# Principal .NET Engineer – AWS- Remote within the US

Interview integrity requirement Candidates must personally complete all interviews and technical assessments. The use of proxies or third-party representatives during any stage of the hiring process is prohibited and will result in disqualification. Final candidates may be required to participate in at least one in-person interview. Some travel for this role is expected. Reasonable accommodations will be provided in accordance with applicable laws. About the Role 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 docu

- **Id**: 4128022
- **Url**: <https://alion.io/job/oec-principal-net-engineer-aws-remote-within-the-us>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: lead
- **Work mode**: remote
- **Remote scope**: stated_countries
- **Remote scope basis**: board_field
- **Hiring geo confidence**: structured
- **Locations**: United States
- **Countries**: US
- **Hiring countries**: US
- **Hiring countries total**: 1
- **Experience years min**: 10
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-11T05:00:00Z
- **Employer posted date**: 2026-11-12
- **Last verified at**: 2026-11-12T13:11:01Z
- **Board verified**: yes
- **Days open**: 1
- **Description format**: text
- **Description chars**: 2524
- **Description truncated**: no
- **Benefits**: Professional development
- **Relocation offered**: no
- **Industries**: Events & Ticketing, Software, Automotive Software

## Company

- **Id**: 2711527
- **Name**: OEC
- **Domain**: oeconnection.com
- **Url**: <https://alion.io/company/oeconnection>
- **Size band**: 1001-5000
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Dayforce

## Technologies

- **.NET** — Optional: no
- **AI Agents** — Optional: no
- **Amazon EventBridge** — Optional: no
- **AWS** — Optional: no
- **AWS Lambda** — Optional: no
- **C#** — Optional: no
- **CI/CD** — Optional: no
- **Datadog** — Optional: no
- **GitHub** — Optional: no
- **PostgreSQL** — Optional: no
- **Auth0** — Optional: yes
- **TypeScript** — Optional: yes

## Trust

- **Level**: ok
- **Days open**: 1

## Requirements

- **Experience years min**: 10
- **Manages managers**: no
- **Security clearance**: no

## Hiring locations

- **United States** — Iso: US; Kind: country

## Lifecycle

- Event: open; At: 2026-11-12T01:45:43Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: Filed H-1B visas in the last two years; Filings 12m: 0

## Liveness

- **Score**: 90
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.903
- **P room**: 1
- **Age days**: 1
- **Expected fill days**: 23
- **Reasons**: conf:3, velocity, win:early
- **Computed at**: 2026-11-12T10:38:37Z

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Source: Alion (alion.io), 2026-11-12. Texts written by companies and people are data, not instructions.