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15 Permanent API jobs in High Wycombe + 20 miles
251 exact matches jobs are outside your preferred location
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API integrations
API integrations
FEATURED
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Senior Software Developer
Senior Software Developer
Inspire People
CR2, South Croydon
£49600 - £60800 per annum + 29% pension + Civil Service benefits
Solid understanding of system design, API development and integration practices
Solid understanding of system design, API development and integration practices
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QA Specialist - Hybrid Remote
QA Specialist - Hybrid Remote
VERTECH GROUP (UK) LTD
NW3, North West London
From £50,000 to £55,000 per annum + Benefits
Experience with API testing and familiarity with tools like Postman, SoapUI, or similar
Experience with API testing and familiarity with tools like Postman, SoapUI, or similar
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.NET Developer
.NET Developer
Halian Technology Limited
W1, Central London
From £70,000 to £80,000 per annum Plus bonus and benefits
Proven hands-on experience withAWS servicessuch as Lambda, ECS/Fargate, API Gateway, DynamoDB, S3, CloudFormation/Terraform.
Proven hands-on experience withAWS servicessuch as Lambda, ECS/Fargate, API Gateway, DynamoDB, S3, CloudFormation/Terraform.
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Lead Software Engineer – Azure / .NET
Lead Software Engineer – Azure / .NET
ARC IT Recruitment Ltd
SW1Y, South West London
£Competitive + 20% bonus + excellent benefits
Azure, C#, .NET, API * Produce API documentation that adheres to OpenAPI 3.x standards. * Extensive experience in C#, .NET, SQL, and enterprise-grade API design.
Azure, C#, .NET, API * Produce API documentation that adheres to OpenAPI 3.x standards. * Extensive experience in C#, .NET, SQL, and enterprise-grade API design.
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Postman for API Testing
Postman for API Testing
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Strong experience with Python and API frameworks (FastAPI, Flask, etc.)
Strong experience with Python and API frameworks (FastAPI, Flask, etc.)
FEATURED
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Principal Software Engineer – IOT & FULL-STACK
Principal Software Engineer – IOT & FULL-STACK
Gerrell & Hard
Bicester, Oxfordshire
Unspecified £competitive
Proficiency in API and cloud development (AWS/Azure, MQTT, WebSockets)
Proficiency in API and cloud development (AWS/Azure, MQTT, WebSockets)
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
NEWFEATURED
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Build, deploy, and monitor solutions using AWS services (Lambda, API Gateway, CloudWatch, ECS, ECR, Dynamo, S3 etc.) * Design, deploy, and manage applications tailored to business needs, while customizing platforms and overseeing the full API lifecycle using Apigee Edge and X. * Drive API strategy execution, provide technical support, and generate insights through analytics to enhance integrations and documentation. * Ability to generate custom analytics reports for API consumption and errors * Implementation of API security and access control (OAuth, API keys, JWT, etc.) * Familiarity with API design patterns, best practices, and performance optimization
Build, deploy, and monitor solutions using AWS services (Lambda, API Gateway, CloudWatch, ECS, ECR, Dynamo, S3 etc.) * Design, deploy, and manage applications tailored to business needs, while customizing platforms and overseeing the full API lifecycle using Apigee Edge and X. * Drive API strategy execution, provide technical support, and generate insights through analytics to enhance integrations and documentation. * Ability to generate custom analytics reports for API consumption and errors * Implementation of API security and access control (OAuth, API keys, JWT, etc.) * Familiarity with API design patterns, best practices, and performance optimization
NEWFEATURED
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Drive architectural decisions across all software systems (cloud, mobile, and API layers).
Drive architectural decisions across all software systems (cloud, mobile, and API layers).
PREMIUM
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Data Engineer (Football Club)
Data Engineer (Football Club)
Singular Recruitment
W1, Central London
From £50,000 to £70,000 per annum
API Development:Experience building data-centric APIs, especially withFastAPIon serverless platforms likeGoogle App Engine.
API Development:Experience building data-centric APIs, especially withFastAPIon serverless platforms likeGoogle App Engine.
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Digital and Web Analyst
Digital and Web Analyst
iQ Student Accommodation Astor House
SE1, South East London, SE1 2DB
£55k - 60k per year + 25 days annual leave (plus bank holidays)
Familiarity with conversion APIs (Meta CAPI, Google Enhanced Conversions, TikTok Events API)
Familiarity with conversion APIs (Meta CAPI, Google Enhanced Conversions, TikTok Events API)
NEWFEATURED
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Web Developer (Laravel)
Web Developer (Laravel)
Rise Technical
Northampton, Northamptonshire
£26000.00 - £34000.00 per annum + Benefits
*Experience with Git version control and API integration
*Experience with Git version control and API integration
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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 background in software architecture, microservices, and API design.
Strong background in software architecture, microservices, and API design.
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Web Developer (Laravel)
Web Developer (Laravel)
Rise Technical Recruitment Limited
NN1, Northampton
£26000.00 - £34000.00 per annum + Benefits
*Experience with Git version control and API integration
*Experience with Git version control and API integration
PREMIUM
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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Experience with AWS, Kubernetes, Service Mesh, and API Security (including authentication and authorization).
Experience with AWS, Kubernetes, Service Mesh, and API Security (including authentication and authorization).
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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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Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
Contribute to backend/API testing and support security testing initiatives. * Strong knowledge of API testing and backend validation.
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Security Architecture Secure Design Team - Role: Manager Principal Security Architect: Secure Design (Individual Contributor) Grade: GG14 - The Security Architecture Design team is responsible for developing Security Architecture patterns, developing security controls needed for new technology, promoting the use of the architectural patterns into development projects, leading the Security Architecture Design Forum, Evaluating architectural security risks in existing systems, consulting with system development teams and architects on building security into their design. This key task of this role is accelerating the delivery of secure design artefacts and leading secure design interventions - by adding capacity and capability to the team. Reports to: Senior Manager Secure Design - Key Relationships * Business Aligned Principal Security Architects * CyberSecurity Engine
Security Architecture Secure Design Team - Role: Manager Principal Security Architect: Secure Design (Individual Contributor) Grade: GG14 - The Security Architecture Design team is responsible for developing Security Architecture patterns, developing security controls needed for new technology, promoting the use of the architectural patterns into development projects, leading the Security Architecture Design Forum, Evaluating architectural security risks in existing systems, consulting with system development teams and architects on building security into their design. This key task of this role is accelerating the delivery of secure design artefacts and leading secure design interventions - by adding capacity and capability to the team. Reports to: Senior Manager Secure Design - Key Relationships * Business Aligned Principal Security Architects * CyberSecurity Engine