126 to 150 of 214 FastAPI Jobs in London

platforms (or closely adjacent high-stakes money-movement systems). DeFi, smart contracts, staking, or other on-chain systems. Full-stack development with Python (FastAPI). Strong relational data modeling fundamentals. GitOps and Kubernetes. Job orchestration systems (Airflow, Prefect, etc.). For more information about DRW's processing activities ...

Hands‐on experience with LLM and agent frameworks and agentic reasoning patterns.\* Practical understanding of Model Context Protocol (MCP), including server and tool patterns.\* FastAPI and REST API design and implementation experience.\* Experience with prompt engineering and RAG‐based architectures.\* Containerisation and Kubernetes‐based deployment experience.\* Ability to work across ...

platforms. You'll bring strong technical depth across applications, distributed systems, APIs, integrations and data-intensive systems, alongside experience with technologies such as Python, FastAPI, Django and React. A hands-on approach to engineering, remaining close to the code while influencing technical direction and raising engineering standards. Curiosity and enthusiasm ...

skills and familiarity with libraries like PyTorch, Hugging Face, LangChain, or OpenAI APIs Solid understanding of data pipelines, APIs, and production deployment (e.g., Docker, FastAPI, GCP/AWS) Experience building usable systems from messy data and ambiguous requirements Strong communication skills — you can explain technical decisions to delivery teams ...

expect you to know all of this on day one, but you should be excited to work with: Languages/Frameworks: Python, Django, FastAPI What We Offer Competitive salary and benefits package Discretionary performance-based bonus A truly dynamic, global environment with massive scale and exposure Continued personal development through ...

FHIR R4, HL7, LOINC, SNOMED CT or longitudinal clinical data. Experience in healthcare, life sciences or another regulated or safety-sensitive domain. Familiarity with FastAPI, Pydantic, MongoDB, Elasticsearch, hybrid or vector search, LangGraph or similar agent frameworks. Experience with Azure or AWS, containers, on-premise deployments, multi-tenant systems, privacy ...

opportunity. Key Responsibilities On the backend, you will design, build and maintain scalable services and RESTful/GraphQL APIs using Python with Django or FastAPI, writing clean, well-tested, production-grade code with a focus on reliability and performance. You will design and implement data models working with PostgreSQL … more years, in software engineering with a strong track record of delivering production systems. You have backend proficiency in Python with Django or FastAPI, strong frontend experience with React and TypeScript including component architecture, state management and modern tooling, and a solid understanding of relational databases, PostgreSQL preferred, covering schema ...

grow. In this role you will: Own end‐to‐end multiple backend services - APIs, data pipelines, shared libraries, and ML‐adjacent packages (Python, FastAPI, NestJS) Build frontend dashboards and UIs with clean DOM rendering, efficient state management, and solid UX principles (React, TypeScript) Design and work with data models … strong full-stack experience - you’re comfortable building APIs, writing database queries, and shipping React/Next.js UIs You’ve built production services with FastAPI or similar frameworks You understand dependency management and packaging - you’re comfortable with uv , pyproject.toml , editable installs, and managing dependency graphs across shared libraries ...

This role is for one of the Weekday's clients Min Experience: 6 years Location: London JobType: full-time We are seeking a highly skilled and experienced Senior Software Engineer with deep expertise in Python ...

operate MCP-based platforms and collaborate with product teams to deliver reliable AI tooling. The role requires strong Python, expertise with LLM frameworks, FastAPI, and Kubernetes, plus experience with RAG and tool orchestration in an enterprise setting. #J-18808-Ljbffr ...

role emphasizes platform engineering, API standards, and observability across services. The ideal candidate has extensive backend experience, strong Python skills, and familiarity with FastAPI, Docker, Kubernetes, and CI/CD in cloud contexts. #J-18808-Ljbffr ...

Data Repository for sensor and monitoring data. You will design back-end services, APIs and front-end applications using Python and/or JavaScript, FastAPI, SQL and time-series databases, with Docker and GitHub. #J-18808-Ljbffr ...

Engineer to own and evolve the analytics workbench used for cross-team decision making. You’ll work across the full stack (Angular frontend, Python FastAPI backend) and coordinate with an offshore vendor team to keep delivery on track. This hands-on role targets teams shipping enterprise software with AI-enhanced ...

/AI Agent development LLMs/Generative AI RAG (Retrieval-Augmented Generation) OpenAI/GPT Anthropic Claude LangChain, LangGraph, AutoGen, CrewAI or similar FastAPI/API development AI orchestration, tool calling and guardrails Strong Investment Banking/Capital Markets experience Excellent communication and stakeholder‐facing skills The Role You will ...

client teams across a variety of industries. Key Responsibilities: Develop and maintain Python applications using clean, scalable, and reusable code. Build RESTful APIs with FastAPI , including API endpoints, request/response validation, authentication, and error handling. Design and optimize SQL queries for retrieving, updating, and managing data efficiently. Integrate APIs ...

product, and senior engineers to ship reliable, accurate features Must‐have 3-5 years of professional experience building production software in Python Experience with FastAPI (or a similar web framework) Strong SQL skills and hands‐on production experience with SQLalchemy/PostgreSQL Professional experience with DockerSolid understanding of RESTful ...

retrieval, multi-step reasoning, evals, guardrails. Customer-facing experience preferred. Wealth, fintech or another regulated industry is a strong plus. Stack and tools Python (FastAPI, Pydantic, async stack), Azure (App Services, Functions, AI Foundry, Key Vault, Entra ID, Private VNet), Postgres, OpenAI and Anthropic models, evaluation frameworks for agentic systems ...

natural-language querying, rather than one-off extracts. Design and ship internal applications and AI-enabled tools - using Python, Streamlit , Databricks Apps (HTMX) , Lakebase , FastAPI or similar - that put data and AI directly into the hands of fund management, asset management and finance teams. Prototype, evaluate and productionise ...

experience directly managing engineers Expert-level proficiency in Python or Typescript/Javascript; strong working knowledge of modern backend & web application frameworks like FastAPI, Node, React, or Rails Direct experience applying multimodal (audio, image) AI in content production or generation workflows Hands-on experience building AI and agent-powered features ...

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 ...

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 ...

later iterations Able to work and intervene on the whole life cycle of the software Tech Stack: Kotlin with Spring Boot & Python with FastAPI What to Expect from Our Hiring Process At Plum, we value a lot the time you devote to the hiring process, this ...

right technical toolkit. Strong Python, hands‐on experience with LLMs (OpenAI, Anthropic, open‐source), agent frameworks, RAG pipelines, vector databases, and backend infrastructure like FastAPI, Postgres, and ElasticSearch, or close enough that the gaps close fast. Domain curiosity, not just technical ability. You go deep on the problem, not just ...

point to what changed because of your work, that's a flag. The right technical toolkit. Strong Python, hands-on experience with FastAPI, Postgres, ElasticSearch, RabbitMQ, Redis, message queues, and distributed systems, or close enough that the gaps close fast. Domain curiosity, not just technical ability. You go deep ...

embeddings, semantic search, retrieval-augmented generation and model adaptation. Proficiency with a modern machine learning and application engineering toolkit; experience may include PyTorch, MLflow, FastAPI, SQLAlchemy or comparable technologies. Experience acquiring and processing data from structured, unstructured and web-based sources using appropriate tools and methods. Experience delivering solutions ...