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Sr. Software Engineer (C# .NET)

  • United States
  • Remote
  • Posted Oct 12, 2026
  • 1 position

US$112,000–US$155,000 / year

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Employment type
Full-time
Experience level
Senior · 5+ years
Minimum education
Bachelor’s degree
Posting language
English
Working hours
40 hours per week

Job summary

You will be responsible for constructing and maintaining high-value core system components while leading technical discussions on software architecture and testing. The role involves collaborating with cross-functional teams to enhance core offerings and ensure high performance and quality standards.

Job details

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 innovation company accelerating the future of wholesale remarketing through curiosity, collaboration, and an entrepreneurial spirit. Our Values: Driven Waybuilders. 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. Location: Remote-North America (EST preferred) We’re Looking For: We are seeking a Sr. Software Engineer with experience in building scalable, cloud-native APIs with .NET, preferably Core / Java / Kotlin. You will be part of an Enterprise Technology Services team responsible for constructing and maintaining high-value core system components. You will be involved in the continuous improvement of core offerings, leading technical discussions on software architecture and testing, and collaborating with cross-functional teams. In this role, you will have the opportunity to use your experience in application development, front-end JavaScript frameworks, telemetry, and performance tuning. The ideal candidate will have 5+ years of experience in relevant areas. You Are: Detail-oriented. You will ensure the quality of the product through code reviews and a high level of unit and functional test coverage. Relentlessly Curious. You are constantly learning and seeking ways to improve yourself and the processes around you. Supportive. You enjoy mentoring and supporting other team members by conducting code reviews and applying your experience in process and technical leadership. Confident. You not only love to code, but you're also excellent at it! You Will: Continuously work on enhancing core offerings. Lead technical discussions on software architecture and testing to ensure that we do not compromise on quality and performance. Collaborate with cross-functional teams to construct and maintain high-value core system components, leveraging multiple technology stacks. Core Tech Stack: .NET Core PostgreSQL Kubernetes in AWS OpenTelemetry Must Have’s: 5+ Years of experience building scalable, cloud-native APIs with .NET University degree or advanced diploma in a software engineering-related discipline, preferably in Computer Science, or equivalent experience. Experience with telemetry and performance tuning leveraging modern APM tooling. A strong understanding of application development, including development and testing methodologies. Nice to Have’s: Experience with Amazon Web Services (AWS). Experience with Kubernetes and OpenTelemetry Experience building cloud-native APIs with Java Experience with Azure Cloud Services What We Offer: Competitive pay Medical, dental, and vision benefits with employer HSA contributions (US) and FSA options (US) Immediately vested 401K (US) or RRSP (Canada) with company match Paid Vacation, Personal, and Sick Time Paid maternity and paternity leave (US) Employer-paid short-term disability, long-term disability, life insurance, and AD&D (US) Robust Employee Assistance Program Employer paid Leap into Service Day to volunteer Tuition Reimbursement for eligible programs Opportunities to expand your skill set and share your knowledge across a publicly traded, global organization Company culture of internal promotions, diverse career paths, and meaningful advancement Sound like a match? Apply Now - We can't wait to hear from you! Compensation Range of Annual Salary: $112,000.00 - $155,000.00 (Depending on experience, skill set, qualifications, and other relevant factors.)

What you’ll do

You will be responsible for constructing and maintaining high-value core system components while leading technical discussions on software architecture and testing. The role involves collaborating with cross-functional teams to enhance core offerings and ensure high performance and quality standards.

Requirements

Candidates must have 5+ years of experience building scalable, cloud-native APIs using .NET and possess a strong understanding of application development methodologies. A university degree or advanced diploma in a software engineering-related discipline is required.

Benefits

  • Medical insurance
  • Dental insurance
  • Vision insurance
  • HSA contributions
  • FSA options
  • 401K
  • RRSP
  • Paid vacation
  • Paid personal time
  • Paid sick time
  • Paid maternity leave
  • Paid paternity leave
  • Short-term disability
  • Long-term disability
  • Life insurance
  • AD&D
  • Employee assistance program
  • Tuition reimbursement

Listed skills

  • Kubernetes · Preferred
  • PostgreSQL · Preferred
  • JavaScript · Preferred
  • Amazon Web Services · Preferred
  • C++ · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • C#
  • .NET Core
  • API development
  • Cloud-native architecture
  • PostgreSQL
  • Kubernetes
  • AWS
  • OpenTelemetry
  • JavaScript
  • Telemetry
  • Performance tuning
  • Unit testing
  • Functional testing
  • Software architecture
  • Code reviews
  • Technical leadership
  • Cloud-Native Computing
  • Curiosity
  • Technical Leadership
  • Azure Cloud Services
  • Java (Programming Language)
  • .NET Framework
  • Application Programming Interface (API)
  • Amazon Web Services
  • Application Development
  • Code Review
  • Computer Science
  • Continuous Improvement Process
  • Employee Assistance Programs
  • Functional Testing
  • Scalability
  • Innovation
  • JavaScript Frameworks
  • Mentorship
  • Performance Tuning
  • Software Architecture
  • Software Engineering
  • Tooling
  • Wholesaling
  • Front End (Software Engineering)
  • Kotlin
  • Detail Oriented

Job areas

  • Software
  • Technology
  • Engineering
  • Data & Analytics
  • C# .NET Developer
  • .NET Developer / Engineer
  • Software Developers

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