[Job - 31387] Developer .NET Mid-Level, 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.

At CI&T, we are seeking a highly skilled and motivated Mid-Level .NET Developer to join our team in Brazil. You will contribute to an innovative project in a collaborative, innovative, transforming, and multicultural environment.
Position Overview

As a Mid-Level .NET Developer, you will play a pivotal role in developing and integrating complex software solutions focused on back-end development. Working closely with a diverse team across Brazil, Colombia, the UK, and the USA, you will ensure high-quality deliverables that align with client expectations, all while communicating in English.
Key Responsibilities

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Design, build, and maintain back-end services using C#, ADO.NET, and SQL Server.

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Implement and evolve SOAP and REST APIs, ensuring adherence to best practices and versioning standards.

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Ensure service reliability through unit and integration testing, troubleshooting, and root-cause analysis.

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Collaborate on integration between various systems and services, applying software design patterns.

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Conduct code reviews and provide mentorship to junior team members.

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Stay updated with emerging technologies and industry trends, applying them to enhance existing solutions.

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Contribute to CI/CD workflows and best practices to improve development efficiency.

Required Skills and Qualifications
Must-have Skills:

- Strong experience with .NET Framework and .NET Core in production systems.

- Solid understanding of ADO.NET and SQL Server, with experience in database design and performance tuning.

- Hands-on experience with SOAP and RESTful services.

- Proficiency in XML serialization/deserialization.

- Strong understanding of software design patterns and best practices.

- Effective communication skills and resilience in fast-paced, multicultural teams.

- Advanced English proficiency.

Soft Skills:

- Proactive ownership of tasks with a mindset for continuous improvement.

- Strong communication skills across technical and non-technical audiences.

- Collaborative team player who values shared success.

- Ability to adapt to ambiguity and shifting requirements.

Nice-to-have Skills:

- Experience with cloud platforms, preferably Azure.

- Familiarity with specification-driven development and agentic approaches to software development.

- Exposure to Agile development methodologies.

At CI&T, we are driven by Collaboration, Innovation, & Transformation , and we harness the power of AI to enhance our projects. Join us in shaping the future of technology and be part of a team where your contributions truly matter. If you are passionate about technology and eager to grow in a vibrant environment, we encourage you to apply!
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:
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 whi