FastAPI Jobs in the UK

1 to 25 of 187 FastAPI Jobs in the UK

Senior Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Reed.co.uk
senior or technical lead role. 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, optimisation, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong understanding More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:

Lead Full-Stack Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Reed Technology
record in leading small, high-performing engineering teams in fast-paced environments. Deep expertise in full-stack development, including: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Python (Django, Flask, or FastAPI) PostgreSQL Experience with building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with cloud platforms (AWS, Azure, or GCP). More ❯
Employment Type: Permanent, Work From Home
Posted:

Full Stack Engineer

City of London, London, United Kingdom
THRivve by intelletec
asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯
Posted:

Full Stack Engineer

London Area, United Kingdom
THRivve by intelletec
asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯
Posted:

Full Stack Engineer

london, south east england, united kingdom
THRivve by intelletec
asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯
Posted:

Full Stack Engineer

london (city of london), south east england, united kingdom
THRivve by intelletec
asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯
Posted:

Full Stack Engineer

slough, south east england, united kingdom
THRivve by intelletec
asset managers. What you’ll be doing Building and maintaining frontend web applications using React and Next.js Developing, testing, and deploying backend services and APIs (Python preferred, e.g. Django, FastAPI) Working closely with founders, design, growth, and other engineers to ship high-impact features Ensuring scalability, performance, security, reliability and maintainability across the full stack Contributing to cloud infrastructure setup More ❯
Posted:

Senior Python Software Developer

Leeds, West Yorkshire, England, United Kingdom
Sanderson
basis, with attendance required 2 days per week in a Leeds office. Key Responsibilities: Lead the design and development of complex applications using Python and frameworks such as Flask, FastAPI, or Django. Collaborate with front-end developers to deliver cohesive and user-friendly interfaces. Design, implement, and optimise SQL databases for performance and reliability. Manage cloud infrastructure using AWS core More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:

Senior Full Stack Engineer Python and React

Bristol, Avon, England, United Kingdom
Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
ideas into production. Ensuring code quality through testing, documentation, and peer review. What we're looking for: 4+ years' experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing scalable, cloud More ❯
Employment Type: Full-Time
Salary: £90,000 - £100,000 per annum
Posted:

Senior Full Stack Engineer Python AND React

London, South East, England, United Kingdom
Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
ideas into production. Ensuring code quality through testing, documentation, and peer review. What we're looking for: 4+ years' experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing scalable, cloud More ❯
Employment Type: Full-Time
Salary: £90,000 - £100,000 per annum
Posted:

Senior Full Stack Engineer Pythong React

Cambridge, Cambridgeshire, England, United Kingdom
Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
ideas into production. Ensuring code quality through testing, documentation, and peer review. What we're looking for: 4+ years' experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing scalable, cloud More ❯
Employment Type: Full-Time
Salary: £90,000 - £100,000 per annum
Posted:

Senior Python Developer

United Kingdom
Clear Edge International Search & Selection Ltd
and external partners. Skills & Experience: 5+ years’ backend Python development with API integration expertise ideally in the B2B iGaming sector. Strong Python (asyncio, multithreading, multiprocessing) and frameworks such as FastAPI, Flask, or Django. Proficiency with relational and NoSQL databases (PostgreSQL, Redis, MongoDB). Experience building RESTful APIs and working with WebSockets. RGS or casino platform integration experience highly desirable, plus More ❯
Posted:

Full-Stack React Developer

City of London, London, England, United Kingdom
Eligo Recruitment
engineering workflows Shape technical strategy and contribute to long-term system improvements Drive code quality, observability, and resiliency across services Tech Stack Frontend : React, JavaScript/TypeScript Backend : Python (FastAPI, Flask, or Django), ideally with geospatial data processing Cloud : AWS (Lambda, ECS, RDS, S3, API Gateway, etc.) DevOps : Docker, CI/CD pipelines, Git Orchestration : Airflow or similar tools Eligo More ❯
Employment Type: Full-Time
Salary: £90,000 per annum
Posted:

Senior Software Engineer Python

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
scalable Python-based applications and microservices . Developing internal tools and automation to support both client delivery and internal teams. Building, testing, and deploying RESTful APIs using frameworks like FastAPI or Django REST Framework . Collaborating with data and platform engineers to integrate new features and optimise performance. Ensuring robust engineering practices including CI/CD, TDD, and secure development More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:

Senior Gen AI Engineer

London Area, United Kingdom
HCLTech
applications on the Google Cloud Platform (GCP), with a strong focus on Vertex AI services. Build Scalable Backend Services: Develop secure, high-performance APIs and microservices using Python and FastAPI to integrate agentic systems into the wider enterprise architecture. Technical Skillset Requirements Core AI & Frameworks: Agentic Frameworks: Expert-level knowledge of agentic frameworks such as LangChain, LangGraph, Google Agent Development More ❯
Posted:

Senior Gen AI Engineer

City of London, London, United Kingdom
HCLTech
applications on the Google Cloud Platform (GCP), with a strong focus on Vertex AI services. Build Scalable Backend Services: Develop secure, high-performance APIs and microservices using Python and FastAPI to integrate agentic systems into the wider enterprise architecture. Technical Skillset Requirements Core AI & Frameworks: Agentic Frameworks: Expert-level knowledge of agentic frameworks such as LangChain, LangGraph, Google Agent Development More ❯
Posted:

Founding Software Engineer

London Area, United Kingdom
Inferity AI
pipelines Take a product-first approach: asking “why,” not just “how” What You’ll Need Essential Skills Startup Mindset: Bias for action, ownership, comfort with ambiguity Backend Development: Python (FastAPI, Flask) + microservices Distributed Systems: Scaling high-volume data systems Cloud: AWS/GCP/Azure (ECS/EKS, S3, Lambda, IAM or similar) Databases: PostgreSQL + strong data modeling More ❯
Posted:

Founding Software Engineer

City of London, London, United Kingdom
Inferity AI
pipelines Take a product-first approach: asking “why,” not just “how” What You’ll Need Essential Skills Startup Mindset: Bias for action, ownership, comfort with ambiguity Backend Development: Python (FastAPI, Flask) + microservices Distributed Systems: Scaling high-volume data systems Cloud: AWS/GCP/Azure (ECS/EKS, S3, Lambda, IAM or similar) Databases: PostgreSQL + strong data modeling More ❯
Posted:

Founding Software Engineer

london, south east england, united kingdom
Inferity AI
pipelines Take a product-first approach: asking “why,” not just “how” What You’ll Need Essential Skills Startup Mindset: Bias for action, ownership, comfort with ambiguity Backend Development: Python (FastAPI, Flask) + microservices Distributed Systems: Scaling high-volume data systems Cloud: AWS/GCP/Azure (ECS/EKS, S3, Lambda, IAM or similar) Databases: PostgreSQL + strong data modeling More ❯
Posted:

Founding Software Engineer

london (city of london), south east england, united kingdom
Inferity AI
pipelines Take a product-first approach: asking “why,” not just “how” What You’ll Need Essential Skills Startup Mindset: Bias for action, ownership, comfort with ambiguity Backend Development: Python (FastAPI, Flask) + microservices Distributed Systems: Scaling high-volume data systems Cloud: AWS/GCP/Azure (ECS/EKS, S3, Lambda, IAM or similar) Databases: PostgreSQL + strong data modeling More ❯
Posted:

Founding Software Engineer

slough, south east england, united kingdom
Inferity AI
pipelines Take a product-first approach: asking “why,” not just “how” What You’ll Need Essential Skills Startup Mindset: Bias for action, ownership, comfort with ambiguity Backend Development: Python (FastAPI, Flask) + microservices Distributed Systems: Scaling high-volume data systems Cloud: AWS/GCP/Azure (ECS/EKS, S3, Lambda, IAM or similar) Databases: PostgreSQL + strong data modeling More ❯
Posted:

Lead Python Developer, Backend Developer, GCP, Flask,API

London, United Kingdom
Experis
community, contributing to knowledge-sharing initiatives and events. Share your expertise to motivate and mentor your team. Required Skills: Proven experience designing and building REST APIs (ideally with Flask, FastAPI, or similar frameworks). Expertise in designing architectures that meet scalability, reliability, and security goals. Strong problem-solving skills, particularly in product development. Solid understanding of backend best practices, coding More ❯
Employment Type: Permanent
Salary: £70000 - £90000/annum Benefits
Posted:

Data Scientist

United Kingdom
Networker Global Limited
with cloud platforms (AWS SageMaker, Google Vertex AI, Azure ML). Knowledge of graph databases and network analysis techniques. Experience with real-time model inference and API development (e.g., FastAPI, Flask). Personal Attributes Strategic Thinker: Ability to see the "big picture" and align data science projects with business objectives. Exceptional Communicator: Can articulate complex technical concepts to non-technical More ❯
Employment Type: Contract
Posted:

Senior Backend Python Developer

North West London, London, United Kingdom
Richard Wheeler Associates
needs Take technical ownership of areas of product Required: 8-9+ years of experience writing Backend applications using Python and Django (Rest Framework) or related frameworks, e.g. Flask, FastAPI or similar Good understanding of ORM (either Django or SQLAlchemy) Good understanding of Python Unit Testing frameworks and TDD practices Experience working with Cloud Infrastructure (Ideally AWS) Good understanding of More ❯
Employment Type: Permanent
Salary: £85,000
Posted:

Senior Full Stack Engineer

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
looking for: 2+ years' experience in full-stack application development and deployment. Strong skills in both frontend frameworks (React, Next.js, or Vue) and backend technologies (Node.js, Python, Django, or FastAPI). Experience deploying applications in cloud environments using containers and orchestration tools. Proficiency in the Python ecosystem for backend development and AI integration. Strong database knowledge (SQL and NoSQL) and More ❯
Employment Type: Full-Time
Salary: £100,000 - £120,000 per annum
Posted:
FastAPI
10th Percentile
£57,500
25th Percentile
£65,625
Median
£80,000
75th Percentile
£100,000
90th Percentile
£112,500