Supriyo Maji

About Supriyo Maji

I am a Full-Stack Software Engineer with hands-on experience building scalable web and mobile applications, real-time systems, and cloud-native infrastructure. I work across the entire development lifecycle—from frontend architecture and backend APIs to DevOps automation, deployment, and monitoring.Frontend & Mobile:React.js, React Native (Expo), Flutter, Tailwind CSS, Redux Toolkit, component-driven UI architectureBackend & APIs:Node.js, Express, NestJS, Flask (Python APIs), Bun.js, golang, Rust,REST, WebSockets, Socket.IO, microservices architectureDatabases & Storage:MongoDB, PostgreSQL, Redis, Graph databases, AWS S3, CloudinaryAuthentication & Security:Keycloak, JWT, OAuth2, RBAC, secure secrets management, WAF integrationAI / ML & LLM Systems:LLMs, RAG (Retrieval-Augmented Generation) pipelines, ML workflows, API-based model integrationCloud, DevOps & Infrastructure:Docker, Kubernetes (K8s), Ansible, CI/CD pipelines, AWS (EC2, S3), Infrastructure as Code, GitHub ActionsObservability & Reliability:Prometheus, Grafana, centralized logging, performance monitoring, alerting systemsI have delivered end-to-end production systems including real-time platforms, admin dashboards, payment-integrated backends, and scalable cloud deployments, with a strong focus on performance, security, and maintainability.Exploring & Learning:Web3 fundamentals, Golang, Elixir, Rust (systems programming), blockchain architecture, smart contract concepts

Experience

1. Full Stack Developer

   Backgammon Galaxy

   Aug 2025 — Present

   Developing a scalable Tournament Manager platform for mobile and web using React Native (Expo), React.js, and Node.js/Express, designed to support high concurrency and real-time interactions.Architected a modular frontend with structured navigation, Redux Toolkit for state management, and reusable components to ensure performance, maintainability, and scalability. Built a feature-rich tournament listing with Upcoming, Running, and Finished states, enabling smooth registration/unregistration flows and real-time status updates.Implemented an Admin Panel using React and Tailwind CSS for tournament creation, match scheduling, user management, and live match tracking.Designed a robust backend with Node.js, Express, and MongoDB, integrating Keycloak for secure authentication and RBAC, Socket.IO for real-time updates and notifications, and secure payment workflows. Utilized Cloudinary for optimized media handling and AWS S3 for scalable storage.Containerized services using Docker and automated infrastructure provisioning with Ansible. Deployed services on AWS EC2 and orchestrated them using Kubernetes (K8s) with auto-scaling, rolling deployments, and load balancing.Built CI/CD pipelines to automate build, test, and deployment processes. Established production-grade monitoring with Prometheus and Grafana, and strengthened security through RBAC, secrets management, network policies, and WAF protection.Owned end-to-end deployment and release management across App Store, Play Store, and web, ensuring scalability, security, and long-term extensibility.

Education

• LOYOLA SCHOOL TALDANGA DHANBAD

  PCM

  2014 — 2022