Senior Software Engineer (.NET / AWS / DOCKER)
Leeds, Manchester or Bruntingthorpe (Hybrid X2 A Week)
Help Transform a Business Processing 200,000+ Vehicles Every Year
Manheim Vehicle Services (MVS), part of Cox Automotive Europe, is on an ambitious engineering transformation journey.
We’re modernising a large-scale legacy .NET platform into a cloud-native ecosystem built on AWS, modern .NET, event-driven architecture and AI-enabled engineering practices. Our systems support one of the UK’s largest vehicle preparation and storage operations, processing more than 200,000 vehicles annually for manufacturers, finance providers and rental businesses.
As a Senior Software Engineer, you’ll play a key role in shaping the future of our technology platform while helping define how modern software engineering and AI-assisted development are applied across the business.
What You’ll Be Doing
You’ll work within a collaborative engineering team to:
- Design, build and deploy scalable applications using modern .NET technologies.
- Help migrate a legacy .NET Framework monolith into AWS-native services and microservices.
- Develop robust APIs and event-driven solutions.
- Contribute to architectural discussions and technical decision-making.
- Champion engineering excellence through automated testing, CI/CD and modern development practices.
- Leverage AI-assisted development tools to improve delivery speed, quality and consistency.
- Take ownership from design through to production support and continuous improvement.
You’ll have the opportunity to work with:
What We’re Looking For
- Strong commercial experience with .NET / .NET Core & Docker
- Experience building applications in cloud environments (AWS preferred)
- Knowledge of Infrastructure as Code (Terraform or similar)
- A passion for clean code, testing and engineering best practice
- Experience with APIs, distributed systems and event-driven architectures
- An understanding of CI/CD, Agile delivery, BDD and/or TDD
- The ability to balance technical quality with pragmatic delivery outcomes (
Why Join Us?
This is more than another Senior Developer role.
You’ll be joining a team at a pivotal moment, helping modernise a business-critical platform while influencing engineering practices, cloud adoption and the use of AI within software delivery. You’ll work on meaningful challenges, collaborate with talented engineers and have a genuine opportunity to shape the future direction of our technology landscape.
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