1 to 25 of 34 Permanent FastAPI Jobs in Central London

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 ...

Senior Full Stack Developer

Hiring Organisation
Glite Tech
Location
City of London, London, United Kingdom
scalable mobile APIs (REST, HTTPS, etc.). Good principles of security management (secrets, protocols, etc.). Experience with some Python web frameworks (Django, Flask, FastAPI, etc.). Desirable Skills ๐Ÿ‘Œ Can speak, or learning to speak, more than one language Experience with real-time databases. Experience with in-memory databases. Experience ...

Founding Engineer

Hiring Organisation
Higher - AI recruitment
Location
City of London, London, United Kingdom
Essential: 5+ years in high-impact, early-stage product teams: you've shipped and scaled full stack products Strong backend (Node.js, Python/Flask, FastAPI) and frontend (React, Next.js, Vue) fundamentals ML/data science proficiency: Python, SQL, pandas, scikit-learn, PyTorch/TensorFlow Experience with cloud platforms ...

Full Stack Engineer

Hiring Organisation
BioTalent
Location
City of London, London, United Kingdom
include: Building and maintaining backend services in Python , including APIs and data-processing pipelines Developing frontend applications using Next.js and React Designing and implementing FastAPI endpoints for data-intensive application Writing robust tests using pytest and managing CI workflows via GitHub Actions Collaborating with engineers and researchers to deliver features ...

Python Developer

Hiring Organisation
Runtime Group Ltd
Location
City of London, London, United Kingdom
class - 2;1 Degree in Comp Sci or STEM subject from a Top ranked University 3+ years of experience in Python development Tech: Python, FastAPI, Pydantic, PostgreSQL, Numpy, Pandas, AWS DevOps tools: Kubernetes, Docker,Terraform, Jenkins Very strong software engineering principles Enthusiasm for startup environment and cross-functional teams Passion ...

Lead Python Developer

Hiring Organisation
Hireful
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
revamp the future of technology in education. Happy to speak to all Senior Python Developers, as long as you have worked with flask or FastAPI, have led or mentored a team and are keen to learn and use new technologies Fancy taking ownership over building scalable Python applications, driving Agile ...

Lead AI Python Engineer

Hiring Organisation
JGA Recruitment Group | B Corpโ„ข
Location
City of London, London, United Kingdom
7+ years of hands-on software engineering experience (AI, SaaS, or automation platforms preferred) Deep expertise in Python, with experience in frameworks such as FastAPI, Flask, or Django Strong experience with cloud infrastructure, Kubernetes, and microservices architectures Experience with Git-based workflows and CI/CD pipelines Proven ability ...

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 Weโ€™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 ...

Back End Developer

Hiring Organisation
trg.recruitment
Location
City of London, London, United Kingdom
compliance in production systems Improving performance, scalability, and system resilience The ideal candidate will: 5+ years of backend engineering experience Strong Python experience (FastAPI, Flask, or Django) Have experience working at a previous startup/scale up Solid knowledge of PostgreSQL and Redis Experience with async task queues and message ...

Research Engineer

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
graduates or more senior engineers Infrastructure or deployment experience (AWS, Terraform) is a bonus Happy working onsite five days per week Tech stack Python, FastAPI React, TypeScript Postgres AWS, Terraform Compensation & details up to ยฃ185k base + equity (flexible for exceptional profiles) Visa sponsorship available Standard pension Five meals ...

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 ๐Ÿ› ๏ธ 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 ...

Data Engineer

Hiring Organisation
Above & Beyond - Climate Tech Recruitment
Location
City of London, London, United Kingdom
data engineering service providers for deep domain work like concept modelling or high-volume data integration. Tech stack: Languages: python (pandas, httpx, sdmx, pydantic, FastAPI, FastMCP, ADK), SQL (ISO Graph Query Language would be a plus) Cloud: Google Cloud Platform (Cloud Run, Cloud Build, BigQuery, Spanner Graph, Cloud SQL, Cloud ...

AI Consultant

Hiring Organisation
Stealth IT Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
products in production - Curiosity, creativity, and a drive to unlock real business value with AI Tech my client works with: Python, React/Next.js, FastAPI/Django, Azure/GCP, OpenAI, LangChain, CrewAI, and more. If you want to push the boundaries of AI in consulting, this is your place ...

Python Software Engineer

Hiring Organisation
Aubay UK
Location
City of London, London, United Kingdom
Terraform for infrastructure-as-code. Experience with Unit Testing, preferably with PyTest. Desired Skills and Experience: HTML/CSS React Typescript Experience using the FastAPI framework Roles and Responsibilities: Work as part of the central Orcas engineering team supporting multiple product teams with shared tooling and common platform functionality. Collaborate ...

GenAI Engineer - Global Beauty Brand

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
teams Key Details โ€ข Salary: up to ยฃ85k + 10% bonus โ€ข Working model: Hybrid London (2โ€“3 days in office) โ€ข Tech stack: Python, GCP (preferred), FastAPI, LangChain/LangGraph, CI/CD โ€ข Visa sponsorship: Not available Interested? Please apply below. ...

Lead Python Engineer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
This is not a maintenance role. It is system ownership. What Weโ€™re Looking For 7+ years commercial software engineering experience Deep Python expertise (FastAPI/Flask/Django) Strong system design and architecture capability Experience with cloud-native environments and Kubernetes Microservices and CI/CD exposure Proven experience ...

Founding Engineer

Hiring Organisation
Omnam Investment Group
Location
City of London, London, United Kingdom
ability to execute independently in a fast-moving environment Skillset We Value Proficiency in Python, Typescript, or similar modern languages Experience with backend frameworks (FastAPI, Django, Node.js, Rails, etc.) Strong SQL, data modeling, and database design knowledge Familiarity with IaC, containers, CI/CD, and observability tools Bonus : experience ...

Full Stack Engineer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
Salary: ยฃ60,000 - ยฃ85,000 + meaningful equity ๐Ÿ™๏ธ Location : London, flexible working arrangements, ideally 2/3 days in office ๐Ÿ’ป Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used ...

Senior Applied AI Engineer, Finance

Hiring Organisation
Richard Wheeler Associates
Location
Central London, London, United Kingdom
Employment Type
Permanent
Rapidly prototype MVPs, validate value with the investment team, and harden the most impactful tools into reliable internal products Build simple internal interfaces using FastAPI, Streamlit, or Next.js to enable intuitive adoption Implement evaluation, observability, and governance to ensure accuracy, reliability, security, and responsible use of AI systems Guide ...

Senior AI Frontend Developer - £650, Outside IR35 - London/Remote

Hiring Organisation
limitless
Location
City of London, London, United Kingdom
shipped end-to-end: from API layer design through to polished UI, not just one side of the stack Exposure to Python and FastAPI when needing to interact with the core backend layer Bonus points for a design thinking or formal UX background, and experience with WhatsApp Business API, Twilio ...

Artificial Intelligence Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
production AI and strong technical fluency in TypeScript. AI Frameworks: Hands-on experience with some of the following LangChain/LangGraph, LlamaIndex, PyTorch , and FastAPI . Modern Infrastructure: Experience with AWS Bedrock/SageMaker and using Docker/Kubernetes to scale agent instances. RAG Expertise: Proven experience building RAG systems ...

Product Engineer (remote)

Hiring Organisation
Ethiq
Location
City of London, London, United Kingdom
Location: Fully Remote UK, Ireland, Portugal Package: ยฃ90k โ€“ ยฃ130k + High Equity + Benefits The Stack: Python (FastAPI), Go, TypeScript, Next.js, GCP, Temporal The Mission: Fixing the plumbing of healthcare! Healthcare data is a mess of fragmented lab results, wearable pings, and antiquated doctor-patient silos. This company is building ...

Back End Developer

Hiring Organisation
Omnis Partners
Location
City of London, London, United Kingdom
squad. You'll be building backend APIs and deploying them into a modern AWS + Kubernetes environment. ๐Ÿ”‘ The Role โ€ข Building backend APIs in Python (FastAPI ideally) โ€ข Working with PostgreSQL โ€ข Deploying services into AWS (EKS preferred) โ€ข Managing container workloads in Kubernetes โ€ข Building infrastructure with Terraform โ€ข Implementing CI/CD pipelines (GitHub โ€ฆ Actions, GitLab, Jenkins, ArgoCD) โ€ข Shipping production-grade cloud-native applications ๐ŸŽฏ What Weโ€™re Looking For ๐Ÿ‘‰ Strong Python backend development experience ๐Ÿ‘‰ API development (FastAPI highly desirable) ๐Ÿ‘‰ Solid SQL/PostgreSQL knowledge ๐Ÿ‘‰ AWS experience (EKS ideal) ๐Ÿ‘‰ Kubernetes deployment experience ๐Ÿ‘‰ Terraform (Infrastructure as Code) ๐Ÿ‘‰ CI/CD automation experience Nice to have: ๐Ÿ‘‰ Experience ...

Back End Developer

Hiring Organisation
Omnis Partners
Location
City of London, Greater London, UK
squad. You'll be building backend APIs and deploying them into a modern AWS + Kubernetes environment. ๐Ÿ”‘ ๐—ง๐—ต๐—ฒ ๐—ฅ๐—ผ๐—น๐—ฒ โ€ข Building backend APIs in Python (FastAPI ideally) โ€ข Working with PostgreSQL โ€ข Deploying services into AWS (EKS preferred) โ€ข Managing container workloads in Kubernetes โ€ข Building infrastructure with Terraform โ€ข Implementing CI/CD pipelines (GitHub โ€ฆ Actions, GitLab, Jenkins, ArgoCD) โ€ข Shipping production-grade cloud-native applications ๐ŸŽฏ ๐—ช๐—ต๐—ฎ๐˜ ๐—ช๐—ฒโ€™๐—ฟ๐—ฒ ๐—Ÿ๐—ผ๐—ผ๐—ธ๐—ถ๐—ป๐—ด ๐—™๐—ผ๐—ฟ ๐Ÿ‘‰ Strong Python backend development experience ๐Ÿ‘‰ API development (FastAPI highly desirable) ๐Ÿ‘‰ Solid SQL/PostgreSQL knowledge ๐Ÿ‘‰ AWS experience (EKS ideal) ๐Ÿ‘‰ Kubernetes deployment experience ๐Ÿ‘‰ Terraform (Infrastructure as Code) ๐Ÿ‘‰ CI/CD automation experience Nice to have: ๐Ÿ‘‰ Experience ...

Founding Engineer

Hiring Organisation
Fleetcraft
Location
City of London, London, United Kingdom
High trust, high ownership: Make decisions that move the whole company forward. We value autonomy, speed, and impact. Stack: Build with modern tools โ€” Python, FastAPI, TypeScript, LLMs, MLOps What Weโ€™re Looking For 2+ years of software development experience Proven track record of building and shipping full-stack products โ€ฆ working in a fast-moving, high-ambiguity startup Youโ€™re looking for a large team with established roadmaps and guardrails Tech Stack Core: Python, FastAPI, TypeScript, React AI/ML: OpenAI, Anthropic, computer use, evals, voice agents Infrastructure: Azure, Docker Process: Initial Screen (30 min video call with ...