STATUS: ONLINE
Senior Full-Stack Engineer & UI Architect Kathmandu, Nepal (Open to Remote Worldwide)

Aayush Karna

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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.

CORE_SPECS.LOGv2.4.0
2
Browser Bugs Resolved
5+
Years Experience
24+
Projects Delivered
99/100
Lighthouse Avg Score
FRAMEWORK:Astro 5 + React
🟢 Open for Senior Engineering & Tech Lead Roles
WORK_HISTORY_ & _COMPANIES.LOG

Companies & Experience

Track record of building software systems and leading engineering teams across tech companies.

Matrix LabsFull-Time

Senior Full-Stack Engineer

2024 — PRESENT Remote / San Francisco

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.
TECH STACK:AstroReactTypeScriptMonaco EditorTailwind CSSDockerNode.js
Pulse SystemsFull-Time

Lead Frontend Engineer

2022 — 2024 Remote / Singapore

Spearheaded the design system and interactive telemetry dashboard for real-time analytics data pipelines.

TECH STACK:Next.jsReactTypeScriptTailwind CSSChart.jsFramer MotionRedis
HyperDrive LabsFull-Time

Full-Stack Software Engineer

2021 — 2022 Hybrid / Kathmandu

Built high-throughput headless e-commerce storefronts and custom checkout integrations.

TECH STACK:ReactTypeScriptShopify APIStripeGraphQLTailwind CSS
CyberStack IncInternship

Frontend Developer Intern

2020 — 2021 Kathmandu, Nepal

Collaborated on web application interfaces, responsive UI components, and API integration modules.

TECH STACK:JavaScriptReactHTML5CSS3REST APIsGit
BROWSER_ENGINE_RESEARCH.LOG

Accepted Browser Engine Bugs

Discovered, reported, and resolved core web standard bugs accepted by Google Chromium & Mozilla Firefox teams.

Chromium EngineGoogle / Chromium Project
Accepted & Resolved

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.

Resolution & Impact:

Accepted by Google Chromium engineers (Issue #40263649) and merged into upstream web platform specifications & Chromium engine releases.

Firefox EngineMozilla Firefox / Gecko Engine
Accepted & Resolved

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.

Resolution & Impact:

Accepted by Mozilla Bugzilla team (Bug #1881419), leading to an official patch in Firefox Gecko event dispatch pipeline.

MARKDOWN_PROJECT_COLLECTION.MD

Featured Projects

Handcrafted applications, open-source dev tools & full-stack systems documented via Markdown.

DevMatrix Cloud IDE
Matrix Labs

DevMatrix Cloud IDE

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

AstroReactTypeScriptMonaco EditorWebSocketsDockerTailwind CSS
Restaurant Management & Online Ordering System
Multiple Live Clients

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.

PHPMySQLVanilla JavaScriptGoogle Places APIGoogle Distance Matrix APISendGridPrintNodeClickSendStripePayPalSquareCloverAuthorize.NetMiCamp
Yeti Restaurant - Mobile Food Ordering App (iOS & Android)
Yeti Restaurant (Davis, CA)

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.

React NativeExpo SDK 56Expo RouterTypeScriptTanStack QueryExpo FileSystemReanimated 4AsyncStorageReact Native Safe Area ContextREST API
PulseMetrics Analytics Engine
Pulse Systems

PulseMetrics Analytics Engine

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

Next.jsClickHouseTailwind CSSChart.jsGoRedisFramer Motion
HyperDrive Neo Store
HyperDrive Labs

HyperDrive Neo Store

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

AstroShopify Storefront APITailwind CSSReactFramer MotionStripe
CyberLog Dev Console
CyberStack Inc

CyberLog Dev Console

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

ReactRustTailwind CSSWebSocketsFramer MotionZustand
NeuralQuery AI Engine
DataMind AI

NeuralQuery AI Engine

Natural language database querying interface that translates user prompts into optimized SQL and MongoDB aggregations.

PythonFastAPIAstroReactTailwind CSSOpenAI APIPostgreSQL
SKILL_MATRIX_ & _PROFICIENCY.JSON

Technical Skills

Core technologies, languages, frameworks, and architecture tools I use daily.

AstroPrimary
Frontend & UI3 yrs
Proficiency:95%
React / React NativeExpert
Frontend & UI5 yrs
Proficiency:98%
TypeScriptExpert
Frontend & UI4 yrs
Proficiency:95%
Next.js
Frontend & UI4 yrs
Proficiency:92%
Tailwind CSSExpert
Frontend & UI4 yrs
Proficiency:98%
Framer MotionAnimation
Frontend & UI3 yrs
Proficiency:90%
Vue.js
Frontend & UI2 yrs
Proficiency:80%
State Management (Zustand/Redux)
Frontend & UI4 yrs
Proficiency:92%
Node.js / Express
Backend & Cloud5 yrs
Proficiency:92%
Python / FastAPI
Backend & Cloud3 yrs
Proficiency:88%
PostgreSQL / SQL
Backend & Cloud4 yrs
Proficiency:90%
MongoDB
Backend & Cloud3 yrs
Proficiency:85%
Redis
Backend & Cloud2 yrs
Proficiency:82%
GraphQL & REST APIs
Backend & Cloud4 yrs
Proficiency:94%
Docker & Containerization
Backend & Cloud3 yrs
Proficiency:85%
AWS / Cloudflare Workers
Backend & Cloud3 yrs
Proficiency:84%
System Architecture
Tools & Architecture4 yrs
Proficiency:90%
Vite / Webpack
Tools & Architecture4 yrs
Proficiency:92%
Git & GitHub Actions
Tools & Architecture5 yrs
Proficiency:95%
Jest / Vitest / Playwright
Tools & Architecture3 yrs
Proficiency:88%
Monaco Editor / LSP
Tools & Architecture2 yrs
Proficiency:86%
Monorepo (Turborepo/Nx)
Tools & Architecture2 yrs
Proficiency:85%
ACADEMIC_CREDENTIALS & _CERTIFICATIONS

Education & Certifications

Formal Computer Science degree from Kathmandu University and continuous professional certifications.

2017 — 2021First Class Honors Dhulikhel, Nepal

B.Sc. in Computer Science

Kathmandu University

Graduated with First Class Honors in Computer Science. Focused on Software Architecture, Web Application Development, Operating Systems, Database Management, and Compiler Design.

Academic Distinction & Accomplishments:
  • 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:

Data Structures & AlgorithmsWeb Technologies & FrameworksDatabase Management SystemsSoftware Engineering & Design PatternsDistributed SystemsOperating SystemsObject-Oriented Programming
INSTITUTION ID:KU_CS_2021

Online Certifications & Training

Specialized courses completed on Udemy, AWS, and modern developer learning platforms.

UdemyDr. Angela Yu (App Brewery)

The Complete 2025 Web Development Bootcamp

SKILLS & TECHNOLOGIES LEARNED:
HTML5/CSS3JavaScript ES6+ReactNode.jsExpressPostgreSQLRESTful APIs
UdemyJonas Schmedtmann

Ultimate React & Next.js Masterclass

SKILLS & TECHNOLOGIES LEARNED:
React 19Next.js App RouterServer ComponentsZustand / Redux ToolkitSSR & SSG
UdemyStephane Maarek

AWS Certified Developer – Associate Prep

SKILLS & TECHNOLOGIES LEARNED:
AWS LambdaDynamoDBS3CloudFront CDNAPI GatewayDocker Containerization
UdemyStephen Grider

Node.js: Advanced Concepts & Microservices

SKILLS & TECHNOLOGIES LEARNED:
Event Loop ArchitectureRedis CachingWorker ThreadsNATS StreamingDocker & Kubernetes
DIRECT_COMMUNICATION_PORT.SEND

Get In Touch

Have a project in mind, a senior role opening, or want to collaborate? Send a message directly.

Direct Email Address

LOCATION
Kathmandu, Nepal (Open to Remote Worldwide)
TYPICAL RESPONSE TIME
Within 24 Hours

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