About The Position
OEC is hiring a Principal .NET Engineer to help build a cloud-native platform that unifies its supply chain applications. The role focuses on Backorder Fulfillment, a product that locates unavailable automotive parts across dealer networks and automates their purchase, payment, shipping, and tracking. The product is launching with a major global OEM in Europe and is expected to expand next year. The engineer’s patterns and code will help shape the platform from its initial development. The position is remote within the United States, with standard business hours and occasional flexibility for releases or incidents. Virtual meetings are camera-on. Some travel is expected, and final candidates may be required to attend at least one in-person interview. Candidates must personally complete all interviews and technical assessments; proxies or third-party representatives are prohibited.
Requirements
- 10+ years shipping production software, including 3+ years at staff, principal, or tech-lead scope.
- Deep modern .NET/C# expertise, including 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 experience.
- Clear written communication and a team-first mindset.
- Computer science or related degree, or equivalent experience.
Nice To Haves
- Experience with React/TypeScript micro-frontends.
- Experience with Auth0/OIDC.
- Experience with Stripe.
- Experience with data platforms.
- Experience with legacy modernization.
- Automotive or supply chain experience.
Responsibilities
- Build and ship end-to-end features using .NET, PostgreSQL, and AWS serverless services, including Lambda, EventBridge, and SQS.
- Own the design of complex capabilities such as multi-market OEM support and payments.
- Maintain healthy architecture through clear module boundaries, reliable events, and documented decisions.
- Lead production readiness, including Datadog observability, incident response, and root-cause analysis.
- Make AI agents central to the team’s planning, building, testing, and review workflows.
- Promote TDD, thoughtful code review, and mentoring.
Benefits
- Medical, dental, and vision benefits starting on Day 1.
- 401(k) with company match.
- Unlimited Flex Time Off and 10 company-paid holidays.
- Monthly communication stipend for the remote-first role.
- Professional development programs and tuition assistance.
- Employee resource groups and exclusive employee discounts.
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What This Job Offers
Job Type
Full-time
Career Level
Principal
