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Software Engineer · AI Builder · Writer

I'm Umesh Malik. I build intelligent software systems.

From GenAI applications and agentic workflows to enterprise platforms processing millions — I ship AI-powered products backed by 5+ years of production engineering at Expedia Group, Tekion, and BYJU'S.

Experience

5+ years shipping production systems

Teams

3 enterprise environments across travel, auto, and fintech

Projects

8+ project briefs and product builds

Writing

38+ technical articles and playbooks

Large Language Models RAG Pipelines Agentic AI Prompt Engineering Claude OpenAI Vector Databases MCP LangChain Multi-Agent Systems AI-Augmented Dev Autonomous Agents

What I focus on

AI & GenAI Engineering

Building LLM-powered applications, RAG pipelines, and agentic workflows. Turning foundation models into production-grade products.

Shipping AI products with LLMs, RAG, and autonomous agents

Production-Grade Systems

Engineering scalable infrastructure that AI products demand. From $10M payment systems to enterprise workflow platforms — battle-tested at scale.

$10M+ transactions processed with 99.9% uptime

AI-Augmented Development

Pioneering AI-assisted engineering workflows with Claude, Cursor, and custom toolchains. Writing about the future of software development.

10x development velocity with AI-augmented workflows

Selected work

AI Project

AI

AI-Powered RAG SaaS Platform

Full-stack RAG (Retrieval-Augmented Generation) application that lets users upload documents and chat with their data using LLMs. Features vector embeddings, semantic search, and conversational AI with citation-backed responses.

End-to-end GenAI product from embedding to conversational UI

PythonLangChainOpenAIVector DBSvelteKitTypeScript
View project brief →

AI Project

AI

Agentic AI Workflow Engine

Autonomous agent system that breaks complex tasks into sub-tasks, delegates to specialized AI agents, and synthesizes results. Built with tool-use patterns, MCP integration, and human-in-the-loop controls.

Multi-agent orchestration with autonomous task decomposition

TypeScriptClaude APIMCPNode.jsReact
View project brief →

Expedia Group

Workflow Orchestration Platform

Enterprise visual workflow editor with drag-and-drop interface. Led migration from Vue.js to React, establishing new standards for component architecture across the platform. Foundation for AI-driven workflow automation.

3x developer velocity improvement

ReactTypeScriptJestReact Testing Library
View project brief →

Open Source

Retro Portfolio (umesh.OS)

Interactive Windows 95-themed portfolio experience built with Astro 5, React 19, and Three.js. Features a full desktop environment with draggable windows, a terminal, 3D skill galaxy, easter eggs, and CRT effects.

Full interactive desktop experience in the browser

AstroReact 19Three.jsTypeScriptTailwind CSS
View project brief →
View all projects →

By the numbers

5+

Years in Production Engineering

3

Enterprise Companies

$10M+

Transactions at Scale

38+

AI & Tech Articles Published

Technical skills

AI & GenAI

Large Language Models (LLMs)RAG PipelinesAgentic WorkflowsPrompt EngineeringAI-Assisted DevelopmentClaude / OpenAI APIsLangChainVector DatabasesMCP (Model Context Protocol)

Frontend

ReactTypeScriptJavaScript (ES6+)Next.jsSvelteKitVue.jsTailwindCSS

Backend & Data

Node.jsPythonExpress.jsMongoDBPostgreSQLREST APIsGraphQL

DevOps & Infra

GitDockerCI/CDCloudflareViteWebpack

Architecture

System DesignMicrofrontend ArchitecturePerformance OptimizationScalable SystemsAI/ML Pipeline DesignEvent-Driven Architecture

Proven at scale — engineering foundation built at

Expedia Group

2024 - Present

Tekion Corp

2023 - 2024

BYJU'S

2021 - 2023

Experience

June 2024 - Present

Gurugram, Haryana

Software Development Engineer 2

Expedia Group

Core software engineer for enterprise Workflow Orchestration Platform. Led migration from Vue.js to React, built reusable component libraries, and created visual workflow diagram editors.

  • Led Vue.js to React migration improving developer velocity by 3x
  • Built reusable component library accelerating feature development
  • Created visual workflow diagram editor with drag-and-drop interface
  • Comprehensive testing with Jest and React Testing Library

April 2023 - May 2024

Bengaluru, India

Software Engineer

Tekion Corp

Rebuilt Finance & Insurance modules serving thousands of automotive dealerships. Implemented internationalization and accessibility improvements.

  • Rebuilt F&I module serving thousands of dealerships
  • Implemented internationalization enabling product expansion
  • Led accessibility improvements achieving WCAG compliance
  • Conducted code refactoring initiatives improving maintainability

March 2022 - April 2023

Bengaluru, India

Module Lead

BYJU'S (Think & Learn)

Led Order & Payment Validation modules processing $10M+ monthly transactions. Built Pincode Management system handling 19,000+ entries.

  • Led payment validation processing $10M+ monthly transactions
  • Built Pincode Management system with 19,000+ entries
  • Mentored 5+ junior engineers on best practices
  • Achieved 99.9% system uptime

July 2021 - February 2022

Bengaluru, India

Associate Software Engineer

BYJU'S (Think & Learn)

Built Wallet and Bonus Points modules. Recognized as Performer of the Quarter (January 2022).

  • Built Wallet and Bonus Points modules from scratch
  • Recognized as Performer of the Quarter (January 2022)
  • Delivered features ahead of schedule

Collaboration

Let's build something intelligent

Working on an AI product? Exploring GenAI for your team? I'm always up for discussing AI engineering, LLM applications, and building intelligent systems. Let's connect.

AI Products

RAG systems, agent workflows, and GenAI features that need real delivery discipline.

Platform Work

Frontend architecture, developer velocity, and product surfaces that have to scale cleanly.

Advisory

Technical reviews, architecture direction, and practical guidance for teams adopting AI workflows.