Contract
Back End Developer
Vallum Associates
Sheffield
Posted: 29 September 2026 (Yesterday)
Closing date: 29 October 2026
Ref: 225662087
Key Responsibilities
- Develop and maintain scalable applications using Python and React.
- Design and develop RESTful APIs using Python/FastAPI.
- Build responsive and reusable frontend components using React.
- Integrate frontend applications with backend APIs and cloud services.
- Develop, test, debug and deploy applications across AWS, Azure or GCP environments.
- Work with development teams, architects and business stakeholders to deliver technical solutions.
- Write clean, maintainable and well-tested code.
- Troubleshoot performance, integration and production issues.
- Follow Agile development practices and engineering standards.
- Use Git and CI/CD tools for source control and deployment.
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