Senior .Net Full-Stack Engineer

Nix

Brazil (South America) Remote permanent

Posted: February 16, 2026

Required Skills

Job Description

We’re looking for a Senior .Net Full-Stack Engineer to join our team.

About the project:

Our client an award-winning global tax services and software provider, is the largest Firm in the world dedicated exclusively to business taxes. With global headquarters in Dallas, Texas, the Firm provides an integrated suite of federal, state, local, and international tax services on a multijurisdictional basis, including tax recovery, consulting, advocacy, compliance, and technology services. Customer is a seven-time recipient of the International Service Excellence Award from the Customer Service Institute of America (CSIA) for his commitment to world-class client service.
The project is dedicated to the Sales Tax area: extending a solution that helps clients to track and forecast their performance.

Responsibilities:

• Perform Full-Stack development of product pieces, adopting the best industry practices

• Design, build, and maintain performant, efficient, reusable, and reliable code

• Translate business logic into code and automate business processes

• Perform code reviews, write unit and UI tests

• Ensure high-quality app design with proper design patterns, well-structured, modular, performant application code

• Provide problem-solving and root-cause analysis to streamline project development

• Communicate team progress and technical vision to clients, product owners, and stakeholders

• Run and actively participate in Agile processes and events

• Explore new opportunities to add value to the product and process and present to the team

Requirements:

• 5+ years of experience in Full-Stack development based on .NET and React

• Solid knowledge and experience with .NET Core

• Good understanding of design and architectural patterns

• Strong software design fundamentals (SOLID, OOP, OOD, etc.)

• Well-versed in React and JavaScript (ES6, TypeScript)

• Knowledgeable in Azure cloud and services (Service bus, AKS)

• Profound knowledge of MS SQL Server and Entity Framework

• Upper-intermediate+ level of English

Nice to have:

• Experience working with Postgres SQL and Azure functions (KEDA).

We offer*:

• Flexible working format - remote, office-based or flexible

• A competitive salary and good compensation package

• Personalized career growth

• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)

• Active tech communities with regular knowledge sharing

• Education reimbursement

• Memorable anniversary presents

• Corporate events and team buildings

• Other location-specific benefits

*not applicable for freelancers

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