[Job - 31610] Master .NET Specialist, Brazil

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.

We are hiring aMaster .NET Engineerto join our team and help build complex back-end software solutions. You will work with a multicultural team spread across Brazil, Colombia, the UK, and the USA. All communication will be in English.

As a Master .NET Engineer, you will be the technical expert on back-end development. You will design solutions, guide junior developers, and help the team use new technologies and best practices.

What You Will Do

• Design, build, and maintain back-end services using C#, ADO.NET, and SQL Server
• Create and improve SOAP and REST APIs (following best practices and version standards)
• Write unit tests and integration tests to make sure services work correctly
• Find and fix problems in the code (root-cause analysis)
• Help integrate different systems and services together (using software design patterns)
• Review other developers’ code and mentor junior team members
• Learn about new technologies and find ways to improve our current solutions
• Work on CI/CD workflows (automated testing and deployment) to improve how the team works

What You Need to Know

• Strong experience with .NET Framework and .NET Core in real production systems
• Deep knowledge of ADO.NET and SQL Server
• Experience with database design and making databases work faster
• Hands-on experience building SOAP and REST APIs
• Ability to work with XML (reading and writing XML data)
• Strong understanding of software design patterns and best practices
• Advanced English proficiency
• Ability to work well in multicultural, fast-paced teams

Soft Skills

• Takes ownership of your work and always looks for ways to improve
• Communicates clearly with both technical and non-technical people
• Works well with others and values the team’s success
• Can adapt when requirements change or situations are unclear

Nice to Have

• Experience with cloud platforms (preferably Azure)
• Knowledge of specification-driven development (building code based on clear requirements)
• Exposure to Agile development methods
• Understanding of modern software development approaches
  
  
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