276 to 300 of 336 FastAPI Jobs in London

Join to apply for the Founding Technical Recruiter role at Junction (formerly Vital) Join to apply for the Founding Technical Recruiter role at Junction (formerly Vital) Direct message the job poster from Junction (formerly Vital) One API, all health data More ❯

and real-time data tools. Collaborate with AI and predictive modeling experts to create impactful applications to positively impact the lives of millions of people Drive innovation using Python, FastAPI and AWS infrastructure tools (EC2, S3, RDS, Lambda, etc.), SQL/NoSQL What We're Looking For: Experience working with autonomy and taking the lead of back end development Experience … improving the scalability and performance of an application with a growing customer base. Expertise in Python and FastAPI, with a track record of developing high-quality APIs. Familiarity with the AWS stack and ideally serverless/lambda architecture Burns Sheehan Ltd will consider applications based only on skills and ability and will not discriminate on any grounds. More ❯

Company | B2B, Deep Tech, AI native 📏 Size | 10 people 🌱 Stage | Seed 🧢 Role | Software Engineer 🪜 Level | Mid to Senior 🎯 Areas | backend focus, data pipelines, infrastructure ✨ Tech | Python (FastAPI), Rust, SQL, AWS, Terraform 📍 Based | Shoreditch, London 💻 Working | flexible-hybrid/remote-friendly 💰 Offer | £80-95k Hi 👋 Workonomics are partnering with a deep - tech startup mapping how the global economy connects. Think … + embedding workflows work closely with R&D to put novel AI ideas into production shape the engineering culture at an early, high-impact stage Their stack includes Python ( FastAPI ), Rust , Polars , AWS , SQL , Terraform — with an in-house vector DB and orchestration layer. The roadmap is exciting, with lots of complex new features to build . ✅ This will suit More ❯

Company | B2B, Deep Tech, AI native 📏 Size | 10 people 🌱 Stage | Seed 🧢 Role | Software Engineer 🪜 Level | Mid to Senior 🎯 Areas | backend focus, data pipelines, infrastructure ✨ Tech | Python (FastAPI), Rust, SQL, AWS, Terraform 📍 Based | Shoreditch, London 💻 Working | flexible-hybrid/remote-friendly 💰 Offer | £80-95k Hi 👋 Workonomics are partnering with a deep - tech startup mapping how the global economy connects. Think … + embedding workflows work closely with R&D to put novel AI ideas into production shape the engineering culture at an early, high-impact stage Their stack includes Python ( FastAPI ), Rust , Polars , AWS , SQL , Terraform — with an in-house vector DB and orchestration layer. The roadmap is exciting, with lots of complex new features to build . ✅ This will suit More ❯

create tools to enhance productivity. This role will be key to us delivering as we expand further in both the UK and the US.**Our Tech Stack*** Python* Pytorch* FastAPI* AWS* Docker* Kubernetes* ArgoCD**What you’ll be doing/impact on objectives*** Develop key services that power our underwriting capabilities* Deploy, optimise, update and maintain our underwriting models & services … to more efficiently create the next generation of models**What we’re looking for*** Detailed knowledge of managing services in Kubernetes* Solid experience with Python web application frameworks like FastAPI* Strong engineering principles - design patterns, unit testing, code reviews* A keen desire to both learn from and upskill other team members**Nice to have*** Experience deploying models using GPU in More ❯

Principal Engineer – Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK Up to £140,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning Principal Engineer - We're working with a leading fintech scale-up that’s transforming how small businesses access finance. Backed by a … Principal Engineer – Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK Up to £140,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning More ❯

Principal Engineer – Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK Up to £140,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning Principal Engineer - We're working with a leading fintech scale-up that’s transforming how small businesses access finance. Backed by a … Principal Engineer – Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK Up to £140,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning More ❯

Principal Engineer - Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK Up to £140,000 per annum plus stock options Python Django FastAPI AWS Rust Postgres Event-Driven Architecture Machine Learning Principal Engineer - We're working with a leading fintech scale-up that's transforming how small businesses access finance. Backed by a … Principal Engineer - Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK Up to £140,000 per annum plus stock options Python Django FastAPI AWS Rust Postgres Event-Driven Architecture Machine Learning Burns Sheehan Ltd will consider applications based only on skills and ability and will not discriminate on any grounds. More ❯

Principal Engineer - Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK Up to £140,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning Principal Engineer - We're working with a leading fintech scale-up that's transforming how small businesses access finance. Backed by a … Principal Engineer - Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK Up to £140,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning Burns Sheehan Ltd will consider applications based only on skills and ability and will not discriminate on any grounds. #J-18808-Ljbffr More ❯

Social network you want to login/join with: Python Developer (Django, FastAPI, Docker, AWS) We are seeking a highly skilled Python Developer with a background in the energy sector to join our dynamic startup based in London. As a Python Developer in our team, you will be hands-on, building out a new platform from scratch. This position offers More ❯

Python Developer - Greentech Startup Location: London (Hybrid, 3 days) Salary: Up to £100k + Equity Python Developer (Django, FastAPI, Docker, AWS) - We are seeking a highly skilled Python Developer with a background in the energy sector to join our dynamic start up based in London. As a Python Developer in our team, you will be hands-on coding, building out More ❯

Python Developer - Greentech Startup Location: London (Hybrid, 3 days) Salary: Up to £100k + Equity Python Developer (Django, FastAPI, Docker, AWS) - We are seeking a highly skilled Python Developer with a background in the energy sector to join our dynamic start up based in London. As a Python Developer in our team, you will be hands-on coding, building out More ❯

experience RDBMS experience ,SQL etc A background in Maths or Data Science The tools and techs we currently use: * Python 3.x * Postgres SQL and SQLAlchemy ORM/expression language * FastAPI * Starlette * GraphQL * Gitlab * ClickUp * Docker Benefits include * Pension contribution up to 5%; * 25 days annual leave (in addition to the public holidays) ALL APPLICANTS MUST BE FREE TO WORK IN More ❯

no legacy systems, just smart tools and real users In-person, 5 days a week in Central London with a close-knit, collaborative team Stack: Python, React, Next.js, TypeScript, FastAPI, Postgres We’re hiring two engineers with 5+ years’ experience who’ve built real products in fast-moving environments. If you’re excited about building something original, not just glueing More ❯

AI Startup – Up to 85k 🚀🧠 💰 Salary: £50,000 - £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 across the globe and is More ❯

no legacy systems, just smart tools and real users In-person, 5 days a week in Central London with a close-knit, collaborative team Stack: Python, React, Next.js, TypeScript, FastAPI, Postgres We’re hiring two engineers with 5+ years’ experience who’ve built real products in fast-moving environments. If you’re excited about building something original, not just glueing More ❯

AI Startup – Up to 85k 🚀🧠 💰 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 across the globe and is More ❯

each commodity. This ID is linked to information about its origin, characteristics, and ownership history of each commodity. What you'll bring: Strong Python exp (5+years) via web frameworks (FastAPI, Django etc), relational databases (Postgres, MySQL etc), Distributed systems or microservice architecture, Rust (desirable) Want more info? Get in touch for an informal chat. More ❯

each commodity. This ID is linked to information about its origin, characteristics, and ownership history of each commodity. What you'll bring: Strong Python exp (5+years) via web frameworks (FastAPI, Django etc), relational databases (Postgres, MySQL etc), Distributed systems or microservice architecture, Rust (desirable) Want more info? Get in touch for an informal chat. More ❯

each commodity. This ID is linked to information about its origin, characteristics, and ownership history of each commodity. What you'll bring: Strong Python exp (5+years) via web frameworks (FastAPI, Django etc), relational databases (Postgres, MySQL etc), Distributed systems or microservice architecture, Rust (desirable) Want more info? Get in touch for an informal chat. More ❯

by driven engineering culture Small, collaborative team in a flat structure WHAT WE ARE LOOKING FOR Excellent knowledge of Python and/or React Strong understanding of Next.js , TypeScript, FastAPI and Postgres Full stack experience (can be backend or frontend leaning) A track record building and managing products with real impact, ideally in a startup environment A product oriented mindset More ❯

by driven engineering culture Small, collaborative team in a flat structure WHAT WE ARE LOOKING FOR Excellent knowledge of Python and/or React Strong understanding of Next.js , TypeScript, FastAPI and Postgres Full stack experience (can be backend or frontend leaning) A track record building and managing products with real impact, ideally in a startup environment A product oriented mindset More ❯

and CI best practices Collaborate directly with the founders Help shape product, culture, and engineering excellence What We’re Looking For: 5+ years' experience in backend development (Python preferred, FastAPI a plus) Strong with PostgreSQL, SQLAlchemy, Alembic, and RESTful APIs Experience with async I/O, type safety, and distributed systems Comfortable with AWS/GCP and security best practices More ❯

and CI best practices Collaborate directly with the founders Help shape product, culture, and engineering excellence What We’re Looking For: 5+ years' experience in backend development (Python preferred, FastAPI a plus) Strong with PostgreSQL, SQLAlchemy, Alembic, and RESTful APIs Experience with async I/O, type safety, and distributed systems Comfortable with AWS/GCP and security best practices More ❯

complex analyses into actionable insights. Nice-to-Haves: Familiarity with marketing-specific measurement models such as Media Mix Modelling (MMM). Knowledge of model versioning (e.g. MLFlow), API frameworks (FastAPI), or building dashboards (e.g. Dash or Streamlit). The Opportunity: You’ll work across multiple industries and household-name brands, contributing to meaningful campaigns powered by cutting-edge AI and More ❯