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SolarisXD/README.md

Hey, I'm Rahul 👋

Full-stack Developer · Applied AI · Builder · Portfolio · About me . Resume

B.Tech CSE (AI-ML) at VIT Bhopal, graduating July 2026. I build full-stack web apps and ML systems — sometimes separately, increasingly together.

I shipped Hisaab Pro — an offline-first double-entry accounting desktop app — to real clients. I built Skillence with a custom PyTorch model and then replaced the PyTorch serving layer with pure NumPy in production to cut backend crashes to near-zero. I write a lot of tests — Hisaab Pro has 475 Jest tests, not because someone told me to, but because client financial data has no room for silent bugs.


🔨 What I Ship

  • Offline-first desktop apps — Electron, SQLite WAL, AES-256 encryption, atomic writes
  • Full-stack web products — Next.js, React, Node.js, FastAPI, TailwindCSS
  • ML systems for production — PyTorch for training, custom NumPy inference for serving
  • AI-integrated apps — RAG pipelines, Gemini API, Claude, pgvector, Langfuse tracing

🗂️ Highlighted Work

Hisaab Pro — offline-first double-entry accounting desktop app. AES-256 encrypted SQLite, WAL mode, 475 Jest tests, shipped to real clients across 2 product versions.

Skillence — career platform processing 30K+ job postings. Custom PyTorch model, pure NumPy inference layer (~1ms latency), ML salary predictor across 25+ countries, 692-skill × 894-occupation mapping.

SwapHub — campus marketplace for students to buy, sell, donate, and rent items. Express REST APIs, MongoDB, Passport.js auth.

This portfolio — built with Next.js, embedded RAG chatbot using Gemini 1.5 Flash, Supabase pgvector, hybrid search, Langfuse tracing. All free tier.


⚡ Tech Stack

TypeScript JavaScript Python Next.js React Node.js FastAPI SQLite PyTorch Claude Electron Jest


📄 Published Writing

Why I Wrote 475 Tests for a Desktop Accounting Appwhen the books are wrong, the app doesn't crash. It just lies to you.


📊 Stats


🤝 Let's Connect

Portfolio LinkedIn Gmail Medium Dev.to

Open to freelance projects and internships or Jobs. I respond same day. visitor count

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  1. Skillence Skillence Public

    AI-powered platform for career growth, offering personalized recommendations, data insights, and seamless tech integration.

    Python 1

  2. Hisaab-Pro Hisaab-Pro Public

    A professional, offline-first business ledger and accounting system for retail shops. Features double-entry accounting, GST-ready invoicing, payroll, and AES-256 encrypted local SQLite storage.

    JavaScript 1