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shivasubramaniyam/README.md

Hi, I'm Shiva πŸ‘‹

Software Engineer building web applications, developer tools & decentralized systems.

I build software that solves real problems β€” from production-grade React applications and backend APIs to blockchain integrations, SSI solutions, custom editors, and AI-powered workflows.

I enjoy working where product requirements meet engineering complexity.


⚑ What I Work With

Area Technologies
Frontend React, Next.js, TypeScript, JavaScript
Backend Node.js, Express, REST APIs
Web3 / Identity Blockchain APIs, SSI, Decentralized Identity
AI AI Engineer
Database PostgreSQL, MongoDB, Firebase
Tools Git, GitHub, Docker, Vercel

🧩 What I Build

Production Applications

Building and maintaining scalable web applications and dashboards with React, TypeScript and modern frontend architecture.

Complex Integrations

Working with external APIs, blockchain services and distributed systems where reliability and data consistency matter.

Developer Tools

Building custom editors, reusable components and interactive tools that improve how users create and manage content.

Decentralized Systems

Exploring blockchain and Self-Sovereign Identity (SSI) to build applications around verifiable and decentralized data.

AI & Automation

Experimenting with LLMs, AI agents and automated workflows to solve practical engineering and productivity problems.


πŸ› οΈ Engineering Interests

Frontend Architecture
        ↓
React + TypeScript + Next.js
        ↓
APIs & Backend Systems
        ↓
Blockchain / SSI Integrations
        ↓
AI & Automation

I'm particularly interested in:

  • Scalable frontend architecture
  • API design and integration
  • System design
  • Developer tooling
  • Blockchain & decentralized identity
  • Building reliable production systems

πŸš€ Selected Projects

β›… Weatherly β€” Real-Time Weather Forecast Platform

A production-grade weather application featuring coordinate-based query caching, ⌘K command-palette search, and live atmospheric visualizations.

  • Stack: React 19 TypeScript Vite TanStack Query Tailwind CSS OpenWeatherMap API
  • Engineered a query cache layer with 5-min stale times to eliminate redundant network overhead.
  • Built keyboard-first ⌘K search with geolocation fallbacks, persistent favorites, and zero-flash CSS theming.
  • πŸ”— Live Demo

πŸ›’ Scalable E-Commerce REST API

A production-oriented backend engine designed around transactional integrity and data consistency.

  • Stack: Node.js Express PostgreSQL Prisma ORM Zod JWT
  • Implemented role-based access control (RBAC) and secure JWT authentication lifecycles.
  • Architected atomic checkout operations utilizing PostgreSQL database transactions to prevent race conditions.
  • Built dynamic catalog filtering, inventory validation, and type-safe request parsing with Zod.
  • πŸ”— Live Demo

πŸ‘οΈ AI Real-Time Assistive Navigation System (CIIRC)

Computer vision-powered assistive system built to guide visually impaired individuals through dynamic environments.

  • Stack: Python OpenCV Deep Learning / YOLO pyttsx3
  • Developed an edge-optimized obstacle detection and spatial awareness pipeline.
  • Engineered an asynchronous audio cue engine delivering low-latency directional proximity alerts.

🎨 Canva-Grade Multi-Page Canvas Engine

An advanced, browser-based visual canvas editor for rich media and document generation.

  • Stack: React Fabric.js HTML5 Canvas TypeScript
  • Designed a multi-page canvas architecture with page isolation, duplication, and reordering.
  • Implemented deep undo/redo command history trees and optimized asset state serialization.

🌐 Personal Portfolio

Showcasing interactive experiments, full-stack applications, and technical architecture.

πŸ”¬ Currently Exploring

System Design      β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–‘β–‘β–‘β–‘
Blockchain / SSI   β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–‘β–‘β–‘β–‘β–‘
Developer Tooling  β–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–‘β–‘β–‘β–‘β–‘β–‘

Currently experimenting with how AI, decentralized systems and modern web applications can work together to create useful developer and business tools.


πŸ“ˆ My Engineering Philosophy

Build it. Understand it. Break it. Improve it.

I prefer learning technologies by building with them, understanding the underlying systems, and applying them to real-world problems rather than simply collecting them in a tech stack.


🀝 Let's Connect

GitHub LinkedIn Portfolio


πŸ’‘ A little about how I work

Problem
   ↓
Understand
   ↓
Design
   ↓
Build
   ↓
Test
   ↓
Iterate

I like taking ambiguous problems and turning them into working software.


Building software, one interesting problem at a time.

Popular repositories Loading

  1. Portfolio Portfolio Public

    Shiva's portfolio

    TypeScript 1

  2. E-commerce E-commerce Public

    HTML 1

  3. skills skills Public

    Forked from anthropics/skills

    Public repository for Agent Skills

    Python 1

  4. ds-student_record ds-student_record Public

    C

  5. PayrollManagementSystem_DBMS PayrollManagementSystem_DBMS Public

    PHP

  6. Simple_Calculator-ReactJS Simple_Calculator-ReactJS Public