Hello, I am Debopam Roy
Software
Based In India.
I build scalable, production-grade applications with TypeScript, Next.js, NestJS, Python, and Golang. From enterprise platforms serving thousands of users to real-time collaborative tools, I focus on clean architecture, performance, and delivering real impact.
About Me
My name is Debopam Roy, a full-stack developer and software engineer with a Master's in Computer Science from Ramakrishna Mission Vivekananda University.
About Me
I build robust, scalable applications using TypeScript, Next.js, NestJS, Python and Golang, combining clean architecture with user-friendly design.
I've delivered full-featured systems like:
- Enterprise Placement Platform: RBAC, AI resume analysis, serving 17,000+ students with <300ms query performance.
- Food Ordering Platform: Serving 50,000+ MAU with secure payments and live order tracking.
- Collaborative Code Editor: Real-time editing with CRDT (Y.js), Socket.IO, WebRTC, and live compilation.
- CRM with Gmail Integration: Pub/Sub, rate limiting, and real-time call recording via Recall.ai.
- Portfolio Hedging System: Python algorithms using asset Greeks and Beta trends, 80% risk reduction.
I work with PostgreSQL, MongoDB, Redis, Docker, and GCP/AWS, focusing on building performant backend systems and intuitive interfaces that deliver real impact.
Work Experience
Senior Software Engineer
Precanto · Full-time · Remote
Bengaluru, Karnataka, India
- Developed threaded commenting feature with user tagging, RBAC, and nested replies. Integrated email notifications with deep-linking to enable direct navigation to specific comments.
- Implemented in-memory caching layer in GO-ETL with four-bucket hash map partitioning for entity and category mappings. Reduced DB queries from O(N) to O(1) per entity, concurrent-safe read access.
- Built Vendor Dashboard API endpoints with summary data aggregation and CSV export functionality.
Software Developer
MetaSage.ai · Full-time · Hybrid
Bengaluru, Karnataka, India
- Architected enterprise placement platform serving 17,000+ students across 2 universities with 99.9% uptime, implementing RBAC system with Supabase RLS policies for multi-tenant data isolation.
- Developed Supabase Edge Functions for AI-powered resume analysis (OpenAI GPT-4), bulk eligibility validation, automated email orchestration with calendar invites, and interview progression workflows processing 10,000+ operations daily.
- Engineered CI/CD pipeline with GitHub Actions orchestrating multi-tier deployments: frontend to Vercel (production) and Netlify (staging), backend microservices to GCP Cloud Run and dedicated VMs—achieving zero-downtime releases with automated DNS failover via GoDaddy.
Executive Software Developer
FeedSense AI Private Limited · Full-time · Onsite
Kolkata, West Bengal, India
- Architected master-slave database replication, significantly reducing read latency and ensuring high availability with consistent data synchronization across multiple instances.
- Monitored and maintained bare metal server infrastructure, implementing data security hardening and vulnerability remediation to strengthen system resilience.
- Streamlined production deployments by building a CI/CD pipeline with automated security vulnerability scanning and multi-stage quality checks.
Executive Software Developer
Vista Intelligence Private Limited · Full-time · Onsite
Kolkata, West Bengal, India
- Built automated trading algorithms for stocks, commodities, and cryptocurrencies that analyzed market data in real time and executed trades based on predefined strategies.
- Developed and maintained the backend API in TypeScript, enabling seamless integration with trading engines and efficient high-throughput data handling.
- Optimized algorithm performance through rigorous backtesting, live debugging, and iterative tuning—improving profitability while reducing risk exposure in volatile markets.
Software Developer
Vista Intelligence Private Limited · Internship · Onsite
Kolkata, West Bengal, India
- Built real-time data ingestion pipelines to stream market data from external providers into in-house servers.
- Implemented data cleaning, validation, and transformation workflows to ensure high-quality datasets for downstream trading algorithms.
- Developed automated data quality checks and anomaly detection scripts to flag inconsistencies in incoming market feeds.
Android Developer
Twain Labs · Internship · Remote
Okhla Industrial Area, New Delhi, India
- Built and published an Android application on Google Play featuring a private browsing module and a unified social media hub aggregating multiple platforms into a single interface.
- Worked on multiple Android projects simultaneously, handling end-to-end development from UI design to Play Store deployment.
- Integrated Firebase for user authentication, real-time data sync, and push notifications across the application.
Android Developer
Inventive Cafe India Private Limited · Internship · Remote
Dhakia Kalan, Uttarakhand, India
- Developed a PDF creation application for Android that captures images via the device camera and converts them into formatted PDF documents.
- Integrated OpenCV for image processing, including auto-cropping, perspective correction, and enhancement before PDF generation.
- Implemented local storage management with MySQL to organize and retrieve generated PDFs efficiently.
Android Developer
Mirazh Media & Entertainment Pvt. Ltd. · Internship · Remote
Fatehabad, Haryana, India
- Built the "Overlook" Android application serving as the company's mobile homepage with dynamic content and navigation.
- Developed a VR application for the "vrmirazh.com" ed-tech platform, enabling immersive learning experiences on Android devices.
- Collaborated with the CTO and design team to translate wireframes into responsive Android layouts and interactive UI components.
My Projects
Freelance (Remote: Offsite)
Dec 2025 – Present (Part Time)
A comprehensive peanut delivery platform serving over 50,000+ monthly active users with high reliability and performance.
- Built with Next.js frontend and NestJS backend in a modular monolith architecture deployed on GCP
- Integrated Easebuzz payment gateway with hash-based verification, webhook callbacks, and automated payment reconciliation
- Designed a multi-tier coupon & discount engine supporting influencer affiliates, loyalty rewards, first-order offers, and user-specific promotions with full analytics
- Implemented smart carrier selection via Shipmozo across Delhivery, XpressBees, DTDC, and Ekart with state-based priority routing and cost optimization
- Built a comprehensive admin panel (React + Vite) for order management, inventory control, influencer commission tracking, coupon analytics, and shipping operations
- PostgreSQL (Prisma ORM) for transactional data, Redis (Bull queues) for async job processing, and OpenTelemetry for observability
Freelance (Remote: Offsite)
Oct 2025 – Present (Part Time)
An end-to-end travel management platform serving both retail customers and travel agency partners with integrated booking capabilities across multiple travel services.
- Developed using Next.js for responsive frontend and NestJS backend with PostgreSQL database
- Implemented RESTful APIs with third-party integrations for real-time travel data and booking confirmations
- Flight Booking System with real-time flight search, price comparison, and instant booking
- Hotel Reservations with property listings, availability checks, room selection, and secure booking workflow
- Travel Insurance integration with providers offering coverage options during checkout
- Dual User Types: Separate portals for retail customers (B2C) and travel agencies (B2B) with customized pricing and commission structures
RecruitCRM
End Users (Remote: Offsite)
Sep 2025 – Nov 2025 (Full Time)
A microservice-based system for customer relationship management integrating with other applications.
- Connects multiple Gmail accounts using Google Pub/Sub API for real-time inbox updates
- Automated email subscription management and communication tracking
- Built with NestJS microservices implementing rate limiting and request debouncing for API quota management
- Integrates Recall.ai for real-time call recording and AI-powered transcription
- Multi-account Gmail integration with OAuth authentication
- Automated inbox monitoring, intelligent rate limiting, AI-powered call transcription
- Deployed using Docker and automated CI/CD pipelines in Google Cloud Console
RecruitSage
End Users (Remote: Offsite)
Apr 2025 – Sep 2025 (Full Time)
A full-stack placement management SaaS platform for campus recruitment workflows serving 17,000+ students across universities.
- Multi-tenant architecture using PostgreSQL row-level security policies for complete data isolation
- Backend uses NestJS microservices and Supabase Edge Functions for AI-powered resume analysis with OpenAI
- Bulk eligibility validation, automated email orchestration, and real-time notifications
- Frontend leverages React, TypeScript, shadcn/ui, and Tailwind CSS for responsive UI
- Automated CI/CD pipelines deploying to Vercel, Netlify, and GCP Cloud Run
- Monitoring via Sentry and PostHog with OAuth authentication
- Strategic caching with Redis and React Query for sub-200ms performance
Hedging Calculator
Personal Project
Nov 2024 – Dec 2024 (Full Time)
A financial tool that helps users optimize investment portfolios and minimize risks.
- Users can input their portfolio value or choose from: Suggested Portfolio, Nifty-Fifty, or Auto Allocation
- Suggested Portfolio: Expert-recommended allocation
- Nifty-Fifty: Equal distribution across 50 Nifty assets
- Auto Allocation: Divides total investment equally among 50 assets
- Provides tailored hedging strategies to reduce risks, especially during low-profit periods
Expenza
Personal Project
Sep 2024 – Oct 2024 (Part Time)
A web application to track and visualize expenses and savings with interactive charts and intuitive card views.
- Integrated secure cloud storage for cross-device data synchronization
- Added features like tagging, searching, and sorting to streamline expense management
- Interactive charts for visualizing spending patterns and savings goals
CodeFlow
Personal Project
Jun 2024 – Jan 2025 (Part Time)
A fully socket-driven real-time collaborative code editor designed to support multiple programming languages with integrated live code compilation.
- Built for high-performance, enabling multiple users to collaborate on code simultaneously with minimal latency
- Secure user authentication for controlled access
- Multi-language support with runtime environments for instant feedback
- Simplified UI/UX focused on usability and productivity
- Serves as a complete solution for online technical meetings, combining collaboration, code execution, and communication
Twain Lab LLP (Offsite)
Jun 2020 – Oct 2020 (Full Time)
An Android application that consolidates all social media platforms into one app, eliminating the need for multiple installations and saving phone storage.
- Incognito browsing with session-based history deletion, ensuring privacy by clearing all data upon app closure
- Published on Google Play Store
Get In Touch
Whether you want to discuss a freelance project, have a casual conversation, sponsor me a cup of coffee for my work, or simply share your honest feedback — my inbox is always open.
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Designed & built with passion and a lot of coffee.