SUNIL KUMAR

Software Developer

Microsoft • Fulltime

May 2020 - Jun 2023 • 3 yrs 1 mo

**Responsibilities as a .NET Developer ** * Developed, tested, and maintained scalable web applications using C#, ASP.NET, .NET Core, and MVC architecture. * Built and integrated RESTful APIs and backend services for enterprise-level applications. * Worked with SQL Server for database design, optimization, stored procedures, and performance tuning. * Collaborated with cross-functional teams including UI/UX designers, QA engineers, and project managers in Agile/Scrum environments. * Implemented secure authentication and authorization systems using Microsoft technologies. * Optimized application performance, debugging issues, and ensuring high availability of services. * Participated in code reviews, technical documentation, and deployment processes using Azure DevOps and Git. * Integrated third-party APIs, payment gateways, and cloud-based services when required. * Assisted in migrating legacy applications to modern .NET Core architecture. * Ensured software quality through unit testing, bug fixing, and continuous integration practices. **Client Experience** * Worked with international clients from industries such as eCommerce, healthcare, finance, and enterprise solutions. * Gathered and analyzed client requirements to deliver customized software solutions. * Managed client communication for project updates, technical discussions, and requirement clarifications. * Delivered projects within deadlines while maintaining high-quality development standards. * Provided post-deployment support, maintenance, and performance enhancements for client applications. * Coordinated with remote teams and stakeholders across different time zones for smooth project execution.