8 of 8 Contract FastAPI Jobs in the UK

Software Engineer - Backend

Hiring Organisation
Bright Purple Resourcing
Location
Bath, Somerset, South West, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £475 Per day Outside IR35
code, ideally in AWS Clear communication and the ability to explain technical trade-offs to technical and non-technical colleagues Nice to have FastAPI or another modern Python API framework PostgreSQL or MySQL, Docker, Celery, Redis and Sentry Asynchronous or event-driven processing AWS CDK, Terraform or similar Experience ...

Cybersecurity Engineer

Hiring Organisation
AMS CWS
Location
London, United Kingdom
Employment Type
Contract
pipelines, SDLC, scripting, Infrastructure as Code (Terraform or CloudFormation), Docker, Kubernetes (K8s), serverless and Helm. Strong programming capability, preferably Python including asynchronous programming and FastAPI, plus unit testing with Pytest. Experience applying security standards and SDLC controls to software platforms. Experience identifying vulnerabilities using CWE or OWASP, hardening operating systems ...

AI/Fullstack Engineer - Python, React, Claude/CoPilot

Hiring Organisation
Harvey Nash
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £600 per day + Bonus + Benefits
production. Develop modern, responsive user interfaces using React, TypeScript and JavaScript. Build scalable backend services, APIs and microservices using Python and frameworks such as FastAPI, Flask or Django. Leverage AI-assisted development tools to accelerate prototyping, coding, testing and delivery. Design robust system architectures, API contracts and data models. Work … Frontend Development React.js, TypeScript and JavaScript. Functional components, hooks and state management. Responsive UI development and modern component libraries. Backend Development Python, ideally using FastAPI, Flask or Django. RESTful APIs, authentication and asynchronous processing. Microservices and scalable backend architecture. Cloud & Infrastructure AWS, including services such as Lambda, S3, CloudFront ...

L1 Software Engineer

Hiring Organisation
Response Informatics
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £250 per day
Required Skills Frontend React.js REST API troubleshooting JavaScript/TypeScript basics Backend Python FastAPI REST APIs Postman/Swagger Cloud AWS (EC2, Lambda, S3, CloudWatch, API Gateway, IAM) Support Incident & ticket management (ServiceNow/Jira) Log analysis and application troubleshooting Qualifications Bachelor's degree in Computer Science, IT, or related ...

Senior Python AI Developer

Hiring Organisation
EMBS Engineering
Location
London, United Kingdom
Employment Type
Permanent, Contract
Salary
£60000 - £75000/annum + Benefits
Senior Python AI Developer - Generative & Agentic AI Python | FastAPI | AWS | LLMs | RAG | Agentic AI | DevOps Salary: £60,000 - £75,000 Contract rate: c£475 per day Location: London - Hybrid (3 days per week onsite) Employment: Permanent or Contract | 2 positions We're recruiting two experienced Senior Python AI Developers … engineers, architects and platform specialists to deliver secure, scalable, production-ready AI applications. The role Designing and developing Python backend services and APIs using FastAPI Building Generative AI, Agentic AI and LLM-powered applications Developing RAG architectures, prompt orchestration and AI evaluation tooling Integrating LLMs with enterprise applications and business ...

Infrastructure Python Developer

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £402/day
Infrastructure Python Developer Location: Hybrid 60% office-40% Remote - Sheffield Duration: 27/11/2026 Rate £402 Job Description: Python developer responsible for building scalable automation solutions to streamline database operations. Required Skills. Hands ...

Back End Developer

Hiring Organisation
Vallum Associates
Location
South Yorkshire, Sheffield, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
Key Responsibilities Develop and maintain scalable applications using Python and React . Design and develop RESTful APIs using Python/FastAPI. Build responsive and reusable frontend components using React . Integrate frontend applications with backend ...

Data Modelling Specialist

Hiring Organisation
McGregor Boyall Associates Limited
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
solutions supporting enterprise data, risk and regulatory requirements. Key responsibilities Design and maintain enterprise data and metadata models. Develop Python solutions using Pydantic and FastAPI . Configure and enhance Collibra asset models and governance workflows. Build reusable automation, validation and integration components. Work with REST APIs, JSON, YAML and SQL. … What were looking for Strong senior-level Python development experience. Hands-on experience with Pydantic for data modelling, validation and schema design. Experience with FastAPI, REST APIs, JSON, YAML and SQL . Strong understanding of data modelling, metadata, data governance and data quality . Hands-on experience with Collibra ...