
CompletedNext.jsExpress.jsRedis+8 more
Sbl.so - AI-Driven Sales Automation Platform
Multi-channel sales automation platform supporting WhatsApp and LinkedIn outreach, AI-selected attachments, audio messaging, and lead nurturing workflows.
Timeline
Oct 2024 - Present
Role
Senior Full Stack Engineer
Team
Second Brain Labs
Status
CompletedTechnology Stack
Next.js
Express.js
Redis
BullMQ
PostgreSQL
AWS ECR
AWS ECS
AWS S3
Docker
Turborepo
GitHub Actions
Key Challenges
- Multi-channel messaging
- AI personalization
- Deployment consolidation
Key Learnings
- Release-based deployment
- Turborepo remote caching
- Scalable automation workflows
Overview
This platform helps businesses automate sales outreach and lead qualification across messaging channels like WhatsApp and LinkedIn. It is built for scale, reliability, and personalized client interactions.
Key Contributions
- Developed and maintained scalable AI-driven sales automation capabilities for 300+ businesses.
- Implemented multi-account connections for each messaging channel, reducing account ban rate by 99%.
- Added support for attachments and audio messaging so AI can select relevant files and voice notes automatically.
- Built lead nurturing workflows such as profile visits, likes, and comments before messaging to improve campaign conversion.
- Migrated multiple microservices into a Turborepo setup with remote caching.
- Introduced release-based deployments for production and development environments using GitHub Actions, Docker, AWS ECR, and AWS ECS.
Tech Stack
The platform uses Next.js, Express.js, Redis, BullMQ, PostgreSQL, AWS ECR/ECS/S3/Secrets Manager, Docker, Turborepo, and GitHub Actions.