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SDE 3 at Leena AI · Gurugram, India

I’m Devashish. I build agentic AI products and the platforms behind them.

Dusk at Neil Island, Andaman

Where I’ve worked

Five years across real-time systems, web architecture and mobile delivery.

Experience

The stack behind the work.

Full experience
Languages
  • TypeScript
  • JavaScript
  • Java
  • C/C++
  • HTML
  • CSS/SCSS
  • SQL
Frameworks
  • React
  • Next.js
  • React Native
  • Angular
  • Node.js
  • Express
Architecture
  • Microfrontends
  • Microservices
  • Turborepo
  • Server-driven UI
  • Redux, Redux Toolkit, Zustand
  • REST, BFF, GraphQL
  • SSE, WebSockets, polling
Cloud & DevOps
  • AWS
  • Cloudflare
  • Docker
  • NGINX
  • Jenkins
  • Vercel

Selected work

Four systems, shipped at scale.

Leena AI · 2025 — Now

AI Colleagues

A multi-threaded, event-driven agentic AI chat platform. Agents reason, call tools and stream their answers back in real time to around 120,000 people a day.

Case study

Impact

●Shipped
daily active users
~120K
better responsiveness
80%
concurrent sessions
10×

Leena AI · 2025 — Now

Mobile delivery platform

Migrated the mobile delivery platform to React Native 0.84 and Expo, with over-the-air updates and an automated release pipeline.

Case study

Impact

●Shipped
hotfix rollout, down from days
<30 min
better deployment reliability
60%
less operational overhead
70%

Leena AI · 2025 — Now

Real-time Voice AI

A cross-platform, real-time voice system that connects the Retell SDK to each platform’s native calling layer.

Case study

Impact

●Shipped
lower latency
40%
higher engagement
25%

Pocketpills · 2021 — 2025

Microfrontend platform

Re-architected an SSR monolith into a microfrontend monorepo, with rendering chosen per route and every app deployed on its own.

Case study

Impact

●Shipped
lower infrastructure cost
60%
GTMetrix grade
D → A
higher search ranking
40%

Technologies

  • TypeScript
  • React
  • Next.js
  • React Native
  • Node.js
  • Angular
  • WebSockets
  • GraphQL
  • AWS
  • Docker
  • Redis
  • MongoDB
  • Expo
  • Vite
  • NGINX
  • Jest
  • Sentry
  • Grafana

See how I use them

Side projects

All

Let’s talk. Email works best.

Open to conversations about engineering challenges, architecture decisions and opportunities to build at scale.

mail@devashish.cc