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

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.