Python Developer

Contract Python Developer

Location: Milton Keynes - 5 days onsite per week
Security Clearance: Active SC Clearance required
£530 per day Inside IR35

We're looking for an experienced Python Developer to join a high-performing engineering team delivering secure, scalable, and mission-critical systems. This is an opportunity to work on complex distributed architectures, collaborate with talented cross-functional teams, and contribute to solutions that operate at scale in a highly secure environment.

The Role

As a Python Developer, you will be responsible for designing, developing, testing, and maintaining high-quality software solutions. You'll work across the full software development life cycle, contributing to architecture discussions and ensuring robust, production-ready services.

Key Responsibilities

• Develop, enhance, and maintain Python-based applications and services

• Design and build microservices within distributed system architectures

• Write clean, efficient, reusable, and well-documented code

• Participate in the full SDLC from requirements analysis to deployment and ongoing support

• Build and integrate RESTful APIs and third-party services

• Troubleshoot performance issues and resolve application bottlenecks

• Implement robust testing practices including unit testing and code reviews

• Work with asynchronous processing, messaging systems, and background workers

Essential Technical Skills

• 5+ years' hands-on Python experience building production-grade applications

• 3+ years' commercial Golang experience developing scalable Back End services

• 3+ years' C#/.NET experience delivering enterprise-grade solutions

• Strong experience designing and delivering microservices-based architectures

• Deep understanding of distributed systems, service-to-service communication, and fault tolerance

• Experience building and integrating RESTful APIs across complex systems

• Strong knowledge of asynchronous/thread processing and messaging systems

• Experience with Git-based workflows and CI/CD pipelines

• Understanding of authentication, authorisation, and security best practices

If this role is of interest, please apply to hear more.