Bijoy Mandal

Versatile Senior Full Stack Developer with over 5+ years of overall web and mobile engineering experience specializing in Laravel (PHP), React.js/Next.js, and Flutter/Dart. Proven track record in architecting high-scale E-commerce platforms, enterprise CRMs, real-time Video Audio Streaming Applications, and secure Banking/Payment Implementations. Demonstrated expertise in leveraging AWS Cloud infrastructure (EC2, S3, RDS, Lambda) for scalable, secure enterprise deployments and high-frequency transaction systems.

Senior Full Stack Developer / Mobile Lead - Ray & Martin - Kolkata, WB, India

(2026-02)

• Spearheaded 70% of the core application architecture for production-ready Flutter and web applications, ensuring high performance and scalable state management.
• Architected end-to-end WebRTC/Agora real-time video and voice calling modules with dynamic token-based client-server authentication, reducing latency by 25%.
• Built custom micro-billing engines managing per-minute automated wallet deductions with 99.9% payment execution reliability.

Software Developer - MyDevTeam - Remote (United States)

(2025-03 - 2025-11)

• Developed key modules across full-stack applications using Next.js, Laravel, and MySQL; improved API response times by 35% through optimized query caching and indexing.
• Owned 60% of cloud-backed database integrations and automated deployment pipelines across cloud infrastructure.

Laravel Developer - National Informatics Centre (NIC), Govt. of India - Kolkata, WB, India

(2022-06 - 2025-04)

• Designed and deployed the Unified Project Management System (UPMS) for the Government of West Bengal, handling administrative workflows for 100,000+ active records.
• Engineered 80% of secure Role-Based Access Control (RBAC) layers, digital approval workflows, and centralized MIS tracking tools.
• Migrated core infrastructure pipelines to cloud setups, improving system uptimes to 99.95%.

Laravel & IoT Developer - NighaTech Global - Andhra Pradesh, India

(2020-07 - 2021-08)

• Engineered high-volume RESTful APIs facilitating real-time bidirectional communication between hardware IoT devices and cloud servers (handling 10k+ daily transactions).
• Built and maintained a custom enterprise CRM module controlling 90% of internal inventory flows, client management pipelines, and stock metrics.

Bootcamp - Full Stack Developer (MERN) - Coding Ninjas (2024-12 - 2026-02)

Master of Computer Applications (MCA) - MAKAUT (2017 - 2020)

Bachelor of Computer Applications (BCA) - Mahishadal Raj College (2014 - 2017)