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3 Permanent API jobs in Milton, Cambridge + 20 miles
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QA Test Engineer Python API Automation
QA Test Engineer Python API Automation
Client Server
Milton, CB24
£40000 - £50000 per annum + bonus + benefits
You have API testing experience
You have API testing experience
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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.
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.
41 exact matches jobs are outside your preferred location
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End to End QA Engineer, Test Analyst, API Tester
End to End QA Engineer, Test Analyst, API Tester
Experis UK
London
£50000 - £57000 per annum + Benefits
API Testing * Hands-on experience with API testing tools (e.g., Postman, SoapUI).
API Testing * Hands-on experience with API testing tools (e.g., Postman, SoapUI).
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We employ a micro front-end (MFE) architecture on the web, and agentic workflows with API-first services behind it, to integrate risk insights seamlessly across workflows and surfaces. * Design, develop, and operate secure, scalable APIs/microservices in Python (FastAPI) or Java (Spring Boot), following API-first principles * Experience building and consuming APIs; strong grasp of REST/gRPC and API
We employ a micro front-end (MFE) architecture on the web, and agentic workflows with API-first services behind it, to integrate risk insights seamlessly across workflows and surfaces. * Design, develop, and operate secure, scalable APIs/microservices in Python (FastAPI) or Java (Spring Boot), following API-first principles * Experience building and consuming APIs; strong grasp of REST/gRPC and API
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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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Familiarity with workflow automation solutions (UiPath, Power Automate, Zapier, n8n) and API development
Familiarity with workflow automation solutions (UiPath, Power Automate, Zapier, n8n) and API development
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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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Experience with API testing tools (e.g., Postman, REST Assured).
Experience with API testing tools (e.g., Postman, REST Assured).
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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
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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Role Summary - LSEGs ambition is to be one of the worlds greatest companies and best places to work. To achieve this, we are on a journey of building a world class engineering function supporting our Customer Data Master (CDM) Platform team. The team has embarked on a journey to provide internal teams and platform teams with a fully managed customer data master platform. The role will take part in the definition of the CDM strategy and execution of the CDM engineering strategy and deliver the technology capability, in line with the Corporate Engineering (CE) strategy which includes evolving our current master data capability. What youll be doing * Lead a senior engineering team (5 growing to ~10 across Reltio and data integration) to design, build and run the Customer MDM platform as a durable product with clear ownership.
Role Summary - LSEGs ambition is to be one of the worlds greatest companies and best places to work. To achieve this, we are on a journey of building a world class engineering function supporting our Customer Data Master (CDM) Platform team. The team has embarked on a journey to provide internal teams and platform teams with a fully managed customer data master platform. The role will take part in the definition of the CDM strategy and execution of the CDM engineering strategy and deliver the technology capability, in line with the Corporate Engineering (CE) strategy which includes evolving our current master data capability. What youll be doing * Lead a senior engineering team (5 growing to ~10 across Reltio and data integration) to design, build and run the Customer MDM platform as a durable product with clear ownership.
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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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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
Production Engineers at Meta are software engineers who focus on the reliability, scalability, performance, privacy and security of Meta Products - such as WhatsApp, Instagram or Messenger and our business platforms such as Ads, Business Messaging and Commerce. Through an experienced understanding of production services, and an interest in exploring for automation solutions, they allow our product teams to deliver new features quickly while maintaining user experience. They are embedded in Facebook's product teams and are core participants in every significant engineering effort. Our team members come with varying levels of experience and broadbackgrounds. We sail into uncharted waters every day at Meta in Production Engineering, and we are always learning. This position is full time. * Develop and review code, develop documentation and capacity plans, and debug the .
Production Engineers at Meta are software engineers who focus on the reliability, scalability, performance, privacy and security of Meta Products - such as WhatsApp, Instagram or Messenger and our business platforms such as Ads, Business Messaging and Commerce. Through an experienced understanding of production services, and an interest in exploring for automation solutions, they allow our product teams to deliver new features quickly while maintaining user experience. They are embedded in Facebook's product teams and are core participants in every significant engineering effort. Our team members come with varying levels of experience and broadbackgrounds. We sail into uncharted waters every day at Meta in Production Engineering, and we are always learning. This position is full time. * Develop and review code, develop documentation and capacity plans, and debug the .
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
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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Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others.
Required Skills - * We're primarily using AWS, utilising Lambda, ECS, SQS, API Gateway among others.
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Most functionality is written by the API or integrations team but we need a strong developer that can do both.
Most functionality is written by the API or integrations team but we need a strong developer that can do both.
NEWFEATURED
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.
Accueil - Nos offres d'emploi - Nous recherchons un - Retour la liste des offres - Contrat - CDI (Permanent) Horaires - Temps plein - Localisation - Londres, Angleterre, Royaume-Uni - Marque - Métier - Informatique - Mise jour le 09.10.2025 - Our company purpose is to contribute to a responsible and sustainable economy by financing and advising clients according to the highest ethical standards. * Being a great place to work * Committed to sustainability and having a positive impact * Being dedicated to the development of our people - Business area - Global Markets (GM) IT Risk and P&L development consists of approximately 300 people spread between London, Paris, New York, India and Asia, developing software to support systems for Risk, P&L and Financial Resources data for Global Markets. Within the GM IT Risk and P&L development, the Data Services team are responsibl
Accueil - Nos offres d'emploi - Nous recherchons un - Retour la liste des offres - Contrat - CDI (Permanent) Horaires - Temps plein - Localisation - Londres, Angleterre, Royaume-Uni - Marque - Métier - Informatique - Mise jour le 09.10.2025 - Our company purpose is to contribute to a responsible and sustainable economy by financing and advising clients according to the highest ethical standards. * Being a great place to work * Committed to sustainability and having a positive impact * Being dedicated to the development of our people - Business area - Global Markets (GM) IT Risk and P&L development consists of approximately 300 people spread between London, Paris, New York, India and Asia, developing software to support systems for Risk, P&L and Financial Resources data for Global Markets. Within the GM IT Risk and P&L development, the Data Services team are responsibl