Senior Full-Stack Engineer

Senior Full-Stack Engineer (.NET) – Tax Calculation

Location: LATAM (Remote)

Job Description

We are looking for a Senior Full-Stack Engineer (.NET) to work with an American consulting firm on applications in the Tax Calculation (TaxCalc) domain. This role involves developing and modernizing legacy .NET and SQL Server systems, with a strong focus on code quality, automated testing, and incremental delivery.

This is a hands-on engineering role with high ownership and close collaboration with technical leadership.

Responsibilities

• Develop and maintain full-stack applications using .NET

• Work on the modernization of legacy systems using incremental approaches

• Refactor existing code to improve maintainability and reduce coupling

• Write and maintain automated tests (unit and integration)

• Ensure adequate test coverage for critical calculation logic