Paghadar Sagar

Full-Stack Developer with 6+ years building scalable, high-performance web applications across the full software development lifecycle. Proficient in Node.js, React.js, Next.js and modern JavaScript, with deep expertise designing secure REST APIs, database architectures and cloud-based solutions. Known for clean, maintainable, efficient code, strong problem-solving and cross-functional collaboration driving projects from concept to production with high quality and reliability, and continually adopting new technologies to deliver business-focused results.

Senior Software Developer at Corenest Infotech (2020-01 – Present)

• Designed and developed scalable full-stack web applications with Node.js, Express.js, React.js and Next.js, ensuring high performance and maintainability.
• Built and managed RESTful APIs and microservices with Node.js and Express.js, enabling seamless integration between frontend applications and backend systems.
• Architected reusable, modular backend components that improved code quality, reduced development effort and accelerated feature delivery.
• Designed and optimized MongoDB and MySQL schemas, indexes and queries, significantly improving application performance and response times.
• Integrated third-party services including payment gateways, AWS (S3, Lambda, SQS), CRM platforms and external APIs to extend application functionality.
• Implemented secure authentication and authorization using JWT, OAuth 2.0, RBAC and session management.
• Collaborated closely with frontend teams to integrate APIs with React.js and Next.js applications, ensuring efficient data flow and responsive user experiences.

Bachelor of Computer Applications in BCA – Rabindranath Tagore University (2017-01 – 2020-12)