Hybrid Senior C# / .NET Developer

Posted 1 hour ago

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About the role

  • Backend Developer at CI&T focusing on APIs and services for a leading Brazilian retailer. Responsible for backend solutions with a strong emphasis on security and integration.

Responsibilities

  • Develop and evolve backend services and APIs with a focus on quality, security, and scalability.
  • Design and maintain RESTful APIs consistently and in accordance with best practices.
  • Work on system integrations, messaging, and asynchronous processing.
  • Work with relational and non-relational databases, ensuring performance and data integrity.
  • Apply clean code principles, design patterns, and architectural best practices in backend solutions.
  • Implement and maintain authentication and authorization mechanisms, including OAuth 2.0, JWT, and related standards.
  • Use productivity tools and development acceleration resources such as Copilot and AI agent frameworks.

Requirements

  • Strong experience in C# and backend development with .NET 9/10.
  • Experience building and maintaining RESTful APIs.
  • Knowledge of messaging systems and asynchronous processing.
  • Experience with databases such as PostgreSQL and MongoDB.
  • Knowledge of design patterns and clean code best practices.
  • Experience with Copilot and AI agent frameworks.
  • Experience with authentication systems such as OAuth 2.0, JWT, and similar technologies.
  • Ability to operate in distributed environments with an architectural perspective and a focus on software quality.

Benefits

  • Health and dental insurance
  • Meal and food allowance
  • Childcare assistance
  • Extended parental leave
  • Partnerships with gyms and health & wellness professionals via Wellhub (Gympass) TotalPass
  • Profit Sharing (PLR)
  • Life insurance
  • Continuous learning platform (CI&T University)
  • Employee discount club
  • Free online platform dedicated to physical and mental health and well-being
  • Pregnancy and responsible parenthood course
  • Partnerships with online course platforms
  • Language learning platform
  • And many more

Job title

Senior C# / .NET Developer

Job type

Experience level

Senior

Salary

Not specified

Degree requirement

Bachelor's Degree

Location requirements

HybridBrazil

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