1 to 25 of 70 Permanent FastAPI Jobs in the UK

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 per annum
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, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms ...

Software Engineer (AI+Fullstack)

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£55,000
skills by exploring and experimenting with emerging technologies, including GenAI. Your skills and experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity ...

Software Engineer (AI+Fullstack)

Hiring Organisation
83zero Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£55,000
skills by exploring and experimenting with emerging technologies, including GenAI. Your skills and experience: Backend Development: Experience in building microservices using either Python with FastAPI, or TypeScript with Express or equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity ...

Senior Python Engineer

Hiring Organisation
Method Resourcing
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
What We're Looking For Essential Professional Python development experience Strong understanding of software design patterns and engineering principles Experience with frameworks such as FastAPI, Django, or Flask Solid knowledge of RESTful APIs and distributed systems Experience working with relational and NoSQL databases Strong testing experience (PyTest, unit, integration ...

Band 7 Senior Developer

Hiring Organisation
University Hospitals Birmingham NHS Foundation Trust
Location
Birmingham, B15 2TH, United Kingdom
Salary
£49387.00 to £56515.00
development, including frameworks such as React and Next.js. *Experience developing and integrating API-driven systems using REST/JSON and backend frameworks (e.g. Python FastAPI or similar). *Relevant database development skills using SQL Server, PostgreSQL, or equivalent relational technologies. *Experience working in high-availability environments, ensuring system reliability ...

AI Lead Engineer

Hiring Organisation
167 Solutions Ltd
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
training, testing and evaluation Prompt Engineering and AI workflow optimisation Programming & Frameworks Strong Python development skills PyTorch TensorFlow Scikit-Learn LangChain LangGraph Hugging Face FastAPI REST APIs Data Technologies SQL NoSQL Databases Data Modelling ETL Development Data Pipeline Engineering Vector Databases such as Pinecone, Weaviate or ChromaDB Cloud & DevOps Experience ...

AI Engineer

Hiring Organisation
167 Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £130,000 per annum
training, testing and evaluation Prompt Engineering and AI workflow optimisation Programming & Frameworks Strong Python development skills PyTorch TensorFlow Scikit-Learn LangChain LangGraph Hugging Face FastAPI REST APIs Data Technologies SQL NoSQL Databases Data Modelling ETL Development Data Pipeline Engineering Vector Databases such as Pinecone, Weaviate or ChromaDB Cloud & DevOps Experience ...

AI-Driven Software Architect — Lead Django Microservices

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with Python and Django on a service‐oriented architecture deployed at scale on Kubernetes. The rest of the tech stack includes Django REST Framework, FastAPI, PostgreSQL, AWS, React.js, Docker, Redis, Celery, Pandas, NumPy, Git, Jenkins and Elasticsearch. We put significant emphasis on design patterns, code readability, automated testing, maintainability ...

Java, Python, React, AI - Senior Full Stack Engineer

Hiring Organisation
Gravitas Recruitment Group Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 - 130,000 Annual
solutions Practical expertise with LangChain, LangGraph, large language models (LLMs), retrieval-augmented generation (RAG), embeddings, and vector databases Strong Back End development skills using FastAPI Frontend development experience with React and TypeScript Proven ability to design and build scalable microservices and distributed systems Experience in cloud-native application development Familiarity ...

Senior Software Engineer, Full Stack - AI

Hiring Organisation
Fitch Group
Location
Manchester, United Kingdom
Employment Type
Full Time
stores, RAG, and LLM integration/fine-tuning (OpenAI, LLaMA, Cohere, etc.) Strong coding in Python and experience with frameworks/tools such as FastAPI, PyTorch/TensorFlow, MLflow; 3-5+ years of experience in designing and developing scalable web applications using modern front-end frameworks such as React ...

Senior Software Engineer, Full Stack - AI

Hiring Organisation
Fitch Group
Location
Greater London, United Kingdom
Employment Type
Full Time
stores, RAG, and LLM integration/fine-tuning (OpenAI, LLaMA, Cohere, etc.) Strong coding in Python and experience with frameworks/tools such as FastAPI, PyTorch/TensorFlow, MLflow; 3-5+ years of experience in designing and developing scalable web applications using modern front-end frameworks such as React ...

Python Technical Lead FinTech

Hiring Organisation
Run-Time Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
technical roadmap, guide architectural decisions, and ensure engineering excellence across backend services. Python Engineering Design and build robust, secure, and scalable microservices using Python (FastAPI, Django, Flask). System Architecture Lead the design of distributed systems, event-driven architectures, and high-availability platforms. Team Mentorship Coach engineers, conduct code reviews ...

Senior Backend Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
environment, this role offers both autonomy and real impact. Requirements Backend Architecture & APIs (Primary Focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. ...

Python Developer

Hiring Organisation
NEEV LIMITED
Location
London, United Kingdom
Employment Type
Permanent
Python, React.js, SQL, and Databricks for building scalable, data-driven Key Responsibilities Backend Development (Python) Build APIs and services using Python frameworks (Flask, FastAPI, Django). Integrate with Databricks SQL endpoints for data access. Ensure performance, scalability, and security of backend systems. Databricks & Data Engineering Develop ETL pipelines and workflows ...

Full Stack Software Developer

Hiring Organisation
Reed
Location
Guildford, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £40,000 per annum, Inc benefits
skills. Proficiency in modern frontend technologies (HTML, CSS, Tailwind, JavaScript/TypeScript, Vue.js React or equivalent) Experience in backend technologies (Laravel/PHP, Python FastAPI Experience using AWS including - ECS, IAM, RDS, CloudWatch, and terraform or infrastructure as code Experience with version control (Git), and CI/CD pipelines Detail ...

Developer - Exposure Analytics

Hiring Organisation
IntecSelect
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 - 90,000 Annual
portfolio analytics capability Improve data quality, reconciliation processes and reporting frameworks Skills & Experience 3-5 years' software development experience Strong Python development skills with FastAPI, Flask or Django Experience building full-stack applications using React, JavaScript/TypeScript and Node.js Knowledge of GitHub, CI/CD, automated testing and Agile ...

Senior AI Engineer Manager/Associate Director Capital Markets

Hiring Organisation
Datatech Analytics
Location
London, United Kingdom
Employment Type
Permanent
LangChain, LangGraph, Agent Development Kit or similar agent frameworks Experience with vector databases such as Pinecone, Chroma or similar API development experience, ideally with FastAPI or similar frameworks Knowledge of MLOps, LLMOps, CI/CD or production deployment practices Experience designing or supporting evaluation frameworks for AI or agentic systems ...

Sr. Software Engineer, Infrastructure

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
PyTest, JUnit, etc.). Attributes Need to Haves: C++ - Strong understanding of multithreading, asynchronous programming, network protocols Advanced knowledge of Python and related frameworks (FastAPI, NumPy, Pandas, Pydantic) including multithreading and parallel design principles. Understanding of AWS, including knowledge of Cognito, Pinpoint, IoT, MSK and other services. Deep understanding ...

R&D Software Engineer

Hiring Organisation
FBI &TMT
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£50,000
tools, LLMs, speech services, RAG systems, or AI APIs Experience with Unreal Engine, Unity, or other real-time 3D development environments Familiarity with Docker, FastAPI, REST APIs, Git, and deployment workflows Experience with simulation, defence, XR, training systems, or serious games Familiarity with cloud services or local/offline model ...

Lead Software Engineer

Hiring Organisation
MARSH CORPORATE SERVICES LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
pensions covenant/advisory/trustee-facing tools, and strong ability to connect technical design to covenant outcomes. Experience with Python-based services (e.g., FastAPI) and modern web stacks (e.g., Next.js/React.js) in real-world delivery. Practical experience delivering GenAI/agentic solutions (prompt engineering, RAG, governance patterns ...

Senior Product Engineer, £100k + benefits

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
customer value, not just implementation) Evidence of iterative delivery (MVPs, feedback loops, prioritisation) Ability to work with ambiguity and challenge requirements Tech: Python, TypeScript FastAPI, Django, Vue MongoDB, PostgreSQL Kubernetes GCP The money is good too – up to £100k plus benefits including bonus, share options and private healthcare. ...

Senior Software Engineer - Python/Web, office based - London

Hiring Organisation
Tech Talent ID
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 - 85,000 Annual
software solutions, providing technical guidance to a small team, ideally offering experience across. Solid Python web development in a B2B product setting Django FastAPI/Flask beneficial AWS DevOps Agile Please note, this role requires Full Time attendance in their central London office - please only apply if that is something ...

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 ...

Quant Developer

Hiring Organisation
TXP Technology x People
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55.00 per hour
continuous improvement across performance, scalability, and reliability Technical Environment You'll be working with a modern, cloud-native stack, including: Languages & Frameworks: Python, Rust, FastAPI, NiceGUI Cloud & Infrastructure: AWS, Docker, Docker Compose, AWS Fargate DevOps & CI/CD: Azure DevOps, CI/CD pipelines, Entra ID Monitoring: Datadog Optimisation: CPLEX ...

Digital Promotion Developer Freight

Hiring Organisation
Heathrow Personnel
Location
Hounslow, London, United Kingdom
Employment Type
Permanent
Salary
£40,000
systems, processes, and deployments. Essential Skills & Experience Strong commercial experience with Python, JavaScript, and SQL. Experience working with back-end frameworks such as Flask, FastAPI, Node.js, or similar. Hands-on experience with cloud platforms such as AWS, Azure, or DigitalOcean. Experience developing or supporting Robotic Process Automation (RPA) solutions. Strong ...