[Job - 31381] Senior .NET Developer, Brazil

45 minutes ago
Full-time
Senior
Software Development
CI&T

CI&T

CI&T is a global digital technology agency empowering agile growth for leading companies through advanced technologies with a team of 2000 experts worldwide.

Internet Software & Services
5K-10K
Founded 1995

Description

  • Design, build, and maintain back-end services using C#, ADO.NET, and SQL Server.
  • Implement and evolve SOAP and REST APIs, including versioning, security, and best practices.
  • Develop integrations across multiple systems and services using appropriate design patterns.
  • Ensure service reliability through testing, monitoring, troubleshooting, and root-cause analysis.
  • Conduct code reviews, provide technical feedback, and mentor junior engineers.
  • Contribute to CI/CD workflows and deployment-quality improvements.
  • Monitor emerging technologies and apply relevant improvements to existing solutions.
  • Collaborate effectively with distributed, cross-functional teams and adapt to changing requirements.

Requirements

  • Strong production experience with .NET Framework and .NET Core.
  • Hands-on back-end development experience with C#, ADO.NET, and SQL Server.
  • Experience implementing and evolving SOAP and RESTful services.
  • Knowledge of database design, SQL Server performance tuning, and XML serialization/deserialization.
  • Understanding of software design patterns and engineering best practices.
  • Experience with unit and integration testing, troubleshooting, and reliability analysis.
  • Advanced English proficiency; all communication is conducted in English.
  • Strong communication, ownership, collaboration, adaptability, and continuous-improvement skills.
  • Experience with cloud platforms, preferably Microsoft Azure (preferred).
  • Familiarity with specification-driven development, agentic software development, and Agile methodologies (preferred).

Benefits

  • Health and dental insurance, life insurance, and meal and food allowances.
  • Childcare assistance and extended paternity leave.
  • Profit sharing and results participation (PLR).
  • Gym, wellness, physical-health, and mental-health programs through partner platforms.
  • Continuous learning through CI&T University, online learning partnerships, and language-learning platforms.
  • Discount club and other employee partnership benefits.
  • Dedicated health and well-being team, inclusion specialists, affinity groups, and support for workplace accommodations.

Interested in this position?

Apply directly on the company website

Apply Now

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