Sanjay Kumar Chitrakar
Senior .NET Core Backend Developer | ASP.NET Core | Web API | SQL Server | Azure | AI Integration
About
Senior Backend Engineer / Technical Lead with 12+ years of experience designing and delivering scalable, secure, and high-performance backend systems using .NET, ASP.NET Core, Web API, and SQL Server. Proven track record in government, banking, education, and enterprise systems, with end-to-end ownership from system design to production deployment.
Experience
Senior Software Developer at TechStalwarts Software Development (2023-04 – Present)
Delivered enterprise-grade backend services for secure, scalable document management systems.
- Designed and deployed 25+ enterprise APIs supporting document lifecycle, role security, and high-volume concurrent access.
- Implemented AES-256 encryption to secure documents at rest and during access workflows.
- Integrated blockchain-based audit trails to ensure document immutability, traceability, and compliance.
- Developed seamless Microsoft SharePoint integration for document synchronization and collaboration.
- Designed database schemas, optimized queries, and ensured data integrity for high-volume enterprise usage.
- Deployed and managed applications on Azure App Services and Azure VMs, following secure configuration practices.
- Collaborated with stakeholders to translate complex business requirements into reliable backend solutions.
- Ensured performance, scalability, and maintainability through clean architecture and modular design.
- Leveraged AI-assisted development tools to accelerate API development, code reviews, debugging, and technical documentation.
- Used generative AI tools to improve development productivity, solution design, and knowledge discovery across enterprise projects.
- Evaluated AI integration opportunities within enterprise document management and workflow automation systems.
Senior Software Programmer at Balaji Urban Cooperative Bank Ltd., Satna (2021-11 – 2023-03)
Contributed to the development and maintenance of a Core Banking Solution (CBS) using ASP.NET MVC, Web API, ADO.NET, and SQL Server.
- Developed and maintained business logic, stored procedures, views, and database tables for banking operations.
- Managed transaction scheduling, balance updates, and data consistency across banking modules.
- Conducted thorough testing in local and live environments prior to deployment to ensure system stability.
- Ensured secure handling of financial data and compliance with banking application standards.
- Provided ongoing support and improvements to meet operational and regulatory requirements.
Senior Software Programmer at Sagar Group of Institute, Bhopal (2021-01 – 2021-10)
Developed and maintained ERP modules using ASP.NET MVC, Web API, Entity Framework, and SQL Server.
- Built backend components to support academic, administrative, and operational workflows.
- Enhanced application stability and performance through optimized data access logic.
- Collaborated with internal teams to understand requirements and deliver functional enhancements.
Senior Software Engineer at AKS University, Satna (2013-12 – 2021-01)
Worked on a comprehensive University Management Information System (UMIS) integrating multiple technologies and services.
- Developed web forms, backend logic, and database components using ASP.NET, Web API, ADO.NET, and SQL Server.
- Integrated external systems including Biometric devices, Barcode systems, SMS Gateway, Email services, Payment Gateway, GPS, and Mobile applications.
- Implemented role-based access control and authorization for secure system usage.
- Created responsive UI components and CSS for handheld and mobile devices.
- Developed reusable and custom user controls to improve development efficiency.
- Ensured data integrity, system reliability, and stable operation for large academic datasets.
Software Engineer at Multiple Organizations (Genesis System Pvt. Ltd., SPAN Technology, Arvind Kansal & Co.) (2010-11 – 2013-12)
Built a strong technical foundation through hands-on development across web applications, Windows applications, GIS-based systems, and process automation projects in media, infrastructure, and education domains.
- Worked on Digi News Press, a multilingual Windows-based newspaper automation platform, developing local database management, remote synchronization, background processing, and automated download/print scheduling with Genesis System Pvt. Ltd. Noida.
- Engineered FTP File Fetcher automation solutions for 24×7 FTP monitoring, automated file downloads, and configurable publishing workflows.
- Developed education-focused web applications and strengthened expertise in ASP.NET, ADO.NET, SQL Server, Windows application development, threading, automation workflows, and N-Tier architecture at SPAN Technology, Satna.
- Contributed to Fibre Optics Tracking System using Google Maps API for infrastructure location visualization and authentication workflows at Arvind Kansal & Co., Ghaziabad.
Education
BE in Information Technology in 2006 from MITS College Gwalior
