Muntasir Mallik

Full Stack AI Engineer

Tech Lead @ XyRo AI

I build AI agent powered products end to end, from RAG pipelines and LLM workflows to polished cross-platform web and mobile apps, shipped to thousands of users.

muntasir mallik
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Details
Inbo.club

AI email/newsletter client

Android

iOS

React Native

Next.js

Details
inPay

Feature-Rich Global Payments Hub

Next.js

Express.js

Azure

Docker

Details
HerShield

Emergency Alert on AI Trigger

React Native

Azure

Expo

TensorFlow

Details
HelioTask

Kan-ban based Task Management

Next.js

MongoDB

Nest.js

Django

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Aug 2025 - Present

Google

XyRo AI

Tech Lead & Founding AI Engineer

Remote, Pune, India

  • Building an AI agent powered lead generation product with contact discovery and enrichment.
  • Implemented Outlook and Gmail drafting with file attachments and templates.
  • Set up scheduled jobs to refresh and expand lead lists, and managed multi-threading and concurrency in Python to improve throughput and reliability.
  • Engineered workspace management with role-based and delegated permissions access control.
  • Delivered web app features in Next.js with authentication and sessions using Clerk.
  • Handled AWS deployments for services and storage.

Jan 2025 - Aug 2025

Google

QuokkaForGood.com

Full Stack Developer

Remote, United States

  • Built and scaled a cross-platform newsletter/email reader for web and mobile using Next.js and React Native, serving 10,000+ users.
  • Engineered email infrastructure using Postfix, Amazon SES, and Gmail API, processing 200,000+ emails/month.
  • Designed and deployed serverless pipelines with Azure Functions, Blob Storage, and Azure Files.
  • Delivered streaming response experience for newsletter previews with incremental content loading, improving engagement by ~35% and reducing bounce rate by ~20%.
  • Built memory-efficient Docker containers and modular services to reduce infrastructure costs by 30% across AWS, Azure, and DigitalOcean.
  • Added system monitoring and health checks to improve production stability.
  • Created a B2B chat-driven platform for newsletter ownership transfers with polling-based messaging features.

Mar 2025 - May 2025

GoogleGoogle

AOSSIE.org

Contributor, Google Summer Of Code

Remote, Australia

  • Participated in initial architecture planning for the Devr.AI project with 5+ contributors.
  • Defined event-driven system design, LLM workflows, and modular structure.
  • Built a Retrieval-Augmented Generation (RAG) module integrating LLM responses with vector-based document search.
  • Developed real-time messaging and video systems using WebSocket and WebRTC.
  • Migrated the project from Vite JavaScript to TypeScript and improved setup documentation
  • Improved UI interactions and revamped a nested comment system.
  • Integrated Docker to reduce development environment setup time by ~50%.
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Languages

Programming languages I am well versed with.

Typescript

Javascript

C

C++

Python

Go

Java

Backend

Efficiently architecting servers and databases with these.

Express.js

Nest.js

FastAPI

Flask

Django

PostgreSQL

MongoDB

Frontend

Tools I use to craft beautiful and responsive applications.

React.js

Next.js

React Native

Tailwind

Shadcn/ui

Clouds

Cloud platforms I have experience with.

AWS

Azure

GCP

Vercel

Docker

CI/CD

Others

Additional skills.

Jest

Pytest

Socket.IO

Git

OpenAI Agents

Langchain

RAG

 
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