.NET Developer (Tech Support)

About i95Dev i95Dev is a fast-growing global eCommerce technology company specializing in Magento, Microsoft Dynamics ERP integrations, and omnichannel commerce solutions. With offices across the USA, Australia, and India, we support 200+ clients across Retail, Manufacturing, Distribution, and Wholesale industries. Our India development center plays a critical role in ensuring platform stability, continuous improvement, and seamless client support across enterprise-grade B2B/B2C commerce ecosystems. We follow a people-first culture that encourages learning, ownership, and collaboration. Position Overview We are looking for a skilled .NET Developer – Technical Support to join our engineering support team. This role focuses on application support, issue analysis, debugging, and performance optimization for live .NET-based applications integrated with eCommerce platforms and ERP systems. The ideal candidate enjoys solving real-world production issues, working closely with cross-functional teams, and ensuring high system availability and reliability. Key Responsibilities Application & Production Support Provide L2/L3 technical support for .NET-based applications (Console, Windows, and middle-layer services). Analyze, troubleshoot, and resolve production issues, bugs, and incidents within defined SLAs. Investigate application errors, logs, and performance bottlenecks. Perform root cause analysis (RCA) and implement permanent fixes. Debugging & Optimization Debug complex issues in C#, .NET Core, and SQL Server environments. Optimize application performance, database queries, and stored procedures. Monitor system health and proactively identify potential risks. Database Support Work extensively with Microsoft SQL Server to analyze data-related issues. Support stored procedures, triggers, indexing, and query tuning. Assist in data corrections, validations, and backend fixes as needed. Integration & API Support Support REST and SOAP-based Web Services. Troubleshoot API integration issues with ERP systems and third-party platforms. Assist in ERP / OData API-related issue resolution (preferred). Collaboration & Communication Coordinate with development, QA, DevOps, and product teams for issue resolution. Communicate clearly with internal stakeholders and, when required, with clients. Provide timely updates on issue status, resolution, and preventive actions. Documentation & Reporting Maintain incident reports, RCA documents, and resolution notes. Document fixes, workarounds, and known issues for future reference. Follow ITIL-based or internal support processes where applicable Technical Requirements Core Skills Strong experience in C#, .NET Core, .NET Framework (3.0+) Solid understanding of Object-Oriented Programming (OOP) Hands-on experience with Microsoft SQL Server (2005+) , including: Stored procedures Indexing Query optimization Triggers Web Services & Tools Experience supporting RESTful & SOAP APIs Familiarity with Web API debugging and integration Working knowledge of LINQ, XML, JSON Experience using Visual Studio, Postman, Swagger Additional Skills (Good to Have) Exposure to WPF / Windows applications Basic understanding of front-end frameworks (Angular/React/Vue) Experience with version control tools: Git, GitHub, Bitbucket Awareness of CI/CD pipelines and DevOps practices Bonus Skills Experience supporting Microsoft Dynamics ERP (GP, AX, NAV, BC, F&O) Prior experience in application support / production support roles Experience working with global clients and time-zone-based support Soft Skills & Qualities Strong analytical and problem-solving skills Excellent debugging and logical thinking ability Good verbal and written communication skills Ability to work independently and handle production pressure Detail-oriented with a structured approach to issue resolution Willingness to learn and adapt in a fast-paced environment Educational Qualifications B.Tech / MCA / BCA / M.Tech or equivalent Relevant .NET or application support certifications are a plus Work Environment Location: Hyderabad, India (remote) Collaborative and inclusive team culture Opportunity to work on enterprise-grade global applications Exposure to eCommerce, ERP, and large-scale integrations