Sagar V

● Open to opportunities · Kerala, India

Sagar V

Senior Product Engineer  /  AI & Security

I build AI-powered products and full-stack systems - from MEAN stack SaaS and data visualisation platforms to mobile apps and dApps. 9+ years across frontend architecture, API design, DB architecture and security research. I've found and responsibly disclosed vulnerabilities in Google, Facebook, and Microsoft.

Security acknowledgements

Google Meta (Facebook) Microsoft

Experience

Founder & Independent Product Engineer

Self · Building in public

Oct 2025 – Present

  • Developing a depth-aware image compositing SaaS (layerize.com) for content creators, designers and photo editors.
  • Full-stack architecture across AI tooling, serverless APIs, and payment integrations.

Senior Software Engineer

Vitara Information Technologies Pvt Ltd.

Aug 2021 – May 2025

  • Built a context-aware AI support chatbot using Anthropic's Model Context Protocol.
  • Prototyped Jarvis — an AI voice assistant that controls chart customisation via speech (OpenAI + Web Speech API).
  • Re-engineered the Vitara Property Editor into a standalone, platform-independent package.
  • Led migration of the core codebase from JavaScript to TypeScript.
  • Built custom Highcharts and D3 chart components integrated into MicroStrategy and ThoughtSpot.
  • Designed and shipped the Vitara Map Layout tool for custom SVG map creation.
  • Built a Slack–Freshdesk integration handling attachments and private/public note creation.

Independent Consultant & Security Researcher

Self-employed

Jan 2018 – Jul 2021

  • Built full-stack products for clients: news portals, business directories, billing apps, and Flutter mobile apps.
  • Active bug bounty researcher — disclosed XSS, CSRF, IDOR, and SQL Injection vulnerabilities to Google, Facebook, and Microsoft.
  • Mentored newcomers in infosec; wrote blog posts on responsible disclosure and security research.

Associate Software Engineer

Hakuna Matata Solutions Pvt Ltd.

Jan 2017 – Oct 2017

  • Built a drag-and-drop static website builder in Angular with zip export for clients.
  • Created interactive Angular web games for a client in the Middle East.
  • Contributed to a full business operations dashboard for a courier company.

Open to new opportunities

Looking for full-time, contract, or consulting work in product engineering and AI development. Available for remote roles globally.

hello@sagarvd.me

Skills

Frontend

Angular TypeScript JavaScript D3.js Highcharts Flutter

Backend

Node.js Express Fastify GraphQL Firebase MongoDB PostgreSQL

AI & Agents

Anthropic API OpenAI API MCP Vector DB

Security

Bug Bounty XSS / CSRF IDOR SQLi

Infrastructure

GCP DigitalOcean CircleCI Github Actions

Projects

Layerize

Depth-aware image compositing web app that splits elements into layers using AI-powered depth estimation.

Node.js GraphQL Depth AI
Layerize.app ↗

Gradual Alarm

A smart alarm app that wakes you up gradually with slowly increasing sound and light, avoiding the jarring shock of a traditional alarm for a more natural wake-up experience.

Kotlin Android
Play Store ↗

Jarvis — AI Voice Assistant

Weekend prototype that lets users customise Vitara Charts by speaking to them. Uses the Web Speech API for recognition and OpenAI for intent parsing.

OpenAI Web Speech API TypeScript
Watch demo on YouTube ↗

Vitara MCP Support Chatbot

Context-aware AI support bot built with Anthropic's Model Context Protocol. Answers product-specific queries without hallucinating off-topic responses.

Anthropic MCP Node.js Vector DB TypeScript

Nammal Online

Full-featured Malayalam news portal with admin panel. Optimised to run at under $5/month on Google Cloud.

Angular 8 Node.js Firebase GraphQL
Visit site ↗

Malayali Hub

Business listing directory for Indian businesses and freelancers in Canada. Full auth, listings, and search.

Angular 12 GraphQL Firebase
Visit site ↗

DigiDeck

Digital visiting card wallet. Shops share a QR code; customers scan to add the card to their collection.

Flutter Node.js Firebase
Play Store ↗

Info

Education

Anna University, Chennai B.E. Computer Science · 2013–2017

Location

Kerala, India · Open to remote