26 to 50 of 102 FastAPI Jobs in the UK

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 ...

Senior Front End Developer TypeScript React

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
strong TypeScript and React skills You have a good understanding of system design and scalability You have some backend Python coding skills, ideally including FastAPI You're familiar with other technology in the stack including: AWS, Terraform, Docker, PostgreSQL, DynamoDB, CI/CD, GitHub actions, Blacksmith runners You're collaborative ...

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 £185k 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 🛠️ 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 ...

Founding Staff Engineer

Hiring Organisation
Egregious
Location
London, England, United Kingdom
highly collaborative team to lead engineering efforts that shape the success of the platform. Qualifications Backend Mastery: Expert-level Python with deep experience in FastAPI and asyncio for building high-concurrency, non-blocking systems. Cloud Native Infrastructure: Proven track record of deploying and scaling systems using Kubernetes , Docker , and Kafka ...

Full-Stack Software Developer

Hiring Organisation
Provide CIC
Location
Colchester, CO4 9YQ, United Kingdom
Salary
£46148.00 to £52809.00
Azure Desirable Fullstack web development experience Familiarity with frontend web frameworks such as Astro or React Familiarity with backend web frameworks such as Express, FastApi and Axum Disclosure and Barring Service Check This post is subject to the Rehabilitation of Offenders Act (Exceptions Order) 1975 and as such it will ...

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 - Fintech

Hiring Organisation
Run-Time Group Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
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, AWS DevOps tools: Kubernetes, Docker,Terraform, Jenkins Very strong software engineering principles Enthusiasm for startup environment and cross-functional teams Passion for automation ...

Software Engineer (Applied AI)

Hiring Organisation
TalentCo
Location
United Kingdom
would be advantageous. As Software Engineer (Applied AI) you will: Work across the stack: Own features end-to-end with React (TypeScript) and Python (FastAPI), blending UX and ML into production-ready code. Build AI-first features: Design and ship cutting-edge platform features using personalisation, LLMs, recommender systems ...

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 ...

Senior Software Engineer

Hiring Organisation
Thyme
Location
London Area, United Kingdom
degree in Computer Science (or related field) 4+ years of relevant work experience using Python and related tech stack in a professional environment Django, FastAPI, PostgreSQL, Kafka, AWS, Kubernetes experience and knowledge Experience in a Fintech or Financial services organisation is a nice to have Clear communication skills, both written ...

Senior AI Engineer - Market Intelligence

Hiring Organisation
Harnham
Location
United Kingdom
knowledge retrieval and reasoning • Build agentic AI workflows using frameworks such as LangChain or similar • Develop LLM microservices using Python frameworks such as FastAPI or Flask • Build internal AI tools including chatbots, automation systems, and workflow assistants • Deploy AI services on AWS infrastructure and manage reliability and monitoring • Work with ...

GenAI Engineer - Global Beauty Brand

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
teams Key Details • Salary: up to £85k + 10% bonus • Working model: Hybrid London (2–3 days in office) • Tech stack: Python, GCP (preferred), FastAPI, LangChain/LangGraph, CI/CD • 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 We’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 ...

Technical Lead - Automation

Hiring Organisation
McGregor Boyall Associates Limited
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
practices across the team. Essential Skills & Experience Proven experience leading high-performing software engineering teams. Strong Python development (3.9+) and experience building APIs using FastAPI . Commercial experience with AWS , including serverless architectures and infrastructure as code. Experience with OCR, object detection, or LLM-based automation solutions . Expertise with ...

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 ...

Backend Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £75,000 per annum
quality software solutions across the full development lifecycle. Build and deploy cloud-native applications using technologies such as AWS Lambda, Spring Boot, NodeJS, Python FastAPI, Oracle, PostgreSQL, and MongoDB . Work within Agile and DevSecOps environments, utilising tooling such as Atlassian, Jenkins, GitLab, OWASP and AWS services. Apply Site Reliability ...

Backend Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
Cheltenham, Gloucestershire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £75,000 per annum
quality software solutions across the full development lifecycle. Build and deploy cloud-native applications using technologies such as AWS Lambda, Spring Boot, NodeJS, Python FastAPI, Oracle, PostgreSQL, and MongoDB . Work within Agile and DevSecOps environments, utilising tooling such as Atlassian, Jenkins, GitLab, OWASP and AWS services. Apply Site Reliability ...

Backend Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £75,000 per annum
quality software solutions across the full development lifecycle. Build and deploy cloud-native applications using technologies such as AWS Lambda, Spring Boot, NodeJS, Python FastAPI, Oracle, PostgreSQL, and MongoDB . Work within Agile and DevSecOps environments, utilising tooling such as Atlassian, Jenkins, GitLab, OWASP and AWS services. Apply Site Reliability ...

Software Engineer

Hiring Organisation
Diamond Light Source
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
with GraphQL, OpenAPi spec, JSON Schema & SQL/No SQL databases. Familiarity with MonoRepo project structures (TurboRepo) Development of APIs with Python Frameworks e.g. FastAPI Benefits Diamond offers an exceptional benefits package to support staff in achieving a positive work/life balance. This includes 26 days annual leave plus ...

Python Developer

Hiring Organisation
Yolk Recruitment Limited
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
Salary
£50,000
Head of Engineering on platform improvements Take ownership of problems and contribute across different areas of the product as needed Tech Stack Python FastAPI Docker/containerisation AWS Linux About You Around 2-4 years of software engineering experience Strong Python development skills Experience building APIs or backend services Comfortable ...

Senior Founding Engineer

Hiring Organisation
Corecom Consulting
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
tooling, and internal platforms Working closely with founders and customers to shape the product direction Tech Stack Frontend: React, React Native, TypeScript Backend: Python, FastAPI, PostgreSQL Infrastructure: GCP, Terraform, Airflow AI: LLM integrations and AI-driven automation What They're Looking For Experience as a Full-Stack Engineer building production ...

Founding AI Engineer

Hiring Organisation
Richard Wheeler Associates
Location
East 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 ...

Backend Engineer (Python, FastAPI/Flask/Django/GPU/CUDA)

Hiring Organisation
Adecco
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £70,000 per annum
Backend Engineer (Python, FastAPI/Flask/DjangoGPU/CUDA) Bristol (Hybrid) £55,000 - £70,000 + Benefits PermanentThe OpportunityAn innovative analytics organisation operating within the insurance and risk sector is looking for a Backend Engineer to join their growing technology team in Bristol.This company builds advanced underwriting and risk … pipelines, design robust APIs, and ensure systems are reliable, performant, and production-ready.Key ResponsibilitiesDevelop and maintain backend services in Python using modern frameworks (e.g. FastAPI)Design and implement REST APIs for internal platforms and third-party integrationsCollaborate with scientists to support a GPU-accelerated risk modelling engineOptimise backend services ...