React Native Developer & SDE•May 2026 – Present
Texto Automation Engine
WhatsApp Business API SaaS Platform & Chatbot Flow Builder
Engineered core communication modules for Texto, a high-concurrency SaaS platform tailored for Indian businesses. Automated WhatsApp customer engagement via drag-and-drop chatbot flow builders, live lead pipelines, and scheduled broadcast engines.
Broadcast Throughput
10k+ msgs/min
Redis Queue Worker
Platform Availability
99.9% Uptime
High Concurrency Node.js
Lead Conversion
+45% Growth
Automated Bot Flows
The Technical Problem
Challenge & Bottlenecks
Indian SMBs faced fragmented lead tracking and manual customer messaging over WhatsApp, leading to delayed response times and high drop-off rates during campaign spikes.
The Engineering Solution
Architecture & Design
Architected a multi-tenant Node.js + React SaaS application powered by WhatsApp Business API integration, Redis-backed queue scheduling, and real-time WebSocket dashboard sync.
Project Tech Stack(8 Technologies)
react
nodejs
postgresql
redis
tailwindcss
WebSocket
JavaScript
typescript
Key Engineering Accomplishments
Architected drag-and-drop chatbot flow builder empowering non-technical users to build multi-step conversational funnels.
Engineered Redis broadcast queue manager handling thousands of concurrent message dispatches with automatic retry logic.
Integrated official WhatsApp Business API webhooks with real-time WebSocket status updates on live agent dashboards.
Optimized PostgreSQL index structures and connection pooling to deliver instantaneous query speeds across millions of message logs.