26 to 33 of 33 FastAPI Jobs in London

at least 5+years of experience as a Lead Full Stack Develope r What you’ll do: • Craft sleek, responsive UIs with React • Build robust APIs & backend services in Python (FastAPI or Django/Flask) • Design, develop, and own features end-to-end • Influence the evolution of our tech stack • Work with cutting-edge tools: GCP/AWS/Azure, MySQL …/Kubernetes, CI/CD, IaC • Champion security best practices in a regulated space • Explore AI & machine learning (LLMs, LangChain, TensorFlow, PyTorch) What you’ll bring: • Strong React & Python (FastAPI/Django/Flask) experience • Solid API design & database skills • Start-up or scale-up mindset, adaptable and hands-on • Passion for AI and innovation in healthcare Why join? • Build More ❯

at least 5+years of experience as a Lead Full Stack Develope r What you’ll do: • Craft sleek, responsive UIs with React • Build robust APIs & backend services in Python (FastAPI or Django/Flask) • Design, develop, and own features end-to-end • Influence the evolution of our tech stack • Work with cutting-edge tools: GCP/AWS/Azure, MySQL …/Kubernetes, CI/CD, IaC • Champion security best practices in a regulated space • Explore AI & machine learning (LLMs, LangChain, TensorFlow, PyTorch) What you’ll bring: • Strong React & Python (FastAPI/Django/Flask) experience • Solid API design & database skills • Start-up or scale-up mindset, adaptable and hands-on • Passion for AI and innovation in healthcare Why join? • Build More ❯

at least 5+years of experience as a Lead Full Stack Develope r What you’ll do: • Craft sleek, responsive UIs with React • Build robust APIs & backend services in Python (FastAPI or Django/Flask) • Design, develop, and own features end-to-end • Influence the evolution of our tech stack • Work with cutting-edge tools: GCP/AWS/Azure, MySQL …/Kubernetes, CI/CD, IaC • Champion security best practices in a regulated space • Explore AI & machine learning (LLMs, LangChain, TensorFlow, PyTorch) What you’ll bring: • Strong React & Python (FastAPI/Django/Flask) experience • Solid API design & database skills • Start-up or scale-up mindset, adaptable and hands-on • Passion for AI and innovation in healthcare Why join? • Build More ❯

classification, clustering, time-series forecasting). Practical experience with Keras or PyTorch is required. Full-Stack Deployment: Demonstrable experience taking models to production, including building and deploying APIs with FastAPI and using Vertex AI for ML workflows. Visualization & Communication: Ability to create clear visualizations and effectively communicate technical findings to non-technical stakeholders. Highly desirable skills include: Football Analytics Domain More ❯

and maintain end-to-end web applications powered by GenAI and LLMs Collaborate with data scientists, product managers, and designers to deliver impactful tools Develop both backend logic (Python, FastAPI, Flask) and frontend components (React, TypeScript) Implement cloud-native services using Azure , with a focus on scalability and performance Integrate APIs, manage data flows (SQL, GraphDB, CosmosDB), and optimise DevOps … ML tooling, LLM APIs , and modern development practices What You'll Bring 3+ years' experience building enterprise-grade full stack applications Strong backend skills with Python and frameworks like FastAPI or Flask Solid frontend capabilities using React , TypeScript , HTML/CSS Experience working with both SQL and NoSQL (GraphDB, CosmosDB, Postgres, etc.) Familiarity with cloud development (ideally on Azure ) and More ❯

to make a tangible impact. As a Lead Backend Engineer, you'll take ownership of designing and scaling cloud-native Back End systems. You'll work primarily with Python (FastAPI) and play a key role in shaping the architecture of microservices that support millions of users. Beyond hands-on development, you'll provide technical leadership, mentor team members, and influence … service-oriented architecture. Champion the use of AI and automation to enhance productivity across the team. What experience do I need: Strong background building and scaling Python-based systems (FastAPI, Flask, or Django REST). Proven leadership experience in a development environment Solid expertise in microservices, APIs, messaging patterns, and distributed systems. Proficient with cloud platforms (AWS, GCP, Azure) and More ❯

Senior Backend Engineer, you'll play a central role in building and scaling the systems that power their insurance platform. You'll focus on developing Python-based cloud microservices (FastAPI preferred), contributing to the architecture of resilient, high-performance systems, and collaborating with a cross-functional team to deliver features at pace. This is a hands-on engineering position with … plenty of scope to influence technical direction, improve processes, and grow your expertise in distributed systems. What will I be doing: Design, develop, and maintain Python microservices (FastAPI) running in production. Take ownership of features end-to-end, from design to deployment and monitoring. Write high-quality, testable code with a focus on scalability and resilience. Collaborate closely with engineers … product managers, and designers to deliver quickly. Contribute to evolving architecture, tooling, and CI/CD practices. What experience do I need: Strong background in Python development (FastAPI, Flask, or Django). Good knowledge of microservices, APIs, and cloud-based infrastructure. Experience with SQL and NoSQL databases, Git, and CI/CD workflows. Solid engineering fundamentals - data structures, OOP, debugging More ❯

FastAPI. You'll work in a cross-functional team delivering reliable, performant services that power our core insurance platform. What You'll Do Design, build, and maintain Python microservices (FastAPI) in production Own features end-to-end: design, build, test, deploy, monitor Write clean, testable code with strong attention to performance and resilience Collaborate with engineers, PMs, and designers to … ship fast Contribute to system architecture and CI/CD practices What We're Looking For Experience building backend systems with Python (FastAPI, Flask, or Django) Solid understanding of microservices, cloud infrastructure, and APIs Familiar with SQL/NoSQL, version control (Git), and CI/CD pipelines Strong fundamentals: data structures, OOP, debugging Curious, collaborative, and eager to leverage AI More ❯