26 to 50 of 77 FastAPI Jobs in the UK

Full Stack Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
technical decisions as the platform evolves and scales Owning meaningful parts of the product rather than small isolated tickets Tech stack Backend: Python (FastAPI, Flask, or Django experience beneficial), Postgres Frontend: TypeScript, Vue 3 Cloud: Azure, GCP, or AWS experience a bonus You do not need to match this exactly. ...

Senior Python/GenAI Developer

Hiring Organisation
Randstad Digital
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
Salary
£75,000
years of professional experience. You must have 'under-the-hood' knowledge of Python, specifically for building high-throughput microservices and complex data pipelines using FastAPI, Pandas, and NumPy . The RAG & Agentic Expert: This is the 'Critical' requirement. Our client needs someone with deep hands-on experience building Retrieval-Augmented ...

Python Developer

Hiring Organisation
Vallum Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525/day
Responsibilities Develop, test, and maintain high-performance backend applications using Python Design and build RESTful APIs using FastAPI Automate deployment, configuration, and infrastructure management using Ansible Collaborate with DevOps teams to implement and maintain CI/CD pipelines Manage cloud-based infrastructure and containerized applications (Docker/Kubernetes) Write clean ...

Contract Software Engineer

Hiring Organisation
Morson Edge
Location
United Kingdom
expect to apply XP techniques like TDD and SOLID and be comfortable with practices like IaC, CI/CD and Observability. Skills: Python, TypeScript FastAPI, Django, Vue MongoDB, DynamoDB Kubernetes GCP, AWS In return they're offering initial 6-month contracts outside IR35 paying up to £700/day. ...

Senior AI Engineer

Hiring Organisation
Bright Purple Resourcing
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
. Applying prompt engineering, guardrails, evaluation and observability using tooling such as LangSmith, Langfuse, Ragas, promptfoo and Azure AI Content Safety. Productionising solutions with FastAPI, async Python, Pydantic, Docker and Kubernetes , deployed into Azure-native infrastructure . Partnering with data engineers, solution architects and advisory consultants ...

Senior AI Engineer

Hiring Organisation
Bright Purple Resourcing
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
. Applying prompt engineering, guardrails, evaluation and observability using tooling such as LangSmith, Langfuse, Ragas, promptfoo and Azure AI Content Safety. Productionising solutions with FastAPI, async Python, Pydantic, Docker and Kubernetes , deployed into Azure-native infrastructure . Partnering with data engineers, solution architects and advisory consultants ...

Tools Engineer

Hiring Organisation
Sing King
Location
London Area, United Kingdom
evolve us from our existing combination of backend and frontend systems into a new bespoke solution incorporating an API currently being developed in Python (FastAPI with PostgreSQL) and a web-app frontend in React.js or similar. WHAT YOU’LL DO Lead the CMS architecture, the heart of the creation ...

Senior Full Stack Engineer

Hiring Organisation
Prolo
Location
London Area, United Kingdom
leverages graph databases, machine learning, and modern cloud infrastructure to deliver intelligent procurement and customer service solutions. Our stack includes: Backend Services : Python 3.13, FastAPI, async micro-services architecture Data Layer : Neo4j graph database, PostgreSQL, complex data modelling AI/ML : OpenAI integration, semantic search, conversational agents, unstructured data analysis … small team Adaptable : Comfortable with ambiguity and rapid iteration Mentoring: Able to mentor less-experienced Software Engineers. Nice-to-Have Qualifications Experience with FastAPI or similar async Python web frameworks Experience with Neo4j or other graph databases Experience with graph algorithms and network analysis Experience with Helm and Kubernetes operators ...

Senior Product Engineer (£100k + benefits)

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
expect to apply XP techniques like TDD and SOLID and be comfortable with practices like IaC, CI/CD and Observability. Skills: Python, TypeScript FastAPI, Django, Vue MongoDB, PostgreSQL Kubernetes GCP The money is good too – up to £100k plus benefits including nonus, share options and private healthcare. ...

Lead Python Engineer

Hiring Organisation
Opto Talent
Location
City of London, London, United Kingdom
years of software engineering experience, ideally within AI, SaaS, or automation platforms. Strong experience building backend systems in Python. Experience with frameworks such as FastAPI, Flask, or Django. Experience working with APIs, data pipelines, and scalable systems. Familiarity with cloud infrastructure and microservices architectures. Experience with Git, CI/ ...

Python Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
Detection) Experience with libraries such as PyTorch, Hugging Face, OpenCV, and Pandas Knowledge of AWS services (Lambda, S3, SQS, CloudWatch) Experience building APIs using FastAPI Solid understanding of data processing, system design, and cloud-based architectures Familiarity with Agile methodologies and modern development practices (TDD, CI/CD) If this ...

Senior Software Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
Builder: You have experience in production environments and enjoy seeing your code solve tangible business problems. Stack Versatility: You are highly proficient in Python ( FastAPI ) and TypeScript ( React/Next.js ), with a solid grasp of SQL and GCP . Independent Execution: You are comfortable working with high levels of trust ...

Senior Software Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
production-grade product features. Data & Pipelines: Experience building ingestion workflows and connecting disparate internal data sources. Stack Versatility: You are highly proficient in Python ( FastAPI ) and TypeScript ( React/Next.js ), with a solid grasp of SQL and GCP . The Profile The Practical Automator: You have a track record ...

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 ...

Full Stack AI Engineer

Hiring Organisation
Addition
Location
Derby, Derbyshire, England, United Kingdom
Employment Type
Full-Time
Salary
£42,000 - £55,150 per annum
delivery in a highly regulated environment, ensuring auditability and high engineering standards Main Skills Needed: Strong full stack engineering experience (React/TypeScript, Python, FastAPI, or Node.js) Proven experience building AI/ML systems, particularly RAG or agent-based architectures Solid Azure expertise (Azure ML, Azure OpenAI, Functions ...

Python Software Engineer - To £65,000

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Job Title: Python Software Engineer Job Type: Full-time, permanent, Manchester Salary: Up to £65,000 + 10% Bonus About the business This Manchester based organisation are one of the UK's fastest-growing AI ...

Full Stack Engineer

Hiring Organisation
Retelligence
Location
Cambridge, England, United Kingdom
maintain high operational excellence. Compliance: Build with security at the forefront to meet international data protection and AI governance standards. Technical Stack Python , FastAPI . TypeScript , React . AWS . ...

Engineering Manager

Hiring Organisation
trg.recruitment
Location
London Area, United Kingdom
design fundamentals: DDD, modularity, clean APIs, versioning PostgreSQL, ORMs, migrations, and performance optimisation Experience building developer platforms, multi-tenant systems, or public APIs Python (FastAPI/Flask), Docker, GitHub Actions, Cloud Run, CI/CD, containers Clear communicator across engineers, product managers, and senior stakeholders ...

Engineering Manager

Hiring Organisation
Total Recruitment Group
Location
South West London, London, United Kingdom
Employment Type
Permanent
design fundamentals: DDD, modularity, clean APIs, versioning PostgreSQL, ORMs, migrations, and performance optimisation Experience building developer platforms, multi-tenant systems, or public APIs Python (FastAPI/Flask), Docker, GitHub Actions, Cloud Run, CI/CD, containers Clear communicator across engineers, product managers, and senior stakeholders ...

Senior Software Engineer (Python/React)

Hiring Organisation
Oliver Bernard
Location
London Area, United Kingdom
Salary: £70,000 - £160,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 2/3 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 ...

Senior Full Stack Engineer - Remote

Hiring Organisation
Birchwell Associates Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
work independently Technical Environment The primary stack is Ruby on Rails. However, we are open to candidates with strong experience in: Python (Django/FastAPI) Node.js Go Elixir The focus is on strong backend engineering fundamentals rather than a specific language. Preferred Experience Experience scaling systems to large user bases ...

AI Engineer

Hiring Organisation
Richard Wheeler Associates
Location
Central 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 ...

Artificial Intelligence Engineer

Hiring Organisation
Prism Digital
Location
City of London, London, United Kingdom
manual processes. They’re building something that handles tenant communication, operations, compliance and transactions through AI agents instead. What They're Looking For Python FastAPI LLMs (production systems) AI agent frameworks (LangGraph or similar) RAG pipelines Postgres Redis Async processing and queuing (Celery, RabbitMQ, SQS) Event-driven architecture CI/ ...

Forward Deployed AI Engineer

Hiring Organisation
Richard Wheeler Associates
Location
Central 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 ...

Senior Software Engineer Contract

Hiring Organisation
Altech Group Ltd
Location
City of London, London, United Kingdom
with a Senior Team, to raise standards, own features from scratch & improve an already super fast-paced technical team Tech Stack: Python ( Django/FastAPI) Typescript ( Vue.js) AWS, serverless NoSQL ( MongoDB/DynamoDB Observabilty/Datadog. This role will give you real ownership, ability to work ...