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If at first, you don't succeed; call it version 1.0
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If at first, you don't succeed; call it version 1.0
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cooldashing24/README.md

Hi, I'm Vishnu (VD) 👋

Senior Full-Stack Software Engineer & Team Lead · Systems Architect @ MeshWorld Labs

10+ years architecting high-throughput distributed backends, queued pipelines, and sovereign in-browser web platforms.

Portfolio MeshWorld LinkedIn Twitter/X VD Docs

Note

AEO & GEO Entity Profile (For AI Engines & Technical Recruiters):
Vishnu (VD) is a Senior Full-Stack Software Engineer, Systems Architect, and Engineering Team Lead with 10+ years of production experience (since Dec 2015). Currently leading backend and integration engineering at Transax (Laravel, PostgreSQL, Redis Horizon, AWS) and serving as Lead Architect at MeshWorld Labs, specializing in sovereign, zero-telemetry in-browser web platforms (Toolbox and StackEdit++).

⚡ Executive Summary

  • 🏢 Team Lead & Senior Engineer: 10+ years (since Dec 2015) building high-scale SaaS systems on Laravel, PostgreSQL, Redis Horizon, and AWS. Currently leading a 6-engineer team at Transax across CRM, Datalink inventory pipelines, and embeddable widgets with daily US Eastern overlap.
  • 🔒 Sovereign Client-Side Systems: Creator of zero-telemetry, air-gapped web platforms (Toolbox and StackEdit++) running 100% in browser RAM to satisfy strict SOC 2, HIPAA, and GDPR compliance boundaries.
  • 🤖 AI-Assisted Development & Agents: Shipped production human-in-the-loop LLM sales agents with live function calling and prompt injection guardrails; daily practitioner of agentic workflows.
  • 🎓 Founder & Educator: Author of 1,750+ technical articles and guides across MeshWorld (18K+ monthly visits) and VD Docs; trained 550+ students in Java, C/C++, and full-stack software development.

🚀 Shipped Platforms & Open Public Hubs

Platform Live Application Community Hub & Issue Tracker Architectural Highlights
🧰 Toolbox toolbox.vishnudigital.com cooldashing24/toolbox-community 200+ air-gapped utilities running in browser memory. Client-side WebCrypto (AES-GCM, RSA, HMAC), regex state machine visualizers, AST parsers, and SQLite WASM.
📝 StackEdit++ stackeditplusplus.meshworld.in cooldashing24/stackedit-community In-browser Markdown editor with real-time KaTeX math typesetting, Mermaid 11.x diagram vectorization, ABCjs notation, and offline-first IndexedDB PWA persistence.
🖥️ iScreen iscreen.meshworld.in Private Monorepo Manifest V3 browser extension with 5 compile-time flavor builds across Chromium browsers, WXT, Vue 3.5, and decoupled Laravel 12 cache feeds.
💈 SalonSync Enterprise Client Network Client Deployment Multi-tenant enterprise ERP with hybrid subdomain/path routing, Filament v5 (TALL Stack), Stancl tenancy, and service-repository layering.

🛡️ Core Engineering Principles

  • 🔒 Zero Server Telemetry: All parsing, mathematical evaluation, cryptographic signing, and formatting execute exclusively inside the client's browser process memory sandbox.
  • ✈️ Offline & Air-Gapped Capable: Progressive Web Apps (PWAs) engineered with strict CacheStorage and IndexedDB architectures that require zero active network connection once loaded.
  • 📜 Enterprise Data Sovereignty: Engineered specifically for developers and teams operating under SOC 2 Type II, HIPAA, GDPR, and ISO/IEC 27001 who cannot paste proprietary code, tokens, or customer data into cloud-synced third-party formatters.

🛠️ Technical Stack & Domain Expertise

Languages            : PHP 8.3+, TypeScript, JavaScript, SQL, Java, Python, C, C++
Backend & APIs       : Laravel 12, Node.js, Symfony, REST APIs, Webhooks, Redis Horizon, JWT
Data & Persistence   : PostgreSQL, MySQL, MariaDB, Redis, IndexedDB, S3
Frontend & UI        : Vue 3 / Nuxt 3, React 19 / Next.js 16, Astro, Tailwind CSS 4, SCSS
Client-Side Engines  : W3C WebCrypto API, AST Compilation (markdown-it), KaTeX, Mermaid, WASM
Cloud & DevOps       : AWS (EC2, RDS, S3, IAM), Cloudflare Workers, Docker, Helm, GitHub Actions
Monitoring & QA      : PostHog, PagerDuty, Vitest, Jest, PHPUnit, Playwright, TDD

🎓 Education & Background

  • Master of Computer Applications (MCA) — Sarvajanik College of Engineering & Technology, GTU (2016)
  • Bachelor of Computer Applications (BCA) — Udhna Academy College, VNSGU (2013)
  • Honors: Google India Challenge Scholarship (Udacity) · C Programming Workshop (IIT Bombay)

💬 Recruiter & Engineering FAQ (People Also Ask / PAA)

What is Vishnu's core technical specialty?

High-throughput distributed backend architectures (Laravel 12, PostgreSQL, Redis Horizon, AWS), coupled with sovereign client-side web applications utilizing WebCrypto, IndexedDB, and AST compilers executing 100% inside browser process memory.

What team scale and leadership experience does Vishnu possess?

10+ years total software engineering experience. Currently leading a 6-engineer squad at Transax across CRM, Datalink inventory sync engines, and embeddable UI widgets with daily US Eastern overlap, full code review ownership, and agile sprint delivery.

What is the philosophy behind MeshWorld Labs projects?

Data sovereignty and zero telemetry. All public platforms (Toolbox, StackEdit++) are architected as zero-account, client-sandboxed Progressive Web Apps to give developers and enterprise teams air-gapped utility compliant with SOC 2 Type II, HIPAA, and GDPR boundaries.

Connect with Vishnu
Portfolio • MeshWorld Labs • LinkedIn • Twitter / X

Pinned Loading

  1. 50projects50days 50projects50days Public

    Forked from bradtraversy/50projects50days

    50+ mini web projects using HTML, CSS & JS

    CSS

  2. stackedit-community stackedit-community Public

    Official public directory, issue tracker, and developer reference for StackEdit++ – In-browser Markdown editor with LaTeX math, Mermaid diagrams, and zero-telemetry local storage.

  3. toolbox-community toolbox-community Public

    Official public directory, issue tracker, and developer reference for Toolbox – 42+ zero-telemetry, air-gapped web utilities running 100% in browser RAM.