigate changing markets and take control of their financial lives. The firm's direct-to-consumer business, Marcus by Goldman Sachs, combines the entrepreneurial spirit of a start-up with more than 150 years of experience. Today, we serve millions of customers across multiple products, leveraging innovative design, data, engineering and other core capabilities to provide customers with powerful tools and products that are grounded in value, transparency and simplicity. What We Do
Who We Are - The Asset & Wealth Management Division includes Goldman Sachs Asset Management (GSAM), Private Wealth Management (PWM) and Marcus by Goldman Sachs. We provide asset management, wealth management and banking expertise to consumers and institutions around the world. AWM partners with various teams across the firm to help individuals and institutions navigate changing markets and take control of their financial lives. The firm's direct-to-consumer business, Marcus by Goldman Sachs, combines the entrepreneurial spirit of a start-up with more than 150 years of experience. Today, we serve millions of customers across multiple products, leveraging innovative design, data, engineering and other core capabilities to provide customers with powerful tools and products that are grounded in value, transparency and simplicity. What We Do
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Software Engineer - Embedded Systems
Software Engineer - Embedded Systems
Huber+Suhner Polatis
CB4, Cambridge
Competitive Salary DOE + Excellent Benefits
Location: Cambridge, Cambridgeshire, CB4 0WN - Salary: Competitive Salary, DOE + Excellent Benefits - Contract: Full time, Permanent - Benefits: Health Shield, Life Assurance - 4x Yearly Salary, Non-Contributory Pension (8%), Cycle to Work Scheme, Opt in to Private Medical, Free Parking, 25 Days Holiday + 8 Bank Holidays + 1 Company Day at Christmas - Are you passionate about embedded systems and eager to work on cutting-edge optical network technology - Join our dynamic Product Software team at Polatis as a Software Engineer, where innovation meets precision! Huber+Suhner produce market-leading optical circuit switches for advanced fibre optic communications networks. The programme management team works across the business to deliver product design, software release, and process improvement projects in the UK and Poland.
Location: Cambridge, Cambridgeshire, CB4 0WN - Salary: Competitive Salary, DOE + Excellent Benefits - Contract: Full time, Permanent - Benefits: Health Shield, Life Assurance - 4x Yearly Salary, Non-Contributory Pension (8%), Cycle to Work Scheme, Opt in to Private Medical, Free Parking, 25 Days Holiday + 8 Bank Holidays + 1 Company Day at Christmas - Are you passionate about embedded systems and eager to work on cutting-edge optical network technology - Join our dynamic Product Software team at Polatis as a Software Engineer, where innovation meets precision! Huber+Suhner produce market-leading optical circuit switches for advanced fibre optic communications networks. The programme management team works across the business to deliver product design, software release, and process improvement projects in the UK and Poland.
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Deliver high-quality, responsive web and mobile apps, leveraging modern frameworks such as Vite, React Query, Context API, and CSS libraries.
Deliver high-quality, responsive web and mobile apps, leveraging modern frameworks such as Vite, React Query, Context API, and CSS libraries.
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Implement and champion advanced integration patterns, including microservices, API-led connectivity, event-driven architectures, and pub/sub models, to deliver resilient, future-proof solutions. * Proficiency in Azure Integration Services: Logic Apps, API Management, Service Bus, Event Grid. * Solid understanding of integration patterns: pub/sub, event-driven, API-led connectivity, request/response, batch. * Awareness of security best practices: OAuth2, JWT, TLS, API security.
Implement and champion advanced integration patterns, including microservices, API-led connectivity, event-driven architectures, and pub/sub models, to deliver resilient, future-proof solutions. * Proficiency in Azure Integration Services: Logic Apps, API Management, Service Bus, Event Grid. * Solid understanding of integration patterns: pub/sub, event-driven, API-led connectivity, request/response, batch. * Awareness of security best practices: OAuth2, JWT, TLS, API security.
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Proficient in hands-on development, coding, and API design.
Proficient in hands-on development, coding, and API design.
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Proficient in hands-on development, coding, and API design.
Proficient in hands-on development, coding, and API design.
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Support an API-FIRST Analytics business strategy to design and build SaaS and PaaS solutions, including analytics data solutions, quantitative models, risk analytics and customized reporting tools, and other sophisticated analytical tools. * Experience leading/designing/delivering API service-based product solutions
Support an API-FIRST Analytics business strategy to design and build SaaS and PaaS solutions, including analytics data solutions, quantitative models, risk analytics and customized reporting tools, and other sophisticated analytical tools. * Experience leading/designing/delivering API service-based product solutions
Happy to look at European relocators - An Edtech Start-up in London are building something transformative in the education space using cutting-edge machine learning. We're looking for aLead ML Engineerto take ownership of the machine learning strategy, build out the team, and help shape the future of AI in education. * Build and lead a new ML team from the ground up. * Define the tech stack for data pipelines and ML models. * Develop generative models using diverse datasets (text, audio, video, test results). * Design and deploy data integration and analysis pipelines. * Collaborate with engineers and product managers to bring ML features to life. * Create innovative language assessments and predictive models. * Optimize models for performance, scalability, and accuracy. * Deep knowledge of neural networks (CNNs, RNNs, LSTMs, Transformers).
Happy to look at European relocators - An Edtech Start-up in London are building something transformative in the education space using cutting-edge machine learning. We're looking for aLead ML Engineerto take ownership of the machine learning strategy, build out the team, and help shape the future of AI in education. * Build and lead a new ML team from the ground up. * Define the tech stack for data pipelines and ML models. * Develop generative models using diverse datasets (text, audio, video, test results). * Design and deploy data integration and analysis pipelines. * Collaborate with engineers and product managers to bring ML features to life. * Create innovative language assessments and predictive models. * Optimize models for performance, scalability, and accuracy. * Deep knowledge of neural networks (CNNs, RNNs, LSTMs, Transformers).
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LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. Its how weve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services and our open-access model we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.
LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs. Its how weve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services and our open-access model we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.
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FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. FTSE Russell is seeking a hands-on dynamic software development leader to drive a team of software engineers building robust equity index capabilities and indexes.
FTSE Russell is a leading global provider of financial services, specializing in the creation and management of indexes, data, and analytic solutions. A subsidiary of the London Stock Exchange Group (LSEG), FTSE Russell supports investors worldwide in making informed decisions across asset classes, investment strategies, and market segments. Its products are trusted by institutional and retail investors, asset managers, and pension funds to benchmark performance, build investment portfolios, and manage risk. With a reputation for innovation, transparency, and robust governance, FTSE Russell plays a critical role in shaping global financial markets. FTSE Russell is seeking a hands-on dynamic software development leader to drive a team of software engineers building robust equity index capabilities and indexes.
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This means writing high-quality code, solving complex problems in live production, and tackling challenges that impact over 2 billion people worldwide. Our PEs are embedded in teams across the spectrum from products like Instagram, WhatsApp, Oculus, and Videos to critical backend services such as Storage, Cache, and Networking. The team brings together diverse levels of experience and backgrounds. Working alongside some of the best engineers in the industry, youll contribute to code and systems that go into production and are used by millions every day. In Production Engineering at Meta, we navigate uncharted waters daily solving problems at a scale few others face. * Own the end-to-end reliability and scalability of the platforms, services, and products built on top of Metas underlying infrastructure and network
This means writing high-quality code, solving complex problems in live production, and tackling challenges that impact over 2 billion people worldwide. Our PEs are embedded in teams across the spectrum from products like Instagram, WhatsApp, Oculus, and Videos to critical backend services such as Storage, Cache, and Networking. The team brings together diverse levels of experience and backgrounds. Working alongside some of the best engineers in the industry, youll contribute to code and systems that go into production and are used by millions every day. In Production Engineering at Meta, we navigate uncharted waters daily solving problems at a scale few others face. * Own the end-to-end reliability and scalability of the platforms, services, and products built on top of Metas underlying infrastructure and network
Meta is looking for an AI-first Product Security Engineer Intern. Meta's Product Security team focuses on detection, prevention, and mitigation of risk that is inherent in building software through an AI-first lens -- leveraging machine learning, automation, and intelligent systems to revolutionize how we approach vulnerability research and secure software development. Product Security Engineers partner with their engineering and product teams to provide and develop AI-enhanced guidance and tooling that help minimize security and privacy risk for over 3 billion of our users. The scale, diversity, and importance of the products we secure demands an innovative, AI-driven approach -- come help us make life hard for the bad guys using cutting-edge AI! In this role you'll be focused on securing web applications/APIs and with an AI-first modality, ensuring we have robust ..
Meta is looking for an AI-first Product Security Engineer Intern. Meta's Product Security team focuses on detection, prevention, and mitigation of risk that is inherent in building software through an AI-first lens -- leveraging machine learning, automation, and intelligent systems to revolutionize how we approach vulnerability research and secure software development. Product Security Engineers partner with their engineering and product teams to provide and develop AI-enhanced guidance and tooling that help minimize security and privacy risk for over 3 billion of our users. The scale, diversity, and importance of the products we secure demands an innovative, AI-driven approach -- come help us make life hard for the bad guys using cutting-edge AI! In this role you'll be focused on securing web applications/APIs and with an AI-first modality, ensuring we have robust ..
This means writing high-quality code, solving complex problems in live production, and tackling challenges that impact over 2 billion people worldwide. Our PEs are embedded in teams across the spectrum from products like Instagram, WhatsApp, Oculus, and Videos to critical backend services such as Storage, Cache, and Networking. The team brings together diverse levels of experience and backgrounds. Working alongside some of the best engineers in the industry, youll contribute to code and systems that go into production and are used by millions every day. In Production Engineering at Meta, we navigate uncharted waters daily solving problems at a scale few others face. * Own back-end services like our Hadoop data warehouses, front-end services like Messenger and Newsfeed, infrastructure components like our Memcache infrastructure, and everything in between
This means writing high-quality code, solving complex problems in live production, and tackling challenges that impact over 2 billion people worldwide. Our PEs are embedded in teams across the spectrum from products like Instagram, WhatsApp, Oculus, and Videos to critical backend services such as Storage, Cache, and Networking. The team brings together diverse levels of experience and backgrounds. Working alongside some of the best engineers in the industry, youll contribute to code and systems that go into production and are used by millions every day. In Production Engineering at Meta, we navigate uncharted waters daily solving problems at a scale few others face. * Own back-end services like our Hadoop data warehouses, front-end services like Messenger and Newsfeed, infrastructure components like our Memcache infrastructure, and everything in between
This means writing high-quality code, solving complex problems in live production, and tackling challenges that impact over 2 billion people worldwide. Our PEs are embedded in teams across the spectrum from products like Instagram, WhatsApp, Oculus, and Videos to critical backend services such as Storage, Cache, and Networking. The team brings together diverse levels of experience and backgrounds. Working alongside some of the best engineers in the industry, youll contribute to code and systems that go into production and are used by millions every day. In Production Engineering at Meta, we navigate uncharted waters daily solving problems at a scale few others face. * Own back-end services like our container fleet management systems, front-end services like Chat and Newsfeed, infrastructure components like our Memcache infrastructure, and everything in between
This means writing high-quality code, solving complex problems in live production, and tackling challenges that impact over 2 billion people worldwide. Our PEs are embedded in teams across the spectrum from products like Instagram, WhatsApp, Oculus, and Videos to critical backend services such as Storage, Cache, and Networking. The team brings together diverse levels of experience and backgrounds. Working alongside some of the best engineers in the industry, youll contribute to code and systems that go into production and are used by millions every day. In Production Engineering at Meta, we navigate uncharted waters daily solving problems at a scale few others face. * Own back-end services like our container fleet management systems, front-end services like Chat and Newsfeed, infrastructure components like our Memcache infrastructure, and everything in between
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Lead QA Automation Engineer, C#, Home Based
Lead QA Automation Engineer, C#, Home Based
Fdo Consulting Limited
Lee Bank, B1
£55000 - £68000 per annum + home based + benefits
Strong Automation, API, C#, Selenium and mentoring / management skills required. * API Testing * Very strong API testing. This is a great role for a candidate who has very strong C#, API testing and automation.
Strong Automation, API, C#, Selenium and mentoring / management skills required. * API Testing * Very strong API testing. This is a great role for a candidate who has very strong C#, API testing and automation.
Cloud Infrastructure Engineering Manager - API Gateway
Cloud Infrastructure Engineering Manager - API Gateway
Capital One (Europe) plc
Nottingham, Nottinghamshire
Competitive
Partner and collaborate with counterparts in Enterprise CapitalOne to develop and implement CapitalOnes API Gateway strategy for the UK * Broad experience of API theory and practice
Partner and collaborate with counterparts in Enterprise CapitalOne to develop and implement CapitalOnes API Gateway strategy for the UK * Broad experience of API theory and practice
Additionallyfor roles in the Network Product Services team interest in Network Assets, API based services and automation and orchestration tools such as Ansible.
Additionallyfor roles in the Network Product Services team interest in Network Assets, API based services and automation and orchestration tools such as Ansible.
Senior Mechanical Engineer - Energy & Power (Multiple Locations, UK)
Senior Mechanical Engineer - Energy & Power (Multiple Locations, UK)
Burns & McDonnell
London
Competitive
Strong knowledge of mechanical equipment design codes (ASME, ANSI, API, PIP, NACE).
Strong knowledge of mechanical equipment design codes (ASME, ANSI, API, PIP, NACE).
Conduct different testing types and adapt them to the project need: functional testing, regression testing, API testing, integration testing, security testing, performance testing, contract testing. * Implement and maintain automated testing framework for UI, API and AI/ML solutions. * Proficiency in UI and API test automation tools like cypress, cucumber, postman, pytest.
Conduct different testing types and adapt them to the project need: functional testing, regression testing, API testing, integration testing, security testing, performance testing, contract testing. * Implement and maintain automated testing framework for UI, API and AI/ML solutions. * Proficiency in UI and API test automation tools like cypress, cucumber, postman, pytest.
lastupdated - 10/22/2025 - jobtitle - Job Description - Role - Technical Test Lead - Technology - Test Automation Architect - Location - London, United Kingdom - Compensation - Competitive (including bonus) Today, the corporate landscape is dynamic and the world ahead is full of possibilities! None of the amazing things we do at Infosys would be possible without an equally amazing culture, the environment where ideas can flourish and where you are empowered to move forward as far as your ideas will take you. At Infosys, we assure that your career will never stand still, we will inspire you to build what's next and we will navigate further together. Our journey of learnability, values and trusted relationships with our clients continue to be the cornerstones of our organization and these values are upheld only because of our people. Your role
lastupdated - 10/22/2025 - jobtitle - Job Description - Role - Technical Test Lead - Technology - Test Automation Architect - Location - London, United Kingdom - Compensation - Competitive (including bonus) Today, the corporate landscape is dynamic and the world ahead is full of possibilities! None of the amazing things we do at Infosys would be possible without an equally amazing culture, the environment where ideas can flourish and where you are empowered to move forward as far as your ideas will take you. At Infosys, we assure that your career will never stand still, we will inspire you to build what's next and we will navigate further together. Our journey of learnability, values and trusted relationships with our clients continue to be the cornerstones of our organization and these values are upheld only because of our people. Your role
Design and implement complex data flows, API integrations, and background processing systems that handle high-volume operations reliably while maintaining system performance and data integrity * RESTful API design and implementation
Design and implement complex data flows, API integrations, and background processing systems that handle high-volume operations reliably while maintaining system performance and data integrity * RESTful API design and implementation
As our Sales Engineer you'll partner with sales teams to win business by translating customer needs into clear, technically sound API and data solutions. * Partner with Account Executives during the sales cycle to assess customer requirements and propose optimal API and data integration solutions. * Articulate and demonstrate API capabilities, data models, and integration patterns to both technical and business stakeholders. * Capture market and prospect feedback on API/data features to inform product development. Strong understanding of REST API design, authentication (OAuth, JWT), and data formats (JSON, XML, CSV).
As our Sales Engineer you'll partner with sales teams to win business by translating customer needs into clear, technically sound API and data solutions. * Partner with Account Executives during the sales cycle to assess customer requirements and propose optimal API and data integration solutions. * Articulate and demonstrate API capabilities, data models, and integration patterns to both technical and business stakeholders. * Capture market and prospect feedback on API/data features to inform product development. Strong understanding of REST API design, authentication (OAuth, JWT), and data formats (JSON, XML, CSV).
Lead the design and implementation of comprehensive quality strategies across platforms like Salesforce, Azure, and AWS, including test approaches (unit, integration, API, UI, performance, security, accessibility) and automation frameworks using C#, Python, Apex, and TypeScript. Proven test automation skills using tools like Selenium, Playwright, Cypress, pytest, xUnit/NUnit, or Jest for functional, integration, API, and end-to-end testing.
Lead the design and implementation of comprehensive quality strategies across platforms like Salesforce, Azure, and AWS, including test approaches (unit, integration, API, UI, performance, security, accessibility) and automation frameworks using C#, Python, Apex, and TypeScript. Proven test automation skills using tools like Selenium, Playwright, Cypress, pytest, xUnit/NUnit, or Jest for functional, integration, API, and end-to-end testing.