51 to 75 of 90 FastAPI Jobs in the UK

Lead ML Engineer - 12 Month FTC

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
production model monitoring. Exeperience with stakeholders and translating business problems into technical solutions. Experience building or integrating APIs, such as with FastAPI, is beneficial. BENEFITS The successful Lead ML Engineer will receive the following benefits: Salary between £80,000 - £90,000 - depending on experience HOW TO APPLY Please register your ...

Lead ML Engineer - 12 Month FTC

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
production model monitoring. Exeperience with stakeholders and translating business problems into technical solutions. Experience building or integrating APIs, such as with FastAPI, is beneficial. BENEFITS The successful Lead ML Engineer will receive the following benefits: Salary between £80,000 - £90,000 - depending on experience HOW TO APPLY Please register your ...

Lead ML Engineer - 12 Month FTC

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
production model monitoring. Exeperience with stakeholders and translating business problems into technical solutions. Experience building or integrating APIs, such as with FastAPI, is beneficial. BENEFITS The successful Lead ML Engineer will receive the following benefits: Salary between £80,000 - £90,000 - depending on experience HOW TO APPLY Please register your ...

Artificial Intelligence Engineer

Hiring Organisation
Loop Recruitment
Location
Manchester Area, United Kingdom
Collaborating closely with product and business stakeholders Mentoring and supporting more junior engineers What We’re Looking For Strong Python engineering background Experience with FastAPI, Celery and Postgres Hands-on experience with vector databases and graph databases Experience building RAG-based systems Experience with agentic/orchestration frameworks (e.g. LangChain ...

Artificial Intelligence Engineer

Hiring Organisation
Omnis Partners
Location
City of London, London, United Kingdom
safety, reliability) Shipping AI-driven products used in real-world enterprise settings Alongside this, you’ll stay close to the engineering fundamentals — Python backend (FastAPI/Django), infrastructure, and production deployment. Why people join environments like this: ✅ High talent bar across the team ✅ Direct access to founders and decision-makers ...

Software Engineering Manager

Hiring Organisation
Ethiq
Location
City of London, London, United Kingdom
retention, and partner with the founders on what the team builds and why. High ownership, high intensity, fast. The stack is Python and FastAPI on the backend, React and TypeScript on the frontend, Postgres, ElasticSearch and vector databases for data, and LLMs, agents and RAG across the AI layer. What ...

AI Engineer Summer Internship 2026

Hiring Organisation
LEC AI
Location
London, England, United Kingdom
digital twins, agentic operations, and intelligent automation across real operational environments • Proof of concept builds for new companies launching inside the group STACK Python, FastAPI, React, Postgres with pgvector, Neo4j, Redis, MinIO, Claude, MCP, OpenRouter, Ollama, multi-agent orchestration, RAG pipelines, vector search, Docker WHO WE ARE LOOKING FOR • Undergraduate ...

Full Stack Engineer

Hiring Organisation
SR2
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £95000/annum
through strong technical practice and communication Making pragmatic engineering decisions without overengineering everything into oblivion Tech stack: Frontend: Vue.js/TypeScript Backend: Python/FastAPI Cloud & Infrastructure: AWS/Azure, Terraform, GitHub Actions They are absolutely open to engineers from adjacent stacks. Strong product engineers are being considered if they ...

AI Engineer - LLM & Agentic Systems

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day, Negotiable
problems. Owning delivery end-to-end - from initial exploration through to production deployment, integration and ongoing iteration. Working with MCP-style architectures (FastMCP/FastAPI) and LangChain/LangGraph or equivalent frameworks to build reliable, scalable systems. Integrating AI into products, APIs and core business workflows - with a sharp ...

Co-Founder CTO

Hiring Organisation
Rekall Consulting
Location
United Kingdom
Strong on CI/CD, observability, and deployment discipline — you have shipped to production under pressure and built accordingly The tech stack Python/FastAPI, AWS (Fargate, S3, ElastiCache, SES), MongoDB Atlas, Qdrant (vector DB), Redis, and Cloudflare. You will assess what is here and decide what comes next. Full ...

Lead Python Developer

Hiring Organisation
Total Recruitment Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
Lead Python Developer Climate Tech London (Hybrid, 3 days per week) Python, FastAPI, PostgreSQL, GCP, Docker I'm working with a fast-growing climate-tech non-profit tackling one of the most important infrastructure challenges in the energy transition. Backed by some of the biggest names in climate philanthropy, this ...

Python Developer

Hiring Organisation
RJC Group
Location
City of London, London, United Kingdom
change lifecycle to gather feedback and ensure successful delivery Key Requirements : Demonstrated commercial experience in Python development Experience developing Web APIs using Flask, FastAPI, Streamlit, or other leading Python frameworks Experience in Azure Cloud environments (AKS) Experience with streaming data (kafka, Azure Service Bus) This London based role offers ...

Python Engineering Lead / Founding Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £95000/annum
Engineering Lead | Software Manager | Founding Engineer Python - Agentic AI - FastAPI - CI/CD Fully Remote (UK/Europe) A small and talented team of talented engineers & data scientists are quietly building something interesting. Well-backed and operating in the AI engineering space, they partner with PE backed businesses to solve ...

Lead AI Engineer - Remote

Hiring Organisation
Exposed Solutions
Location
W1A, Tottenham Court Road, Greater London, Fitzrovia, United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum
pipelines on Azure, while ensuring scalability, reproducibility, and monitoring of deployed models. Requirements • Strong, current Python, including building and maintaining production services with FastAPI or similar. • Solid machine learning and computer vision background, with real models shipped to production rather than only notebooks and prototypes. • Hands-on experience with ...

Python Developer

Hiring Organisation
Gazelle Global
Location
Wokingham, England, United Kingdom
structure design .Build scalable algorithms and write clean, maintainable, and well‐structured code .Develop and maintain RESTful APIs using OpenAPI/Swagger, Connexion, or FastAPI .Work with Python web frameworks such as Flask, Django, FastAPI, and Jinja2 .Data, Analytics & Database sPerform data manipulation and analysis using tools like Pandas ...

AI Scientists

Hiring Organisation
Efestos Hub
Location
United Kingdom
similar models • Experience with data annotation tools such as CVAT, Label Studio or Roboflow • Experience with MLOps, experiment tracking or model deployment • Familiarity with FastAPI, Docker, cloud/GPU environments or model APIs • Experience in engineering, construction, materials, manufacturing, inspection or robotics • Interest in sustainability, circular economy and low-carbon … with Git, clean coding practices and documentation • Ability to work with AI/ML engineers and integrate model outputs into applications Desirable: • Experience with FastAPI, Flask or Django • Experience with Docker and cloud deployment • Experience with AWS, Azure, Google Cloud or similar platforms • Experience handling images, files and structured metadata ...

Senior ML Platform Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £700 per day
real systems. Experience building or supporting high-throughput data pipelines and distributed or scalable infrastructure. Hands-on experience with web backends such as FastAPI and pragmatic frontend development using vanilla JavaScript. Confidence designing developer-friendly CLIs and operator tooling that are reliable and hard to misuse. Experience with containerisation ...

Senior Data Engineer (GCP/Platform)

Hiring Organisation
ADLIB Recruitment | B Corp™
Location
City of London, London, United Kingdom
working cross-functionally Comfortable working in a start-up or scaling environment is a bonus Bonus points if you’ve worked with React, FastAPI, or in scientific or energy domains What you’ll get in return The role offers a salary of up to £100,000 DOE, alongside equity ...

Principal Technical Lead

Hiring Organisation
RSSB
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
RSSB are now seeking an experienced Principal Technical Lead to drive the hands-on technical delivery of a new greenfield industry services platform. This is an exciting delivery-focused role for a senior engineer who ...

Senior Backend Engineer - Healthtech AI Python AWS

Hiring Organisation
Santa Monica Talent
Location
Greater Bristol Area, United Kingdom
infrastructure work and code review, while keeping clear human accountability for correctness, security and reliability. Role Design and build backend services in Python and FastAPI: API endpoints, service logic, validation, business workflows and data access patterns Ensure APIs are documented through OpenAPI/Swagger and are easy for frontend developers … build, test, security scanning, deployment and rollback Implement logging, metrics, tracing and alerting using tools such as CloudWatch and X-Ray Experience Python, with FastAPI or an equivalent modern async API framework Strong REST API design, OpenAPI/Swagger and service-based architecture PostgreSQL: SQL, schema design, migrations and query ...

Artificial Intelligence Engineering Manager

Hiring Organisation
MBN Solutions
Location
London Area, United Kingdom
select AI technologies (open-source and commercial) and define enterprise deployment patterns Lead design of API-based AI services and scalable backend systems (e.g. FastAPI) Ensure robust integration of AI systems into complex banking and capital markets environments Establish and govern evaluation frameworks for AI and agent-based systems Oversee … experience building and scaling agentic AI systems Strong experience with AI system design, architecture, and distributed systems Expertise in API-based backend development (e.g. FastAPI or similar) Experience with vector databases (e.g. Pinecone, Chroma) Experience with agent frameworks (e.g. LangChain, LangGraph, or similar) Strong understanding of evaluation frameworks ...

Software Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
engineer bridging the gap between research breakthroughs and production-ready capabilities to generate tangible business value. Build Robust Infrastructure: Develop enterprise-scale APIs (FastAPI) and architect comprehensive cloud-based AI infrastructure on AWS/Azure optimized for scalability and performance. Demonstrate Full-Stack Excellence: Apply your expertise across the entire … applications using LangChain and LangGraph (agent architecture design, state management, and graph-based workflow orchestration). ML & Cloud Ecosystems: Solid understanding of ML algorithms, FastAPI, PyTorch/TensorFlow, MLflow, MLOps practices, containerization (Docker, Kubernetes/AWS EKS), and cloud services (AWS Bedrock, SageMaker, Azure AI Search). Soft Skills: Excellent ...

GenAI Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
engineer bridging the gap between research breakthroughs and production-ready capabilities to generate tangible business value. Build Robust Infrastructure: Develop enterprise-scale APIs (FastAPI) and architect comprehensive cloud-based AI infrastructure on AWS/Azure optimized for scalability and performance. Demonstrate Full-Stack Excellence: Apply your expertise across the entire … applications using LangChain and LangGraph (agent architecture design, state management, and graph-based workflow orchestration). ML & Cloud Ecosystems: Solid understanding of ML algorithms, FastAPI, PyTorch/TensorFlow, MLflow, MLOps practices, containerization (Docker, Kubernetes/AWS EKS), and cloud services (AWS Bedrock, SageMaker, Azure AI Search). Soft Skills: Excellent ...

Backend Software Engineer Python FastAPI SQL

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
Backend Software Engineer/Developer (Python FastAPI SQL Databricks) London to £95k Are you a data centric Backend Software Engineer with strong Python, SQL and FastAPI skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses … loan Employee Assistance Programme Impactful role with great career progression Apply now to find out more about this Backend Software Engineer/Developer (Python FastAPI Databricks Azure) opportunity. ...

Ai Engineer

Hiring Organisation
Morgan McKinley
Location
Yorkshire and Humberside, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Senior AI Developer - Generative & Agentic AI We are partnering with a global technology consultancy delivering next-generation engineering solutions across digital transformation, cloud, automation, integration, low-code, and AI application development. With an international presence ...