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22 API jobs in Oxfordshire + 20 miles
224 exact matches jobs are outside your preferred location
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Location: Hybrid Working London Office/Remote - Reporting to: Engineering Manager - We are seeking innovative Linux Systems Engineer to help shape the next generation of secure endpoint solutions. This role is open to both experienced engineers ready to tackle complex challenges and mid-level engineers eager to learn, grow, and innovate. You will work at the intersection of Linux internals, networking, virtualisation, and security, building solutions for high-profile clients. The work you do will contribute to endpoint technologies that will set the direction for the next decadejust as todays established solutions set the standard a decade ago. * Linux OS Development: Design, develop, and maintain Linux-based operating systems with a strong emphasis on security, performance, and reliability. * System & Security Engineering: Work with Linux distributions, kernel-level
Location: Hybrid Working London Office/Remote - Reporting to: Engineering Manager - We are seeking innovative Linux Systems Engineer to help shape the next generation of secure endpoint solutions. This role is open to both experienced engineers ready to tackle complex challenges and mid-level engineers eager to learn, grow, and innovate. You will work at the intersection of Linux internals, networking, virtualisation, and security, building solutions for high-profile clients. The work you do will contribute to endpoint technologies that will set the direction for the next decadejust as todays established solutions set the standard a decade ago. * Linux OS Development: Design, develop, and maintain Linux-based operating systems with a strong emphasis on security, performance, and reliability. * System & Security Engineering: Work with Linux distributions, kernel-level
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Job Title: Primavera Technical Consultant * Mode: Hybrid * Onsite Requirement: 3 days per week * Location: Coventry, UK * 3+ implementation project experience * Experience in UK water and energy industries will be an added advantage * Design, develop, and support integrations between Primavera (Unifier, OPC) and enterprise systems (ERP, EDMS, MS Project, P6, etc.) * Develop and maintain REST/SOAP-based APIs, web services, and middleware components for seamless data exchange * Provide regular status reporting to the program manager * Prepare discovery documentation, take notes, process map, and get validation from customer stakeholders * Document Primavera technical requirements, design, and deliverables * 3+ end-to-end implementation project experience in integrated Oracle Unifier and Primavera Cloud
Job Title: Primavera Technical Consultant * Mode: Hybrid * Onsite Requirement: 3 days per week * Location: Coventry, UK * 3+ implementation project experience * Experience in UK water and energy industries will be an added advantage * Design, develop, and support integrations between Primavera (Unifier, OPC) and enterprise systems (ERP, EDMS, MS Project, P6, etc.) * Develop and maintain REST/SOAP-based APIs, web services, and middleware components for seamless data exchange * Provide regular status reporting to the program manager * Prepare discovery documentation, take notes, process map, and get validation from customer stakeholders * Document Primavera technical requirements, design, and deliverables * 3+ end-to-end implementation project experience in integrated Oracle Unifier and Primavera Cloud
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At Tata Technologies we make product development dreams a reality by designing, engineering and validating the products of tomorrow for the worlds leading manufacturers. Due to our continued growth we are now recruiting for an EDU Systems Engineer to be based at our customers site in Gaydon. Our Embedded Systems Solutions department (ESS) encompasses all activities outlined under the Automotive SPICE (ASPICE) process framework, including systems engineering, software engineering, coding, and all levels of functional testing. Beyond core development, ESS also integrates critical supporting processes such as project management, risk assessment, functional safety, and cybersecurity, ensuring compliance with ASPICE standards and delivering reliable, secure, and high-quality embedded systems & solutions.
At Tata Technologies we make product development dreams a reality by designing, engineering and validating the products of tomorrow for the worlds leading manufacturers. Due to our continued growth we are now recruiting for an EDU Systems Engineer to be based at our customers site in Gaydon. Our Embedded Systems Solutions department (ESS) encompasses all activities outlined under the Automotive SPICE (ASPICE) process framework, including systems engineering, software engineering, coding, and all levels of functional testing. Beyond core development, ESS also integrates critical supporting processes such as project management, risk assessment, functional safety, and cybersecurity, ensuring compliance with ASPICE standards and delivering reliable, secure, and high-quality embedded systems & solutions.
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Halian Technology are searching for an Lead Android Engineerto join our clients forward-thinking mobile team. Our client isone of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists. * Champion Android best practices including Accessibility, CI/CD, TDD, and clean architecture.
Halian Technology are searching for an Lead Android Engineerto join our clients forward-thinking mobile team. Our client isone of the UKs most trusted and innovative omni-channel retailers, where technology and customer experience go hand in hand. If youre passionate about delivering high-quality mobile experiences and want to work with modern tools, great people, and at a company where learning and development are core valuesthis is the role for you. * Influence architecture and development strategy within a high-performing Agile squad. * Provide technical assurance and guidance across complex, high-impact projects. * Collaborate cross-functionally with iOS Engineers, BAs, QAs, Designers, and UX Specialists. * Champion Android best practices including Accessibility, CI/CD, TDD, and clean architecture.
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Full Stack Developer Node.Js / React
Full Stack Developer Node.Js / React
Halian Technology Limited
W1, Central London
From £60,000 to £65,000 per annum Plus bonus and benefits
My client specialises in digital payments across the UK and Europe. Their platform enables seamless real-time transactions for consumers and businesses, with a focus on security, scalability, and user experience. Backed by top-tier investors and used by thousands daily, were scaling up and looking for passionate engineers to help us build the future of payments. We are seeking a talented and driven Mid-Level Full Stack Engineer with strong skills in Node.js, React, and AWS cloud infrastructure. Youll play a key role in designing, developing, and maintaining scalable microservices and user interfaces for our core payments platform. Youll work in a cross-functional agile team alongside product managers, designers, and fellow engineers to deliver features that directly impact our customers and partners. * Develop backend microservices using Node.js (Express/Nest.js prefe
My client specialises in digital payments across the UK and Europe. Their platform enables seamless real-time transactions for consumers and businesses, with a focus on security, scalability, and user experience. Backed by top-tier investors and used by thousands daily, were scaling up and looking for passionate engineers to help us build the future of payments. We are seeking a talented and driven Mid-Level Full Stack Engineer with strong skills in Node.js, React, and AWS cloud infrastructure. Youll play a key role in designing, developing, and maintaining scalable microservices and user interfaces for our core payments platform. Youll work in a cross-functional agile team alongside product managers, designers, and fellow engineers to deliver features that directly impact our customers and partners. * Develop backend microservices using Node.js (Express/Nest.js prefe
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Service Management Specialist - SC Cleared - £570p/d Inside IR35 - Onsite
Service Management Specialist - SC Cleared - £570p/d Inside IR35 - Onsite
Exalto Consulting ltd
SN13, Corsham
£550 - £570p/d Inside IR35
Service Management Specialist (Atlassian / ITSM) – Contract - Location: Wiltshire (On-site) Rate: Up to £570 per day (Inside IR35) Duration: 6 Months - Clearance: Active SC required; must be sole British national and eligible for DV - A secure government programme requires a Service Management Specialist with strong Atlassian administration skills to support IT Service Management and Agile delivery. You’ll configure, optimise, and maintain Jira Service Management, Jira Software, and Confluence to ensure efficient service delivery and operational excellence. Key Responsibilities * Configure and manage Jira Service Management workflows, automations, and assets (Insight). * Create and support Jira Software projects, boards, and reports for Agile teams. * Maintain a Confluence Knowledge Base for documentation and self-service.
Service Management Specialist (Atlassian / ITSM) – Contract - Location: Wiltshire (On-site) Rate: Up to £570 per day (Inside IR35) Duration: 6 Months - Clearance: Active SC required; must be sole British national and eligible for DV - A secure government programme requires a Service Management Specialist with strong Atlassian administration skills to support IT Service Management and Agile delivery. You’ll configure, optimise, and maintain Jira Service Management, Jira Software, and Confluence to ensure efficient service delivery and operational excellence. Key Responsibilities * Configure and manage Jira Service Management workflows, automations, and assets (Insight). * Create and support Jira Software projects, boards, and reports for Agile teams. * Maintain a Confluence Knowledge Base for documentation and self-service.
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• Understanding of C#, ASP.NET MVC/Core/Blazor, Web API, and Entity Framework for backend development.
• Understanding of C#, ASP.NET MVC/Core/Blazor, Web API, and Entity Framework for backend development.
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Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
Build, fine-tune, and evaluate LLM-based Q&A models using frameworks like AWS Bedrock, Langchain, HuggingFace Transformers or OpenAI API.
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Experience building maintainable and testable code bases, including API design and unit testing techniques
Experience building maintainable and testable code bases, including API design and unit testing techniques
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Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and its eco system, Git, NoSQL products and concepts (Dynamo, column family, etc.)
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4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
4+ years automation testing skills (Selenium, Katalon, GT-UI, GT-API). * Web services testing / API testing skills is a plus.
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Mastering CI/CD in QTC a three-part guide to deployment. Part 3 using Qlik API to deploy dev changes to production
Mastering CI/CD in QTC a three-part guide to deployment. Part 3 using Qlik API to deploy dev changes to production
Ometis Limited
Birmingham, West Midlands
Competitive
Love travel, planning and making a difference? This role could change your Mondays. You're the kind of person who thrives on organising things well-down to the last detail. You enjoy working with people, juggling priorities, and solving the occasional curveball calmly. But let's be honest-you also want a job where you're treated like a human, not a robot. You want a proper work-life balance, good people around you, and maybe even a few perks that make the day feel better. Sound like you? Keep reading. What You'll Be Doing You'll be coordinating group travel experiences across the UK, Europe and Worldwide-mostly for young people and schools-making sure every part of the trip runs smoothly. Think: booking coaches, hotels, experiences, and liaising with customers to tailor trips they'll remember forever.
Love travel, planning and making a difference? This role could change your Mondays. You're the kind of person who thrives on organising things well-down to the last detail. You enjoy working with people, juggling priorities, and solving the occasional curveball calmly. But let's be honest-you also want a job where you're treated like a human, not a robot. You want a proper work-life balance, good people around you, and maybe even a few perks that make the day feel better. Sound like you? Keep reading. What You'll Be Doing You'll be coordinating group travel experiences across the UK, Europe and Worldwide-mostly for young people and schools-making sure every part of the trip runs smoothly. Think: booking coaches, hotels, experiences, and liaising with customers to tailor trips they'll remember forever.
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As the leader of the Shipping Platform product, you will guide a team of product managers in delivering cutting-edge solutions across both mobile, web and API platforms at a global scale, ensuring alignment with eBays strategic goals around driving GMV and revenues.
As the leader of the Shipping Platform product, you will guide a team of product managers in delivering cutting-edge solutions across both mobile, web and API platforms at a global scale, ensuring alignment with eBays strategic goals around driving GMV and revenues.
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You may also be asked to support the testing of releases for our Client API and Mobile Application. * API testing - building out automated test coverage of our RESTful Client API * Collaborate with the external contractor QA resource on specific projects (e.g. automating API testing) and as an additional resource when required
You may also be asked to support the testing of releases for our Client API and Mobile Application. * API testing - building out automated test coverage of our RESTful Client API * Collaborate with the external contractor QA resource on specific projects (e.g. automating API testing) and as an additional resource when required
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Deep understanding of AWS services such as Lambda, DynamoDB, S3, API Gateway and CloudFormation
Deep understanding of AWS services such as Lambda, DynamoDB, S3, API Gateway and CloudFormation
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PCON E2E Solution Architect Telecom Sales and Fulfilment Birming
PCON E2E Solution Architect Telecom Sales and Fulfilment Birming
Infosys
Birmingham, West Midlands
Competitive
Knowledge of web API's, SOAP, REST architecture
Knowledge of web API's, SOAP, REST architecture
Wallarm is the only solution that unifies best-in-class API Security and WAAP (Next-Gen WAF) capabilities to protect your entire API and web application portfolio in multi-cloud and cloud-native environments. * Recommend API security best practices, application architectures, platforms and application infrastructure required to successfully implement a complete API security solution based on Wallarm - Prior experience in API security, API management, SIEM, Software Development, DevOps, DevSecOps, or web application firewalls is preferred
Wallarm is the only solution that unifies best-in-class API Security and WAAP (Next-Gen WAF) capabilities to protect your entire API and web application portfolio in multi-cloud and cloud-native environments. * Recommend API security best practices, application architectures, platforms and application infrastructure required to successfully implement a complete API security solution based on Wallarm - Prior experience in API security, API management, SIEM, Software Development, DevOps, DevSecOps, or web application firewalls is preferred
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London/Hybrid - Slalom is a global, human-centric business and technology consulting firm. We specialise in partnering with organisations that aspire to excellence, helping them tackle complex challenges and achieve transformative results through strategy, technology, and business transformation services. By prioritising people, Slalom creates a unique consulting experience, with a team of strategists and engineers delivering practical, end-to-end solutions that drive impactful outcomes for our clients. We empower people and organisations to dream bigger, move faster, and build better tomorrows for all. Our Software Engineering team builds the core applications and services that power our products and deliver value to users around the world. We focus on creating scalable, secure, and high-performance systems that enable rapid innovation and seamless user experiences.
London/Hybrid - Slalom is a global, human-centric business and technology consulting firm. We specialise in partnering with organisations that aspire to excellence, helping them tackle complex challenges and achieve transformative results through strategy, technology, and business transformation services. By prioritising people, Slalom creates a unique consulting experience, with a team of strategists and engineers delivering practical, end-to-end solutions that drive impactful outcomes for our clients. We empower people and organisations to dream bigger, move faster, and build better tomorrows for all. Our Software Engineering team builds the core applications and services that power our products and deliver value to users around the world. We focus on creating scalable, secure, and high-performance systems that enable rapid innovation and seamless user experiences.
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Provide expertise in the planning, constructing and execution of test scripts from the initial stages of the project until the implementation of the product (Web, Mobile, and API)
Provide expertise in the planning, constructing and execution of test scripts from the initial stages of the project until the implementation of the product (Web, Mobile, and API)
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.Net Full Stack Engineer - Consultant/Senior Consultant - Digital Excellence
.Net Full Stack Engineer - Consultant/Senior Consultant - Digital Excellence
Capgemini Invent
London
Competitive
At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose. Our C#/.NET Full Stack Engineers are responsible for creating the visions of our clients and driving better business outcomes. They are tasked with building cutting-edge digital solutions for our clients, combining a clear understanding of business value and a consultative approach to make the difference. They will be able to work on a vast variety of projects and get exposure to a variety of technology such as (but not
At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose. Our C#/.NET Full Stack Engineers are responsible for creating the visions of our clients and driving better business outcomes. They are tasked with building cutting-edge digital solutions for our clients, combining a clear understanding of business value and a consultative approach to make the difference. They will be able to work on a vast variety of projects and get exposure to a variety of technology such as (but not
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Lead Java Engineer - IBM Sterling OMS & Sterling Intelligent Promising (SIP)
Lead Java Engineer - IBM Sterling OMS & Sterling Intelligent Promising (SIP)
Mindera
London
Competitive
Familiarity with API-based orchestration between OMS, SIP, and external fulfilment or inventory systems.
Familiarity with API-based orchestration between OMS, SIP, and external fulfilment or inventory systems.
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Strong background in test automation ((Playwright, Appium, API,etc.)
Strong background in test automation ((Playwright, Appium, API,etc.)
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Senior Site Reliability Engineer, Managed Kubernetes - Europe
Senior Site Reliability Engineer, Managed Kubernetes - Europe
Lambda Group Limited
London
£161,000 - £310,000 a year
Proven experience provisioning Kubernetes using tools such as kubeadm, Cluster API, or similar
Proven experience provisioning Kubernetes using tools such as kubeadm, Cluster API, or similar
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[Nice to have] Experience in FinTech, Payments, or API-first companies
[Nice to have] Experience in FinTech, Payments, or API-first companies
Checking and investigating any issues with files (API) flow to and from the connected systems
Checking and investigating any issues with files (API) flow to and from the connected systems