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Senior .NET Developer

Job in Town of Belgium, Belgium, Ozaukee County, Wisconsin, 53004, USA
Listing for: OpenLane Inc
Full Time, Part Time position
Listed on 2025-12-18
Job specializations:
  • Software Development
    Software Engineer, Backend Developer
Salary/Wage Range or Industry Benchmark: 80000 - 110000 USD Yearly USD 80000.00 110000.00 YEAR
Job Description & How to Apply Below
Location: Town of Belgium

Who We Are

At OPENLANE
, we make wholesale easy so our customers can be more successful. We're a technology company, building the world's most advanced—and uncomplicated—digital marketplace for used vehicles. We're a data company, helping customers buy and sell smarter with clear, actionable insights they can understand and use. And we're an innovative company accelerating the future of wholesale remarketing through curiosity, collaboration, and an entrepreneurial spirit.

OPENLANE offers its customers the best digital marketplace for used cars in Europe. Our B2B clients enjoy operational excellence when working with us.

Our Values
  • Driven Way builders:
    We pursue challenges that inspire us to build, create and innovate.
  • Relentless Curiosity:
    We seek to understand and improve our customers' experience.
  • Smart Risk-Taking:
    We transform risk into progress through data, experience, and intuition.
  • Fearless Ownership:
    We deliver what we promise and learn along the way
What will you do?
  • You will be working on a software system that is the backbone of the OPENLANE Europe organization. The system is handling approximately 100 000 car sales per year, within and across countries, with a variety of regulations and more than 150 partner integrations, while maintaining a unified experience to our buyers.
  • Design, develop, and maintain applications using .NET Core / .NET Framework
    , C#, and related technologies.
  • Experience with domain-oriented and event-driven architecture
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Optimize application performance, scalability, and security.
  • Conduct code reviews, enforce coding standards, and ensure best practices.
  • Integrate applications with databases (SQL Server, Entity Framework) and APIs.
  • Troubleshoot, debug, and resolve complex technical issues.
  • Stay updated with emerging technologies and recommend improvements.
Who are you?
  • You have a bachelor’s degree in IT (or equal by experience)
  • You are a positive team player that likes to work in a motivating international environment
  • You have proven experience of minimum 5 years as a C# .NET developer in a web environment
  • You have excellent communication and technical skills that fit your senior developer background
  • You are knowledgeable about distributed systems, have experience with RESTful web services and web sockets
  • You have proven experience with the following technologies .net 6+, C#, entity framework - mass transit or a similar system, MSSQL, Rabbit

    MQ and experience with react is a plus
  • You have a quality mindset, achieve high levels of code quality standard
  • You are experienced in the Agile way of working (Scrum), and devops (CI/CD, pipelines)
  • You are fluent in English
  • You are open to work 3 days/week at the Tienen office
What's in it for you?

OPENLANE Europe can give your career a boost and offers you a challenging position in a rapidly changing environment. In return for your dedication and added value you receive a competitive salary and extra-legal advantages such as:

  • Competitive salary
  • Yearly bonus plan
  • Opportunity to work in a highly dynamic, international, and innovative environment
  • Hybrid working and flexible hours
  • Comprehensive benefits package depending on the country of employment
Are we the perfect match?
  • Can you fulfill this vital function within our digital marketplace?
  • Are you dedicated and able to communicate within a down-to-earth company where we highly believe in a can-do mentality?

Then GO FOR IT and bring your career to the next level! Send us your CV and motivation letter and become part of the OPENLANE team and contribute to a high performing culture.

OPENLANE is an equal opportunity employer. We embrace and celebrate diversity and are committed to creating an inclusive environment for all employees.

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Position Requirements
10+ Years work experience
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