24 of 24 FastAPI Jobs in Central London

engineers and leading technical projects Comfortable working in fast-paced startup environments Experience with AI/LLM integrations is highly desirable Python backend experience (FastAPI, Flask, Django) is beneficial Excellent communication and stakeholder management skills This role offers hybrid working, with an office location based in London. For any additional ...

Power BI) Python, JavaScript, TypeScript, Angular or React ASP.NET Core, Entity Framework, REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL databases, vector databases FastAPI and AI service integrations (OpenAI, Claude, Gemini) Docker, Kubernetes (AKS), Azure App Services Azure DevOps, Azure Boards, CI/CD pipelines API Management, OAuth2 ...

scalable mobile APIs (REST, HTTPS, etc.). Good principles of security management (secrets, protocols, etc.). Experience with some Python web frameworks (Django, Flask, FastAPI, etc.). Desirable Skills 👌 Can speak, or learning to speak, more than one language Experience with real-time and/or in-memory databases Experience ...

years of experience in developing and deploying production-grade AI/ML or automation solutions Strong proficiency in Python , with hands-on experience using FastAPI , REST APIs, and background task orchestration Deep familiarity with agentic frameworks such as LangChain , LangGraph , CrewAI , ReAct , or similar Understanding of LLM orchestration , including prompt ...

agent-based applications Deliver rapid prototypes to validate technical and business use cases Build and maintain production-grade AI services and APIs (e.g. FastAPI or similar) Collaborate with engineers, data scientists, architects, and business stakeholders to deliver end-to-end solutions Evaluate and implement AI technologies across open-source ...

enhancement and maintenance of existing applications. Optimize microservices for peak performance. Requirements: Minimum of 5 years' Python coding experience 3+ years using the FastAPI framework. AI experience (Claude, Cursor etc) Experience within a Front-end Development role Experience within a line management capacity Proficiency in microservices and related tools Expertise ...

London | Hybrid | Tech for Good Location: London (hybrid) Salary: £80,000 to £95,000 + equity + benefits Tech stack: • Python (Django, Flask or FastAPI preferred) • React/TypeScript • AWS We’re partnered with a mission driven company using technology to support large scale environmental and operational projects ...

apps for installers on the move Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Mid & Senior Full Stack Engineers | Green Tech & AI | React.js/Node.js/TypeScript | London 2 Days Per Week | £50K - £120K+Equity -> 2+ years commercial experience -> STEM Background ...

evolve us from our existing combination of backend and frontend systems into a new bespoke solution incorporating an API currently being developed in Python (FastAPI with PostgreSQL) and a web-app frontend in React.js or similar. WHAT YOU’LL DO ● Lead the CMS architecture, the heart of the creation ...

team as it grows. The best candidates will be energised by that scope, not daunted by it. REQUIREMENTS: Strong Python in production, ideally including FastAPI or similar async frameworks Proven experience building and deploying LLM-powered applications, not prototypes that never saw users Solid understanding of data modelling and PostgreSQL ...

leverages graph databases, machine learning, and modern cloud infrastructure to deliver intelligent procurement and customer service solutions. Our stack includes: Backend Services : Python 3.13, FastAPI, async micro-services architecture Data Layer : Neo4j graph database, PostgreSQL, complex data modelling AI/ML : OpenAI integration, semantic search, conversational agents, unstructured data analysis … small team Adaptable : Comfortable with ambiguity and rapid iteration Mentoring: Able to mentor less-experienced Software Engineers. Nice-to-Have Qualifications Experience with FastAPI or similar async Python web frameworks Experience with Neo4j or other graph databases Experience with graph algorithms and network analysis Experience with Helm and Kubernetes operators ...

Then a mixture of the following on top: GenAI LLM APIs Experience designing, testing and deploying AI/ML solutions Chat Bots/Agents FastAPI Microsoft Agent Framework LangChain Vector database ML Engineering Job Offer Car allowance of 5k Private medical 25 days + BHS Option to buy 10 more ...

good knowledge of cloud based services (they use GCP but AWS or Azure experience is fine) You have experience of building APIs, ideally FastAPI experience You have a good knowledge of CI/CD, testing and deployment You have a thorough understanding of Computer Science fundamentals such as OOP, Data ...

through strong technical practice and communication Making pragmatic engineering decisions without overengineering everything into oblivion Tech stack: Frontend: Vue.js/TypeScript Backend: Python/FastAPI Cloud & Infrastructure: AWS/Azure, Terraform, GitHub Actions They are absolutely open to engineers from adjacent stacks. Strong product engineers are being considered if they ...

manual processes. They’re building something that handles tenant communication, operations, compliance and transactions through AI agents instead. What They're Looking For Python FastAPI LLMs (production systems) AI agent frameworks (LangGraph or similar) RAG pipelines Postgres Redis Async processing and queuing (Celery, RabbitMQ, SQS) Event-driven architecture CI/ ...

experience required: • Python and production-grade coding • LLMs, AI Agents & Agentic Workflows • LangChain/LangGraph or similar frameworks • RAG Systems • MCP/FastMCP/FastAPI architectures • Cloud platforms (AWS, Azure, or GCP) • AI system deployment, orchestration & optimisation. This role offers the opportunity to work on large-scale AI products ...

change lifecycle to gather feedback and ensure successful delivery Key Requirements : Demonstrated commercial experience in Python development Experience developing Web APIs using Flask, FastAPI, Streamlit, or other leading Python frameworks Experience in Azure Cloud environments (AKS) Experience with streaming data (kafka, Azure Service Bus) This London based role offers ...

architecture, and execution, working closely with Product and Engineering leadership to deliver scalable, secure, production-grade systems in a fast-moving business. Stack: Python, FastAPI, Pydantic, PyTest, Pandas, MySQL, PostgreSQL, Redis, Kubernetes, Docker What do you need? Strong commercial Python backend engineering experience Prior technical leadership experinece Experience operating within ...

pricing, risk, PnL). Translating desk problems into Technical Solutions. This Python developer will be using the full Python ecosystem: NumPy, pandas, SciPy, Plotly, FastAPI, but the desk expects you to go beyond the textbook stack. If you are interested in this Python role with good Front Office experience, please ...

Kubernetes (EKS) Strong knowledge of API design and security (API Gateway, OpenAPI, OAuth2, JWT) Experience with cloud-native frameworks such as Flask or FastAPI Solid understanding of Kubernetes security, IAM, encryption, and CI/CD tooling Exposure to enterprise integrations and event-driven architecture patterns Why This Opportunity is Great ...

both directions 🎯 You'll be a great fit if 🎓 You have a CS background. Degree or equivalent self-taught depth. You can read Python, FastAPI, TypeScript, SQL. You understand how the systems we run actually work. 🛑 You don't want to be an engineer. You've done the engineering thing. ...

RSSB are now seeking an experienced Principal Technical Lead to drive the hands-on technical delivery of a new greenfield industry services platform. This is an exciting delivery-focused role for a senior engineer who ...

We are hiring for a Full Stack Developer, working closely with a wide range of business lines. You will be given the opportunity to work with technical and non-technical experts and develop innovative solutions ...

Lead Python Developer – Climate Tech 👥 Non-Profit | Major Philanthropic Backing | Real Engineering Problems 📍 London (Hybrid, 2/3 days per week) 🔧 Python, FastAPI, PostgreSQL, GCP, Docker I'm working with a fast-growing climate-tech non-profit tackling one of the most important infrastructure challenges in the energy transition. Backed … optimisation, and performance challenges at scale - a long way from your average API job. ⚡ Requirements: 7+ years experience developing and maintain scalable Python/FastAPI back-end services Ideally worked with high-performance APIs for complex hierarchical data queries and grid modelling computations Managed and optimised GCP cloud infrastructure, implementing ...