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Locations
Locations
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5 API jobs in Cambridgeshire + 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
NEWPREMIUM
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Strong understanding of API testing, performance profiling, and security testing
Strong understanding of API testing, performance profiling, and security testing
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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.
VIAVI Rotational Program – Graduate Development Engineer (FPGA / RF / AI)
VIAVI Rotational Program – Graduate Development Engineer (FPGA / RF / AI)
JDSU
Stevenage, Hertfordshire
Competitive
Please note - This program starts in July 2026 - VIAVI (NASDAQ: VIAV) is a global provider of network test, monitoring and assurance solutions for telecommunications, cloud, enterprises, first responders, military, aerospace, and railway. VIAVI is also a leader in light management technologies for 3D sensing, anti-counterfeiting, consumer electronics, industrial, automotive, government and aerospace applications. We are the people behind the products that help keep the world connected at home, school, work, at play, and everywhere in between. VIAVI employees are passionate about supporting customer success and we welcome people who bring their best every day to the company to question, to collaborate and to push for solutions that will delight our customers. Program Overview - Kick-start your professional adventure in our R&D Excellence Centers by joining multiple exp
Please note - This program starts in July 2026 - VIAVI (NASDAQ: VIAV) is a global provider of network test, monitoring and assurance solutions for telecommunications, cloud, enterprises, first responders, military, aerospace, and railway. VIAVI is also a leader in light management technologies for 3D sensing, anti-counterfeiting, consumer electronics, industrial, automotive, government and aerospace applications. We are the people behind the products that help keep the world connected at home, school, work, at play, and everywhere in between. VIAVI employees are passionate about supporting customer success and we welcome people who bring their best every day to the company to question, to collaborate and to push for solutions that will delight our customers. Program Overview - Kick-start your professional adventure in our R&D Excellence Centers by joining multiple exp
101 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).
FEATURED
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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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Position: AI Engineer / AI Agent / Backend AI Engineer - Location: Remote - Work Type: Contract - We're looking for an AI Engineer to design and deliver scalable AI/ML systems and agentic applications. You'll work on LLMs, RAG pipelines, model deployment, and cloud-native solutions that drive real-world impact. * Strong coding skills in Java / TypeScript /Python * Experience with LLMs, NLP, and ML frameworks (Hugging Face, PyTorch, TensorFlow, LangChain) * Cloud & DevOps expertise (AWS/Azure, Docker, Kubernetes, CI/CD pipelines) * Knowledge of microservices, APIs, distributed systems - Why join us? * Work on cutting-edge AI innovation * Collaborative, cross-functional environment * Competitive salary + growth opportunities - We encourage you to apply or send me your updated resume to nandiraju . b @ randstad . co. uk
Position: AI Engineer / AI Agent / Backend AI Engineer - Location: Remote - Work Type: Contract - We're looking for an AI Engineer to design and deliver scalable AI/ML systems and agentic applications. You'll work on LLMs, RAG pipelines, model deployment, and cloud-native solutions that drive real-world impact. * Strong coding skills in Java / TypeScript /Python * Experience with LLMs, NLP, and ML frameworks (Hugging Face, PyTorch, TensorFlow, LangChain) * Cloud & DevOps expertise (AWS/Azure, Docker, Kubernetes, CI/CD pipelines) * Knowledge of microservices, APIs, distributed systems - Why join us? * Work on cutting-edge AI innovation * Collaborative, cross-functional environment * Competitive salary + growth opportunities - We encourage you to apply or send me your updated resume to nandiraju . b @ randstad . co. uk
NEWFEATURED
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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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Microsoft Power Platform / Agentic AI Engineer
Microsoft Power Platform / Agentic AI Engineer
cer Financial
EC2M, City of London
£705 per day £705 per day (via Umbrella)
Microsoft 365 & Graph API Integration * Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel
Microsoft 365 & Graph API Integration * Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel
FEATURED
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
NEW
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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.
NEW
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
£50,000 - £75,000 DOE | Full-time, on-site | Start: ASAP - Join a global logistics company that's embracing the power of AI to transform the way it operates. This is an opportunity to be part of a forward-thinking team that's leveraging the latest in Large Language Models (LLMs) and automation to drive real business value. As an AI Solutions Engineer, you'll design, build, and implement intelligent automation solutions using cutting-edge AI technologies. Working closely with business stakeholders, you'll identify opportunities for innovation, prototype new ideas, and deliver scalable AI-driven systems that make a measurable impact. * Collaborating with business teams to uncover and define AI/automation opportunities. * Engineering and optimising prompts to ensure consistent, high-quality LLM outputs.
£50,000 - £75,000 DOE | Full-time, on-site | Start: ASAP - Join a global logistics company that's embracing the power of AI to transform the way it operates. This is an opportunity to be part of a forward-thinking team that's leveraging the latest in Large Language Models (LLMs) and automation to drive real business value. As an AI Solutions Engineer, you'll design, build, and implement intelligent automation solutions using cutting-edge AI technologies. Working closely with business stakeholders, you'll identify opportunities for innovation, prototype new ideas, and deliver scalable AI-driven systems that make a measurable impact. * Collaborating with business teams to uncover and define AI/automation opportunities. * Engineering and optimising prompts to ensure consistent, high-quality LLM outputs.
NEW
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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World Wide Technology (WWT), a global technology integrator and IT solutions provider. World Wide Technology, established in 1990 in St. Louis, Missouri, collaborates with OEMs like Cisco and Dell EMC to offer infrastructure security and custom app development services to Fortune 500 companies in various sectors. With over 10,000 employees globally, we generate $17 billion in annual revenue and operate in regions including the US, UK, Canada, Europe, Costa Rica, APAC, and Middle East. We're proud to be consistently recognized as a top employer by Fortune and Glassdoor for over 13 years. World Wide Technology Holding Co, LLC (WWT) has an opportunity for a AI Platform Operations Manager. Below is the JD for the role. Please help me with the information needed to process your application, and I will contact you to discuss the role. This is a contract Role & Outside IR35
World Wide Technology (WWT), a global technology integrator and IT solutions provider. World Wide Technology, established in 1990 in St. Louis, Missouri, collaborates with OEMs like Cisco and Dell EMC to offer infrastructure security and custom app development services to Fortune 500 companies in various sectors. With over 10,000 employees globally, we generate $17 billion in annual revenue and operate in regions including the US, UK, Canada, Europe, Costa Rica, APAC, and Middle East. We're proud to be consistently recognized as a top employer by Fortune and Glassdoor for over 13 years. World Wide Technology Holding Co, LLC (WWT) has an opportunity for a AI Platform Operations Manager. Below is the JD for the role. Please help me with the information needed to process your application, and I will contact you to discuss the role. This is a contract Role & Outside IR35
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Non-Functional Testing Engineer
Non-Functional Testing Engineer
McGregor Boyall Associates Limited
E1, East London
£75000 - £850000 per annum + + Additional Benefits
I'm supporting a client of mine in their search for a Non-Functional Testing Specialist to help define, shape, and manage their Non-Functional test requirements. *Please note that although Performance Testing is part of the role, this is a full-fledged Non-Functional Test Engineer role, covering Performance, Disaster Recovery, Microservices, Resilience, Alerting, Security & Monitoring.* As a specialist in non-functional testing, you will play a key role in supporting Product Owners by helping to define, refine, and manage non-functional test requirements. Collaborating closely with technical experts and analysts, you will convert these requirements into a comprehensive test strategy. You will also be responsible for ensuring that planning, preparation, and execution of the tests are carried out effectively and on schedule, in close coordination with the Infrastructure
I'm supporting a client of mine in their search for a Non-Functional Testing Specialist to help define, shape, and manage their Non-Functional test requirements. *Please note that although Performance Testing is part of the role, this is a full-fledged Non-Functional Test Engineer role, covering Performance, Disaster Recovery, Microservices, Resilience, Alerting, Security & Monitoring.* As a specialist in non-functional testing, you will play a key role in supporting Product Owners by helping to define, refine, and manage non-functional test requirements. Collaborating closely with technical experts and analysts, you will convert these requirements into a comprehensive test strategy. You will also be responsible for ensuring that planning, preparation, and execution of the tests are carried out effectively and on schedule, in close coordination with the Infrastructure
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Oracle Revenue Management Production Support Service Engineer
Oracle Revenue Management Production Support Service Engineer
DCV Technologies Limited
SE1, South East London
From £400 to £450 per day
Position Overview - We are seeking a skilled Service Engineer to provide comprehensive production support for Oracle Revenue Management, Receivables, and Intercompany processes. This role requires both financial accounting expertise and technical troubleshooting capabilities to ensure revenue recognition compliance and seamless system operations. Key Responsibilities - Revenue Recognition & Compliance - Support ASC 606/IFRS 15 revenue recognition principles in production systems - Troubleshoot and maintain Revenue Contracts, Performance Obligations, and Standalone Selling Price (SSP) calculations - Resolve issues with Revenue Deferrals, Revenue Allocations, and Adjustments - Ensure revenue compliance through Multi-Currency and Multi-GAAP Reporting - Assist with Deferred Revenue and Unbilled Revenue Accruals processing - Receive, analyze, and prioritize related support
Position Overview - We are seeking a skilled Service Engineer to provide comprehensive production support for Oracle Revenue Management, Receivables, and Intercompany processes. This role requires both financial accounting expertise and technical troubleshooting capabilities to ensure revenue recognition compliance and seamless system operations. Key Responsibilities - Revenue Recognition & Compliance - Support ASC 606/IFRS 15 revenue recognition principles in production systems - Troubleshoot and maintain Revenue Contracts, Performance Obligations, and Standalone Selling Price (SSP) calculations - Resolve issues with Revenue Deferrals, Revenue Allocations, and Adjustments - Ensure revenue compliance through Multi-Currency and Multi-GAAP Reporting - Assist with Deferred Revenue and Unbilled Revenue Accruals processing - Receive, analyze, and prioritize related support
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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