Senior Backend Developer (C#/.NET + Node.js)

Job description

**Job Title:** Senior Backend Developer (C#/.NET + Node.js) **Key Skills:** C#, .NET, Node.js, JavaScript, MongoDB, NoSQL, Backend Development, TDD **Experience:** 5+ YOE. **Location:** Costa Rica, Peru, Colombia, Bolivia **Mode:** Remote We at Coforge are hiring Senior Backend Developer (C#/.NET + Node.js) (#21053-4-4) with the following skill set. **Key Responsibilities** - Design, develop, and maintain scalable backend services using Node.js, C#, and .NET. - Implement and manage databases, particularly MongoDB and other NoSQL solutions, while supporting ETL processes and reporting requirements. - Collaborate with cross-functional teams to define, design, and deliver new features while effectively communicating technical and business requirements. - Debug and troubleshoot application issues and apply test-driven development practices to ensure reliable, maintainable, and high-quality code. **Required Skills & Qualifications** - 5+ years of experience in backend software development. - Strong proficiency in JavaScript, particularly Node.js. - Strong hands-on experience with C# and the .NET framework. - Experience with MongoDB or other NoSQL databases. - Solid understanding of backend development principles and best practices. - Experience designing, developing, and maintaining backend services. - Strong debugging and troubleshooting skills. - Knowledge of test-driven development and software quality practices. - Strong attention to detail with a proactive approach to problem-solving. - Bachelor’s degree in Computer Science, Information Technology, or a related field. **Preferred Skills:** - Experience with Python. - Familiarity with ETL processes and reporting tools. - Experience with debugging techniques and tools. - Experience applying test-driven development methodologies. **Posted On:** 12-10-2026 At Coforge, we hire professionals based solely on their skills and do not discriminate based on age, disability, religion, gender, sexual orientation, socioeconomic status, or nationality.