[Hiring] Principal .NET Engineer @OEC

Role Description

When an OEM can't fill a backordered part, a vehicle sits off the road. Our Backorder Fulfillment product finds that part across the dealer network and automates purchase, payment, shipping and tracking. We're launching with a major global OEM in Europe and expanding next year.

We're unifying our supply chain applications on one cloud-native platform, and you'll help build it from the first commit. Your patterns and code will shape it for years.

What You'll Do

• Build and ship features end to end in .NET, PostgreSQL and AWS serverless (Lambda, EventBridge, SQS)
• Own the design of complex capabilities like multi-market OEM support and payments
• Keep the architecture healthy with clear module boundaries, reliable events and documented decisions
• Lead production readiness: Datadog observability, incident response and root-cause analysis
• Make AI agents central to how the team plans, builds, tests and reviews
• Raise the bar through TDD, thoughtful code review and mentoring

Qualifications

• 10+ years shipping production software, including 3+ at staff, principal or tech-lead scope
• Deep modern .NET/C# expertise: DDD, modular monoliths, CQRS and EF Core with PostgreSQL
• Production experience with AWS serverless and event-driven architecture
• A daily AI-first workflow and ownership of every line AI helps you write
• Strong testing discipline and GitHub-based CI/CD
• Clear written communication, team-first mindset
• CS or related degree, or equivalent experience

Bonus Points

• React/TypeScript micro-frontends
• Auth0/OIDC
• Stripe
• Data platforms
• Legacy modernization
• Automotive/supply chain experience

Benefits

• Full benefits starting Day 1: Medical, Dental, and Vision
• 401(k) with company match
• Unlimited Flex Time Off plus 10 company-paid holidays
• Remote-first role with monthly communication stipend
• Professional development programs and tuition assistance
• Employee resource groups and exclusive employee discounts

The Details

Remote (US), standard business hours with occasional flexibility for releases or incidents. Camera-on virtual meetings.