Senior .NET Backend Engineer (Modern Platform)
Niuro · Remote - Chile, Costa Rica, Mexico, Cuba, Colombia, Uruguay, Paraguay, Peru, Venezuela, Ecuador · Remote · Wellfound
This job is restricted to candidates in: Chile, Colombia, Mexico, Peru, Uruguay. City: Costa Rica. Work model: Remote
About the job
At Niuro, we're hiring a Senior .NET Backend Engineer for a US tax-tech company rebuilding its core platform with modern .NET on AWS. Full-time contractor role, 100% remote from Latin America, paid in USD.
What you'll do- Own backend services, business rules and asynchronous workflows
- Design and build distributed services (SQS, Redis, CQRS, PostgreSQL)
- Turn ambiguous tax and business rules into technical solutions, evaluating trade-offs
- Support production during tax season
- Ship with AI coding agents while validating every output
- 8+ years in software, 4+ recent with modern C#/.NET (async/await, DI, background workers)
- EF Core and Dapper
- Messaging, idempotency and retries on AWS
- Hands-on with Claude Code or similar AI coding agents
- C1 English, written and spoken
Apply here: https://app.niuro.io/source/vECJ4t6g?ref=ps_8qBqwS1_yFjra1mj6lkQACJiaMszDWp_BJkmYEomlbk&utm_source=wellfound&utm_medium=job-board&utm_campaign=senior-net-backend-engineer-modern-platform&utm_content=wellfound-20261111
Main requirements
Application
Posted 3 days ago
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