1 to 25 of 64 FastAPI Jobs in England

GenAI Full Stack Engineer

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 ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
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 ...

Lead GenAI Full Stack Engineer / Managing Consultant

Hiring Organisation
83zero Limited
Location
City of 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 Full Stack Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £700 per day
permanent Key Responsibilities Yourresponsibilitieswillinclude, but not limited to: 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. Implement authentication ...

Senior Full Stack Developer

Hiring Organisation
Glite Tech
Location
City of London, London, United Kingdom
scalable mobile APIs (REST, HTTPS, etc.). Good principles of security management (secrets, protocols, etc.). Experience with some Python web frameworks (Django, Flask, FastAPI, etc.). Desirable Skills 👌 Can speak, or learning to speak, more than one language Experience with real-time databases. Experience with in-memory databases. Experience ...

Python Developer

Hiring Organisation
VANLOQ LIMITED
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract, Work From Home
Kubernetes Administer Kubernetes resources including Pods, Services, Ingress, Secrets, and CRDs Required Skills & Experience Strong hands-on experience developing APIs in Python, using FastAPI Excellent problem-solving, debugging, and analytical skills Experience working with containerised applications and cloud-native environments Solid understanding of automation and scalable system design Nice ...

Founding Engineer

Hiring Organisation
Squirrel
Location
City of London, London, United Kingdom
uncertainty environments Excellent communication and collaboration skills Demonstrated curiosity and drive to learn through experimentation Preferred: Familiarity with tech stack: Next.js, React, TypeScript, Python, FastAPI, Postgres, Redis Experience with cloud infrastructure (AWS, GCP) Exposure to or experience with foundation models or Generative AI (LLMs, RAG, fine-tuning, agents, evals ...

Lead Software Engineer

Hiring Organisation
iDPP
Location
Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
capabilities , including: Large Language Models (LLMs) Retrieval-Augmented Generation (RAG) AI agents and orchestration workflows Designing and maintaining backend services and APIs (primarily Python, FastAPI/Flask) Building and scaling data pipelines and search systems using: ElasticSearch, Weaviate, Pinecone, and other vector databases Engineering secure, containerised architectures using Docker ...

Agentic AI Engineer – Microsoft Ecosystem

Hiring Organisation
Avanade
Location
England, United Kingdom
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 Software Engineer

Hiring Organisation
ECM Selection (Holdings) Limited
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
site full-time. Benefits include private medical insurance, a generous pension scheme and annual bonuses. Keywords: Software Design, Software Architecture, System Engineering Lifecycle, Python, FastAPI, Flask, Django, JavaScript, TypeScript, React, React-Native, Angular, Java, C#, C++, Cloud, GCP, Azure, AWS, IoT, Virtualisation, Containerisation, Control Systems, Automation, Orchestration Another ...

Lead AI Engineer

Hiring Organisation
Opto Talent
Location
London Area, United Kingdom
related field. 7+ years of hands-on software engineering experience, ideally in AI, SaaS, or automation platforms. Deep expertise in Python; familiarity with FastAPI, Flask, or Django. Experience with cloud infrastructure, Kubernetes, and microservices-based systems. Familiarity with development methodologies, Git, and CI/CD workflows. Demonstrated ability to lead ...

AI Engineer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Python libraries: langchain, langGraph, promptflow, semantic kernel, Autogen, graphRag, promptflow Good software engineering background, (developing application, API, frontend integration, security best practices, experience with fastAPI, Asyncio is a plus). Strong experience with Gen AI model deployment and monitoring (CI/CD, Weight&Biases GitHub pipelines is a plus). ...

Lead Python Developer

Hiring Organisation
Hireful
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
revamp the future of technology in education. Happy to speak to all Senior Python Developers, as long as you have worked with flask or FastAPI, have led or mentored a team and are keen to learn and use new technologies Fancy taking ownership over building scalable Python applications, driving Agile ...

Python Developer

Hiring Organisation
Total Recruitment Group
Location
North West London, London, United Kingdom
Employment Type
Permanent
event-driven workflows Setting engineering standards and best practices from day one What Were Looking For 4+ years backend engineering experience Strong Python experience (FastAPI, Flask, or Django) Previous experience in startups or high-growth environments Comfort working with ambiguity, speed, and limited structure Strong database knowledge (PostgreSQL, Redis) Experience ...

Python Developer

Hiring Organisation
Arrows
Location
City of London, London, United Kingdom
with Product and cross-functional domain experts Continuously improve performance, quality and developer experience What We’re Looking For Strong Python (Flask moving to FastAPI with Typing) backend experience Proven experience building APIs within service-oriented architectures Solid SQL knowledge PostgreSQL AWS (Lambda, ECS) Docker Strong system design and data ...

Senior Software Engineer

Hiring Organisation
Tria Recruitment
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
Salary
£75,000
have the freedom to experiment, innovate, and make a direct impact. The Tech You'll Use: Their backend is predominately Python (Django & FastAPI) with JavaScript front end (bonus points if you're a Vue pro!), you'll be pulling from a SQL Database and predominately Docker K8's DevOps ...

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 ...

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 ...

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 ...

Senior Python Software Engineer - 12-Month Contract | Hybrid (UK) | Inside IR35 £600-£850 per day

Hiring Organisation
Templeton & Partners - Innovative & Inclusive Hiring Solutions
Location
London Area, United Kingdom
working within Agile environments Familiarity with Terraform (IaC) Strong understanding of unit testing , ideally with PyTest Optional but Beneficial HTML/CSS React TypeScript FastAPI framework Apply Now If you're interested in this 12-month Inside IR35 contract, apply today for more information - interviews are happening immediately. ...

Data Engineer

Hiring Organisation
Certain Advantage
Location
South East London, London, United Kingdom
Employment Type
Contract
design patterns Experience with Agile processes Experience with Terraform Experience with Unit Testing Preferably PyTest Optional, but recommended skills: HTML/CSS React Typescript FastAPI framework Does this sound like your next career move? Apply today! Working with Certain Advantage We go the extra mile to find the best people ...

Junior Python Engineer

Hiring Organisation
Verisk
Location
Bath, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 per annum
Agile software development practices Good understanding of git and working collaboratively on team-level code base Experienced in developing performant APIs using Python frameworks (FastAPI, Django, Flask) Good level of experience in SQL and database interaction Familiar with asynchronous processing and message queues A good understanding and working knowledge ...

Software Engineer

Hiring Organisation
Wave Talent
Location
London Area, United Kingdom
designing systems mentoring others and shaping technical direction while still staying hands on with code. Tech wise the environment is heavily Python led with FastAPI and Flask strong typing PostgreSQL at the core and AWS serverless across the platform. Plenty of greenfield thinking around developer experience automation and scalable architecture. ...

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 ...