1 to 25 of 26 FastAPI Jobs in Central London

skills by exploring and experimenting with emerging technologies, including GenAI. Your skills and experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity ...

skills by exploring and experimenting with emerging technologies, including GenAI. Your skills and experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity ...

like React Proficiency with writing maintainable Python and Typescript, including experience of working with relevant libraries for data processing and backend API development (i.e., FastAPI, Pydantic, expressJS, NodeJS, NextJS API Router, etc) Good understanding of cloud deployment Strong understanding and proven experience working with browsers and web APIs including HTML ...

demonstrate business value Supporting demonstrations, proposals, bids and the development of new AI offerings Experience Required Building robust AI services and APIs using Python, FastAPI, Django or Flask, supported by strong SQL Create engaging, responsive AI products using TypeScript, JavaScript, React and Next.js Ground LLM applications in trusted business data ...

4+ years in software, data, or ML engineering, including 2+ years building production LLM apps, RAG, or autonomous agents. Python: Expert-level production Python (FastAPI, Pydantic, asyncio, pytest, packaging). Agentic Frameworks: Hands-on experience with frameworks such as LangGraph, AutoGen, CrewAI, or native agent SDKs. Data & Cloud: Advanced ...

production‐quality code practices Strong understanding of software engineering principles, architecture patterns, and delivery best practices Experience with API development using frameworks such as FastAPI, Flask, or Django Knowledge of Docker, containerised deployments, CI/CD, and cloud‐native delivery patterns What Will Make You Stand Out Experience building, deploying ...

extending existing models; Bloomberg API integration to Python; data science/statistics, signal research, backtesting or factor modelling; full stack familiarity (Flask, Django, FastAPI); SaaS build/deploy on cloud (Docker, AWS or similar); an understanding of Java; and experience in quantitative finance or with financial market data. Qualifications & Experience ...

containerized architecture with a NextJS/React client frontend. Design, develop, and maintain scalable RESTful APIs and microservices using Python frameworks such as FastAPI or Flask. Build and support cloud-native solutions leveraging AWS services including Lambda, ECS Fargate, API Gateway, DynamoDB, S3, Secrets Manager, and CloudWatch. Work closely with … delivery. Contribute to documentation, knowledge sharing, and continuous improvement within the engineering team. Requirements: Professional software engineering experience. Strong commercial experience with Python using FastAPI, Flask, or similar backend frameworks. Extensive experience developing RESTful APIs, microservices, and backend services. Strong hands‐on experience with AWS cloud services, including ECS Fargate ...

comfortable across backend and frontend engineering. Strong commercial Python experience building, deploying and maintaining production services. Excellent TypeScript and React development experience. Experience with FastAPI or similar Python backend frameworks. A strong understanding of software architecture, system design and engineering trade-offs. Solid knowledge of concurrency, asynchronous programming, APIs ...

close to the code while supporting your team to deliver. You'll drive cloud first engineering across an Azure based platform, using Python/FastAPI, React/TypeScript, PostgreSQL, MongoDB and a multi-provider LLM stack including OpenAI, Gemini and Anthropic. You'll champion high quality, scalable and cost effective ...

including APIs, databases, Git, testing, debugging, and application architecture.Familiarity with frontend and backend development using technologies such as React, Node/TypeScript, Python/FastAPI, or similar.Conceptual understanding of cloud platforms such as AWS, Azure, or GCP; hands-on deployment experience is beneficial but not required.Exposure to generative AI application ...

evaluating tree-based, temporal, NLP or LLM-based models. Experience building reproducible training and evaluation pipelines, and containerising and deploying models (for example, Docker, FastAPI). Strong SQL, a solid grounding in relational databases, schemas and data transformations (ideally DBT), and experience preparing data for model training and scoring. Hands ...

have strong commercial software engineering experience, at Senior or Principal level You have expertise with Python development combined with experience using Django or FastAPI (happy to use Django going forward) You can lead the design and delivery of software products and take projects from initial concept through to production ...

obsessed with the customer, which is how we hold 4.9 on both Trustpilot and Google. The stack: TypeScript on the backend, Python and FastAPI for Jay, Next.js up front, AWS underneath, Claude Code woven through how we build. You won't have used all of it, and you'll change ...

Proven experience operating as a Lead Engineer or Principal Engineer within complex delivery environments. Strong experience developingbackend services using: Kotlin Java Spring Boot Python FastAPI Frontend development experience using: TypeScript Node.js Express Experience working within cloud-native environments and modern software delivery practices. Ability to operate independently and drive outcomes ...

document intelligence and custom tools, with a focus on evaluation pipelines, model routing, and agent/tool orchestration and permissions. Working with Python (including FastAPI), specifically LangChain (and LangGraph where necessary), SQL and scalable (vector) databases. Enforcing rigorous evaluation to cover edge cases and determine specific mitigations for prompt injection ...

Virtual Personas Delivery of the Product roadmap Managing a team consisting of a range of skillsets and experience Full stack development, across Python/FastAPI services and React/TypeScript front ends Continuously improving the team's processes for iterative development, including embedding automated testing and CI quality gates into … encouraging our developers Conducting regular 121's, setting objectives and assisting with tailored development plans Our engineering environment includes technologies such as Python (FastAPI), LangChain/LangGraph for multi-agent LLM orchestration, React/TypeScript, PostgreSQL, MongoDB, Redis, Azure (App Service, Container Registry, Blob Storage), Docker, GitHub Actions, and modern ...

Python Engineer/Tech Lead (FastAPI GCP) London/WFH to £140k+ Are you a skilled a backend focussed Python technologist with technical leadership skills? You could be progressing your career at a well funded and profitable FinTech scale-up. As a Python Engineer/Tech Lead you'll head ...

with platform engineers through design, build and deployment. You will guide architecture, governance, and implementation across complex engagements. The role requires hands-on Python (FastAPI), experience with agentic AI frameworks and MCP, and a track record of shipping AI at #J-18808-Ljbffr ...

What You'll Be Doing As a Senior Python Engineer, you'll be responsible for designing, developing and enhancing the batch processing and operational systems that support one of the world's leading exchange operators. ...

APIs, vector databases, and MCP (Model Context Protocol) tooling Process unstructured data into condensed, structured knowledge, including ontology extraction Write production‐grade Python services (FastAPI) with solid engineering practices: design, testing, code review, CI/CD Work with relational and graph databases (e.g. Postgres, Neo4j) to model and serve data … Experience 8–10+ years in software or solution engineering, with a track record of shipping AI systems in client‐facing engagements Strong Python engineering (FastAPI), with solid SDLC practices: design, testing, code review, CI/CD, Git & GitHub Hands‐on experience with agentic AI frameworks (examples include LangGraph, CrewAI, AutoGen ...

About the Role At GSK, we are actively working on building a future in which state-of-the-art software, Artificial Intelligence (AI) and Machine Learning (ML) enable us to develop new therapies and personalized ...

Essential Skills Expert-level Python development experience. Strong commitment to writing clean, maintainable and testable code. Advanced SQL knowledge and database optimisation experience. Deep understanding of Linux environments. Excellent knowledge of algorithms and data structures. ...

Python Engineer/Tech Lead (FastAPI GCP) London/WFH to £140k+ Are you a skilled a backend focussed Python technologist with technical leadership skills? You could be progressing your career at a well funded and profitable FinTech scale-up. As a Python Engineer/Tech Lead you'll head … 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 ...

Responsible for leading the design and development of our core applications and internal tools, including multiple production UIs built using Python-centric stacks (e.g. FastAPI, Jinja, HTMX, Tailwind). Responsible for making and guiding implementation decisions across backend services, APIs and application architecture. Contribute directly to production code, setting … pragmatic approach to debugging and system design. Comfort working in evolving environments where priorities change and ambiguity exists. Nice to Have Skills Experience with FastAPI or similar Python web frameworks. Experience with infrastructure-as-code and cloud platforms. Familiarity with lightweight frontend approaches (e.g. server-rendered HTML, HTMX, utility-first ...