Vasanth kumar .R

Software Developer with professional experience building production web applications, backend services, and API-driven systems using JavaScript, TypeScript, Python, Node.js, Express.js, React.js, REST APIs, SQL, and NoSQL databases. Experienced in designing backend services, database-driven workflows, authentication and authorization, third-party API integrations, debugging, root cause analysis, and performance optimization. Hands-on experience developing an AI-powered voice application involving LLM APIs, speech processing, knowledge-based responses, conversational workflows, and backend services.

Strong foundation in data structures, algorithms, object-oriented programming, database concepts, software engineering, system design fundamentals, and scalable application architecture.

Software Developer at Zero Gravity Technologies (2025-03 – Present)

• Design and develop production web applications and backend services using React.js, Next.js, TypeScript, JavaScript, Node.js, and Express.js, with emphasis on reusable components, API-driven workflows, and maintainable software architecture.
• Design and implement RESTful backend services using Node.js and Express.js, including CRUD operations, request validation, authentication, authorization, database operations, and frontend-backend integration.
• Implement JWT-based authentication and authorization, protected routes, and role-based access control for secure application workflows.
• Integrate third-party services and content platforms including Sanity Headless CMS, REST APIs, and webhooks while handling API errors, validation, and production integration issues.
• Investigate and resolve production issues across frontend, backend, API, and database layers using debugging and root cause analysis to improve application reliability.
• Improve application performance using code splitting, lazy loading, image optimization, server-side rendering, and Core Web Vitals optimization to improve responsiveness and application performance.
• Work in an Agile software development environment, collaborating with team members to deliver features, troubleshoot production issues, and maintain application quality.

Process Executive – Internship at Zinnov Management Consulting (2024-01 – 2024-04)

• Supported business processes, data management, documentation, and operational activities while maintaining accuracy and delivery timelines.

B.E. in Computer Science and Engineering – P.T. Lee C.N. College of Engineering and Technology, Anna University (2024)