13 of 13 Contract FastAPI Jobs in the UK

Full Stack Developer

Hiring Organisation
Gold Group
Location
Exeter, Devon, United Kingdom
Employment Type
Contract
Responsibilities Develop responsive, accessible, and high-quality interfaces using Next.js, React, and TypeScript. Build and manage back-end services and APIs using Python and FastAPI/Flask. Experience developing APIs based on modern indexes such as Elasticsearch. Collaborate with design and product teams to create intuitive user experiences. Participate ...

Site Reliability Engineer (SRE) / Platform Engineer

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Strong knowledge of Kubernetes and container orchestration technologies. Commercial experience developing with Python . Experience building and supporting backend services and APIs, ideally using FastAPI . Strong knowledge of Terraform and Infrastructure as Code principles. Experience designing highly available, resilient, and secure cloud environments. Strong troubleshooting and incident management skills ...

Python Developer

Hiring Organisation
NEEV LIMITED
Location
London, United Kingdom
Employment Type
Contract
building scalable, data-driven Note: Investment banking exp is required. 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 ...

Agentic AI Software Engineer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
generation AI platforms, cloud native infrastructure, and intelligent agent based applications that support cutting edge scientific research. Key Skills & Experience Strong Python development experience FastAPI and backend API development Cloud platforms (GCP and/or Azure) Kubernetes, Docker, and cloud-native architectures CI/CD, Infrastructure as Code, and DevOps ...

Python Engineer / Data Modeller

Hiring Organisation
Xcede
Location
Glasgow Area, Scotland, United Kingdom
Employment Type
Contract
maintainability. Required Skills and Experience Strong Python development skills with a minimum of ten years' professional experience, including practical delivery using Pydantic and FastAPI for data modelling, validation, schema design and API development, alongside JSON, YAML, REST APIs and SQL. Strong hands-on experience with Collibra, including asset model ...

Senior Product Engineer, £700/day (Outside IR35)

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£600 - 700 per day
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 In return they're offering an initial 6-month contract outside IR35 paying up to £700/day. ...

Python Developer

Hiring Organisation
Response Informatics
Location
London, United Kingdom
Employment Type
Contract
This role requires deep knowledge of financial systems, regulatory compliance, and secure data processing. Key Responsibilities: . Backend Design and deploy scalable APIs using FastAPI, Flask, or Django . Build automated pipelines to process large financial datasets . Optimize database queries for Oracle, or MongoDB . Create responsive web applications ...

Senior Backend Developer (Python) - Remote

Hiring Organisation
IO
Location
Bristol, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 45 - 50 Hourly
engineers and software developers to deliver robust, production-grade solutions. What you'll be doing Design and develop scalable backend services using Python and FastAPI Build RESTful APIs and microservices Develop data pipelines supporting large-scale analytics platforms Work with Neo4j graph databases and relational databases such as PostgreSQL … deployments and cloud-native development Troubleshoot performance issues and contribute to architectural decisions Essential Skills & Experience Strong commercial experience with Python Production experience with FastAPI Solid understanding of REST APIs and microservice architectures Experience applying Domain-Driven Design (DDD) Strong SQL skills with PostgreSQL and/or SQL Server Hands ...

AI Engineer - LLM & Agentic Systems

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £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 ...

Senior Software Back End Developer - FTC [UK]

Hiring Organisation
Spyrosoft Ltd
Location
United Kingdom
Employment Type
Contract
Contract Rate
£70,000
Role Senior Software Back End Developer FTC - 6 Months Manager Lead Development Manager Location UK Remote (must live in UK) Role Overview We are looking for an experienced Senior Back-End Developer to join an ...

Python Developer

Hiring Organisation
Queen Square Recruitment Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£420/day
Python Developer Location: London or Ipswich - Office based Start Date : ASAP Contract Rate: £420 per day inside IR35 Duration: 12 months initially Role Overview Our client is seeking a Python Developer to develop and maintain ...

Software Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£750 - £830 per day
Software Engineer x2 Rate - £750 - £830 Location - London 2/3 days on site Until end of July 2027 About the Role To strengthen our AI for Science (AI4S) team, we are looking for Software ...

Investment Platform Engineer (Full Stack)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £800 per day
associated data services. Build and maintain full-stack applications using Python and modern web technologies. Develop APIs and backend services using frameworks such as FastAPI, Flask, or Django. Create and support front-end applications using React and JavaScript. Monitor application performance, troubleshoot issues, and ensure platform stability. Perform data analysis … data and services into business applications. Strong SQL and data analysis capabilities. Experience developing and supporting web applications using React and JavaScript. Experience with FastAPI, Flask, Django, or similar frameworks. Understanding of software development best practices, version control, and code optimisation. Experience working with investment data including positions, securities, pricing ...