Senior Full-Stack Engineer

Há 7 dias


Remoto, Brasil Fitnext Tempo inteiro
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
  • Participate in code reviews and technical discussions
  • Collaborate with product and QA teams to deliver high-quality solutions
Requirements
  • Strong experience with .NET (C#) in production
  • Solid experience with SQL Server
  • Experience working with legacy systems
  • Hands-on experience writing automated tests
  • Familiarity with incremental modernization patterns
  • Ability to work independently in a remote, distributed environment
  • Strong problem-solving and communication skills
  • Experience in Tax, Fintech, Finance, or regulated environments
Nice to Have
  • CI/CD experience
  • Cloud experience (Azure preferred)
  • Experience with APIs and microservices

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