FastAPI Jobs in London

201 to 225 of 326 FastAPI Jobs in London

FULL STACK SOFTWARE DEVELOPER – LONDON, BRISTOL, CAMBRIDGE, MANCHESTER OR EDINBURGH

London, England, United Kingdom
Hybrid / WFH Options
Max Fordham LLP
code-based methods to create innovative solutions. Examples of work completed include: WebApp (Vue, SQL) for tracking financial performance of projects and who is working on what. Digital Schedules (FastAPI, SQL) product catalogue for recording specification information for all products specified across all projects. This application interfaces with Revit and can be used to print contract-ready documents for live … Engage with engineers and consultants about how the tools work and how we can use software development to fulfil engineering project requirements efficiently What technology do we use? Python, FastAPI, Jupyter, JupyterHub, Voila SQL Git, GitHub Ansible Revit, Revit API, pyRevit IES, IES Python API Rhino, Grasshopper and the supporting ecosystem ABOUT YOU We value people who can think analytically More ❯
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Senior Python Developer (hybrid)

London, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
teams and contributing directly to a product that transforms the way property is transacted globally. Ideal candidates will have: 4+ years of proven experience in Python, with experience in FastAPI and SQLAlchemy. Strong infrastructure skills using Terraform and familiarity with cloud services (especially Azure). Expertise in CI/CD, automated testing, and scaling applications. Excellent teamwork skills and the More ❯
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Junior Software Engineer

London, England, United Kingdom
BioTalent Ltd
and adapt quickly Familiarity with git and a passion for intuitive, modern UX Bonus if you have: Experience with React, TypeScript, or Redux Toolkit Knowledge of Flask, Django, or FastAPI Interest in biosciences or experience working with NoSQL databases #J-18808-Ljbffr More ❯
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Senior Software Engineer

Greater London, England, United Kingdom
Burns Sheehan
before they hit Series A! As a Senior Python Engineer... you should have 4+ years commercial experience and have a strong understanding of Python and its frameworks (Django, Flask, FastAPI). You should have experience working with cloud technologies as well as a passion for working in a startup where things can change quickly and everyone wears multiple hats. If More ❯
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Machine Learning Engineer

City of London, London, United Kingdom
The Portfolio Group
TensorRT Multi-Agent Orchestration: Work with LangChain, AutoGen, CrewAI, DSPy and similar tools Cloud & MLOps (AWS): Deploy with SageMaker, Bedrock, Lambda, S3, ECS, EKS Full-Stack Integration: Build APIs (FastAPI, Flask) and integrate with React, TypeScript, Node.js Vector Search: Use FAISS, Weaviate, Pinecone, ChromaDB, OpenSearch Required skills & experience: 3–5+ years of experience in ML engineering and software development Deep More ❯
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Machine Learning Engineer

London Area, United Kingdom
The Portfolio Group
TensorRT Multi-Agent Orchestration: Work with LangChain, AutoGen, CrewAI, DSPy and similar tools Cloud & MLOps (AWS): Deploy with SageMaker, Bedrock, Lambda, S3, ECS, EKS Full-Stack Integration: Build APIs (FastAPI, Flask) and integrate with React, TypeScript, Node.js Vector Search: Use FAISS, Weaviate, Pinecone, ChromaDB, OpenSearch Required skills & experience: 3–5+ years of experience in ML engineering and software development Deep More ❯
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Mid & Senior Full Stack Engineers | Green Tech / Energy Tech Start-Up | React.js Node.js TypeScri...

London, England, United Kingdom
Hybrid / WFH Options
ZipRecruiter
measures, sensors) -> Offline-first/PWA apps for installers on the move Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Requirements for Mid & Senior Full Stack Engineers | Green Tech/Energy Tech Start-Up | React.js Node.js TypeScript | LDN 2 Days Per Week | £50K - £95K + Healthy Equity -> 5 years commercial More ❯
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Mid-Level Engineer

City Of London, England, United Kingdom
Hybrid / WFH Options
developrec
Collaborate across product, design, ops, and data Continuously improve performance, reliability, and developer experience Contribute to a positive, inclusive engineering culture Our Tech Stack Languages & Frameworks: TypeScript (Next.js), Python (FastAPI), Node.js Infrastructure: Vercel, Google Cloud Platform Architecture: Monorepo with internal packages AI: Real applications in production & under active development What We're Looking For Strong commercial full-stack development experience More ❯
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Machine Learning Engineer

London, South East, England, United Kingdom
The Portfolio Group
across the full ML lifecycle, from data collection and preprocessing to model evaluation, deployment, and monitoring. Full-Stack Integration : Develop APIs and integrate ML models into web applications using FastAPI, Flask, React, TypeScript, and Node.js. Vector Databases & Search : Implement embeddings and retrieval mechanisms using Pinecone, Weaviate, FAISS, Milvus, ChromaDB, or OpenSearch. Required skills & experience: 3-5+ years in machine More ❯
Employment Type: Full-Time
Salary: Salary negotiable
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Machine Learning Engineer

London, United Kingdom
The Portfolio Group
across the full ML lifecycle, from data collection and preprocessing to model evaluation, deployment, and monitoring. Full-Stack Integration : Develop APIs and integrate ML models into web applications using FastAPI, Flask, React, TypeScript, and Node.js. Vector Databases & Search : Implement embeddings and retrieval mechanisms using Pinecone, Weaviate, FAISS, Milvus, ChromaDB, or OpenSearch. Required skills & experience: 3-5+ years in machine More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Machine Learning Engineer

City of London, London, Finsbury Square, United Kingdom
The Portfolio Group
across the full ML lifecycle, from data collection and preprocessing to model evaluation, deployment, and monitoring. Full-Stack Integration : Develop APIs and integrate ML models into web applications using FastAPI, Flask, React, TypeScript, and Node.js. Vector Databases & Search : Implement embeddings and retrieval mechanisms using Pinecone, Weaviate, FAISS, Milvus, ChromaDB, or OpenSearch. Required skills & experience: 3-5+ years in machine More ❯
Employment Type: Permanent
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Junior/Mid Software Engineer

London, England, United Kingdom
Hybrid / WFH Options
Mytos
stack web development (TypeScript, React, Node.js) Knowledge of databases like PostgreSQL Strong problem-solving and collaborative skills Technologies Frontend: React, TypeScript, GraphQL Backend: NodeJS, Python, MQTT, PostgreSQL Hardware: NodeJS, FastAPI, MQTT Nice-to-Haves Distributed systems knowledge Python for data/image analysis Interest in biology or lab automation Experience with regulated environments (GMP, HIPAA) Why You'll Love Working More ❯
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Founding Engineer (Full-Stack)

City of London, London, United Kingdom
Plexe AI
like this: Must-Have: 3+ yrs building ML/AI systems that served real users. Strong Python; comfort with AWS, Docker, Terraform/CDK, Postgres, etc. Experience with React, FastAPI, or other common web frameworks. An understanding of core concepts in ML, data science and MLOps. Nice-to-Have : Built agentic workflows/LLM tool-use. Experience with MLFlow, WandB More ❯
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Founding Engineer (Full-Stack)

London Area, United Kingdom
Plexe AI
like this: Must-Have: 3+ yrs building ML/AI systems that served real users. Strong Python; comfort with AWS, Docker, Terraform/CDK, Postgres, etc. Experience with React, FastAPI, or other common web frameworks. An understanding of core concepts in ML, data science and MLOps. Nice-to-Have : Built agentic workflows/LLM tool-use. Experience with MLFlow, WandB More ❯
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Senior Software Engineer Product

London, England, United Kingdom
Robert Walters
with founders and users, and your code won't just ship; it will shape the company's direction. What you'll be doing Building full-stack features with Python (FastAPI) and TypeScript (Next.js) Designing interfaces that help users understand, edit, and trust what the AI is doing Working directly with customers to learn how they operate and feeding that insight More ❯
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Senior Software Engineer Product

London, South East, England, United Kingdom
Robert Walters
founders and users, and your code won't just ship, it'll shape the direction of the company. What you'll be doing Building full-stack features with Python (FastAPI) and TypeScript (Next.js) Designing interfaces that help users understand, edit, and trust what the AI is doing Working directly with customers to learn how they operate and feeding that insight More ❯
Employment Type: Full-Time
Salary: £90,000 - £140,000 per annum
Posted:

Full Stack Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Higher - AI recruitment
that frequently gets deployed to users Strong understanding of product development and navigating large codebases Located in London/Paris and open to working in office Tech Stack: Python FastAPI Typescript + React Open source LLMs On premise deployments Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare support Min. 3 months fully paid More ❯
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Full Stack Engineer

London Area, United Kingdom
Hybrid / WFH Options
Higher - AI recruitment
that frequently gets deployed to users Strong understanding of product development and navigating large codebases Located in London/Paris and open to working in office Tech Stack: Python FastAPI Typescript + React Open source LLMs On premise deployments Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare support Min. 3 months fully paid More ❯
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AI ML Software Engineer III - Chief Data & Analytics Office

Westminster Abbey, England, United Kingdom
J.P. MORGAN-1
Computer Science, Software Engineering, or related field. Commercial software development experience, ideally with exposure to ML/AI systems. Strong programming skills in Python; familiarity with web frameworks (Flask, FastAPI). Understanding of model inference lifecycles, APIs, and data validation. Familiarity with Git, CI/CD pipelines, testing, and performance profiling. Ability to work independently and deliver clean, maintainable, production More ❯
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Senior Software Engineer (Product)

City of London, England, United Kingdom
Robert Walters UK
founders and users, and your code won’t just ship, it’ll shape the direction of the company. What you’ll be doing Building full-stack features with Python (FastAPI) and TypeScript (Next.js) Designing interfaces that help users understand, edit, and trust what the AI is doing Working directly with customers to learn how they operate and feeding that insight More ❯
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Quantitative Developer

London, England, United Kingdom
Hybrid / WFH Options
SEI
Github), Team City, setup and create pipelines. Proficiency in data modelling, data management processes, and data profiling. Experience in developing APIs and working with WebSockets. Knowledge of React, Django, FastAPI, or equivalent technologies. Previous experience with AirFlow, Linux shell commands and setup websites on IIS. What we would like from you: Bachelor’s or Master’s degree in a relevant More ❯
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Quantitative Developer (London)

London, UK
SEI Investments Company
Github), Team City, setup and create pipelines. Proficiency in data modelling, data management processes, and data profiling. Experience in developing APIs and working with WebSockets. Knowledge of React, Django, FastAPI, or equivalent technologies. Previous experience with AirFlow, Linux shell commands and setup websites on IIS. What we would like from you: Bachelor’s or Master’s degree in a relevant More ❯
Employment Type: Full-time
Posted:

Quantitative Developer

London, England, United Kingdom
SEI Investments Company
Github), Team City, setup and create pipelines. Proficiency in data modelling, data management processes, and data profiling. Experience in developing APIs and working with WebSockets. Knowledge of React, Django, FastAPI, or equivalent technologies. Previous experience with AirFlow, Linux shell commands and setup websites on IIS. What we would like from you: Bachelor’s or Master’s degree in a relevant More ❯
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Founding Engineer - Ditto

London, England, United Kingdom
Hybrid / WFH Options
Randstad (Schweiz) AG
wiring up multi-step agents, not just plugging in a chain. You know how to debug traces, tune tool invocations, and reason about agent behaviors. Python Backend Mastery: Django, FastAPI or similar. You know how to build robust APIs and scale them. DevOps Chops: AWS, Docker, CI/CD—you’ve shipped and scaled infra before. AI Native: You’ve More ❯
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Senior Software Engineer - AI

London, England, United Kingdom
Raft
systems that scale reliably in enterprise environments Has deep expertise in designing and maintaining databases, vector stores, etc. and understands the latest trends in database technology. Is proficient with FastAPI/Starlette and can demonstrate experience in building scalable APIs with Python. Has a solid track record in cloud native environments and understands how to architect and implement software libraries More ❯
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FastAPI
London
10th Percentile
£65,000
25th Percentile
£75,000
Median
£80,000
75th Percentile
£87,500
90th Percentile
£97,500