Saikat Sen

Chief Technology Officer(CTO)

Ayagro Technologies Limited • Fulltime

May 2025 - Present • 1 yr

Implemented JWT-based authentication and fine-grained RBAC, reducing unauthorized access risk by 100% across protected endpoints. Built a cart-token–driven booking engine supporting both single and multi-item transactions, improving checkout efficiency by 40%.Developed a dynamic profit simulation engine with configurable ROI logic, enabling realtime financial projections and improving decision transparency by 60%. Architected an automated disbursement workflow with state-based lifecycle management, reducing manual financial operations by 70%. Integrated high-throughput SMS and push notification services, increasing user engagement rates by 35%. Optimized API performance using Redis caching and query tuning, achieving 50% reduction in average response time under concurrent load. Ensured secure and consistent transactional integrity using idempotent operations and token validation mechanisms.

Full Stack Developer

Beximco Limited • Fulltime

Aug 2022 - Apr 2025 • 2 yrs 8 mos

Developed enterprise dashboards using Node.js, React, and SQL for Order Booking,MQM, Trend Analysis, Planning, Sales Automation, hr and various reporting modules with interactive charts.Delivered ERP-integrated order booking system, reducing manual effort by 30%. Optimized backend queries and caching, improving performance for 2,000+ daily users

Web Developer

Padma Smart Technology • Fulltime

Nov 2020 - Aug 2022 • 1 yr 9 mos

Built REST APIs and responsive UIs with Laravel & Vue.js. Improved backend efficiency by 40% through optimized DB queries and API refactoring.