Portfolio
I build
I am Krish Mittal, a B.Tech student at Delhi Technological University. I build practical full-stack products across real-time systems, collaboration tools, and coding platforms.
- 5+
- Projects shipped
- 1461
- Codeforces peak
- Top 3
- Hackathon finish
Current Focus
krish.dev
$ shipping real-time systems
> Next.js + React + Node.js + FastAPI
> clean UI, strong backend, production mindset
Selected Projects
Work that reflects my current strengths most clearly.
012026
CodeCoach AI
AI desktop coding assistantA Windows-first, consent-led desktop AI assistant that captures a chosen window on demand and returns explanations and code inside a compact overlay HUD, backed by a Next.js web portal for accounts and downloads.
- Built a native WPF + WebView2 desktop shell with global hotkeys, tray, native window capture, and stealth overlay options
- Engineered a Python backend with Supabase Auth JWT verification, a cloud RAG knowledge vault, and per-launch auth tokens
- Added Live Call Assist with Deepgram STT captions, a Gemini-powered coach for DSA, Web Dev, and General help, plus a Next.js and Supabase portal with pricing and downloads
022026
CodeArena
Competitive coding platformA real-time competitive coding platform with 1v1 battles, practice problems, live matchmaking, and WebSocket-based match flow.
- Engineered with Next.js, FastAPI, PostgreSQL, Redis, Docker, and WebSockets
- Built an online judge for C++, Python, Java, and JavaScript with verdict tracking
- Integrated JWT authentication, email OTP login, user stats, and AI-assisted feedback
032026
Aether
Collaborative browser IDEA production-deployed collaborative browser IDE for real-time coding with live editor sync, room collaboration, and persistent workspaces.
- Designed a secure Next.js and FastAPI architecture with Socket.IO, PostgreSQL, Redis, and Docker Compose
- Integrated Monaco Editor with tabs, file explorer, syntax highlighting, autosave, and AI coding help
- Deployed on a VPS with HTTPS, custom domains, and scalable backend services
042026
DeadStream
AI social simulation engineA synthetic social network where autonomous AI agents post, argue, form communities, remember interactions, and evolve opinions in real time.
- Built with Next.js 15, FastAPI, PostgreSQL with pgvector, Redis, Socket.IO, Docker, and Tailwind CSS
- Designed 20+ autonomous agent personas with memory, opinion drift, scheduling, relationships, and realtime activity
- Added production-grade architecture with event streams, admin controls, monitoring, CI/CD, migrations, and deployment hardening
About
Building through practical systems and product thinking.
My work is centered around coding platforms, collaborative developer tools, backend systems, and clean user experiences. I prefer products that are technically strong and useful in practice.
EducationDelhi Technological UniversityB.Tech, 2024–2028
Languages
C++PythonJavaScriptC
Frameworks
Next.jsReact.jsFastAPINode.jsTailwind CSS
Infrastructure
PostgreSQLRedisDockerSocket.IOWebSocketsGit
Deployment
VercelAzure VMRender
Achievements
- 01Top 3 in Sustainability Track, Decavation 2026
- 02Top 5 in Hack BVP 7.0 among 500+ teams
- 03Codeforces Specialist with max rating 1461
- 04Completed Deloitte Technology Job Simulation on Forage
Get in touch
Let’s build something
worth shipping.
Open to internships, collaborations, and meaningful product work.