26 to 50 of 154 API Integration Jobs in England

Senior Engineer

Hiring Organisation
&Dine
Location
London, England, United Kingdom
operations to deliver practical solutions Improve system performance, reliability, and developer workflows Front-end JavaScript/TypeScript Vue/Nuxt or similar REST API integration Solid CSS/SCSS/SASS State management and component-based development Unit/end-to-end Testing and Git workflows Experience with ...

Microsoft Power Platform Developer

Hiring Organisation
Mainstay Industrial
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
maintain Dataverse tables, relationships, and security models Integrate solutions with Microsoft 365 (SharePoint, Teams, Outlook) and external systems Create and manage custom connectors and API integrations Translate business requirements into functional and technical solutions Conduct testing, troubleshooting, and performance optimisation Provide documentation, user support, and training where required Stay ...

Senior Frontend Engineer

Hiring Organisation
Cornspring
Location
London, England, United Kingdom
develop and scale web interfaces for our AI solutions, data visualization, and reporting You will work closely with our Backend team to ensure seamless integration with our cloud services while delivering exceptional user experiences in both Excel and our React-based web portal. You will contribute to architectural decisions … modern UI development practices and professional frontend development experience with JavaScript, React and TypeScript You will need deep understanding of data visualization, REST API integration, and responsive design principles Experience handling authentication flows (e.g., OAuth), and managing async data interactions. Strong understanding of frontend performance optimization, state management ...

Android Developer

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
standards Conduct code reviews and contribute to engineering best practices within the team Integrate with RESTful APIs and Back End services, working closely with API developers Troubleshoot and resolve performance issues, crashes, and production defects Support Google Play Store submission processes and manage release cycles Contribute to technical documentation … with test-driven development practices Hands-on experience with CI/CD tools (eg Gradle, Fastlane, Jenkins, Azure DevOps, GitHub Actions) Understanding of RESTful API integration and networking best practices Familiarity with accessibility standards (WCAG 2.2) and building inclusive mobile interfaces Experience working in Agile or hybrid delivery ...

Android Developer

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 47,000 Annual
standards Conduct code reviews and contribute to engineering best practices within the team Integrate with RESTful APIs and Back End services, working closely with API developers Troubleshoot and resolve performance issues, crashes, and production defects Support Google Play Store submission processes and manage release cycles Contribute to technical documentation … with test-driven development practices Hands-on experience with CI/CD tools (eg Gradle, Fastlane, Jenkins, Azure DevOps, GitHub Actions) Understanding of RESTful API integration and networking best practices Familiarity with accessibility standards (WCAG 2.2) and building inclusive mobile interfaces Experience working in Agile or hybrid delivery ...

DevOps Engineer

Hiring Organisation
Practicus
Location
England, United Kingdom
governance, reproducibility) Exposure to Microsoft Fabric, Azure data services, or modern BI tools Experience with AI services (e.g. Amazon Bedrock) DevOps/security certifications API integration experience 🌱 Why Join? Be part of a company driving a fundamental shift in disease treatment Work at the cutting edge of science ...

Data Engineer

Hiring Organisation
Gleeson Recruitment Group
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
Requirements Strong hands-on experience with Microsoft Fabric (Lakehouse, Warehouse, pipelines) Advanced SQL and strong PySpark experience Proficiency in Python for data processing and API integration Experience building Power BI models and dashboards for business reporting Strong understanding of ETL/ELT design and data modelling principles Experience ...

Senior Software Engineer

Hiring Organisation
Caspian One
Location
London Area, United Kingdom
across treasury, accounting, trading and middle‐office operations. Building tools to improve collateral & margin management, capital usage reporting, and trade reconciliation. Designing and implementing API integrations across internal and third‐party systems. Developing in‐house solutions to replace outsourced or legacy technology. Creating data pipelines that improve reporting ...

Dynamics 365 CRM Senior Developer

Hiring Organisation
Nigel Frank International
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £70,000 per annum
Dynamics 365 ecosystem and integrated enterprise systems. This position blends technical leadership, architectural ownership and delivery oversight, with a strong focus on system design, integration strategy and scalable solution development. Key Responsibilities Development Leadership & Delivery* Lead, mentor and support the development team.* Own and maintain the application development roadmap. … technical input when required. Architecture & Design* Lead solution architecture across the Dynamics 365 landscape.* Design secure, scalable and maintainable systems.* Define and oversee integration architecture.* Produce high-quality technical documentation and design artefacts. Technical Leadership* Act as the technical authority for Dynamics 365 and related platforms.* Provide guidance ...

IOS Developer

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
standards Conduct code reviews and contribute to engineering best practices within the team Integrate with RESTful APIs and Back End services, working closely with API developers Troubleshoot and resolve performance issues, crashes, and production defects Support App Store submission processes and manage release cycles Contribute to technical documentation, architecture … working with test-driven development practices Hands-on experience with CI/CD tools (eg Xcode Cloud, Fastlane, Jenkins, Azure DevOps) Understanding of RESTful API integration and networking best practices Familiarity with accessibility standards (WCAG 2.2) and building inclusive mobile interfaces Experience working in Agile or hybrid delivery ...

IOS Developer

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 47,000 Annual
standards Conduct code reviews and contribute to engineering best practices within the team Integrate with RESTful APIs and Back End services, working closely with API developers Troubleshoot and resolve performance issues, crashes, and production defects Support App Store submission processes and manage release cycles Contribute to technical documentation, architecture … working with test-driven development practices Hands-on experience with CI/CD tools (eg Xcode Cloud, Fastlane, Jenkins, Azure DevOps) Understanding of RESTful API integration and networking best practices Familiarity with accessibility standards (WCAG 2.2) and building inclusive mobile interfaces Experience working in Agile or hybrid delivery ...

Senior Application Specialist

Hiring Organisation
X4 Technology
Location
Greater London, England, United Kingdom
5+ years PHP experience (Laravel strongly preferred) Strong JavaScript, HTML and CSS skills Experience building scalable, secure and highly available systems REST and SOAP API integration experience Test Driven Development (TDD) and PHPUnit Docker experience Git version control (GitHub preferred) Experience working in Agile/Kanban teams Strong ...

Lead Data Scientist

Hiring Organisation
SBS
Location
Greater London, England, United Kingdom
Strong communication skills, stakeholder engagement, and technical reporting Experience with Generative AI Retrieval-Augmented Generation, and cloud deployment Familiarity with financial data structures and API integration (desirable) Required Attributes: Highly motivated, adaptable, and able to work independently while collaborating with academic and industry teams Commercial awareness and ability ...

Power Platform Developer

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day Inside IR35
database design. Power BI experience is a nice-to-have. Basic SharePoint navigation and usage skills. Experience building Copilot solutions is a plus. API integration experience across Microsoft technologies. Azure experience, including pipelines for deployment. Ability to communicate clearly with team members and stakeholders. Scripting experience with Java ...

Software Engineer Python | Django

Hiring Organisation
Opus Resourcing Ltd
Location
Reading, England, United Kingdom
secure video collaboration products used for justice/court hearings by governments across Europe. The role offers the chance to contribute across backend development, API integration, testing, security, and user-focused product improvements. This position would suit a Python/Django Software Engineer who enjoys working ...

Machine Learning Engineer

Hiring Organisation
Mitie
Location
City Of Bristol, England, United Kingdom
common ML libraries such as scikit‐learn, TensorFlow or PyTorch, alongside packages such as NumPy and Pandas. Knowledge of natural language processing techniques and API integration patterns for ML services. Experience delivering projects end-to-end, from initial concept through to production deployment. Ability to manage competing priorities ...

Full Stack Engineer - AI

Hiring Organisation
Salt
Location
England, United Kingdom
Core APIs Entity Framework Core & Dapper (and knowing when to use each) SOLID principles & clean architecture Asynchronous programming, concurrency & performance tuning TDD, unit testing & integration testing Code quality gates & peer review discipline Secure coding practices Frontend Engineering TypeScript React Next.js Modern frontend patterns (hooks, state management, server/client … data fetching) Robust API integration & error handling Identity & Security Architecture Authentication & authorisation design SSO flows OAuth2 & OpenID Connect JWT best practices (signing, expiry, refresh, validation) Multi-tenant architecture (data isolation, tenant-aware auth, scaling) Cloud & Infrastructure (Azure) Azure PaaS (App Services, Functions, Storage, Service Bus, Key Vault) Docker ...

Software Product Owner

Hiring Organisation
Robert Walters
Location
Warwick, Warwickshire, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 75,000 Annual
cycle Software Product Owner: Technical Experience React 18+ - Hooks, Context, Suspense, concurrent features Node.js/Express or Fastify - production APIs, Middleware, error handling REST API design - versioning, error contracts, idempotency 3rd Party API Integration AWS Jira AI - willing to leverage The permanent role for a Software Product ...

IBM i Developer

Hiring Organisation
SF Partners Admin
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£65,000
ability to engage with non-technical stakeholders - Any experience working on manufacturing, distribution or logistics would be a plus - Exposure to modernisation projects (e.g. API integration, web front ends) - Supporting integration and modernisation initiatives (APIs, new front-end technologies, etc.) - Troubleshooting complex issues and ensuring system reliability ...

Senior Systems Analyst

Hiring Organisation
Ideal Personnel & Recruitment Solutions Limited
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Permanent
analysis within an ERP centric environment. Hands on experience with enterprise resource planning systems Relational database experience e.g. writing queries, and performance tuning. Systems integration, API’s and data flows between enterprise platforms. Communication and stakeholder engagement skills with a customer driven approach. The ability to document requirements … supply chain or product distribution. Experience with Crystal Reports, Sage Enterprise Intelligence or similar reporting tools. Knowledge and experience of working with web services, API integrations, or system automation. Familiarity with Magento, Shopify, or other B2B ecommerce platforms. Microsoft SQL Experience. Due to the large number of responses ...

PHP Developer - Mid-Senior

Hiring Organisation
Roc Search Europe Limited
Location
Barnsley, South Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum 31 Days Annual Leave + Paid Training
collaborative tech team with real ownership and long-term growth potential. The Role Develop and maintain applications using PHP JavaScript for frontend & API integration Maintain & optimise MySQL databases Monitor systems, troubleshoot issues and improve performance Collaborate with internal teams and external partners Product enhancements Tech Stack PHP (essential … Strong willingness to learn APPLY NOW to be considered for interviews! Senior PHP Developer - PHP - Software Developer - JavaScript - Laravel - Linux - AWS - MySQL - MariaDB - Developer - API - Vue.js ...

Senior React Developer

Hiring Organisation
Undisclosed
Location
London Area, United Kingdom
backend APIs using standard client patterns. Ensure responsive design, accessibility, and performance across supported devices. Apply strong automated testing practices (unit/component/integration) in daily delivery. Collaborate with product, design, QA, and backend teams to deliver production-ready increments. Maintain code quality through reviews, linting, and consistent … with Tailwind CSS and accessible component implementation. Experience with Zustand and TanStack React Query for client/server state management. Experience with Axios-based API integration patterns. Experience with react-router-dom, react-hook-form, and Zod for routing and validation. Experience with Vitest, Testing Library ...

Power Platform Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£420 - £490/day
stakeholders to gather requirements and translate them into technical specifications. Create and maintain Power BI dashboards and reports to provide actionable insights. Work on API integrations to connect various applications and systems. Assist in optimizing existing applications and processes for better user experience and efficiency. Utilize Kofax or similar … ability to integrate with existing systems. Power BI proficiency, with a strong ability to create and manage reports and dashboards. API integration experience to connect various systems and improve application functionality. Some knowledge of Kofax or similar tools for document automation is advantageous. Knowledge of Mendix or other ...

Front End Developer

Hiring Organisation
Anson Mccade
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Strong understanding of DOM, CSS, form validation, and ARIA accessibility standards. Familiarity with bundlers like Webpack/Rollup and environment configuration. Experience with Node.js, API integration, and JavaScript testing frameworks (Jest, Jasmine). Comfortable working in Agile teams and applying DevOps practices. Strong foundation in Object-Oriented Programming ...

AI & Data Analyst

Hiring Organisation
PMC Treasury
Location
City of London, London, United Kingdom
Platform/Power Automate Proficiency building Power BI dashboards and reports for business stakeholders Bonus - Working knowledge of Python for scripting, data handling, or API integration Bonus - Experience with Snowflake as a cloud data platform Professional A commercial mindset: you think about business value first, technology second Strong ...