16 of 16 Contract API Development Jobs in England

Lead java kotlin Developer

Hiring Organisation
Purview Consultancy Services Ltd
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
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 ...

DevX POD Lead (Kotlin/Java)

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£480 - £529/day
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 ...

.Net Developer- Active SC (MANDATORY)

Hiring Organisation
scrumconnect ltd
Location
Taunton, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
government client. As a Senior Developer, you will bring strong hands-on experience across both .NET and Python, contributing to cloud-native API development, Legacy modernisation, and DevSecOps practices - all within a Microsoft Azure environment and aligned to the highest engineering and security standards. Key Responsibilities Design, develop … maintain full-stack applications and services using .NET Core and Python. Build and consume RESTful APIs following API-first and microservices design principles. Contribute to CI/CD pipelines in Azure DevOps - build, test, and deployment automation. Apply DevSecOps practices including SAST/DAST scanning, dependency management, and environment ...

C# .Net Developer

Hiring Organisation
Pontoon
Location
Bromley, Kent, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £750 per day
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 ...

C# .NET Developer

Hiring Organisation
Pontoon
Location
Bromley, London, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £750/day Inside IR35
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 ...

Technical Lead (Python/Django)

Hiring Organisation
scrumconnect ltd
Location
Surrey, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
helping organisations build scalable and impactful digital products and platforms. We are currently seeking an experienced Senior Data Analyst to support the design and development of reporting dashboards and analytics for CAF and risk reporting tools within a major digital transformation programme. Job Summary We are looking … highly skilled Technical Lead with strong expertise in Python, Django, and modern web application architecture. The ideal candidate will be responsible for leading development teams, designing scalable Back End systems, and driving end-to-end technical delivery for enterprise-grade applications. The candidate should have hands-on experience with ...

Senior Integration Engineer

Hiring Organisation
ifndautoparts
Location
Towcester, Northamptonshire, East Midlands, United Kingdom
Employment Type
Contract, Work From Home
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 ...

Senior Java Developer

Hiring Organisation
Falcon Chase International
Location
Solihull, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Participate actively in Agile ceremonies including Sprint Planning, Daily Stand-ups, Reviews, and Retrospectives Required Skills & Experience 8+ years of experience in Java application development Strong expertise in: Java 17+ Spring Boot Spring Data JPA/Hibernate Microservices Architecture RESTful API Development PostgreSQL Experience working with … Cloud Services Docker Jenkins Maven Git Good understanding of: JUnit Test-Driven Development (TDD) Agile (Scrum/Kanban) Jira & Confluence Excellent analytical, problem-solving, and communication skills Nice to Have Angular & TypeScript Spring Cloud ActiveMQ TestContainers Mockito SonarQube Grafana Prometheus SOAP Web Services Experience working on UK Public Sector ...

Full Stack Developer- Python & Azure

Hiring Organisation
Intuition IT Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Front End technologies: React, TypeScript Back End development: Python-based RESTful API development Databases: MongoDB and SQL databases Cloud platform: Microsoft Azure, especially Azure Kubernetes Service Containerization & orchestration: Kubernetes and container-based deployments DevSecOps tools: GitHub, GitHub Actions, CI/CD workflows GitOps deployment: ArgoCD for Kubernetes … deployment Testing tools: Vitest, Pytest, and Playwright exposure Preferred skills: Databricks, Azure Developer Certification AZ-204, Scrum/Agile development ...

Senior Frontend Developer (SC Cleared)

Hiring Organisation
Montash
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
public sector client in hiring a Senior Frontend Developer to join an established engineering team delivering and maintaining web-based applications and REST API services across a secure environment. This is a hands-on full stack development role with a strong emphasis on Python Flask and REST API … development. The successful candidate will work across both the Back End and Front End, contributing to API design and implementation, TypeScript and React Front End development, and the ongoing maintenance and improvement of existing services. This role suits an experienced Senior Frontend Developer with a solid Flask ...

Scala Developer

Hiring Organisation
Lucid Support Services Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
working (two consecutive days per month onsite in London) 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 ...

AWS DevOps Engineer- Bristol based

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Bristol, Avon, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
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 ...

C# .Net Developer

Hiring Organisation
Pontoon
Location
Bromley, London, United Kingdom
Employment Type
Contract
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 ...

Full Stack Developer

Hiring Organisation
Technical Staffing Resources Limited
Location
Leatherhead, Surrey, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £60 per hour
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

Hiring Organisation
Damia Group Ltd
Location
Skipton, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450 per day
.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 ...

.Net API Developer

Hiring Organisation
Damia Group Ltd
Location
Skipton, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 450 Daily
.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 ...