Girinath Selvendran

Senior Full Stack Developer with 4.9+ years of experience designing, building, and shipping end-to-end features across React.js/Next.js frontends and Node.js/Express.js backends for fintech and enterprise platforms. Strong expertise in RESTful API design, secure authentication (JWT, OAuth 2.0, RBAC), relational and NoSQL databases (PostgreSQL, Snowflake, MongoDB, MySQL), Redis caching, and cloud-native deployment on Azure. Comfortable owning a feature from data model to UI to deployment, with a track record of improving application performance by 30%+ and delivering production-grade systems for high-volume financial transactions.

Hands-on experience integrating AI/LLM capabilities into applications and using AI coding tools (GitHub Copilot, Cursor, Claude, ChatGPT) daily to accelerate development.

Senior Full Stack Developer at Integra Software Services (2024-12 – Present)

• Leading end-to-end development of a Workflow Management System (WMS) for enterprise-scale e-book publishing — from React.js dashboards to Node.js/PostgreSQL backend services.
• Designed and optimized RESTful APIs using Node.js and PostgreSQL, improving backend response performance by 30%.
• Built job failure detection, automated retry mechanisms, and monitoring to improve system reliability across workflow automation.
• Automated end-to-end file upload and server-side download workflows integrated with Azure Blob Storage.
• Built iAlt, a full-stack feature integrating LLM/AI APIs for automated image alt-text generation, with a UI-based human validation step, improving accessibility compliance.
• Developed operational reporting dashboards (Inflow, Outflow, WIP, YTS, Overdue, Query reports) for real-time visibility.
• Used GitHub Copilot, Cursor, and ChatGPT daily to speed up feature development, refactoring, debugging across the stack.
• Conducted code reviews, managed Jira tasks, and collaborated directly with clients on requirements and delivery.

Full Stack Developer – MERN at Paripoorna Software (2021-11 – 2024-11)

• Designed, developed, and deployed enterprise-grade MERN applications for fintech Loan Origination (LOS) and Loan Management (LMS) platforms — full ownership from UI to database.
• Built scalable REST APIs using Node.js and Express with MongoDB and Snowflake, handling high-volume financial transactions with strong data integrity.
• Improved application performance by 30% through Redis caching, query optimization, and efficient API design.
• Implemented JWT-based authentication and Role-Based Access Control (RBAC) for multi-role secure access.
• Designed and optimized database schemas, indexes, and MongoDB aggregation pipelines.
• Developed Talend ETL pipelines, Snowflake-based data workflows, and Power BI dashboards for loan disbursement, portfolio growth, and risk metrics reporting.
• Led client discussions, technical estimations, solution design, and mentored junior developers.
• Awarded Go Getter Award (2023) for ownership and delivery excellence.

B.Com with Computer Applications in Computer Applications – National College, Trichy (2018 – 2021)