1 to 25 of 148 Remote/Hybrid API Integration Jobs in the UK

Software Engineering Manager - UCX (Web Frontend)

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
short-term delivery needs with long-term maintainability and scalability. Ensure applications are performant, accessible, secure, and compliant with relevant standards and regulations. Platform & Integration Lead the integration of front-end platforms with backend services using GraphQL APIs, and third-party systems to deliver seamless … accessibility standards. Experience designing and maintaining CI/CD pipelines , using version control effectively, and working within modern development workflows. Solid understanding of secure API integration , authentication and authorisation flows , and modern UI architecture (GraphQL experience preferred). Comfortable leading design implementation and collaborating closely with Product ...

Software Engineering Manager - UCX (Mobile)

Hiring Organisation
Hargreaves Lansdown
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
short-term delivery needs with long-term maintainability and scalability. Ensure applications are performant, accessible, secure, and compliant with relevant standards and regulations. Platform & Integration Lead the integration of mobile platforms with backend services using GraphQL APIs, and third-party systems to deliver seamless end-to-end user … Native is essential , with a strong grasp of front-end design patterns and best practices in mobile SDLC. Proven experience of REST/GraphQL API integration with mobile applications Solid understanding of mobile application fundamentals: iOS/Android app lifecycle, performance constraints and release management Proven hands ...

.Net / Blazor Developer

Hiring Organisation
Norton Blake
Location
England, United Kingdom
reviews and ensure best practices for Blazor and .NET development are followed. Optimize application performance and resolve any issues with rendering, data binding, and API integration. Stay updated on the latest Blazor and .NET trends and technologies to continually improve applications. Required Skills and Qualifications: 3+ years of professional ...

Full Stack Developer

Hiring Organisation
Stott & May Professional Search Limited
Location
Warwickshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£460 - £510 per day
contributing to technical strategy and best practice within an Agile environment. Key Responsibilities Design, develop, verify, test, document and refactor complex applications, scripts and integration services Participate in and lead peer code reviews to ensure quality and adherence to standards Select and apply appropriate development methods, tools and techniques … Agile ceremonies and contribute to team culture and delivery excellence Your Profile Essential Skills & Experience Front-End Development: React (including Hooks) SWR for REST API integration Next.js Styled Components HTML, Modern JavaScript & CSS Jest Back-End Development: C# ASP.NET Core (v8+) Entity Framework Core (v8+) xUnit SQL Desirable ...

Technical Architect

Hiring Organisation
Morgan Hunt Recruitment
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£46,000 - £52,000 per annum
SharePoint, Teams, Exchange, Dynamics CRM. Software Engineering Fundamentals - C#, .NET Core, ASP.NET, Visual Studio. Database Design & Management - SQL Server, Azure SQL, data modelling. API Design & Integration - RESTful API design and consumption. Cloud Architecture & Design - microservices, serverless, containerisation (AKS). Security & Compliance - identity management, security frameworks, data protection. ...

Lead Developer

Hiring Organisation
ITSS Recruitment Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
security best practices. Monitoring, logging, and alerting (CloudWatch mastery) to ensure top performance. Backup, disaster recovery, and business continuity planning experience. RESTful API design & integration. Git (GitHub/Bitbucket). Modern, scalable CSS (SASS, CSS Modules). Database experience (MySQL via AWS RDS). Mobile development exposure (React Native ...

Web Developer

Hiring Organisation
Proactive Appointments
Location
Weybridge, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
What You’ll Bring: Strong experience with React, React Native, .NET . Proficiency in HTML, CSS, Bootstrap , and frontend development. Solid understanding of SQL , API integration , and Azure . Experience with mobile app development , unit testing , and DevOps tools (GitHub, Azure DevOps). Knowledge of security best practices ...

C#.NET Developer - Azure - Preston

Hiring Organisation
Circle Group
Location
Preston, Lancashire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
React, etc) is required by a leading company in Preston. You should also have some development experience in the Cloud with Azure & third-party API integrations There is some excellent investment in AI technologies, so a chance to work on some cutting-edge software development projects in AI advancement ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
build their business. Role Theyre looking for a Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Youll collaborate with solution architects, business analysts …/CD pipelines, and automated testing frameworks Understanding of event-driven design and message brokers (e.g. Kafka, RabbitMQ) Good knowledge of security, authentication, and integration patterns for enterprise systems Experience working in agile teams within digital transformation or automation programmes A willingness to learn BPMN and Camunda tooling Some ...

Web Developer

Hiring Organisation
Noir
Location
Swindon, Wiltshire, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £40,000 per annum
Developer - SaaS - Swindon (Hybrid, 3 Days in Office) (Tech stack: Web Developer, .NET Framework, WebForms, ASP.NET MVC, React, TypeScript, SCSS, Accessibility, API Integration, Performance Optimisation, Testing, Front End Developer) Our client is an established technology business that builds and maintains sophisticated digital platforms used across multiple sectors. They ...

Power Pages Developer

Hiring Organisation
General Dental Council
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£50,000
experience in designing and developing using Microsoft Power Pages, including significant hands-on development. Demonstrated proficiency with Microsoft Dataverse, website authentication, security roles, and API integrations with systems like Dynamics 365. Experience in documenting defects and enhancements and developing appropriate solutions. Solid understanding of the Software Development Lifecycle (SDLC ...

Lead Full Stack .NET Developer - Azure - Preston

Hiring Organisation
Circle Group
Location
Preston, Lancashire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
React, etc) is required by a leading company in Preston. You should also have some development experience in the Cloud with Azure & third-party API integrations Due to investment and a pipeline of brand-new green field work, they need a Lead Full Stack Developer to join the team. ...

Lead .NET Developer - Azure - Preston

Hiring Organisation
Circle Group
Location
Preston, Lancashire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
React, etc) is required by a leading company in Preston. You should also have some development experience in the Cloud with Azure & third-party API integrations Due to investment and a pipeline of brand-new green field work, they need a Lead Full Stack Developer to join the team. ...

Associate Software Engineer

Hiring Organisation
X-On Health
Location
Woodbridge, Suffolk, East Anglia, United Kingdom
Employment Type
Permanent
Salary
£35,000
technical issues Work with stakeholders to progress and report on projects and tasks Building Voice Agents: Developing and maintaining our Go-based Voice Agent API Development: Contributing to our unified AI API that acts as the gateway between our telephony products and various AI providers Tool Creation: Developing … primarily Go (Golang), so experience with Go or a strong willingness to cross-train from C++/Java/Rust/Python is required API Integration: Experience consuming RESTful APIs and understanding of JSON data structures AI/LLM Exposure: Practical experience interacting with LLM APIs (OpenAI, Anthropic ...

Junior AI Software Engineer

Hiring Organisation
X-On Health
Location
Woodbridge, Suffolk, East Anglia, United Kingdom
Employment Type
Permanent
Salary
£35,000
technical issues Work with stakeholders to progress and report on projects and tasks Building Voice Agents: Developing and maintaining our Go-based Voice Agent API Development: Contributing to our unified AI API that acts as the gateway between our telephony products and various AI providers Tool Creation: Developing … primarily Go (Golang), so experience with Go or a strong willingness to cross-train from C++/Java/Rust/Python is required API Integration: Experience consuming RESTful APIs and understanding of JSON data structures AI/LLM Exposure: Practical experience interacting with LLM APIs (OpenAI, Anthropic ...

Senior Software Developer

Hiring Organisation
Cathcart Technology
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
product team, driving technical excellence across desktop, web, and mobile applications. Your work will focus on system and software design involving; API integration, database development, and mobile applications (Xamarin/.NET MAUI). This is a role where you can bring ideas, influence technical decisions, and help shape ...

Senior Frontend Web Developer (React &

Hiring Organisation
Narwhal Media Group (NMG)
Location
Newport, UK
Employment Type
Full-time
libraries, or tools where they add meaningful value. Ensure maintainable, scalable code across the frontend ecosystem. Performance & Quality: Implement and enforce testing strategies (unit, integration, E2E). Continuously monitor and improve frontend application performance and SEO (especially for Next.js). Troubleshoot and debug complex frontend issues across browsers … Nice to Have Experience with design systems or component libraries (e.g., MUI, Tailwind, Storybook). Familiarity with backend or full-stack development (Node.js, serverless, API integration). Experience with performance profiling, Core Web Vitals, and SEO optimization. Knowledge of testing frameworks like Jest, React Testing Library, Cypress ...

Senior Frontend Web Developer (React & Next.js)

Hiring Organisation
Narwhal Media Group (NMG)
Location
City Of Bristol, England, United Kingdom
libraries, or tools where they add meaningful value. Ensure maintainable, scalable code across the frontend ecosystem. Performance & Quality: Implement and enforce testing strategies (unit, integration, E2E). Continuously monitor and improve frontend application performance and SEO (especially for Next.js). Troubleshoot and debug complex frontend issues across browsers … Nice to Have Experience with design systems or component libraries (e.g., MUI, Tailwind, Storybook). Familiarity with backend or full-stack development (Node.js, serverless, API integration). Experience with performance profiling, Core Web Vitals, and SEO optimization. Knowledge of testing frameworks like Jest, React Testing Library, Cypress ...

Digital Platform Architect (power platform)

Hiring Organisation
MORGAN PHILIPS UK LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
similar certifications desirable] with recent experience of designing, documenting, and delivering complex digital solutions. Undertake development of customising Dataverse, canvas apps, API integration's with 3rd party systems. Any experience with AI, automation and digital service design principles Work closely with the wider team such ...

Dynamics Developer

Hiring Organisation
Meritus
Location
Bradford, UK
Employment Type
Full-time
development Solid knowledge of Dataverse including data modelling, relationships, business rules, and role-based security Proven C# development experience for plugins, custom workflows, and API integrations Experience implementing Power Platform ALM using solutions, build tools, and deployment pipelines Background working in secure or regulated environments, with strong awareness ...

Dynamics Developer

Hiring Organisation
Meritus
Location
Swindon, UK
Employment Type
Full-time
development Solid knowledge of Dataverse including data modelling, relationships, business rules, and role-based security Proven C# development experience for plugins, custom workflows, and API integrations Experience implementing Power Platform ALM using solutions, build tools, and deployment pipelines Background working in secure or regulated environments, with strong awareness ...

Dynamics Developer

Hiring Organisation
Meritus
Location
Belfast, UK
Employment Type
Full-time
development Solid knowledge of Dataverse including data modelling, relationships, business rules, and role-based security Proven C# development experience for plugins, custom workflows, and API integrations Experience implementing Power Platform ALM using solutions, build tools, and deployment pipelines Background working in secure or regulated environments, with strong awareness ...

Dynamics Developer

Hiring Organisation
Meritus
Location
Cardiff, UK
Employment Type
Full-time
development Solid knowledge of Dataverse including data modelling, relationships, business rules, and role-based security Proven C# development experience for plugins, custom workflows, and API integrations Experience implementing Power Platform ALM using solutions, build tools, and deployment pipelines Background working in secure or regulated environments, with strong awareness ...

Dynamics Developer

Hiring Organisation
Meritus
Location
Aberdeen, UK
Employment Type
Full-time
development Solid knowledge of Dataverse including data modelling, relationships, business rules, and role-based security Proven C# development experience for plugins, custom workflows, and API integrations Experience implementing Power Platform ALM using solutions, build tools, and deployment pipelines Background working in secure or regulated environments, with strong awareness ...

Dynamics Developer

Hiring Organisation
Meritus
Location
United Kingdom
development Solid knowledge of Dataverse including data modelling, relationships, business rules, and role-based security Proven C# development experience for plugins, custom workflows, and API integrations Experience implementing Power Platform ALM using solutions, build tools, and deployment pipelines Background working in secure or regulated environments, with strong awareness ...