4 of 4 Permanent FastAPI Jobs in South Yorkshire

Principal Software Engineer (Software Team Lead)

Hiring Organisation
Touchstone Advisory Limited
Location
Sheffield, UK
Employment Type
Full-time
team and guiding architectural direction. • Deep experience developing modern web applications, ideally having launched a product to market. • Expertise in React, Redux, TypeScript, Python, FastAPI, and SQLAlchemy. • Strong understanding of cloud technologies (AWS preferred). • Excellent grasp of software architecture, design patterns, and scalable system design. • Strong communicator with ...

Full Stack Engineer

Hiring Organisation
Propel
Location
Doncaster, South Yorkshire, UK
Employment Type
Full-time
work autonomously is key. Key Responsibilities: • Designing and building back-end services in Python • Developing scalable micro-services • Building and consuming RESTful APIs (FastAPI) • Working with relational and NoSQL databases • Supporting React frontend development (initially) • Collaborating closely with product, frontend, and DevOps • Writing clean, maintainable code and contributing to reviews … Following best practices around CI/CD and automated testing Requirements: • 3+ years back-end engineering experience • Strong Python skills • Experience with FastAPI • Microservices/distributed systems experience • Database experience (PostgreSQL, MySQL, MongoDB, etc.) • React experience (commercial or strong hands-on) • Knowledge of Docker/Kubernetes • Exposure ...

Artificial Intelligence Engineer

Hiring Organisation
Cubiq Recruitment
Location
Sheffield, UK
Employment Type
Full-time
understand the trade-offs between speed, cost, and model performance. Design, implement, and productionise multi-agent LLM systems that reason, plan, and coordinate. Develop FastAPI-based microservices optimised for low latency and high reliability. Engineer and evaluate RAG pipelines: hybrid retrieval, re-ranking, grounding, and context validation. Integrate real-time … model-faithfulness metrics. What we're looking for Proven ability to build and ship agentic or multi-agent frameworks into production. Expert Python, FastAPI, and asyncio developer. Practical experience with LangChain, Autogen, or custom orchestration layers. Startup mindset: ownership, speed, and pragmatism over perfection. Bonus points Experience working with voice ...

Senior Python Engineer

Hiring Organisation
Prism Digital
Location
Doncaster, South Yorkshire, UK
Employment Type
Full-time
Senior Backend Engineer | Python, FastAPI & Scaling | Security SaaS Salary: £75k - £85k plus bonus Location: Fully remote, (UK-based) Sponsorship is not available for this role Prism Digital have partnered with a super interesting and niche VC-backed client specialising in attack surface management and automated red teaming. Their platform provides … messaging queues e.g., Kafka (nice to have) This is entirely a Python back-end development role (Python 3), where the core framework used is FastAPI and Kafka for the messaging queues. The data sits in PostreSQL and MongoDB. Benefits Up to £85,000 Fully remote 28-day holidays (including bank ...