26 to 40 of 40 FastAPI Jobs in Central London

Full Stack Engineer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
Salary: £60,000 - £85,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 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 ...

Green Tech / Energy Tech Start-Up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
City of London, London, 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 - £110K + Healthy Equity -> 2+ years commercial experience ...

Senior Backend Engineer

Hiring Organisation
M-XR
Location
City of London, London, United Kingdom
with the experience that defines how we do it. What you will do Design and implement user-facing APIs to support frontend user flows (FastAPI) Build robust user authentication, authorisation, and account management (Auth0) Integrate payment processing and subscription management (Stripe) Design and manage user databases and data models (MongoDB ...

Senior AI Backend Engineer

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
components into distributed systems that enable real-world, production-scale AI deployment . 🔧 What You’ll Do Architect and develop backend systems (Python, FastAPI, Flask, NodeJS) Design and implement RAG pipelines (LangChain, Qdrant, embeddings) Build ETL & CI/CD workflows (Airflow, dbt, MLFlow) Integrate AI/LLM components into backend ...

Senior Software Engineer (Full-stack)

Hiring Organisation
Primis
Location
City of London, London, United Kingdom
work across our Python and TypeScript stack, contributing wherever the team needs you most. What You'll Be Doing: Develop and maintain FastAPI (Python) and Next.js (TypeScript) applications. Own features end-to-end - from user interface through to infrastructure and internal tooling. Navigate and contribute to diverse codebases across ...

Founding Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City Of London, England, United Kingdom
Full Stack Location: London (hybrid) Salary: Up to £100,000 ( 10% DOE) + equity Tech Stack Python ecosystem - experience with Django, or Flask, or FastAPI TypeScript & React across the frontend - any frontend experience beneficial Cloud native environment This is not a “slot into an existing team” role. This ...

Full Stack Product Engineer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
they're now looking for a founding-level engineer to join the core London team. Tech stack: Frontend : React, Next.js, TypeScript Backend : Python, FastAPI Happy for candidates to lean towards to backend or the frontend Why this role stands out: Stealth-stage, high-impact : You’ll work on tech that ...

Software Engineer (Backend Python)

Hiring Organisation
Tech Talent Network
Location
City of London, London, United Kingdom
iterative environment while maintaining high engineering quality Shape backend engineering culture, tooling and processes for a rapidly scaling product 🛠️ Tech Environment Python with FastAPI PostgreSQL Event driven backend services and data heavy workflows Modern AI frameworks and agent driven systems integrated into backend pipelines Engineers who love solving performance, scaling ...

Senior Software Engineer

Hiring Organisation
Addition
Location
City of London, London, United Kingdom
Senior Software Engineer (Python - FastAPI) This fast-growing consultancy is pushing the boundaries of AI and data science, helping clients turn complex challenges into scalable, production-ready solutions. They’re now hiring a Senior Software Engineer who can blend deep technical expertise with a practical, delivery-focused mindset. Role Overview … data-led software solutions. Developing scalable data pipelines and backend services that support complex modelling work. Setting standards for clean, efficient engineering across Python(FastAPI), SQL and cloud environments. Training, tuning and deploying machine learning models into production. Creating processes for robust data extraction, transformation and management. Integrating new solutions ...

Lead AI Engineer

Hiring Organisation
Euphoric
Location
City of London, London, United Kingdom
benchmark these systems rigorously to ensure they actually work, not just "feel" smart. Build the Backend Foundation: You will spend significant time in Python (FastAPI, SQLAlchemy) building the APIs, data structures, and services that power the product. You are an engineer who ensures the "AI" is delivered on reliable, production … Experience Production Engineering (5+ years): You are a strong software engineer first. You have extensive experience building and maintaining backend services in Python (ideally FastAPI or similar async frameworks) deployed to modern cloud providers (GCP/AWS) or point solutions (Railway, Render, Vercel) Applied AI Architecture: You have built complex ...

Senior Backend Developer

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
seeking a Senior Backend Engineer to build highly scalable and maintainable services using modern technologies.. What You'll Do: Develop backend services in Python (FastAPI/Django) Work on microservice architecture, data processing, and customer experience Collaborate across Product, Design, and Engineering teams Contribute to code reviews, pair programming … Agile improvements Tech Stack: Python, FastAPI, Django, AWS, Kubernetes, Helm, Terraform, PostgreSQL, Opensearch What In it for you? Competitive salary + performance bonus 28 days holiday + bank holidays + birthday off Private medical insurance, L&D opportunities, mental health support Hybrid working and a vibrant office culture ...

Technical Lead - AI Products

Hiring Organisation
Paradigm Tech
Location
City of London, London, United Kingdom
Technical Lead | Product Technical Lead | Tech Lead | Product Manager | AI/Data Science | Python | FastAPI | SaaS | Hybrid 2 days a week | Central London | £85,000 + 15% bonus I am currently working with a brilliant consultancy with deep expertise in their field of Data and Cyber Security solutions, predominantly with … fullest. Key skills Strong software engineering skills, delivering end-to-end software products. Highly product orientated. Highly skilled in Python development, with knowledge of FastAPI framework. Good databases knowledge with schema design and SQL. Some front-end development preferably TypeScript & React is highly desirable. Experience of designing scalable systems ...

Lead Software Engineer

Hiring Organisation
Intellect Group
Location
City of London, London, United Kingdom
product and engineering direction, you’ll fit right in. What you’ll work on Designing and building backend systems using Python and frameworks like FastAPI , or similar. Creating reliable, scalable architecture for real-time decisioning systems. Implementing caching, queuing, load balancing, and distributed processing. Shipping high-quality code quickly … with the founding group to define engineering culture, processes, and standards. What we’re looking for Strong backend engineering experience Python . Experience with FastAPI , Django , Flask , or related frameworks . Confidence designing system architecture from scratch and making pragmatic trade-offs. Comfort working in ambiguous, high-autonomy environments. ...

AI Engineer

Hiring Organisation
Lorien
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
AI Engineer Hybrid Working - UK Wide - 2 days a week on site. Financial Services Lorien's leading banking client is looking for an additional AI Engineer join the existing team on a expanding project. This ...

Senior Full?Stack + AI Builder

Hiring Organisation
Experis
Location
Camden, Tennessee, Camden Town, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£36.98 - £82.17/hour
ROLE: Senior Full Stack AI Builder If you're reading this, you could be the type of builder who still cares about the craft. Someone who takes pride in making real things work in the ...