5 of 5 Remote/Hybrid Contract API Development Jobs

Senior Backend Python Developer

Hiring Organisation
ARM
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
standards. Implement business logic, data access layers, and integrations with internal and external systems. Develop and enhance RESTful APIs, following defined contracts and API standards. Write clean, maintainable, well-tested code, adhering to agreed engineering best practices. Contribute unit and integration tests to ensure functional correctness and regression safety. … assigned work. Follow established security, performance, and reliability guidelines when implementing backend changes. Skills & Experience Core backend engineering 3-6+ years of backend development experience. Strong experience with Python or equivalent backend frameworks. Solid understanding of REST API development, request/response models, and error handling. ...

Full Stack Engineer - Investment Management

Hiring Organisation
CBSbutler Holdings Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£800 - £1200 per day
drive engineering modernisation, cloud adoption, and scalable analytics capabilities within a fast-paced financial environment. You will play a key role in the design, development, and enhancement of enterprise-grade investment and credit trading technology solutions. The role combines hands-on engineering with modern cloud-native delivery practices, automation … assisted software development approaches Responsibilities include: * Develop and enhance full-stack applications supporting investment and trading workflows * Build and optimise cloud-based data platforms and pipelines using Snowflake and DBT * Deliver reporting and analytics solutions using Sigma and Power BI * Support .NET application modernisation and API development ...

Full Stack Java Developer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/hour
performing engineering team. You will take a lead role in the design and delivery of complex, enterprise-scale solutions, bringing strong Java, AWS, and API expertise to a programme that is making a real difference to patient care across the country. KEY RESPONSIBILITIES Lead the design and development … applying well-architected principles throughout Design, develop, and test REST APIs to a high standard, ensuring performance, reliability, and security Use Postman for API testing, documentation, and validation across development and test environments Contribute to architectural decisions and technical standards alongside the Technical Architect Carry out thorough code ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 Daily
APIs, ensuring performance, reliability, and security standards are met Write and maintain automated end-to-end test suites using Playwright as part of the development workflow Contribute to architectural decisions and engineering standards alongside the Technical Architect Carry out thorough code reviews, championing quality and best practice across … automated build, test, and deployment processes Collaborate effectively with cross-functional teams including architects, testers, and product owners Troubleshoot and resolve complex issues across development, test, and live environments SKILLS AND EXPERIENCE NHS or government experience is essential - candidates without this will not be considered Strong, demonstrable senior-level ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£450/day
APIs, ensuring performance, reliability, and security standards are met Write and maintain automated end-to-end test suites using Playwright as part of the development workflow Contribute to architectural decisions and engineering standards alongside the Technical Architect Carry out thorough code reviews, championing quality and best practice across … automated build, test, and deployment processes Collaborate effectively with cross-functional teams including architects, testers, and product owners Troubleshoot and resolve complex issues across development, test, and live environments SKILLS AND EXPERIENCE NHS or government experience is essential - candidates without this will not be considered Strong, demonstrable senior-level ...