Portfolio & Case Studies

Featured Engineering Projects

Production-grade systems, full-stack microservices, real-time pipelines, and AI defect detection models architected and shipped by Saksham Galyan.

Paysecure — IBAN Payment Engine & Portal preview

Paysecure — IBAN Payment Engine & Portal

BackendFull-StackAI/ML

Node.js · NestJS · PostgreSQL · React · TypeScript · ML · AWS

Production-grade IBAN-based payment backend with secure REST APIs, input validation, rate limiting, and an integrated machine learning fraud detection pipeline saving ~$12K/month in chargebacks.

Key Highlights

  • 94.3% precision on ML fraud detection model, preventing 38% of fraudulent attempts.
  • ~$12,000/month saved in chargebacks and illicit dispute costs.
Metalixia — Enterprise Dashboard & Mobile App preview

Metalixia — Enterprise Dashboard & Mobile App

Full-StackMobileBackend

NestJS · PostgreSQL · Flutter · Dart · JWT · Docker

Sole developer for an end-to-end employee management platform — backend APIs, web dashboard, iOS/Android mobile apps, and automated deployment infra with zero downtime since launch.

Key Highlights

  • Built NestJS REST API with RBAC authorization for 6+ distinct organizational roles.
  • Designed normalized PostgreSQL database schema optimized for real-time reporting.
Escorts Kubota — Circlip Defect Detector preview

Escorts Kubota — Circlip Defect Detector

AI/MLBackend

PyTorch · OpenCV · PyQt5 · Mitsubishi PLC · MySQL

Real-time deep learning computer vision model deployed on manufacturing assembly lines at Escorts Kubota, achieving 91.1% mAP and replacing manual QC inspection.

Key Highlights

  • Achieved 91.1% mean Average Precision (mAP) on live assembly line camera feeds.
  • Contributed to ₹3,00,000+ (INR) in saved defect escape costs and labor hours.
School Admin & Real-Time HLS Platform preview

School Admin & Real-Time HLS Platform

Full-StackReal-timeBackend

React · Node.js · Express · MongoDB · Next.js · JWT · FFmpeg · Socket.io

Multi-tenant educational ERP system featuring 4-tier RBAC, 20+ REST APIs, and an in-house FFmpeg HLS real-time video streaming pipeline with Socket.io push alerts.

Key Highlights

  • Engineered 4-tier RBAC system (Admin, Teacher, Student, Parent) securing 20+ endpoints.
  • Built custom video streaming and transcoding pipeline using FFmpeg without third-party fees.