Veera Veeru

Fullstack Developer with 2 years of experience as the sole developer maintaining a live, multi-tenant GST Billing ERP (JustBill) used by 50+ businesses. Strong in React.js, Redux Toolkit, ASP.NET Core (C#), and MySQL/SQL Server. Owns the full lifecycle end-to-end — feature development, government GST compliance integrations (E-Invoice, E-Way Bill), production debugging, and direct customer support — with no team to fall back on, which has built deep, independent problem-solving ability across the stack.

Fullstack Developer at Fabgreen Technologies (2024-07 – Present)

• GST Compliance Integration: Built and maintain E-Invoice and E-Way Bill integrations (TaxPro/NIC APIs) inside a live ASP.NET Core ERP, covering generation, cancellation, extension, and print flows across 50+ live businesses.
• Production Debugging at Scale: Diagnosed and fixed 10+ real NIC/GST compliance errors (e.g., stale tax-split on interstate transactions, duplicate E-Way Bill handling, extend-validity timing rules) directly in production with zero data loss.
• Sales Invoice Quick-Add: Built inline Customer/Product creation shortcuts using Redux Toolkit reducers, removing the need for inter-module navigation for 50+ live businesses.
• Screen & Report Visibility Control: Designed a per-client access control feature (tabbed UI, bulk show/hide, hidden-count badges) refactored into a reusable component behind route-level protection.
• GSTR-1 Reporting: Maintained a SQL reporting function combining multi-source invoice data; resolved data duplication and HSN-code mapping defects.
• Full-Stack Ownership: Sole developer resolving 50+ production issues end-to-end — tax calculation bugs, routing errors, PDF export formats, null/date handling, and stock update logic across Sales, Purchase, and Inventory modules.

MERN Stack Developer Intern at Nextskill Technologies (2023-11 – 2024-02)

• Developed responsive web applications using React.js, Node.js, Express.js, and MongoDB; used Git version control and participated in code reviews.

B.Sc in Computer Technology – Kongunadu College (2018 – 2021)

Certification in Full Stack Development (MERN) – Nextskill Technologies