Quick Facts
My story
A Software Engineer (Frontend) specializing in React, with professional experience in building scalable, user-focused web applications. Currently, I work at an adtech startup, developing features used by major agencies like Hyundai, Jeep, Citroën, LimeRoad, and VW, while enhancing engagement through AI-driven solutions. I’ve also solved 1000+ coding problems and achieved notable milestones in competitive programming.
Experience
Tech Stack
Product Led Growth Flows
Improved campaign management journeys and reduced flow friction in production.
Founding Member at OsmosX
Built onboarding experiences for retailers managing campaigns and reporting.
Instagrep Open-Source Release
Shipped a sparse n-gram indexed regex search tool with CLI + MCP support.
instagrep: Instant Grep
instagrep is a high-performance open-source reimplementation of Cursor's Instant Grep. It builds a sparse n-gram inverted index, prunes to a tiny candidate set, and runs regex only where needed for reliable low-latency search.
Sparse n-gram inverted index with disk-backed postings and mmap lookups
ripgrep-compatible CLI with 50+ flags for practical drop-in usage
Built-in MCP server so AI coding tools can call fast indexed search directly
Cross-platform support across Linux, macOS, and Windows
Install
cargo install --git https://github.com/thestarharsh/instagrep --features mcpinstagrep setupFeatured Work
Selected projects that combine product thinking, polished UI, and scalable implementation.
NewTube: A Video Streaming Platform
Developed a full-stack video platform inspired by YouTube with home feed, watch page, creator studio, subscriptions, nested comments, watch history, and search suggestions. Implemented authenticated creator workflows, Mux-powered upload/playback pipeline, typed APIs with tRPC, and scalable data modeling with Drizzle ORM. Added responsive category and trending discovery flows, robust video visibility controls, and polished UX states for loading, empty results, and creator interactions.
Slide: An Instagram Chat Automation Platform
Developed a platform to automate Instagram interactions with Comment and DM triggers. Engineered AI-driven chat models that dynamically generate replies, increasing engagement by up to 300%. Added subscription-based AI automation at ₹999/month and integrated Razorpay for secure, seamless payments. Real-time slide presentation functionality also included, allowing collaborative content creation and sharing.
Gitsync AI: GitHub & Audio Analyzer
Built a platform to analyze GitHub repositories and answer developer queries using AI. Stored repository files as vector embeddings for fast retrieval, provided AI-powered summaries of recent commits, and integrated Assembly AI to process audio files and generate meeting notes. Razorpay implemented for credit-based usage (1 file = 1 credit).
Certifications
2 certifications completed across software engineering and security domains.
- G
Goldman Sachs Software Engineering Simulation
Virtual
Conducted IT security assessment at Goldman Sachs, identifying outdated password hashing vulnerabilities. Cracked weak passwords using Hashcat software and proposed stronger hashing algorithms like bcrypt or Argon2 with salting. Drafted comprehensive security recommendations and implemented actionable IT security improvements. - J
JP Morgan Chase Software Engineering Simulation
Virtual
Configured secure development environment for Python3 and resolved repository conflicts. Built real-time financial dashboard using JPMorgan Chase Perspective library for live graph visualization. Utilized GitHub for version control and collaboration in an enterprise environment.
Let's build something
One clear next step. Reach out and we can discuss your product, team, and roadmap.
Contact Harsh