1 to 25 of 198 Permanent FastAPI Jobs

GenAI Full Stack Developer (SC Cleared/Eligible)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
with multidisciplinary teams to deliver impactful digital experiences. Key Responsibilities Build GenAI applications using frameworks like LangChain, LangGraph, or CrewAI. Develop microservices using Python (FastAPI) or TypeScript (Express). Create front-end applications with React, TypeScript, and frameworks like Next.js or Vite. Integrate LLMs (e.g., OpenAI, Anthropic, Mistral) and vector ...

Generative AI Consultant

Hiring Organisation
83zero Ltd
Location
London, Fleet Street, United Kingdom
Employment Type
Permanent
Salary
£45000 - £70000/annum Bonus, Pension, PH, LA
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 ...

Generative AI Engineer

Hiring Organisation
83zero Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
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 Developer

Hiring Organisation
Reed Technology
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
years of commercial software development experience. Proven success in high-performing engineering teams within fast-paced environments. Deep expertise in: Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Desirable experience includes: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform ...

Senior Developer

Hiring Organisation
Reed
Location
Holborn, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
years of commercial software development experience. Proven success in high-performing engineering teams within fast-paced environments. Deep expertise in: Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Desirable experience includes: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform ...

Head of Development and AI

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Permanent
Full-Stack Development Solid software engineering background with proficiency in Python, JavaScript/TypeScript, Java, or Go Experience with modern frameworks (React, Node.js, Django, FastAPI) Knowledge of microservices architecture, API design (REST, GraphQL) Experience with containerization (Docker, Kubernetes) and cloud-native development patterns DevOps & SRE Practices Experience implementing CI/ ...

Senior Software Engineer

Hiring Organisation
F S People
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £120,000 per annum
scope work, plan release,s and make pragmatic build-versus-buy decisions. What they're looking for: Hard skills Python proficiency with any framework. FastAPI or Django are welcome. TypeScript expertise and strong React experience. Solid SQL experience. PostgreSQL is preferred but any advanced SQL background is welcome. Strong automated ...

AI Automation Engineer

Hiring Organisation
McCabe & Barton
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling, API documentation (Swagger ...

AI Automation Engineer

Hiring Organisation
McCabe & Barton
Location
Central London, London, United Kingdom
Employment Type
Permanent
integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling, API documentation (Swagger ...

Python Developer - Permanent - Leeds, UK

Hiring Organisation
Cactus IT Solutions UK Ltd
Location
Leeds, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Responsibilities: Lead the design and development of complex applications using Core Python and web frameworks like Flask, FastAPI, Django. Implement best practices in software development, including exception handling, data structures, and object-oriented programming (OOP). Collaborate with Front End developers using JavaScript, CSS, and HTML to create seamless user ...

AI Python Engineer

Hiring Organisation
Advancing People
Location
Brussels, Belgium
Employment Type
Permanent
Salary
£51794 - £57837/annum Plus bonus and benefits
someone with ideally at least 2-4 years' proven Python Engineering experience, coupled with experience of the following Frameworks and AI exposure: Flask Django FastAPI Programming: Proven Python skills on end to end projects or product 2-4 years of experience in a similar role Interest or familiarity with ...

Senior Python Backend Developer

Hiring Organisation
Richard Wheeler Associates
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
ownership of areas of product Required: 7+ years of experience writing backend applications using Python and Django (Rest Framework) or related frameworks, e.g. Flask, FastAPI Good understanding of ORM (either Django or SQLAlchemy) Good understanding of Python Unit Testing frameworks and TDD practices Experience working with Cloud Infrastructure (Ideally ...

Full-Stack React Developer

Hiring Organisation
Eligo Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 per annum
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 ...

Python Backend Developer

Hiring Organisation
Richard Wheeler Associates
Location
North West London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
ownership of areas of product Required: 7+ years of experience writing Backend applications using Python and Django (Rest Framework) or related frameworks, e.g. Flask, FastAPI Good understanding of ORM (either Django or SQLAlchemy) Good understanding of Python Unit Testing frameworks and TDD practices Experience working with Cloud Infrastructure (Ideally ...

Python Developer

Hiring Organisation
Syntax Consultancy Ltd
Location
Leeds, West Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum to £80k (DOE)
drive development projects, and mentor junior developers. Leading the design + development of complex applications using Core Python, and web frameworks (-eg- Django, Flask, FastAPI). SQL Server database experience, including developing/optimizing SQL Server databases, data analysis, and efficient data storage/retrieval. Familiarity with AWS Cloud Services ...

Senior Software Engineer Python TypeScript

Hiring Organisation
Client Server
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
office (close to Waterloo) with flexibility to work from home twice a week. About you: You have strong backend Python coding skills, ideally including FastAPI You have full stack experience, including TypeScript and React (or other framework) You have a good understanding of system design and scalability You're familiar ...

Agentic AI Engineer - Microsoft Ecosystem

Hiring Organisation
Avanade
Location
England, UK
Employment Type
Full-time
Foundry, and have at least one year of relevant experience. Strong software development background with proficiency in Python. Experience with API development using FastAPI, Flask, or Django. Knowledge of Docker and containerized deployments. Hands-on experience with LLM models such as OpenAI GPTs, Claude, Gemini, LLaMA, or Mistral. Expertise ...

Senior Python Engineer (£100k + benefits)

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
techniques like TDD and SOLID and be comfortable with practices like IaC, CI/CD and Observability. Skills: Python GCP, AWS Kubernetes, Docker, ECS FastAPI, Django PostgreSQL, MongoDB Serverless, Container-based and Event Driven Architectures The money is good too – up to £100k plus benefits including nonus, share options ...

AI Developer

Hiring Organisation
Moneypenny
Location
Wrexham, Wales, United Kingdom
particularly DataDog for LLM observability. Experience with task scheduling, cron jobs, and webhook integrations. Frontend experience with VueJS or Streamlit. Tech Stack: Python 3.11+ • FastAPI • asyncio • OpenAI • Docker • MongoDB • pytest • Git • Twilio • Deepgram • ElevenLabs • LiteLLM • Groq • LangChain • MCP servers • AWS/Azure • DataDog • SendGrid • ActivePieces What’s included ...

Sr Machine Learning Engineer

Hiring Organisation
PayPal
Location
Dublin, Ireland
Employment Type
Permanent
Salary
EUR 70,000 - 90,000 Annual
. Proficiency in SQL and data querying from cloud data warehouses. Ensure data quality and integrity in all processes. Experience with building backend APIs (FastAPI, Flask) and deploying services. Familiarity with LLMs and NLP concepts, and basic prompt engineering. Ability to build usable UIs with Streamlit, Dash, or collaborate with ...

Senior/Lead Full Stack Developer (React / Python) AI Start up!

Hiring Organisation
Robert Half
Location
City of London, London, United Kingdom
Employment Type
Permanent
front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A proactive, problem-solving mindset Ideally ...

Senior/Lead Full Stack Developer React / Python AI Start up!

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A proactive, problem-solving mindset Ideally ...

Software Engineer

Hiring Organisation
idpp
Location
Basingstoke, Hampshire, UK
Employment Type
Full-time
Develop AI-driven capabilities (e.g. LLMs, retrieval-augmented generation (RAG), and AI agents) Build and maintain APIs, data pipelines, and backend components (primarily Python, FastAPI, or Flask) Engineer robust, containerised architectures using Docker and Kubernetes Work with ElasticSearch, Weaviate, Pinecone, and other vector databases Help deliver high-availability, fault-tolerant ...

Machine Learning Engineer for Financial Services

Hiring Organisation
NLP PEOPLE
Location
Dublin, Ireland
Employment Type
Permanent
Salary
EUR 30,000 - 35,000 Annual
applications in AWS. Tech Stack We use a mix of modern tools and languages: Languages: Python, Typescript, SQL ML Frameworks: PyTorch, XGBoost API Frameworks: FastAPI, Express.js Databases: Snowflake, Postgres Cloud: AWS Hybrid Work & Schedule This is a remote position, and you are free to work from anywhere in Italy. However ...

Full Stack Engineer

Hiring Organisation
Capsa AI
Location
Slough, Berkshire, UK
Employment Type
Full-time
Have the opportunity to participate in the upside of an ultra-growth venture. Have fun Apply if: You have experience with our stack: Python, FastAPI, Postgres, SQLAlchemy, Alembic, Typescript, React, LlamaIndex/LangChain, PyTorch, HuggingFace, OpenAI, Docker, Azure, You have taken entire products or features from ideation to deployment ...