[Job - 28808] Senior Developer .NET

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.

Position Overview:

As a C# Developer, you will play a crucial role in the development and maintenance of our core software applications. You will work closely with cross-functional teams to build scalable, high-performance solutions that align with client requirements and business goals. Your expertise in the .NET ecosystem will be vital as you design server-side logic, manage database interactions, and ensure the seamless integration of web services and REST APIs.

Key Responsibilities

- Collaboration: Partner with frontend developers and stakeholders to design and implement robust, end-to-end software deliverables.
- Development: Design, write, and maintain efficient, testable, and reliable C# code within the .NET Core / .NET 6+ framework.
- API & Services: Develop and optimize web services and REST APIs, ensuring high availability and low latency for integrated applications.
- Architecture: Participate in the implementation of clean architecture, following SOLID principles and industry best practices.
- Proactive Ownership: Embrace an autonomous approach to troubleshooting, root cause analysis, and continuously improving the codebase.

Required Skills & Qualifications

- C# Proficiency: Solid experience in software development using C# and the .NET framework.
- Web Technologies: Experience building and consuming REST APIs and working with ASP.NET Core.
- Database Management: Knowledge of relational databases (e.g., SQL Server, PostgreSQL) and experience with Entity Framework.
- Software Design: Strong understanding of Object-Oriented Programming (OOP) and common design patterns.
- Workflow Tools: Familiarity with version control systems (Git) and project management tools (preferably JIRA).
- Language: Advanced English proficiency (reading and writing).

Nice-to-have Skills:

- Cloud & DevOps: Familiarity with Azure or AWS services and Continuous Integration/Continuous Delivery (CI/CD) processes.
- Testing: Experience with unit testing frameworks such as xUnit, NUnit, or MSTest.
- Modern Frontend: Knowledge of JavaScript frameworks (like React or Angular) or Blazor.
- Agile Mindset: Experience working in Agile/Scrum environments.

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.