Senior Software Engineer - C#

Join to apply for the Senior Software Engineer - C# role at Braintrust . Get AI-powered advice on this job and more exclusive features. About Pyyne Pyyne is a modern technology consultancy engineering the next generation of digital products and services. We believe in using technology to unlock business potential, create sustainable growth, and drive digital excellence. Our solutions include advanced Software Engineering, Cloud, and Data & AI solutions. Job Summary Pyyne is seeking a Senior Software Engineer with experience in .NET C# to work as a Consultant for a large US-based Insurance client from our Brazilian Office. The candidate should be a capable player-coach, providing technical support to mid-level and junior developers, and contributing to the team's codebase. The team will interact regularly with stakeholders in the client organization. Key Responsibilities Design, develop, and maintain web applications using .NET Framework/.NET Core and C# Build responsive user interfaces using MVC architecture and React components Develop and optimize SQL Server databases, stored procedures, and queries Implement Entity Framework for data access and ORM Apply dependency injection principles and design patterns for scalable architecture Collaborate with stakeholders to gather requirements and translate them into technical solutions Participate in code reviews and maintain coding standards Troubleshoot and resolve production issues in insurance applications Mentor junior developers and provide technical guidance Contribute to system architecture decisions and technology roadmap planning Must Have Skills 5 years of professional software development in an Agile environment Proficiency in .NET Framework/.NET Core and C# Experience with ASP.NET MVC, React.js, JavaScript ES6 Advanced SQL Server skills Experience with Entity Framework Knowledge of dependency injection and IoC containers Experience with RESTful API development Proficiency in HTML5, CSS3, and responsive design Nice to Have Skills Experience in insurance or financial services industry Knowledge of Azure cloud services Familiarity with CI/CD and DevOps Experience with automated testing frameworks Benefits Salary from 40,000 USD to 48,000 USD Flexible remote work Career growth opportunities Seniority Level Mid-Senior level Employment Type Full-time Job Function Engineering and IT Industries Technology, Information and Internet J-18808-Ljbffr

Location: Rio de Janeiro, Rio de Janeiro, BR

Posted Date: 9/17/2025