Senior Software Engineer (MVS)

Modix International; Leeds; On-site; GBP 50,000 - 80,000; Full time

Job summary

Cox Automotive is seeking a Senior Software Engineer to drive the transformation of legacy systems into microservices. This role offers the opportunity to work with modern technologies like .NET 8, AWS, and Docker to enhance the vehicle service experience. Join a collaborative team focused on quality and growth in a supportive environment that values learning and innovation.

Qualifications

• Solid understanding of both SQL & NoSQL databases.
• Experience in TDD, clean code, and continuous delivery.
• Proactive and curious mindset, eager to grow.

Responsibilities

• Transforming legacy systems to microservices.
• Writing clean, tested, maintainable code.
• Collaborating across teams in an agile environment.

Skills

Hands-on experience in .NET

AWS

Infrastructure-as-code (Terraform)

SQL & NoSQL databases

Event-driven systems

TDD

Strong communication and collaboration skills

Proactive mindset

Tools

Docker

GitHub Actions

React

Job description

Location Leeds, Bruntingthorpe or Manchester

This is a Permanent , Full Time vacancy that will close in a month at 23:59 BST .

The Role

Senior Software Engineer

Are you a skilled .NET engineer ready to make a real impact in a high-velocity, high-scale environment?

Join Cox Automotive Europe as a Senior Software Engineer and help us build next-generation digital platforms powering Manheim Vehicle Services — a business that processes over 200,000 vehicles a year for the UK’s leading manufacturers, finance, and rental companies.

We’re not just maintaining legacy systems — we’re transforming. You’ll be at the heart of a major tech shift: moving from .NET Framework monoliths to microservices in .NET 8, AWS, Docker, GraphQL, and Terraform.

Help shape our transition to microservices and event-driven architecture

Write clean, tested, maintainable code with a focus on quality

Collaborate across product, engineering, and DevOps in a high-trust agile team

Mentor teammates, review code, and support knowledge-sharing initiatives

Work with exciting tech: .NET 8, AWS, Docker, DynamoDB, PostgreSQL, GraphQL, React, GitHub Actions

What You Bring:

Hands-on experience in .NET, AWS, and infrastructure-as-code (Terraform)

Solid understanding of both SQL & NoSQL databases and event-driven systems

Experience in TDD, clean code, and continuous delivery

Strong communication and collaboration skills across technical and non-technical teams

A proactive, curious mindset and desire to grow in a fast-moving environment

Ready to build products that drive real-world logistics at scale?

Apply now and help us redefine vehicle services tech.

STRICTLY NO AGENCIES PLEASE

We work with a carefully selected set of recruitment partners and are not looking to add to our PSL.

We do not accept unsolicited CVs sent to the recruitment team or directly to a hiring manager. We will not be responsible for any fees related to unsolicited submissions

Aneliese Platts
Senior Designer

“The people that work here are what sets Cox Automotive apart. We genuinely work as a team, and I feel the same level of support everywhere in the business. Working here is like a family away from home, but most importantly we have fun whilst doing it!”

Ann Fairbanks
Executive PA & Business Support

Ann Fairbanks
Executive PA & Business Support

“I wouldn’t be where I am today without Cox Automotive. The company has real culture of learning, pushing the boundaries and making YOU better. It’s all built on strong values that are more than just words, they’re acted on every single day.”

Gemma Hepple
National Operations Manager

Gemma Hepple
National Operations Manager

“In my nine years here, Cox Automotive has allowed me to learn, grow and hone my skills. There’s a real commitment to inclusion and diversity and today I am proud to be in what was historically perceived to be a ‘man’s’ role.”