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23 API jobs in Oxfordshire + 20 miles
213 exact matches jobs are outside your preferred location
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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 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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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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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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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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Additionally, our apps and API are trusted by tens of thousands of drivers and fleets including Blue Badge innovators Motability Operations.
Additionally, our apps and API are trusted by tens of thousands of drivers and fleets including Blue Badge innovators Motability Operations.
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Senior Back End Developer .NET - Fintech Remote - Senior Back End Developer .NET wanted as our team is growing fast! Calling highly motivated, bright candidates who are looking for a career at an exciting award winning FinTech firm! Company: Wealth Dynamix - Role: Senior Back End Developer .NET - Location: London - Start Date: ASAP - Would you like to join one of the fastest growing FinTech firms in Europe? We are looking for an analytical self-starter with experience in Dotnet (.NET) software development. If you are passionate about digital transformation and keen to learn about delivering the market leading Client Lifecycle Managing solution to the Wealth Management industry, apply now! Who are we? * Wealth Dynamix helps to relieve the burden of client management issues for wealth management and private banking firms with innovative technology.
Senior Back End Developer .NET - Fintech Remote - Senior Back End Developer .NET wanted as our team is growing fast! Calling highly motivated, bright candidates who are looking for a career at an exciting award winning FinTech firm! Company: Wealth Dynamix - Role: Senior Back End Developer .NET - Location: London - Start Date: ASAP - Would you like to join one of the fastest growing FinTech firms in Europe? We are looking for an analytical self-starter with experience in Dotnet (.NET) software development. If you are passionate about digital transformation and keen to learn about delivering the market leading Client Lifecycle Managing solution to the Wealth Management industry, apply now! Who are we? * Wealth Dynamix helps to relieve the burden of client management issues for wealth management and private banking firms with innovative technology.
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Experience building API-driven services that integrate with frontends or mobile clients.
Experience building API-driven services that integrate with frontends or mobile clients.
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E2E Solution Architect Telecom Sales and Fulfilment Birmingham
E2E Solution Architect Telecom Sales and Fulfilment Birmingham
Infosys
Birmingham, West Midlands
Competitive
Role E2E Solution Designer/Solution Architect Telecom Sales and Fulfilment - Location - Birmingham, United Kingdom - Domain - Domain |Telecom |OSS/BSS - Unit - CMEADMROW - Area of expertise Extensive technical / customer experience design expertise in Telecom Sales and fulfilment across Broadband and Voice products. Job Description - Infosys is looking for Sales and Fulfilment solution Designer/Architect who should be able to interact effectively with Customers, business stakeholders and product owners to understand solutions and challenges in complete Telecom Sales to Fulfillment Journey and effectively discuss about possible solutions. Define the high- and low-level solution architecture and impacts on various capabilities covering complete BSS/OSS stack. Required * 12+ years of experience in working with Telecom clients in the role of e2e solution design and soluti
Role E2E Solution Designer/Solution Architect Telecom Sales and Fulfilment - Location - Birmingham, United Kingdom - Domain - Domain |Telecom |OSS/BSS - Unit - CMEADMROW - Area of expertise Extensive technical / customer experience design expertise in Telecom Sales and fulfilment across Broadband and Voice products. Job Description - Infosys is looking for Sales and Fulfilment solution Designer/Architect who should be able to interact effectively with Customers, business stakeholders and product owners to understand solutions and challenges in complete Telecom Sales to Fulfillment Journey and effectively discuss about possible solutions. Define the high- and low-level solution architecture and impacts on various capabilities covering complete BSS/OSS stack. Required * 12+ years of experience in working with Telecom clients in the role of e2e solution design and soluti
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Experience with API design (e.g. Swagger) and championing well-defined and documented APIs.
Experience with API design (e.g. Swagger) and championing well-defined and documented APIs.
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We are building the first European Investment API that empowers businesses to offer seamless investment experiences to their users. We are looking for a full-time Head of Engineering to help us build a securities API for financial institutions, the first API of that kind in Europe. These teams are responsible for critical domains such as Orders, Trading Partner integrations, Position, and Wealth Management, all of which are essential for Upvests Investment API. The Brokerage Tribe plays a crucial role in the Investment API Platform, overseeing a wide range of user journey aspects. * Assume ownership of business-critical components within the Investment API, influencing its roadmap and delivering strategic impact to establish Upvest as a reliable partner. * Experience
We are building the first European Investment API that empowers businesses to offer seamless investment experiences to their users. We are looking for a full-time Head of Engineering to help us build a securities API for financial institutions, the first API of that kind in Europe. These teams are responsible for critical domains such as Orders, Trading Partner integrations, Position, and Wealth Management, all of which are essential for Upvests Investment API. The Brokerage Tribe plays a crucial role in the Investment API Platform, overseeing a wide range of user journey aspects. * Assume ownership of business-critical components within the Investment API, influencing its roadmap and delivering strategic impact to establish Upvest as a reliable partner. * Experience
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Mentor AI Application Engineers and other team members, guiding them on backend, API, and AI/ML integration patterns. * Strong knowledge of SaaS integrations and API development (REST, GraphQL).
Mentor AI Application Engineers and other team members, guiding them on backend, API, and AI/ML integration patterns. * Strong knowledge of SaaS integrations and API development (REST, GraphQL).
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Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? Were building the first European Investment API to enable any financial institution offering a wide range of efficient and transparent investment products, such as stocks and ETFs in nominal, portfolio, and fractional form. * Continuous learning: The complex yet fascinating field of investments, building an API product on a state-of-the-art tech stack, and working with the most relevant fintechs and financial institutions provide for an incredibly rewarding learning experience.
Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? Were building the first European Investment API to enable any financial institution offering a wide range of efficient and transparent investment products, such as stocks and ETFs in nominal, portfolio, and fractional form. * Continuous learning: The complex yet fascinating field of investments, building an API product on a state-of-the-art tech stack, and working with the most relevant fintechs and financial institutions provide for an incredibly rewarding learning experience.
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