API Development Jobs in England

51 to 75 of 231 API Development Jobs in England

AI Solutions Engineer

Bedford, Bedfordshire, England, United Kingdom
Reed
AI Solutions Engineer AI Solutions, B2B, B2C, Azure, AI Foundry, Open-AI, Microsoft Copilot Studio, Machine Learning, Python, TensorFlow, PyTorch, scikit-learn, Large Language Models, LLM, Data preprocessing, REST API, Microservices architecture, MLOps, CI/CD for ML, Power-BI, Docker, Kubernetes, AI Ethics, Cloud Platforms, AWS, Google Cloud Platform, SQL, NoSQL, DevOps, Financial services, Regulatory environments Contract Type … Hybrid/Bedford Daily Rate: £600-£650 (via Umbrella) 9 months initial contract We are seeking two AI Solutions Engineers to lead the design, development, and deployment of AI solutions. This hands-on technical role focuses on building scalable AI-powered services for both B2B and B2C applications. The successful candidates will work under the coordination of the Lead … Open-AI services, and Microsoft Copilot Studio. Collaborate with cross-functional teams to integrate AI technologies into business processes and consumer applications. Manage the full lifecycle of AI solution development from concept to deployment and maintenance. Utilize programming skills in Python to automate processes and enhance functionality. Work with large datasets for data preprocessing, feature engineering, and model evaluation. More ❯
Employment Type: Contractor
Rate: £600 - £650 per day, Inc benefits
Posted:

Senior Software Engineer (Tech Lead)

London, United Kingdom
Hybrid/Remote Options
Edenred
UK is investing heavily in modernising its technology platforms and adopting agile, cloud-native solutions. We are seeking a Tech Lead to help drive this transformation and lead the development of scalable, secure, and high-performing systems. Role Overview As Tech Lead, you will be responsible for the technical leadership of a cross-functional agile team. You will guide … software architectural decisions, contribute hands-on to development, mentor engineers, and ensure the delivery of robust software aligned with business objectives. Key Responsibilities Lead the design and development of enterprise-grade applications using Java and related technologies Define and enforce agreed coding standards, architectural principles, and engineering best practices Collaborate with Product Owners, Business Analysts, Solution Architects and … experience as a Tech Lead or Senior Java Developer in agile environments Strong understanding of Agile framework & principles Strong proficiency in Java (preferably Java 17+), Spring Boot, and RESTful API development Experience with cloud platforms (AWS preferred), containerization (e.g. Docker, Kubernetes) and microservices architecture Familiarity with CI/CD tools such as Jenkins, AWS CodePipeline, GitLab CI, or More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior MuleSoft Developer

London, United Kingdom
Hybrid/Remote Options
ARM
desirable Your main responsibility will be to deliver clean, maintainable, and well-tested code that adheres to SOLID principles. You will work collaboratively across Quality Assurance, DevOps, and other development teams, sharing knowledge, supporting onboarding, and contributing to code reviews. Key Responsibilities Deliver high-quality, maintainable code and development outcomes. Manage data exchange between backend services, front-end … clear code comments. Ensure compliance with quality standards, including automated testing and code reviews. Address non-functional requirements such as performance, monitoring, and operational support. Support releases through all development environments, maintaining quality and reliability. Contribute to skill development and technology adoption within the team. Present technical concepts in demos and participate in user feedback sessions. Provide accurate … RAML, REST APIs, flow control, and error handling. Hands-on experience with the Anypoint Platform (CloudHub, VPC, VPN, DLB, firewalls, and cloud technologies). Securing and managing APIs using API Manager. Developing frameworks for error handling and logging. Managing the API development lifecycle from design to governance and management. Working with batch message processing, Salesforce, file, and More ❯
Employment Type: Contract
Rate: £550 - £580/day
Posted:

FullStack Developer ( Python / Django ) PropTech Start-up

East London, London, United Kingdom
Hybrid/Remote Options
Run-Time Group Ltd
CI/CD, testing, and automation. What Were Looking For Comp Sci or STEM Degree from a Top Russell group University 3-5 years of experience in full-stack development, with a focus on Python and Django . Strong experience with React or React Native for building dynamic, responsive front-end applications. Proficiency in SQL databases (PostgreSQL/MySQL … practices and familiarity with tools such as Docker , Kubernetes , and cloud platforms ( AWS/GCP/Azure ). Knowledge of Node.js and building scalable back-end services. Experience in API development and integrating third-party APIs. Familiarity with Agile methodologies, version control (Git), and CI/CD pipelines. Bonus: Experience in the PropTech sector or working with property … Offer Competitive salary A fast-paced, collaborative, and innovative start-up environment. Flexible working hours and remote/hybrid options. Opportunity to shape the tech stack and architecture. Personal development budget and training opportunities. More ❯
Employment Type: Permanent, Work From Home
Salary: £80,000
Posted:

Senior Software Engineer

Birmingham, West Midlands, United Kingdom
Hybrid/Remote Options
Erin Associates
offers the perfect balance between flexibility and collaboration, with 1-2 days a week spent onsite. As a Senior Software Engineer, youll play a key role in the design, development, and delivery of scalable, high-performance software solutions. Youll work across the full stack, focusing on Node.js and React, while collaborating closely with other developers, architects, and stakeholders to … cloud-based deployments. Key Skills & Experience 5+ years commercial experience with TypeScript/React and Node.js. Proficiency in JavaScript libraries such as React or Next.js. Expert knowledge of REST API development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience with automated testing tools such … Vitest Comfortable using Azure DevOPs The Senior Developer will be joining a friendly, agile, and innovative team, based in Birmingham where you will play an integral role in the development of data-rich, user-friendly applications Keywords: Senior Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, NextJS, Jest, Vitest, CI/CD, Azure DevOPs, Birmingham, West More ❯
Employment Type: Permanent, Work From Home
Salary: £60,000
Posted:

Full Stack Developer

Birmingham, West Midlands, United Kingdom
Hybrid/Remote Options
Erin Associates
offers the perfect balance between flexibility and collaboration, with 1-2 days a week spent onsite. As a Senior Software Engineer, youll play a key role in the design, development, and delivery of scalable, high-performance software solutions. Youll work across the full stack, focusing on Node.js and React, while collaborating closely with other developers, architects, and stakeholders to … cloud-based deployments. Key Skills & Experience 5+ years commercial experience with TypeScript/React and Node.js. Proficiency in JavaScript libraries such as React or Next.js. Expert knowledge of REST API development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience with automated testing tools such … Vitest Comfortable using Azure DevOPs The Senior Developer will be joining a friendly, agile, and innovative team, based in Birmingham where you will play an integral role in the development of data-rich, user-friendly applications Keywords: Senior Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, NextJS, Jest, Vitest, CI/CD, Azure DevOPs, Birmingham, West More ❯
Employment Type: Permanent, Work From Home
Salary: £60,000
Posted:

Full Stack Developer

Birmingham, West Midlands, England, United Kingdom
Erin Associates
offers the perfect balance between flexibility and collaboration, with 1-2 days a week spent onsite.As a Senior Software Engineer, you’ll play a key role in the design, development, and delivery of scalable, high-performance software solutions. You’ll work across the full stack, focusing on Node.js and React, while collaborating closely with other developers, architects, and stakeholders … cloud-based deployments. Key Skills & Experience 5+ years’ commercial experience with TypeScript/React and Node.js. Proficiency in JavaScript libraries such as React or Next.js. Expert knowledge of REST API development using Node.js. Experience working with C# in enterprise environments. Familiarity with cloud computing, infrastructure as code, and CI/CD pipelines. Experience with automated testing tools such … Vitest Comfortable using Azure DevOPs The Senior Developer will be joining a friendly, agile, and innovative team, based in Birmingham where you will play an integral role in the development of data-rich, user-friendly applications Keywords: Senior Software Engineer, Fullstack Developer, Node.js, React, TypeScript, C#, REST API, NextJS, Jest, Vitest, CI/CD, Azure DevOPs, Birmingham, West More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

SharePoint Developer

London, South East, England, United Kingdom
Morgan Law
A public sector organisation is looking for a skilled SharePoint Developer to join their Development and Testing team. This is a key role for someone passionate about building high-quality, scalable applications using SharePoint, Microsoft 365, and Azure services. If you enjoy solving complex problems and collaborating across teams to deliver impactful digital solutions, we'd love to hear … governance, and promoting best practices across the organisation. Responsibilities Design and Customize SharePoint Solutions: Develop tailored solutions using SharePoint and M365 product to address specific business requirements Custom SharePoint Development: Create custom SharePoint apps, Teams apps, and web parts using the SPFx framework (React). Additionally, utilize Power Apps, Power Automate, and related technologies. Application Maintenance: Utilize DevOps practices … security of SharePoint environments Configurating and deployment: performing site configuration for new installations, deploying custom features, and staying up to date with the latest SharePoint developments and upgrades. Secure Development Practices: Developing clean, reusable, scalable, and maintainable code following the Software Development Life Cycle (SDLC). Conducting peer code reviews upon request and adhering to development coding More ❯
Employment Type: Full-Time
Salary: £56,000 - £61,500 per annum
Posted:

SharePoint Developer

South London, London, United Kingdom
Morgan Law
A public sector organisation is looking for a skilled SharePoint Developer to join their Development and Testing team. This is a key role for someone passionate about building high-quality, scalable applications using SharePoint, Microsoft 365, and Azure services. If you enjoy solving complex problems and collaborating across teams to deliver impactful digital solutions, we'd love to hear … governance, and promoting best practices across the organisation. Responsibilities Design and Customize SharePoint Solutions: Develop tailored solutions using SharePoint and M365 product to address specific business requirements Custom SharePoint Development: Create custom SharePoint apps, Teams apps, and web parts using the SPFx framework (React). Additionally, utilize Power Apps, Power Automate, and related technologies. Application Maintenance: Utilize DevOps practices … security of SharePoint environments Configurating and deployment: performing site configuration for new installations, deploying custom features, and staying up to date with the latest SharePoint developments and upgrades. Secure Development Practices: Developing clean, reusable, scalable, and maintainable code following the Software Development Life Cycle (SDLC). Conducting peer code reviews upon request and adhering to development coding More ❯
Employment Type: Permanent
Salary: £56000 - £61500/annum
Posted:

Senior Software Engineer - Pensions, ISA and Investments

Bristol, United Kingdom
Hybrid/Remote Options
Hargreaves Lansdown
security, performance and CI/CD processes. Responsible for documenting all solutions, produced to agreed team standards. Demonstrate a willingness to learn and further technologies & techniques embraced by the development team. Cultivate strong working relationships both within working squad and in HL as a whole. Actively participating in working groups and communities of practice designed to support the development … defining integration patterns, abstracting vendor APIs/data models from internal downstream services etc. Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. Understanding of event driven architecture. Experience performing code reviews. Experience operating within Agile framework. Aware of website performance … implications, best practices and other non-functional requirements. Able to write, assist in writing or reviewing technical documentation. Advocate of excellent development practices to optimise for rapid and continuous delivery of client value. React Native, GraphQL and DevOps experience beneficial Skills/Attributes Excellent collaborator, naturally works well with others across different disciplines in a cross functional team. Excellent More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Pensions, ISA and Investments

Bristol, Avon, South West, United Kingdom
Hybrid/Remote Options
Hargreaves Lansdown
security, performance and CI/CD processes. Responsible for documenting all solutions, produced to agreed team standards. Demonstrate a willingness to learn and further technologies & techniques embraced by the development team. Cultivate strong working relationships both within working squad and in HL as a whole. Actively participating in working groups and communities of practice designed to support the development … defining integration patterns, abstracting vendor APIs/data models from internal downstream services etc. Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. Understanding of event driven architecture. Experience performing code reviews. Experience operating within Agile framework. Aware of website performance … implications, best practices and other non-functional requirements. Able to write, assist in writing or reviewing technical documentation. Advocate of excellent development practices to optimise for rapid and continuous delivery of client value. React Native, GraphQL and DevOps experience beneficial Skills/Attributes Excellent collaborator, naturally works well with others across different disciplines in a cross functional team. Excellent More ❯
Employment Type: Permanent, Part Time
Salary: £80,000
Posted:

Senior Python Developer

South West London, London, United Kingdom
Hybrid/Remote Options
Run-Time Group Ltd
paced, collaborative environment and grow your skills. Key Responsibilities: Develop and maintain scalable applications using Python (Django). Build and integrate APIs and third-party services. Participate in Agile development cycles and CI/CD processes. Optimize applications for performance and scalability. Collaborate with cross-functional teams. Requirements: Computer Science or STEM degree from a top Russell Group University … 1st or 2:1). 5+ years of full-stack development experience (Python/Django). Strong experience with SQL databases (PostgreSQL/MySQL). Familiarity with DevOps tools (Docker, Kubernetes, AWS/GCP/Azure). Experience with API development and Git. More ❯
Employment Type: Permanent, Work From Home
Posted:

Consultant Software Developer - Hybrid Working

Bedford, Bedfordshire, England, United Kingdom
Hybrid/Remote Options
Oliver James
scalable solutions from the ground up, and work closely with clients to solve meaningful business problems. You'll operate in small project teams (or sometimes independently), across the full development lifecycle from business requirements through to deployment and optimisation. Key Responsibilities Design, develop, and deliver high-quality software solutions in line with client needs and business goals Lead or … architecture, offering input into technology and design decisions Collaborate directly with clients to understand their operations and challenges Work across the full stack - backend through to frontend using modern development practices Take ownership of project delivery with an awareness of budgets and timelines Apply a problem-solving mindset and adapt quickly to different industries and business domains Core Technical … Skills Required C#/.NET (Core and Framework) strong backend development experience essential JavaScript and React for building responsive, user-friendly front-end applications Familiarity with API development (RESTful services) Experience with SQL Server and database integration Comfortable working in DevOps environments (CI/CD pipelines, version control, automated testing) Strong understanding of application architecture and scalable More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Backend Software Engineer

City of London, London, United Kingdom
Albert Bow
systems using Python microservices, helping to scale fast and deliver real impact! What You’ll Do Build and maintain backend features with strong test coverage Contribute to architecture and API design Translate business needs into technical solutions Promote best practices in coding and DevOps Collaborate across teams to ship reliable, high-quality software What You’ll Bring 4+ years … of software development experience Strong skills in Python and API development Knowledge of microservices, CI/CD, and modern engineering practices Familiarity with SQL/NoSQL databases (Bonus) Frontend experience with JavaScript/TypeScript Apply directly or send your CV to cailacunningham@albertbow.com. Thanks, Caila More ❯
Posted:

Backend Software Engineer

London Area, United Kingdom
Albert Bow
systems using Python microservices, helping to scale fast and deliver real impact! What You’ll Do Build and maintain backend features with strong test coverage Contribute to architecture and API design Translate business needs into technical solutions Promote best practices in coding and DevOps Collaborate across teams to ship reliable, high-quality software What You’ll Bring 4+ years … of software development experience Strong skills in Python and API development Knowledge of microservices, CI/CD, and modern engineering practices Familiarity with SQL/NoSQL databases (Bonus) Frontend experience with JavaScript/TypeScript Apply directly or send your CV to cailacunningham@albertbow.com. Thanks, Caila More ❯
Posted:

Senior Java Developer

Telford, Shropshire, England, United Kingdom
Hybrid/Remote Options
TXP Technology x People
Boot and JUnit Apply Kubernetes for containerisation and deployment Collaborate within Agile Scrum teams to deliver high-quality software solutions Write clean, maintainable code following best practices in secure development Support continuous integration, testing, and deployment activities Essential Skills & Experience Strong hands-on experience with Java and Spring Boot Solid understanding of REST API development and JSON More ❯
Employment Type: Contractor
Rate: £0 per annum
Posted:

MuleSoft Developer

London Area, United Kingdom
Hybrid/Remote Options
Advanced Resource Managers
desirable Your main responsibility will be to deliver clean, maintainable, and well-tested code that adheres to SOLID principles. You will work collaboratively across Quality Assurance, DevOps, and other development teams, sharing knowledge, supporting onboarding, and contributing to code reviews. Key Responsibilities Deliver high-quality, maintainable code and development outcomes. Manage data exchange between backend services, front-end … clear code comments. Ensure compliance with quality standards, including automated testing and code reviews. Address non-functional requirements such as performance, monitoring, and operational support. Support releases through all development environments, maintaining quality and reliability. Contribute to skill development and technology adoption within the team. Present technical concepts in demos and participate in user feedback sessions. Provide accurate … RAML, REST APIs, flow control, and error handling. Hands-on experience with the Anypoint Platform (CloudHub, VPC, VPN, DLB, firewalls, and cloud technologies). Securing and managing APIs using API Manager. Developing frameworks for error handling and logging. Managing the API development lifecycle from design to governance and management. Working with batch message processing, Salesforce, file, and More ❯
Posted:

MuleSoft Developer

City of London, London, United Kingdom
Hybrid/Remote Options
Advanced Resource Managers
desirable Your main responsibility will be to deliver clean, maintainable, and well-tested code that adheres to SOLID principles. You will work collaboratively across Quality Assurance, DevOps, and other development teams, sharing knowledge, supporting onboarding, and contributing to code reviews. Key Responsibilities Deliver high-quality, maintainable code and development outcomes. Manage data exchange between backend services, front-end … clear code comments. Ensure compliance with quality standards, including automated testing and code reviews. Address non-functional requirements such as performance, monitoring, and operational support. Support releases through all development environments, maintaining quality and reliability. Contribute to skill development and technology adoption within the team. Present technical concepts in demos and participate in user feedback sessions. Provide accurate … RAML, REST APIs, flow control, and error handling. Hands-on experience with the Anypoint Platform (CloudHub, VPC, VPN, DLB, firewalls, and cloud technologies). Securing and managing APIs using API Manager. Developing frameworks for error handling and logging. Managing the API development lifecycle from design to governance and management. Working with batch message processing, Salesforce, file, and More ❯
Posted:

Senior Full-Stack Engineer - Go/JavaScript - Remote

Central London, UK
Hybrid/Remote Options
RedRock Resourcing
to technology-driven innovation, in support of their efforts to strengthen their growing SaaS team. They are looking for a senior software engineer with strong experience in full-stack development using Go & JavaScript. This is a remote role, and it must be noted that all candidates are required to be based in the UK with full eligibility to work … remove bottlenecks, and ensure smooth operation in production environments. Maintain high engineering standards through structured, well-organised code and effective use of automation. Required experience: Senior-level full-stack development, with expertise in multiple languages & frameworks (namely Go, JavaScript, React, Angular, .NET). API development & integration, microservices, cloud services, and DevOps practices. Agile methodologies with experience in More ❯
Posted:

Senior Full-Stack Engineer - Go/JavaScript - Remote

West London, UK
Hybrid/Remote Options
RedRock Resourcing
to technology-driven innovation, in support of their efforts to strengthen their growing SaaS team. They are looking for a senior software engineer with strong experience in full-stack development using Go & JavaScript. This is a remote role, and it must be noted that all candidates are required to be based in the UK with full eligibility to work … remove bottlenecks, and ensure smooth operation in production environments. Maintain high engineering standards through structured, well-organised code and effective use of automation. Required experience: Senior-level full-stack development, with expertise in multiple languages & frameworks (namely Go, JavaScript, React, Angular, .NET). API development & integration, microservices, cloud services, and DevOps practices. Agile methodologies with experience in More ❯
Posted:

Senior Full-Stack Engineer - Go/JavaScript - Remote

England, United Kingdom
Hybrid/Remote Options
RedRock Resourcing
to technology-driven innovation, in support of their efforts to strengthen their growing SaaS team. They are looking for a senior software engineer with strong experience in full-stack development using Go & JavaScript. This is a remote role, and it must be noted that all candidates are required to be based in the UK with full eligibility to work … remove bottlenecks, and ensure smooth operation in production environments. Maintain high engineering standards through structured, well-organised code and effective use of automation. Required experience: Senior-level full-stack development, with expertise in multiple languages & frameworks (namely Go, JavaScript, React, Angular, .NET). API development & integration, microservices, cloud services, and DevOps practices. Agile methodologies with experience in More ❯
Posted:

Senior Full-Stack Engineer - Go/JavaScript - Remote

East London, London, United Kingdom
Hybrid/Remote Options
RedRock Resourcing
to technology-driven innovation, in support of their efforts to strengthen their growing SaaS team. They are looking for a senior software engineer with strong experience in full-stack development using Go & JavaScript. This is a remote role, and it must be noted that all candidates are required to be based in the UK with full eligibility to work … remove bottlenecks, and ensure smooth operation in production environments. Maintain high engineering standards through structured, well-organised code and effective use of automation. Required experience: Senior-level full-stack development, with expertise in multiple languages & frameworks (namely Go, JavaScript, React, Angular, .NET). API development & integration, microservices, cloud services, and DevOps practices. Agile methodologies with experience in More ❯
Posted:

Senior Full-Stack Engineer - Go/JavaScript - Remote

City of London, London, United Kingdom
Hybrid/Remote Options
RedRock Resourcing
to technology-driven innovation, in support of their efforts to strengthen their growing SaaS team. They are looking for a senior software engineer with strong experience in full-stack development using Go & JavaScript. This is a remote role, and it must be noted that all candidates are required to be based in the UK with full eligibility to work … remove bottlenecks, and ensure smooth operation in production environments. Maintain high engineering standards through structured, well-organised code and effective use of automation. Required experience: Senior-level full-stack development, with expertise in multiple languages & frameworks (namely Go, JavaScript, React, Angular, .NET). API development & integration, microservices, cloud services, and DevOps practices. Agile methodologies with experience in More ❯
Posted:

Senior Full-Stack Engineer - Go/JavaScript - Remote

Leeds, West Yorkshire, United Kingdom
Hybrid/Remote Options
RedRock Resourcing
to technology-driven innovation, in support of their efforts to strengthen their growing SaaS team. They are looking for a senior software engineer with strong experience in full-stack development using Go & JavaScript. This is a remote role, and it must be noted that all candidates are required to be based in the UK with full eligibility to work … remove bottlenecks, and ensure smooth operation in production environments. Maintain high engineering standards through structured, well-organised code and effective use of automation. Required experience: Senior-level full-stack development, with expertise in multiple languages & frameworks (namely Go, JavaScript, React, Angular, .NET). API development & integration, microservices, cloud services, and DevOps practices. Agile methodologies with experience in More ❯
Posted:

Senior Full-Stack Engineer - Go/JavaScript - Remote

Bury, Greater Manchester, United Kingdom
Hybrid/Remote Options
RedRock Resourcing
to technology-driven innovation, in support of their efforts to strengthen their growing SaaS team. They are looking for a senior software engineer with strong experience in full-stack development using Go & JavaScript. This is a remote role, and it must be noted that all candidates are required to be based in the UK with full eligibility to work … remove bottlenecks, and ensure smooth operation in production environments. Maintain high engineering standards through structured, well-organised code and effective use of automation. Required experience: Senior-level full-stack development, with expertise in multiple languages & frameworks (namely Go, JavaScript, React, Angular, .NET). API development & integration, microservices, cloud services, and DevOps practices. Agile methodologies with experience in More ❯
Posted:
API Development
England
10th Percentile
£46,750
25th Percentile
£53,438
Median
£65,000
75th Percentile
£81,250
90th Percentile
£92,500