We're working with a technology company building high-performance backend platforms, and we're looking for an experienced Senior Python Backend Engineer to join the team on an initial 4-month contract.
This is a hands-on engineering role focused on designing, building and improving production backend services.
This is NOT an AI, Data Engineering or Cloud Engineering position.
What you'll be doing
- Designing and building production Python backend services using FastAPI
- Developing scalable REST APIs and distributed backend systems
- Working with event-driven architectures using technologies such as Kafka or RabbitMQ
- Improving performance, reliability and maintainability of existing services
- Collaborating with experienced backend engineers on architecture and code quality
What we're looking for
- Commercial experience with FastAPI (or extensive modern Python API development)
- Experience designing and maintaining production REST APIs
- Background working with microservices and distributed systems
- Experience with messaging technologies such as Kafka, RabbitMQ or similar
- Strong SQL/database knowledge
- Experience with Pytest and automated testing
- Comfortable debugging and improving existing production code
Nice to have
- Docker
- SQLAlchemy
- Time-series or event-driven platforms
This role isn't right if...
- Your recent experience is primarily AI / LLM / RAG / Agentic AI
- You're mainly a Data Engineer
- You're primarily a Cloud/DevOps Engineer
- You're an Architect or Manager looking for a leadership role rather than hands-on coding
We're looking for someone who enjoys solving backend engineering problems and writing production Python every day.
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Senior Software Engineer in Watford employer: djr
As a leading international organisation, we pride ourselves on fostering a dynamic and inclusive work culture that values innovation and collaboration. Our commitment to employee growth is evident through our investment in digital products and technology, providing ample opportunities for professional development and advancement. With a hybrid working model based in Preston, we offer a flexible environment that balances the benefits of onsite teamwork with the convenience of remote work, making us an excellent employer for those seeking meaningful and rewarding careers.