Senior SDE - Conversations
Core
Design, build, and scale backend systems and frontend interfaces for the Threads & Composer experience in HighLevel Conversations, handling billions of messages monthly.
Role type
Senior Full Stack Engineer (Backend focus)
Builds
High-throughput, low-latency messaging infrastructure (SMS, Email, WhatsApp, DMs) and Vue 3 UI layers.
Domain
SaaS / AI-powered business operating system / Distributed Systems
Deliverable
production ML models | product features | infrastructure
Required skills
Node.js, Go, distributed systems design, queueing systems, SQL/NoSQL database optimization, Redis, system observability, AI-assisted engineering, Vue 3
Preferred skills
GCP (GKE, Pub/Sub, Cloud Tasks), MongoDB, Firestore, ClickHouse, ElasticSearch, 0→1 system building
Technologies
Node.js, Go, TypeScript, Vue 3, MongoDB, Firestore, Redis, ElasticSearch, ClickHouse, GCP (GKE, Pub/Sub, Cloud Tasks), Kubernetes, GitHub Actions
Responsibilities
Design and build Node.js/Go services on critical paths; own systems end-to-end including architecture and production health; model and optimize data layers across SQL and NoSQL stores; build queueing, caching, and rate-limiting layers; instrument systems with logs, metrics, and traces; debug production incidents; review code and mentor engineers.
Seniority
Senior, hands-on IC

