WaTheta
Freelance Developer · May 2026 - Jun 2026
Developed messaging backend features for a customer lifecycle management platform, including Meta integrations, conversation automation and routing, WhatsApp coexistence, and real-time inbox events.
More about this engagement
Contributed to the CLM API messaging backend with WhatsApp, Messenger, and Instagram integrations. Implemented inbound event handling and deduplication, keyword-based automation, and agent assignment by skill, department, and priority. Added durable WhatsApp coexistence storage, history synchronization, quoted replies, and conversation SLA timers. Implemented presence and typing events with conversation access checks, and added unit and end-to-end test coverage. The available repository records 47 authored commits from 28 May to 10 June 2026 (UTC+6); these dates describe the verified contribution window rather than contractual employment dates.
Related work
- Meta Graph API
- WhatsApp Cloud API
- Messenger API
- Instagram API
- Meta Conversions API
- TypeScript
- NestJS
- MongoDB
- Mongoose
- Redis
- BullMQ
- Socket.IO
- Zod
- Jest