Senior C# Backend Developer

We are looking for a Senior Backend Developer (C#) to work on a strategic project, developing robust, scalable, and high-availability solutions in a collaborative environment with modern technologies.

If you have solid experience in backend development with .NET and are seeking new challenges, this opportunity is for you!

Work Model: Remote, with availability for on-site work in São Paulo when necessary (1 to 2 times per month).

Location: Exclusive to professionals residing in the state of São Paulo

Hiring Type: PJ (Legal Entity Contractor)

Hours: Monday to Friday, from 8 AM to 5 PM or 9 AM to 6 PM

Main Responsibilities

• Develop and maintain Backend applications using C# (.NET Framework and .NET 9/.NET 10);
• Work on the evolution and maintenance of monolithic systems and microservices;
• Develop and integrate REST APIs and SOAP WebServices;
• Work with PostgreSQL and Redis databases;
• Develop integrations using RabbitMQ;
• Participate in defining and evolving application architecture;
• Work with Docker, Kubernetes, Linux, and Windows (IIS);
• Ensure the quality, performance, and scalability of applications;
• Collaborate with multidisciplinary teams in an agile environment.

Requirements

• Bachelor's degree completed in a Technology field;
• Minimum of 5 years of experience in Backend development using C#;
• Experience with .NET Framework and .NET (preferably recent versions);
• Experience with REST APIs and SOAP WebServices;
• Experience with PostgreSQL;
• Knowledge of microservices architecture;
• Experience with Docker;
• Knowledge of Linux and Windows (IIS) environments;
• Proficiency with Visual Studio, VS Code, Postman, DBeaver, and SoapUI;
• Strong analytical skills and problem-solving abilities;
• Experience in developing high-availability applications.

Differentials

• Experience with Redis;
• Experience with RabbitMQ;
• Knowledge of Kubernetes;
• Experience with microservices architecture;
• Knowledge of Claude Code.

Expected Profile

We are looking for an analytical, proactive, and collaborative professional, with the autonomy to lead technical demands, ease in working within a team, and a focus on delivering robust, scalable, and high-quality solutions.