Backend Engineer

Backend Engineer | 6 Month Contract | Remote (UK) We're looking for a Backend Engineer (Junior-Mid Level) to join a small, agile team building a data and intelligence platform used by enterprise clients. You'll work on high-performance backend services, APIs, and data pipelines, collaborating closely with frontend developers and data specialists. This is a hands-on role that offers strong learning potential within a modern tech environment. Location: Remote (UK) Contract: 6 Month (OIR35, likely extension) Rate: £300-350 p/day Start: ASAP Key Skills: • Experience with Python and modern frameworks such as FastAPI or Flask. • Understanding of SQLModel / SQLAlchemy and relational database design. • Knowledge of PostgreSQL and query optimisation. • Extensive exposure to Celery • Familiarity with AWS and CI/CD pipelines. • (Bonus) Interest in data platforms, analytics, or cloud-native architecture • (Bonus) Experience in data-heavy systems or B2B SaaS Key Responsibilities: • Design, develop, and maintain backend services using Python and FastAPI to power a data and intelligence platform • Build and optimise database models with SQLModel and SQLAlchemy. • Integrate with PostgreSQL databases and external APIs. • Contribute to feature development, testing, and deployment. • Collaborate with the frontend and data teams to deliver scalable solutions • Own features end-to-end - from understanding the business context to shipping and maintaining production code If you're interested, apply now for immediate consideration. Oscar Associates (UK) Limited is acting as an Employment Business in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.