Gyan Prakash Kumar

Full Stack Developer

New Delhi, India

Available for work

gyanprakashk55@gmail.com

GitHub

About me

Hello, I'm Gyan Prakash Kumar, a Full-stack developer with 2+ years of production experience building and migrating internal business systems. Strong focus on backend architecture, database design, system migrations, authentication/authorization, and production deployments.

Experienced in owning features end-to-end in small teams and delivering reliable systems used daily by finance and operations teams.

Experience

New Delhi, India

Volks Energie Pvt. Ltd.

July 2025 - Present

Software Developer

Led the migration of a live Tender Management System from Laravel/MySQL to React, NestJS, and PostgreSQL with zero downtime for daily business operations.

Designed and executed production database migrations, preserving legacy IDs, sequences, and relational integrity across financial and tender data.

Built and owned 25+ backend modules across Tender and Accounts domains, including schema design, APIs, validation, and authorization.

Replaced insecure UI-only access control with backend-enforced RBAC using JWT authentication and Google OAuth.

Implemented transaction-safe background jobs and rollback-safe migrations to reduce risk during frequent schema changes.

Set up CI/CD pipelines and handled production deployments on Linux VPS using Nginx and PM2.

New Delhi, India

Ananta Business Services

November 2023 – June 2025

Web Developer

Served as technical owner for multiple client projects, handling task breakdown, sprint planning, PR reviews, and delivery.

Acted as the primary technical point of contact, converting ambiguous business requirements into production-ready systems.

Designed and built a biometric Attendance Management System, integrating fingerprint devices via vendor APIs to automate attendance and payroll workflows.