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AbhishekSinghDev/README.md

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Abhishek Singh

Full Stack Engineer · AI/ML Specialist · System Architecture

LinkedIn · Portfolio · GitHub · Email


About

Full-stack developer with 1+ years of professional experience architecting scalable systems and building production-grade applications. Currently at SK Aggarwal and Co designing Earnex Rewards, a loyalty platform featuring AI-powered receipt verification and sophisticated fraud detection.

Specialization: Monorepo architecture · AI/ML image processing · Real-time systems · Payment integrations

Education:

  • BCA with Minor in ML & AI, Guru Gobind Singh Indraprastha University (CGPA: 8.93)
  • MCA with specialization in Generative AI, SRM Institute of Science and Technology (pursuing)

🎯 Current Impact

Earnex Rewards Platform

  • Architected monorepo ecosystem managing 5 independent applications (admin, brand portal, landing, mobile, server)
  • Engineered receipt verification pipeline with multi-layer fraud detection
  • Built shared package architecture reducing development overhead
  • Led CI/CD infrastructure with GitHub Actions and deployment automation

💻 Tech Stack

Languages: TypeScript · JavaScript · Python · C/C++

Frontend & Mobile: Next.js · React · React Native · Expo · TailwindCSS · shadcn/ui

Backend & Infrastructure: Node.js · Express · tRPC · PostgreSQL · Drizzle ORM · Prisma

DevOps: Turborepo · GitHub Actions · Docker · AWS · Vercel · Inngest


📈 Professional Experience

SK Aggarwal and Co — Full Stack Engineer

September 2024 – Present

Earnex Rewards

  • Designed monorepo architecture with Turborepo, independent application versioning, and shared packages
  • Built receipt verification system integrating Gemini AI for OCR, multi-layer fraud detection, automated decision engine
  • Developed full-stack ecosystem: Next.js web + Expo React Native mobile with device fingerprinting, real-time reward tracking, admin dashboards
  • Established end-to-end CI/CD pipeline with incremental builds, task caching, and Vercel deployment

Nextfly Technologies — Full Stack Developer

August 2023 – August 2024

Scraplo Marketplace

  • Engineered scrap marketplace with region-based pricing and geolocation order assignment (5km radius)
  • Built responsive web app (Next.js) and cross-platform mobile (Expo) with real-time GPS tracking
  • Integrated Razorpay payments, digital wallet system, and multi-stakeholder admin operations

MyDeer Property Platform

  • Implemented real-time chat using Server-Side Events, tRPC, and Prisma
  • Optimized property listing operations with query caching and data synchronization
  • Built approval workflows with role-based permissions and state machine patterns

🏆 Achievements

150+ DSA problems solved · Top 3% (365/12,000) Codestudio Programming Contest · 60,000+ LOC production code


🔗 Links

LinkedIn · GitHub · Portfolio


Building elegant systems that scale

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