21 of 21 Contract API Development Jobs in England

where needed. Be capable of designing, building and delivering an in-house solution end to end from shaping the initial idea and requirements, through development, testing and ongoing support. Coach and uplift the team in development best practice: clean code, test driven development, secure coding, and maintainable … leadership). Proven ability to refine and decompose work (features into implementable stories), manage dependencies, and remove technical blockers. Strong experience in microservices and API development, and asynchronous messaging technologies such as Kafka or similar event-driven platforms. Experience in at least two or three of the following ...

critical business applications built on modern Microsoft technologies, including .NET 6 and .NET 8. The successful candidate will work within a globally distributed development team, collaborating with both technical and business stakeholders across the UK (London, Bromley, Camberley) and internationally (Singapore, India, New York, and Chicago). The role … stability, performance, and scalability. Work closely with business users, analysts, and technical teams to gather requirements and deliver solutions. Participate in the full software development lifecycle, including design, development, testing, deployment, and support. Collaborate with globally distributed development teams across multiple locations and time zones. Contribute ...

within an agile delivery team, building and enhancing modern, cloud-native applications used by thousands of end users. This role requires strong full-stack development expertise across .NET, Vue.js and Azure, alongside previous experience delivering solutions within Government, NHS, or wider public sector environments. Key Responsibilities Design, develop … security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft Azure, including services such as: App Services Azure Functions Azure ...

within an agile delivery team, building and enhancing modern, cloud-native applications used by thousands of end users. This role requires strong full-stack development expertise across .NET, Vue.js and Azure, alongside previous experience delivering solutions within Government, NHS, or wider public sector environments. Key Responsibilities Design, develop … security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft Azure, including services such as: App Services Azure Functions Azure ...

agile engineering team, working closely with the Tech Lead to deliver high-quality outcomes at pace. This is a hands-on role involving backend development, microservices, API design, team mentoring, backlog refinement, and end-to-end ownership of delivery, including resolving blockers and prioritisation. * Location: Sheffield (Hybrid … Tech Lead on architecture and design decisions, document trade-offs, and design/build end-to-end in-house solutions from ideation through development, testing and ongoing support. * Drive engineering excellence by coaching the team on clean code, TDD, secure coding, maintainable design, leading peer reviews and ensuring strong ...

ifndautoparts is a family-owned and founder-led company. We operate with a lean, highly collaborative structure and work closely with specialist contractors and development partners to deliver projects and scale the platform. As we expand our business seller network, we are looking for an experienced Senior Integration Engineer … helping business sellers connect and synchronise their inventory with the ifndautoparts marketplace. You will work directly with the founders, onboarding team, and external development partners to help shape the future of seller integrations across the platform. The Role As our Senior Integration Engineer, you will be responsible for designing ...

Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for a Amazon Connect Engineer/Lead Developer … center solutions * Build and manage contact flows, IVR, routing strategies, queues, and agent experiences (CCP/UI) * Develop Back End integrations using AWS Lambda, API Gateway, DynamoDB, S3, Kinesis, & REST APIs * Implement AI/ML driven automation using Amazon Lex, Contact Lens, Transcribe, Kendra services * Support CI/ ...

maintainable code Working with shared/common government tech stacks (Node.js, PostgreSQL, Redis) Investigating and resolving technical issues across the stack Applying secure development practices, including OWASP principles and vulnerability management Collaborating with stakeholders and communicating technical concepts clearly Tech stack includes: Node.js, HAPI (web framework) API development … DevOps, Jenkins, GitHub Actions) Jira and Azure DevOps for workflow management What we're looking for: Active SC Clearance (essential) Strong experience with Node.js development in production environments Ability to communicate with both technical and non-technical stakeholders Experience breaking down work, refining backlog items, and defining acceptance criteria ...

Amazon Connect-based omnichannel contact centre solutions including contact flows, IVR, routing strategies, queues, and agent experiences Develop Back End integrations using AWS Lambda, API Gateway, DynamoDB, S3, Kinesis, and REST APIs Implement AI/ML-driven automation using Amazon Lex, Contact Lens, Transcribe, and Kendra Support CI/… What You Will Ideally Bring: Strong hands-on Amazon Connect experience - contact flows, routing, and integrations - essential Proven experience with core AWS services: Lambda, API Gateway, DynamoDB, CloudWatch, and S3 Proficiency in Node.js, Python, or JavaScript with REST API development experience Solid understanding of contact centre technologies ...

contact center solutions Build and manage contact flows, IVR, routing strategies, queues, and agent experiences (CCP/UI) Develop backend integrations using AWS Lambda, API Gateway, DynamoDB, S3, Kinesis, & REST APIs Implement AI/ML-driven automation using Amazon Lex, Contact Lens, Transcribe, Kendra services Support CI/… consulting support Essential skills/knowledge/experience: Strong hands-on experience with Amazon Connect (flows, routing, integrations) Proven experience with AWS services: Lambda, API Gateway, DynamoDB, CloudWatch, S3 Proficiency in Node.js/Python/JavaScript and REST API development Solid understanding of contact center technologies ...

contract basis. This is an excellent opportunity for a contractor who is available immediately and can hit the ground running on Business Central development, customisation and integration work. Key Skills & Experience Strong Microsoft Dynamics 365 Business Central/NAV development experience Expert-level AL development skills Experience … building and deploying extensions API development and third-party integrations Business Central customisation and configuration Ability to work independently and deliver in a fast-moving environment Requirements Must be based in the UK Able to attend either the Harlow or London office when required Available to start immediately ...

working (two consecutive days per month onsite in Newcastle) Rate: Inside IR35 We are seeking a skilled Scala Developer to support and complete an API build as soon as possible, contributing to the development and implementation of key services. Responsibilities Develop and implement Front End and Back … with cross-functional teams to design, develop, and test applications meeting business requirements. Ensure best practices in code quality, testing, and deployment throughout the development life cycle. Participate in architectural discussions and contribute to technical decisions. Conduct code reviews and provide constructive feedback. Communicate effectively with stakeholders, translating technical ...

deliver continuous improvements. Contribute to AI-powered functionality, including LLM integrations, Retrieval-Augmented Generation (RAG) and document processing workflows. Support the full software development life cycle from requirements through to deployment and ongoing support. Required Skills: Degree in Computer Science, Engineering, Mathematics or similar. Experience in enterprise software development experience. Experience in commercial Ruby on Rails development. Proven API development experience. Experience with BDD/TDD methodologies. Knowledge of Kubernetes, PostgreSQL, Git and UNIX/Linux environments. Experience with AI-enabled software development or LLM integration is highly desirable. If you are interested in this ...

automating and maintaining cloud environments. Extensive experience building and optimising CI/CD pipelines, enabling automated build, test and deployment processes. Solid understanding of API development, integration and management, including RESTful services and microservice architectures. Commercial experience developing applications using .NET and/or JavaScript, with the ability ...

using trusted data sources Creating, testing and refining prompts, workflows and AI configurations to maximise accuracy and performance Applying solid software engineering practices including API development, version control, CI/CD and automated testing Monitoring and optimising AI systems in production, ensuring performance, cost control, security and compliance ...

technical audiences Support adoption and continual improvement of automation best practices Essential Skills & Experience Strong knowledge of JavaScript (particularly for rules engine API development) Understanding of SQL for database queries Experience working with JSON data structures Rudimentary knowledge of Java , particularly for data type definitions within ODM tools ...

initial 6 month contract. The selected candidate MUST HAVE CQRS experience and event-driven-architecture. Acts as the technical lead for backend development within a pod, specialising in event-driven architecture and CQRS-based systems. Core Skills:CQRS (non-negotiable), Event Sourcing, .NET/Java/Python, Azure Service … API Development, Distributed Systems Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more ...

designing and maintaining an Integration Services Platform between our Business applications and our clients and clients supply chain systems, responsible for designing Web Based API solutions and middleware using Service Orientated Architecture with .NET to facilitate managed data flows between different organisations in a secure environment. Responsibilities Working with … Solution Technical Lead, API Developer will be directly responsible for all temporary and enduring technical documentation required to develop, test and handover APIs to BAU support; API Developer may be required to contribute toward more detailed solution designs for the wider platform. will be required to work alongside ...

.Net API Developer - 3 days per week in Skipton - Circa £450 per day Inside ir35 - 3 months My client is a global leading consultancy. They are on the hunt for a .NET Developer to join a financial client of theirs. Responsibilities: Maintained and enhanced legacy .NET applications (ASP.NET, .NET … application modernisation initiatives by refactoring legacy components, improving code quality, and contributing to migration planning for newer .NET technologies and architectures. Skills: .NET Integration Development Test automation .Net API Developer - 3 days per week in Skipton - Circa £450 per day Inside ir35 - 3 months Damia Group Limited acts ...

Title: Python Fast API Developer - Onsite in Bristol 2/3 days per week Job Description This role focuses on designing and developing robust Python-based backend applications and services, with a strong emphasis on REST API design and implementation using FastAPI. You will work with Pydantic … quality, maintainable, and well-tested code. The position requires close collaboration with a diverse team to deliver scalable, reliable solutions and to continuously improve development and release processes. Responsibilities Design and develop Python-based applications and backend services. Build, document, and maintain REST APIs using FastAPI, ensuring secure ...

.Net API Developer - 3 days per week in Skipton - Circa £450 per day Inside ir35 - 3 months My client is a global leading consultancy. They are on the hunt for a .NET Developer to join a financial client of theirs. Responsibilities: Maintained and enhanced legacy click apply for full ...