[Job -32700] Senior C#/.NET Developer, Market Data Platform, Brazil

Brazil
Full-time
Posted Nov 13, 2026

Skills

Agile
C#
Git
JavaScript
Microsoft Azure
React
SQL

Job description

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions.

With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy.

We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day.

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.