1 to 25 of 29 Remote/Hybrid FastAPI Jobs in London

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms ...

Senior Software Developer (Full Stack)

Hiring Organisation
Reed
Location
Holborn, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum, Inc benefits
years of commercial software development experience. Proven success in high-performing engineering teams within fast-paced environments. Deep expertise in: Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Desirable experience includes: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform ...

🐍 Python Developers Wanted DV/SC Cleared

Hiring Organisation
Areti Group | B Corp™
Location
London Area, United Kingdom
Solving complex problems in data flow, latency, and scale Contributing to a culture of fast iteration, clean code, and continuous learning 🧰 Tech Stack: Python (FastAPI, Flask) TypeScript, Node.js, React PostgreSQL, Redis, Kafka Docker, Kubernetes, AWS CI/CD with GitHub Actions, Terraform 💼 What You’ll Bring: Experience in working ...

Senior Backend Engineer (Python) – Remote

Hiring Organisation
Myn
Location
East London, London, United Kingdom
into clean backend solutions Owning performance, reliability, and developer experience improvements What They're Looking For Strong Python backend experience — Flask currently, migrating to FastAPI with type annotations Proven experience designing and building APIs within service-oriented or microservices architectures Solid SQL and PostgreSQL — comfortable with complex queries and schema ...

Senior Backend Engineer (Python) – Remote

Hiring Organisation
Myn
Location
Central London / West End, London, United Kingdom
into clean backend solutions Owning performance, reliability, and developer experience improvements What They're Looking For Strong Python backend experience — Flask currently, migrating to FastAPI with type annotations Proven experience designing and building APIs within service-oriented or microservices architectures Solid SQL and PostgreSQL — comfortable with complex queries and schema ...

Senior Full Stack Engineer

Hiring Organisation
Space Executive
Location
London Area, United Kingdom
environment • Contributing to a modern DevOps culture with CI/CD, automated testing, and infrastructure as code Tech stack: React, Node.js (Nest.js), Python/FastAPI, AWS (ECS), PostgreSQL, Kafka, Terraform, GitHub CI/CD Testing: Jest, Cypress, Pact, Pytest What they’re looking for: • Strong experience building distributed systems/ ...

Junior Software Developer

Hiring Organisation
Ripple
Location
London, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum
Exposure to cloud platforms (Azure, AWS, or GCP). Understanding of CI/CD pipelines and testing practices (TDD). Desirable Skills Python and FastAPI for backend development. Experience with AI-assisted development tools and AI agents. Awareness of Model Context Protocol. Experience working with Figma or collaborating from design ...

Senior AI Engineer

Hiring Organisation
Space Executive
Location
London Area, United Kingdom
ability to thrive in fast-moving, ambiguous environments where experimentation is encouraged What You’ll Work With: Tech Stack Frontend: React Backend: NestJS, Python (FastAPI), LangChain Test Automation: Pact, Jest, Cypress, Pytest (including AI testing) Infrastructure: AWS ECS, PostgreSQL, Kafka Infrastructure as Code: Terraform (native AWS services where possible ...

Python Developer

Hiring Organisation
Arrows
Location
City of London, London, United Kingdom
with Product and cross-functional domain experts Continuously improve performance, quality and developer experience What We’re Looking For Strong Python (Flask moving to FastAPI with Typing) backend experience Proven experience building APIs within service-oriented architectures Solid SQL knowledge PostgreSQL AWS (Lambda, ECS) Docker Strong system design and data ...

Software Engineer (Frontend)

Hiring Organisation
Orchestra
Location
City of London, London, United Kingdom
challenges regularly We're united by our mission, focused execution, and speed We deploy to production multiple times a day 🛠️ Tech Stack Backend: Python (FastAPI) + Typescript (express) Frontend: React + Typescript Infrastructure: AWS (serverless!), terraform Containerisation: Docker Database: PostgreSQL + DynamoDB CI/CD: GitHub actions + Blacksmith runners ...

Senior AI Engineer

Hiring Organisation
Total Recruitment Group
Location
Central London, London, United Kingdom
Employment Type
Contract, Work From Home
LangGraph) Familiar with vector databases for embedding/indexing with images, audio, text and video Familiar with different multi-agent system patterns Comfortable with FastAPI or Flask Strong cloud experience (GCP or AWS) Nice to have: GCP experience Background in ML projects Experience working on data-heavy applications Familiarity with ...

Chief Technology Officer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
applications. Deep knowledge of vector databases (FAISS, PGVector, Qdrant) and RAG architectures for scientific knowledge retrieval and question-answering systems. Proficiency in Python, FastAPI, and key ML frameworks (Transformers, PyTorch, TensorFlow). Proven ability in advanced prompt engineering techniques. Hands-on approach and experience setting up integration of multiple solutions ...

SENIOR DATA ANALYST AND SOFTWARE DEVELOPER EDINBURGH OR LONDON

Hiring Organisation
Max Fordham LLP
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
technologies; however, it is not expected that they will have prior experience of them all: Programming: Python, JavaScript, TypeScript, SQL, C#, C++ Frameworks & Tools: FastAPI, Jupyter, JupyterHub, Voila, Power BI, GitHub, Vue, Nuxt AEC Platforms & Standards: Revit, Revit API, pyRevit, Rhino, Grasshopper, IES VE (and its Python API), BIM data ...

Green Tech / Energy Tech Start-Up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
London Area, United Kingdom
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 Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity -> 2+ years commercial experience ...

Senior Founding Engineer

Hiring Organisation
Corecom Consulting
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
tooling, and internal platforms Working closely with founders and customers to shape the product direction Tech Stack Frontend: React, React Native, TypeScript Backend: Python, FastAPI, PostgreSQL Infrastructure: GCP, Terraform, Airflow AI: LLM integrations and AI-driven automation What They're Looking For Experience as a Full-Stack Engineer building production ...

Senior Python Developer

Hiring Organisation
InfobelPRO
Location
London Area, United Kingdom
platform is built on a deliberately modern, open-source stack: Dagster for orchestration, DuckDB for processing, ClickHouse for serving, Splink for entity resolution, and FastAPI for the customer-facing layer. Everything runs on bare-metal servers (Hetzner) with infrastructure managed through Ansible — no cloud lock-in, no managed services ...

Full Stack Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
Python | React | TypeScript Location: London (hybrid) Salary: £120,000 - £160,000 + equity Tech Stack: Backend: Python (strong typing, well-structured APIs - Django or FastAPI or Flask) Frontend: React, TypeScript Systems: Data modelling, integrations, platform architecture Are you an engineer who thinks in systems, not tickets? We’re working with ...

Lead Data Scientist - Remote

Hiring Organisation
Exposed Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
Deep experience in MLOps on Azure, including CI/CD, monitoring and scaling pipelines. · Strong coding skills in Python, with frameworks such as PyTorch, FastAPI and Azure CLI. ALL APPLICANTS MUST BE FREE TO WORK IN THE UK Exposed Solutions is acting as an employment agency to this client. Please ...

Applied AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£140,000 - £150,000 per annum
Role Build full-stack, production AI applications from first architecture through to customer-facing delivery. Develop backend, infrastructure, and frontend components using Python, FastAPI, React, TypeScript, and cloud platforms. Deploy GenAI and LLM-based systems, including evaluation, observability, and agent-based workflows. Operate in cross-functional pods embedded into portfolio ...

Forward Deployed Engineer

Hiring Organisation
Omnis Partners
Location
London Area, United Kingdom
systems Experience building or deploying AI/ML systems in real environments Familiarity with RAG architectures (chunking strategies, embeddings, retrieval, reranking) Backend development experience (FastAPI or similar frameworks) Comfort working with AWS infrastructure (e.g. ECS, S3, API Gateway, Secrets Manager) Engineers who enjoy working directly with customers and solving ambiguous ...

Senior Product Engineer

Hiring Organisation
trg.recruitment
Location
London Area, United Kingdom
working closely with founders, sharing opinions, and moving fast Have thick skin, good humour, and a collaborative streak The stack: React · Next.js · Python (FastAPI) · AWS · Terraform · Claude Code · Cursor What we offer: Up to £100,000 base salary Share options Hybrid working. 2 days/week at a brand ...

Product Engineering Lead

Hiring Organisation
Total Recruitment Group
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
working closely with founders, sharing opinions, and moving fast Have thick skin, good humour, and a collaborative streak The stack: React Next.js Python (FastAPI) AWS Terraform Claude Code Cursor What we offer: Up to £100,000 base salary Share options Hybrid working. 2 days/week at a brand ...

Full Stack Engineer

Hiring Organisation
Searchability (UK) Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
FULL STACK ENGINEER - LONDON (WATERLOO, HYBRID) KEY POINTS Salary up to £75,000 Hybrid working - 3 days per week in Waterloo, London Python, FastAPI, PostgreSQL, React or Next.js End-to-end ownership across frontend and backend ABOUT THE CLIENT We're working with an ambitious AI-driven organisation building advanced ...

Senior Software Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
enjoy solving difficult systems problems and building software that actually holds up in the real world, this is a rare opportunity. Tech stack Python (FastAPI, Django or Flask) - experience across Rust, Golang, C++ useful AWS (experience with Azure or GCP also useful) Cursor and Claude Code SQL and strong database … Direct influence on product and technical direction If this sounds interesting, get in touch: imogen@sr2rec.co.uk Senior Software Engineer | London | £120k to £160k | Python | FastAPI ...

Back End Developer - Data Centres

Hiring Organisation
TGS International Group
Location
London Area, United Kingdom
development—from design through to deployment and ongoing improvement. What You’ll Do Build & Scale Backend Services Develop and maintain backend services using Python (FastAPI or similar frameworks) Design systems that are scalable, efficient, and reliable Turn product and technical requirements into well-structured backend solutions Design & Deliver APIs Build … call rotation where required What You’ll Bring Core Skills Experience in backend software development Strong Python skills Experience with frameworks such as FastAPI (or similar) Solid understanding of Linux systems and command-line tools Experience designing and building REST APIs Familiarity with Docker and containerised environments Experience with infrastructure ...