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[Job - 27123] Senior .NET Developer (C#/React), Brazil

Ciandt

Brazil Remote permanent

Posted: February 11, 2026

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Quick Summary

Write concise 2-3 sentence summary highlighting the main responsibilities and key skills required.

Job Description

We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.
With over 8,000 CI&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.

What You’ll Do
- Write, test, debug and optimize code that meets business requirements and conforms to
established patterns and practices
- Author unit tests that adhere to code coverage guidelines
- Participate in Agile ceremonies including daily stand-ups, sprint planning, retrospectives
and product demonstrations
- Learn and apply software engineering design and development standards
- Proactively solicit feedback from peers while mentoring and coaching junior engineers
- Proactively communicate progress, issues, and risks to stakeholders
- Accurately estimate assignments
- Create and maintain technical documentation
What We’re Looking For:
- Advanced experience with .NET, specifically C#.
- Expert experience building advanced UI’s using React and related JavaScript libraries.
- Extensive API experience required. Advanced understanding of databases (SQL,
NoSQL) and version control tools like Git.
- Experience engineering solutions for Microsoft Azure. Microsoft Fabric knowledge desired.
- Continuously seeks to expand knowledge, improve skills, and stay up to date with emerging technologies.

#LI-MR5


Our benefits:

-Health and dental insurance
-Meal and food allowance
-Childcare assistance
-Extended paternity leave
-Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;
-Profit Sharing and Results Participation (PLR);
-Life insurance
-Continuous learning platform (CI&T University);
-Discount club
-Free online platform dedicated to physical, mental, and overall well-being
-Pregnancy and responsible parenting course
-Partnerships with online learning platforms
-Language learning platform
And many more!

More details about our benefits here: https://ciandt.com/br/pt-br/carreiras

At CI&T, inclusion starts at the first contact. If you are a person with a disability, it is important to present your assessment during the selection process. See which data needs to be included in the report by clicking here.This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, don't worry: we can support you in obtaining it.

We have a dedicated Health and Well-being team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.

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