Master .NET Developer

CI&T

MASTER .NET Engineer for back-end development in a multicultural team across multiple countries.

Posted 6/9/2026full-timeRemote • 🇧🇷 BrazilMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

.NETSOAPSQL

About the role

Key responsibilities & impact

Design, build, and maintain back-end services using C#, ADO.NET, and SQL Server.
Implement and evolve SOAP and REST APIs, ensuring best practices and versioning standards.
Ensure service reliability through unit and integration testing, troubleshooting, and root-cause analysis.
Collaborate on integration between various systems and services, applying software design patterns.
Conduct code reviews and provide mentorship to junior team members.
Stay up to date with emerging technologies and industry trends, applying them to improve existing solutions.
Contribute to CI/CD workflows and best practices to enhance development efficiency.

Requirements

What you’ll need

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.
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.

Benefits

Comp & perks

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!

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

C#ADO.NETSQL Server.NET Framework.NET CoreSOAPREST APIsXML serializationunit testingintegration testing

Soft Skills

effective communicationresilienceproactive ownershipcollaborative team playeradaptabilitymentorshipcontinuous improvementshared successcommunication across audiencesproblem-solving