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 Leena AI
Software Development Engineer 3
2025 — Now
Pocketpills
Software Development Engineer 2
2021 — 2025
Delhi Technological University
B.Tech, Computer Engineering
2018 — 2022
Five years across real-time systems, web architecture and mobile delivery.
Languages TypeScript TypeScriptJavaScript JavaScriptOpenJDK JavaC++ C/C++HTML5 HTMLCSS CSS/SCSS SQLFrameworks React ReactNext.js Next.jsReact React NativeAngular AngularNode.js Node.jsExpress ExpressArchitecture Microfrontends MicroservicesTurborepo Turborepo Server-driven UIRedux Redux, Redux Toolkit, ZustandGraphQL REST, BFF, GraphQL SSE, WebSockets, pollingCloud & DevOps AWSCloudflare CloudflareDocker DockerNGINX NGINXJenkins JenkinsVercel VercelSelected 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 → user.message tool.callsearch_knowledge tool.result token.stream message.complete
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 → EAS Build EAS UpdateOTA rollout hotfix
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 →
CallKit ConnectionService Retell SDK
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 → One monorepo, isolated CI/CD.
lower infrastructure cost 60%
GTMetrix grade D → A
higher search ranking 40% Technologies TypeScript TypeScriptReact ReactNext.js Next.jsReact React NativeNode.js Node.jsAngular Angular WebSocketsGraphQL GraphQL AWSDocker DockerRedis RedisMongoDB MongoDBExpo ExpoVite ViteNGINX NGINXJest JestSentry SentryGrafana GrafanaTypeScript TypeScriptReact ReactNext.js Next.jsReact React NativeNode.js Node.jsAngular Angular WebSocketsGraphQL GraphQL AWSDocker DockerRedis RedisMongoDB MongoDBExpo ExpoVite ViteNGINX NGINXJest JestSentry SentryGrafana GrafanaSee how I use them →
An iPhone or iPad as a trackpad, air pointer and presenter remote for the Mac.
An AI-powered pregnancy and maternal health companion.
Let’s talk. Email works best. Open to conversations about engineering challenges, architecture decisions and opportunities to build at scale.