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28 API jobs in Welwyn Garden City + 20 miles
274 exact matches jobs are outside your preferred location
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At the heart of this new application is allowing extensibility via the integration of the Python framework alongside a set of open API's that give access to core functionality of the application. This project would be responsible for proving the early stage integration of our new pre & post processing application and other tooling into a wider workflow by leveraging our initial extensibility framework and API's.
At the heart of this new application is allowing extensibility via the integration of the Python framework alongside a set of open API's that give access to core functionality of the application. This project would be responsible for proving the early stage integration of our new pre & post processing application and other tooling into a wider workflow by leveraging our initial extensibility framework and API's.
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This role requires a deep understanding of cloud infrastructure, API management, and continuous integration and deployment practices. * Build, deploy, and monitor solutions using AWS services such as Lambda, API Gateway, CloudWatch, ECS, ECR, DynamoDB, and S3. * Execute and manage the end-to-end application lifecycle using Apigee Edge and X-API strategy. * Perform API strategy execution, provide technical support, and generate insights through analytical reports. * Strong knowledge of the Apigee platform or any APM (API Management) platform and its components. * Ability to generate custom analytical reports for API consumption and error tracking. * Familiarity with API security and access control mechanisms (OAuth, API keys, JWT, etc.
This role requires a deep understanding of cloud infrastructure, API management, and continuous integration and deployment practices. * Build, deploy, and monitor solutions using AWS services such as Lambda, API Gateway, CloudWatch, ECS, ECR, DynamoDB, and S3. * Execute and manage the end-to-end application lifecycle using Apigee Edge and X-API strategy. * Perform API strategy execution, provide technical support, and generate insights through analytical reports. * Strong knowledge of the Apigee platform or any APM (API Management) platform and its components. * Ability to generate custom analytical reports for API consumption and error tracking. * Familiarity with API security and access control mechanisms (OAuth, API keys, JWT, etc.
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Strong application security background (OWASP Top 10, API security).
Strong application security background (OWASP Top 10, API security).
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Perform API testing and ensure robust validation of service integrations. * Experience in API testingand service virtualisation.
Perform API testing and ensure robust validation of service integrations. * Experience in API testingand service virtualisation.
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Experience in API and BDD testing
Experience in API and BDD testing
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Drive Automation across all areas in testing (Unit, Spec, API, Integration, Infrastructure, etc) * API: Postman
Drive Automation across all areas in testing (Unit, Spec, API, Integration, Infrastructure, etc) * API: Postman
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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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Build, deploy, and monitor solutions using AWS services (Lambda, API Gateway, CloudWatch, ECS, ECR, DynamoDB, S3, etc.). * Design, develop, and manage applications tailored to business needs while customizing platforms and overseeing the API lifecycle using Apigee Edge and X-API strategy. * Manage and secure Apigee or similar API Management platforms, ensuring API governance, performance optimization, and compliance. * Implement and enforce API security and access controls using OAuth, API keys, JWT, and other authentication mechanisms. * Strong knowledge of API security, OAuth, JWT, and API Gateway policies. * Solid knowledge of Apigee or similar API Management platforms. * Ability to design and impl
Build, deploy, and monitor solutions using AWS services (Lambda, API Gateway, CloudWatch, ECS, ECR, DynamoDB, S3, etc.). * Design, develop, and manage applications tailored to business needs while customizing platforms and overseeing the API lifecycle using Apigee Edge and X-API strategy. * Manage and secure Apigee or similar API Management platforms, ensuring API governance, performance optimization, and compliance. * Implement and enforce API security and access controls using OAuth, API keys, JWT, and other authentication mechanisms. * Strong knowledge of API security, OAuth, JWT, and API Gateway policies. * Solid knowledge of Apigee or similar API Management platforms. * Ability to design and impl
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Design and architect full-stack automation frameworks covering Web, Mobile, API, Digital, and Database testing. Deep expertise in full-stack test automation: Web, API, Mobile/Digital, Database, and TDM solutions.
Design and architect full-stack automation frameworks covering Web, Mobile, API, Digital, and Database testing. Deep expertise in full-stack test automation: Web, API, Mobile/Digital, Database, and TDM solutions.
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Build and work with modern API and microservices architectures
Build and work with modern API and microservices architectures
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Large Language API's (from 2021) * Assisting with the maintenance and iteration of a FastAPI-based web API hosted on AWS.
Large Language API's (from 2021) * Assisting with the maintenance and iteration of a FastAPI-based web API hosted on AWS.
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Rapidly learn complex API syntaxes and interfaces, understand their business context, and keep pace with ongoing changes.
Rapidly learn complex API syntaxes and interfaces, understand their business context, and keep pace with ongoing changes.
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Senior Solution Architect
Senior Solution Architect
UK Health Security Agency
Canary Wharf, E14 4PU
From £54,416 to £68,344 per annum
The United Kingdom Health Security Agency (UKHSA) is a system leader for health security; taking action internationally to strengthen global health security, providing trusted advice to government and the public and reducing inequalities in the way different communities experience and are impacted by infectious disease, environmental hazards, and other threats to health. UKHSAs remit, as an agency with a global-to-local reach, is to protect the health of the nation from infectious diseases and other external threats to health. * Prevent: anticipate threats to health and help build the nations readiness, defences and health security * Detect: use cutting edge environmental and biological surveillance to proactively detect and monitor infectious diseases and threats to health * Analyse: use world-class science and data analytics to assess and continually monitor threats
The United Kingdom Health Security Agency (UKHSA) is a system leader for health security; taking action internationally to strengthen global health security, providing trusted advice to government and the public and reducing inequalities in the way different communities experience and are impacted by infectious disease, environmental hazards, and other threats to health. UKHSAs remit, as an agency with a global-to-local reach, is to protect the health of the nation from infectious diseases and other external threats to health. * Prevent: anticipate threats to health and help build the nations readiness, defences and health security * Detect: use cutting edge environmental and biological surveillance to proactively detect and monitor infectious diseases and threats to health * Analyse: use world-class science and data analytics to assess and continually monitor threats
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Lead .Net Software Developer
Lead .Net Software Developer
Hireful
Milton Keynes, Buckinghamshire
£65k - £75k base salary plus Bonus and awesome benefits
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
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API analysis and design
API analysis and design
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Experience with API development and integration
Experience with API development and integration
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Senior Technical Business Analyst
Senior Technical Business Analyst
REC SOLUTIONS LIMITED
The City, EC4
Competitive base salary plus bonus and benefits
Technical documentation Produce and maintain detailed technical and functional documentation, including API specifications, configuration workflows, and integration guides. * Proven ability to produce and maintain high-quality technical documentation and API specifications suitable for both engineering and client consumption.
Technical documentation Produce and maintain detailed technical and functional documentation, including API specifications, configuration workflows, and integration guides. * Proven ability to produce and maintain high-quality technical documentation and API specifications suitable for both engineering and client consumption.
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Experience in data engineering, modelling and API design, ensuring scalable and reusable data structures * Experience creating and contributing to key data architecture artefacts, including ERDs, semantic layer designs, data flow documentation, API specs and metadata management
Experience in data engineering, modelling and API design, ensuring scalable and reusable data structures * Experience creating and contributing to key data architecture artefacts, including ERDs, semantic layer designs, data flow documentation, API specs and metadata management
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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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Job title: Lead Integration Developer - Location: London, UK - Job type: Contract (Inside IR35) About the Role As a Lead Integration Developer, you will be responsible for designing, developing, and maintaining integration solutions across various platforms, including Guidewire InsuranceSuite and other core systems. You will lead a team of developers, collaborate with stakeholders, and ensure the delivery of integration projects that meet business and technical requirements. What will you do? * Lead the design and implementation of integration solutions using APIs, web services, and messaging systems. * Collaborate with business analysts and architects to define integration requirements and strategies. * Develop and maintain integration components using technologies such as Java, REST/JSON, XML, and Enterprise Messaging Systems.
Job title: Lead Integration Developer - Location: London, UK - Job type: Contract (Inside IR35) About the Role As a Lead Integration Developer, you will be responsible for designing, developing, and maintaining integration solutions across various platforms, including Guidewire InsuranceSuite and other core systems. You will lead a team of developers, collaborate with stakeholders, and ensure the delivery of integration projects that meet business and technical requirements. What will you do? * Lead the design and implementation of integration solutions using APIs, web services, and messaging systems. * Collaborate with business analysts and architects to define integration requirements and strategies. * Develop and maintain integration components using technologies such as Java, REST/JSON, XML, and Enterprise Messaging Systems.
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Location: Esher (two days WFH) Must have Right to Work in the UK (cannot provide sponsorship) This person will contribute directly to the organisations digital transformation roadmap by embedding automation and AI into our operations and business. This will involve building AI-powered conversational agents and automating business processes using Microsoft Power Platform tools like Power Apps, Power Automate, and Power Virtual Agents (part of Microsoft Copilot Studio). * Chatbot Development: Design, build, and implement AI chatbots using Power Virtual Agents/Copilot Studio to streamline interactions and automate tasks. * Process Automation: Create automated workflows and processes using Power Automate to improve efficiency and reduce manual tasks, often incorporating AI capabilities. * Application Development: Develop intelligent business applications with Power Apps,
Location: Esher (two days WFH) Must have Right to Work in the UK (cannot provide sponsorship) This person will contribute directly to the organisations digital transformation roadmap by embedding automation and AI into our operations and business. This will involve building AI-powered conversational agents and automating business processes using Microsoft Power Platform tools like Power Apps, Power Automate, and Power Virtual Agents (part of Microsoft Copilot Studio). * Chatbot Development: Design, build, and implement AI chatbots using Power Virtual Agents/Copilot Studio to streamline interactions and automate tasks. * Process Automation: Create automated workflows and processes using Power Automate to improve efficiency and reduce manual tasks, often incorporating AI capabilities. * Application Development: Develop intelligent business applications with Power Apps,
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SeniorPower Platform developer
SeniorPower Platform developer
Halian Technology Limited
W1, Central London
From £70,000 to £85,000 per annum Plus bonus and benefits
My client is an award-winning and market-leading insights and solutions provider across pensions and financial services, energy, health, and analytics. The Opportunity - We're looking for an experienced and innovativePower Platform Developerto join my clients growing team. Youll play a key role in designing, developing, and supporting scalable, user-friendly business applications, automation workflows, and analytics solutions using Microsoft Power Platform. This is a fantastic opportunity to work across a diverse range of business areas, collaborating closely with stakeholders to drive digital transformation and operational efficiency. Key Responsibilities * Design, build, and maintain custom business applications usingPower Apps * Develop and enhance workflows and automations withPower Automate * Create interactive dashboards and data visualisations usingPower BI
My client is an award-winning and market-leading insights and solutions provider across pensions and financial services, energy, health, and analytics. The Opportunity - We're looking for an experienced and innovativePower Platform Developerto join my clients growing team. Youll play a key role in designing, developing, and supporting scalable, user-friendly business applications, automation workflows, and analytics solutions using Microsoft Power Platform. This is a fantastic opportunity to work across a diverse range of business areas, collaborating closely with stakeholders to drive digital transformation and operational efficiency. Key Responsibilities * Design, build, and maintain custom business applications usingPower Apps * Develop and enhance workflows and automations withPower Automate * Create interactive dashboards and data visualisations usingPower BI
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Senior Data Architect
Senior Data Architect
Cambridge University Press & Assessment
CB2, Cambridge, CB2 8BS
From £70,400 to £94,100 per annum
Job Title:Senior Data Architect - Salary:£70,400 - £94,100 - Location:Cambridge/Hybrid with office attendance for an average of 2 days a week - Contract:Permanent - Shape the future of data and AI at Cambridge University Press & Assessment - We are Cambridge University Press & Assessment, a world-leading academic publisher and assessment organisation and a proud part of the University of Cambridge. About the role - As a SeniorData Architect, you will play a pivotal role in delivering a coherent and scalable data framework aligned with our enterprise data strategy. You'll advance key architectural principles such as data mesh, data products, and data contracts, while enabling the strategic use of Artificial Intelligence (AI) and Generative AI (GenAI) across the organisation. You'll beresponsible for promoting the data strategy, securing stakeholder buy-in, and defining
Job Title:Senior Data Architect - Salary:£70,400 - £94,100 - Location:Cambridge/Hybrid with office attendance for an average of 2 days a week - Contract:Permanent - Shape the future of data and AI at Cambridge University Press & Assessment - We are Cambridge University Press & Assessment, a world-leading academic publisher and assessment organisation and a proud part of the University of Cambridge. About the role - As a SeniorData Architect, you will play a pivotal role in delivering a coherent and scalable data framework aligned with our enterprise data strategy. You'll advance key architectural principles such as data mesh, data products, and data contracts, while enabling the strategic use of Artificial Intelligence (AI) and Generative AI (GenAI) across the organisation. You'll beresponsible for promoting the data strategy, securing stakeholder buy-in, and defining
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Full Stack Engineer / Developer (JavaScript Vue.js Python) London to £100k - Do you enjoy working with a range of programming languages? You could be progressing your career in a senior, hands-on Full Stack Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Full Stack Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front en
Full Stack Engineer / Developer (JavaScript Vue.js Python) London to £100k - Do you enjoy working with a range of programming languages? You could be progressing your career in a senior, hands-on Full Stack Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Full Stack Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front en
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AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom Hybrid (3 days at the office) Employment Type: Full-time regular (flexible working options available) The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ens
AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom Hybrid (3 days at the office) Employment Type: Full-time regular (flexible working options available) The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ens
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