FastAPI Jobs in the UK

101 to 125 of 189 FastAPI Jobs in the UK

Senior Backend Engineer (Python | AI | 3D Environments | £130,000)

slough, south east england, united kingdom
Hybrid / WFH Options
Paradigm Talent
frontend, and ML teams to deliver features that delight and scale. You should have 5+ years of experience developing production-grade backend systems and APIs. Strong skills in Python (FastAPI or similar) and modern cloud infrastructure. Deep understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users and UX impact in mind. Passion More ❯
Posted:

Senior Backend Engineer (Python | AI | 3D Environments | £130,000)

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Paradigm Talent
frontend, and ML teams to deliver features that delight and scale. You should have 5+ years of experience developing production-grade backend systems and APIs. Strong skills in Python (FastAPI or similar) and modern cloud infrastructure. Deep understanding of system design, scalability, and reliability . A product-oriented mindset — you design with end users and UX impact in mind. Passion More ❯
Posted:

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

City of London, London, United Kingdom
Hybrid / WFH Options
Owen Thomas | Pending B Corp™
measures, sensors) -> Offline-first/PWA 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 -> STEM Background -> React + More ❯
Posted:

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

London Area, United Kingdom
Hybrid / WFH Options
Owen Thomas | Pending B Corp™
measures, sensors) -> Offline-first/PWA 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 -> STEM Background -> React + More ❯
Posted:

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

london, south east england, united kingdom
Hybrid / WFH Options
Owen Thomas | Pending B Corp™
measures, sensors) -> Offline-first/PWA 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 -> STEM Background -> React + More ❯
Posted:

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

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Owen Thomas | Pending B Corp™
measures, sensors) -> Offline-first/PWA 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 -> STEM Background -> React + More ❯
Posted:

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

slough, south east england, united kingdom
Hybrid / WFH Options
Owen Thomas | Pending B Corp™
measures, sensors) -> Offline-first/PWA 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 -> STEM Background -> React + More ❯
Posted:

Senior Python Developer-Datasmoothie

London, United Kingdom
Marketing Management Analytics, Inc
and caching optimizations, and elevate the team by guiding and supporting junior developers through mentorship and code reviews. About you: Essential skills: Professional Python experience, including deep knowledge of FastAPI and async workflows. Proven ability to take ownership of features, lead development, and support junior engineers. A genuine love for writing code, demonstrated by launching your own tools or projects. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Machine Learning Engineer: AI Shopping Agents (Remote)

United Kingdom
Hybrid / WFH Options
Constructor
understanding of ML evaluation methodologies and key IR metrics Passion for shipping high-quality products and a self-motivated drive to take ownership of tasks Tech Stack Core : Python, FastAPI, asyncio, Airflow, Luigi, PySpark, Docker, LangGraph Data Stores : Vector Databases, DynamoDB, AWS S3, AWS RDS Cloud & MLOps : AWS, Databricks, Ray ️ Unlimited vacation time - we strongly encourage all of our employees More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Python Software Engineer

Manchester, Lancashire, England, United Kingdom
Hybrid / WFH Options
Interquest
This role is Hybrid and requires occasional attendance to the Manchester HQ office. Job Title: Python Software Engineer Location: Manchester Job Type: Full-time, permanent Salary: Up to £65,000 + Bonus About the business This FinTech organisation are one More ❯
Employment Type: Full-Time
Salary: £55,000 - £65,000 per annum
Posted:

Lead Backend Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Few&Far
embark on their next phase of expansion. You'll be 100% hands-on, with the opportunity to step into a leadership role as the team scales. Tech Stack - Python, FastAPI, AWS, PostgreSQL, NumPy, Pandas What You’ll Be Doing - Designing, building, and maintaining scalable backend systems for AI-driven healthcare solutions. Working closely with the ML engineers to integrate AI More ❯
Posted:

Lead Backend Engineer

London Area, United Kingdom
Hybrid / WFH Options
Few&Far
embark on their next phase of expansion. You'll be 100% hands-on, with the opportunity to step into a leadership role as the team scales. Tech Stack - Python, FastAPI, AWS, PostgreSQL, NumPy, Pandas What You’ll Be Doing - Designing, building, and maintaining scalable backend systems for AI-driven healthcare solutions. Working closely with the ML engineers to integrate AI More ❯
Posted:

Lead Backend Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Few&Far
embark on their next phase of expansion. You'll be 100% hands-on, with the opportunity to step into a leadership role as the team scales. Tech Stack - Python, FastAPI, AWS, PostgreSQL, NumPy, Pandas What You’ll Be Doing - Designing, building, and maintaining scalable backend systems for AI-driven healthcare solutions. Working closely with the ML engineers to integrate AI More ❯
Posted:

Lead Backend Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
Few&Far
embark on their next phase of expansion. You'll be 100% hands-on, with the opportunity to step into a leadership role as the team scales. Tech Stack - Python, FastAPI, AWS, PostgreSQL, NumPy, Pandas What You’ll Be Doing - Designing, building, and maintaining scalable backend systems for AI-driven healthcare solutions. Working closely with the ML engineers to integrate AI More ❯
Posted:

Lead Backend Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Few&Far
embark on their next phase of expansion. You'll be 100% hands-on, with the opportunity to step into a leadership role as the team scales. Tech Stack - Python, FastAPI, AWS, PostgreSQL, NumPy, Pandas What You’ll Be Doing - Designing, building, and maintaining scalable backend systems for AI-driven healthcare solutions. Working closely with the ML engineers to integrate AI More ❯
Posted:

AI Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Circle Recruitment
through to deployment Should have experience in agile product delivery, working within a small interdisciplinary team to deliver as a group Assisting with the maintenance and iteration of a FastAPI-based web API hosted on AWS. Enhancing the existing product in line with the roadmap, focusing on data ingestion, UI updates (with a Fullstack Developer), and potential agentic features. Supporting More ❯
Employment Type: Contractor
Rate: £700 - £850 per day
Posted:

Lead Engineer - Stealth AI Startup

City of London, London, United Kingdom
Urban Digital Recruitment Ltd
in project delivery : taking ideas from concept to production under tight timelines. Comfort with ambiguity and speed — this is an early-stage, high-autonomy environment. Tech Snapshot Python 3.11+, FastAPI, SQLAlchemy, Alembic, PostgreSQL AWS (IAM, SES, Bedrock) Event-driven architecture, API-first development AI/ML pipelines integrated into core workflows Why This Role Take over a Lead position and More ❯
Posted:

Lead Engineer - Stealth AI Startup

London Area, United Kingdom
Urban Digital Recruitment Ltd
in project delivery : taking ideas from concept to production under tight timelines. Comfort with ambiguity and speed — this is an early-stage, high-autonomy environment. Tech Snapshot Python 3.11+, FastAPI, SQLAlchemy, Alembic, PostgreSQL AWS (IAM, SES, Bedrock) Event-driven architecture, API-first development AI/ML pipelines integrated into core workflows Why This Role Take over a Lead position and More ❯
Posted:

Lead Engineer - Stealth AI Startup

london, south east england, united kingdom
Urban Digital Recruitment Ltd
in project delivery : taking ideas from concept to production under tight timelines. Comfort with ambiguity and speed — this is an early-stage, high-autonomy environment. Tech Snapshot Python 3.11+, FastAPI, SQLAlchemy, Alembic, PostgreSQL AWS (IAM, SES, Bedrock) Event-driven architecture, API-first development AI/ML pipelines integrated into core workflows Why This Role Take over a Lead position and More ❯
Posted:

Lead Engineer - Stealth AI Startup

london (city of london), south east england, united kingdom
Urban Digital Recruitment Ltd
in project delivery : taking ideas from concept to production under tight timelines. Comfort with ambiguity and speed — this is an early-stage, high-autonomy environment. Tech Snapshot Python 3.11+, FastAPI, SQLAlchemy, Alembic, PostgreSQL AWS (IAM, SES, Bedrock) Event-driven architecture, API-first development AI/ML pipelines integrated into core workflows Why This Role Take over a Lead position and More ❯
Posted:

Lead Engineer - Stealth AI Startup

slough, south east england, united kingdom
Urban Digital Recruitment Ltd
in project delivery : taking ideas from concept to production under tight timelines. Comfort with ambiguity and speed — this is an early-stage, high-autonomy environment. Tech Snapshot Python 3.11+, FastAPI, SQLAlchemy, Alembic, PostgreSQL AWS (IAM, SES, Bedrock) Event-driven architecture, API-first development AI/ML pipelines integrated into core workflows Why This Role Take over a Lead position and More ❯
Posted:

Full Stack Engineer

Greater London, England, United Kingdom
Hybrid / WFH Options
Futuria
world needs, contributing directly to products that redefine how humans and intelligent agents collaborate. Key Responsibilities Design, implement, and maintain scalable back-end systems and RESTful APIs using Python (FastAPI/D) Apply domain-driven design and test-driven development to build microservices using agile methodologies, with a focus on reliability Develop, test, and deploy LLM-based applications in secure … re motivated by the opportunity to build meaningful, production-ready tools at the frontier of LLMs, agentic AI, and enterprise software. Essential: Strong experience with Python and proficiency in FastAPI or Django Proven experience building secure, enterprise-grade, public-facing software in an agile delivery environment Familiarity with SQL and NoSQL databases, including PostgreSQL, Redis, or MongoDB Solid understanding of More ❯
Posted:

Full Stack Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Futuria
world needs, contributing directly to products that redefine how humans and intelligent agents collaborate. Key Responsibilities Design, implement, and maintain scalable back-end systems and RESTful APIs using Python (FastAPI/D) Apply domain-driven design and test-driven development to build microservices using agile methodologies, with a focus on reliability Develop, test, and deploy LLM-based applications in secure … re motivated by the opportunity to build meaningful, production-ready tools at the frontier of LLMs, agentic AI, and enterprise software. Essential: Strong experience with Python and proficiency in FastAPI or Django Proven experience building secure, enterprise-grade, public-facing software in an agile delivery environment Familiarity with SQL and NoSQL databases, including PostgreSQL, Redis, or MongoDB Solid understanding of More ❯
Posted:

Full Stack Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
Futuria
world needs, contributing directly to products that redefine how humans and intelligent agents collaborate. Key Responsibilities Design, implement, and maintain scalable back-end systems and RESTful APIs using Python (FastAPI/D) Apply domain-driven design and test-driven development to build microservices using agile methodologies, with a focus on reliability Develop, test, and deploy LLM-based applications in secure … re motivated by the opportunity to build meaningful, production-ready tools at the frontier of LLMs, agentic AI, and enterprise software. Essential: Strong experience with Python and proficiency in FastAPI or Django Proven experience building secure, enterprise-grade, public-facing software in an agile delivery environment Familiarity with SQL and NoSQL databases, including PostgreSQL, Redis, or MongoDB Solid understanding of More ❯
Posted:

Senior Backend Software Engineer - Pathogen

Oxford, Oxfordshire, United Kingdom
Ellison Institute, LLC
Overview Led by a world-class faculty of scientists, technologists, policy makers, economists and entrepreneurs, the Ellison Institute of Technology aims to develop and deploy commercially sustainable solutions to solve some of humanity's most enduring challenges. Our work is More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
FastAPI
10th Percentile
£57,500
25th Percentile
£65,625
Median
£80,000
75th Percentile
£100,000
90th Percentile
£112,500