Backend Engineer
eTeam Workforce Limited
Yorkshire, United Kingdom
ITPython (Programming Language)PHP DevelopmentFlaskBackendBackend ProgrammingFront End Software DevelopmentApi Design
Description
We are a Global Recruitment specialist that provides support to the clients across EMEA, APAC, US and Canada. We have an excellent job opportunity for you.
Role Title: Backend Engineer
Location: Sheffield (Hybrid -03 days per week)
Duration: 31/01/2027
Pay Rate: £358 per day all inc(PAYE through FCSA Umbrella)
Role Description:
- Design, build, test and maintain secure, scalable Back End services and APIs, primarily using Python.
- Deliver production-quality code through sound engineering practices: version control, automated testing, code review, CI/CD, and clear technical documentation.
- Integrate services with internal platforms, data sources and third-party APIs, handling authentication, authorisation, resilience, and error management appropriately.
- Build and support AI-enabled features, including integrations with LLMs, retrieval-augmented generation (RAG), prompt workflows, and agentic patterns.
- Implement appropriate AI evaluation, monitoring, guardrails, and human oversight to ensure solutions are reliable, secure, and used responsibly.
- Investigate and resolve defects, performance issues, and operational incidents; use logs, metrics, and traces to improve reliability.
- Work with product, design, data, and engineering colleagues to turn requirements into practical, maintainable technical solutions.
- Contribute to technical design discussions, estimate work realistically and deliver agreed outcomes to time and quality expectations.
- Keep up to date with relevant engineering, AI and security practices, applying them pragmatically to day-to-day delivery.
Skills required
- Strong hands-on Python development experience, including building Back End applications, services, and RESTful APIs.
- Experience with common Python frameworks and tooling, such as FastAPI, Flask or Django; pytest; dependency/package management; and asynchronous programming where relevant.
- Good understanding of software engineering fundamentals: clean code, object-oriented and/or functional design, testing, debugging, API design, and source control.
- Experience working with relational and/or NoSQL databases, writing efficient queries and designing data models.
- Practical experience building or integrating generative AI solutions using LLM APIs and orchestration frameworks.
- Understanding of RAG, embeddings, vector stores, prompt design, agent workflows, model evaluation, and AI safety/guardrails.
- Experience with cloud-hosted applications, containers, and CI/CD pipelines.
- Awareness of secure development practices, including secrets management, access control, data protection, and dependency security.
- Strong analytical and problem-solving skills, with the ability to work through ambiguous technical issues.
- Clear written and verbal communication, able to explain technical decisions to engineers and non-technical colleagues.
Nice to have
- Front End development experience with React, TypeScript, JavaScript, and modern UI/component libraries.
- Experience building full-stack applications or collaborating closely with Front End engineers on API contracts and user journeys.
- Familiarity with observability tooling, such as application logging, monitoring, and distributed tracing.
- Experience working in regulated, enterprise-scale or security-conscious environments.
If you are interested in this position and would like to learn more, please send through your CV and we will get in touch with you as soon as possible. Please note, candidates are often Shortlisted within 48 hours.