Join a US tax-tech company and keep its mature platform stable and evolving. You'll work hands-on in a large .NET Framework codebase with sensitive taxpayer data, in a regulated environment.

What you'll do

• Resolve production incidents

• Optimize data access and SQL performance

• Ship safe incremental improvements together with the legacy platform team, especially during tax season

Must have

• 5+ recent years with C# and .NET, hands-on .NET Framework

• Dapper and Entity Framework, and judgment on when to use each

• Strong SQL and production performance troubleshooting

• AWS experience

• Confidence changing large, non-modular codebases safely

• C1 English

Full-time · contractor · 100% remote from LATAM · USD 3,000–3,500/month.