Aayush Karna
I specialize in building ultra-responsive, accessible, and scalable web apps using Astro, React, TypeScript, and modern cloud infrastructures. Discovered and reported accepted browser engine bugs in Chromium and Firefox.
Companies & Experience
Track record of building software systems and leading engineering teams across tech companies.
Senior Full-Stack Engineer
Leading the core frontend architecture and cloud developer tooling platform. Engineered real-time web IDE modules used by over 50,000 active developers.
- Architected Astro + React micro-frontend suite, cutting bundle size by 40%.
- Mentored a team of 6 engineers across frontend, state management, and CI/CD pipelines.
- Implemented WebSocket streaming engine with zero-latency buffer management.
Lead Frontend Engineer
Spearheaded the design system and interactive telemetry dashboard for real-time analytics data pipelines.
Full-Stack Software Engineer
Built high-throughput headless e-commerce storefronts and custom checkout integrations.
Frontend Developer Intern
Collaborated on web application interfaces, responsive UI components, and API integration modules.
Accepted Browser Engine Bugs
Discovered, reported, and resolved core web standard bugs accepted by Google Chromium & Mozilla Firefox teams.
AbortSignal.timeout in Fetch Request Error Type Mismatch
Discovered an engine implementation bug where AbortSignal.timeout fetch requests incorrectly threw generic AbortError instead of standard TimeoutError in Google Chrome.
Accepted by Google Chromium engineers (Issue #40263649) and merged into upstream web platform specifications & Chromium engine releases.
Programmatic Date Input Change Event Loop
Identified and reported a DOM event handler bug in Firefox Gecko engine where programmatically mutating a date input value inside a change event triggered duplicate/infinite event cycles.
Accepted by Mozilla Bugzilla team (Bug #1881419), leading to an official patch in Firefox Gecko event dispatch pipeline.
Featured Projects
Handcrafted applications, open-source dev tools & full-stack systems documented via Markdown.

DevMatrix Cloud IDE
A zero-latency web-based development environment featuring live code evaluation, terminal integration, and real-time collaborative editing.

Restaurant Management & Online Ordering System
An online ordering platform built for restaurants, supporting dynamic menu customization, configurable delivery rules, multiple payment providers, automated notifications, kitchen receipt printing, and day-to-day business management through a comprehensive admin dashboard.
Yeti Restaurant - Mobile Food Ordering App (iOS & Android)
A cross-platform mobile food ordering application for Yeti Restaurant in Davis, CA, built with Expo SDK 56, Expo Router, React Native, and TanStack Query. Features dynamic menu modifiers, offline query persistence, address autofill, timezone-aware order scheduling, and seamless payment checkout.

PulseMetrics Analytics Engine
Real-time web & server analytics platform delivering instant telemetry, custom event funnel visualization, and anomaly alerts.

HyperDrive Neo Store
A head-turning headless e-commerce store with neo-brutalist aesthetics, instant cart mutations, and lightning-fast edge rendering.

CyberLog Dev Console
A high-throughput log aggregator and real-time terminal inspector for microservices and cloud deployments.

NeuralQuery AI Engine
Natural language database querying interface that translates user prompts into optimized SQL and MongoDB aggregations.
Technical Skills
Core technologies, languages, frameworks, and architecture tools I use daily.
Education & Certifications
Formal Computer Science degree from Kathmandu University and continuous professional certifications.
B.Sc. in Computer Science
Graduated with First Class Honors in Computer Science. Focused on Software Architecture, Web Application Development, Operating Systems, Database Management, and Compiler Design.
- ✓Graduated First Class with Honors in Computer Science.
- ✓Led University Hackathon winning team (1st Place out of 40+ engineering teams).
- ✓Published Undergraduate Thesis: 'High-Performance Web Client Acceleration via Predictive Asset Streaming'.
- ✓Active Executive Member of KU Computer Club (KUCC), organizing tech workshops & coding bootcamps.
Core Engineering Curriculum
Rigorous coursework in core computer science, software architecture, algorithm complexity, and systems:
Online Certifications & Training
Specialized courses completed on Udemy, AWS, and modern developer learning platforms.
The Complete 2025 Web Development Bootcamp
Ultimate React & Next.js Masterclass
AWS Certified Developer – Associate Prep
Node.js: Advanced Concepts & Microservices
Get In Touch
Have a project in mind, a senior role opening, or want to collaborate? Send a message directly.