Senior AWS Software Engineer (Contract) - Identity & Access Management

Software Engineer (Contract) – Python / FastAPI

6 Month Contract - Fully Remote Daily Rate: £500 Outside IR35

Contact: Matthew.Makranczy@forsythbarnes.com

We’re looking for experienced AWS Software Engineer (contractors) to join an established platform engineering team and help take a proof-of-concept Identity & Access Management (IAM) system into production.

This is a hands-on engineering role suited to senior Python developers who enjoy building production systems from the ground up and working independently on application development, while collaborating closely with a wider AWS platform team.

What you’ll be working on

• Building a FastAPI-based headless service to manage REST APIs for user and group IAM relationships in AWS
• Designing and delivering a technical audit service for the IAM system
• Supporting the IAM syncing solution to meet production standards
• Implementing robust QA and testing strategies
• Ensuring non-functional requirements are met (scalability, performance, reliability)
• Contributing strong software engineering skills to complement the existing platform team

Core requirements

• 5+ years of hands-on Python development
• Production experience with FastAPI, Django, or Flask (FastAPI preferred)
• Strong experience building RESTful APIs
• Experience with relational and non-relational databases
• Proven experience building applications from scratch and taking them to production
• Experience supporting production systems handling high traffic

AWS & cloud experience

• 5+ years of AWS (or equivalent cloud) experience
• Strong understanding of distributed systems architecture
• Experience with serverless technologies
• Solid knowledge of asynchronous programming models
• Familiarity with Terraform concepts (writing not required)

DevOps & delivery

• Experience deploying applications via CI/CD pipelines (e.g. GitLab)
• Comfortable taking systems live and maintaining production services