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Staff Backend Engineer - Conversations

IndiaIndiaRemoteEmployee Indialead
EngineeringOtherBackend EngineeringStaff Backend Engineer
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Quick Summary

Overview

About HighLevel:HighLevel is an AI-powered business operating system that gives agencies, entrepreneurs and SMBs the infrastructure to build, automate and scale. Today,

Technical Tools
EngineeringOtherBackend EngineeringStaff Backend Engineer
About HighLevel:
HighLevel is an AI-powered business operating system that gives agencies, entrepreneurs and SMBs the infrastructure to build, automate and scale. Today, HighLevel supports SMBs across 150+ countries, fueling community-driven growth rooted in real customer outcomes.
To date, businesses operating on HighLevel have generated over $7 billion in ecosystem value, demonstrating the impact of shared infrastructure at scale. By centralizing conversations, automation and intelligence into one system, we help businesses move faster, reduce complexity and execute efficiently.
Behind the platform, HighLevel powers more than 4 billion API hits and 2.5 billion message events daily. With 250 terabytes of distributed data, 250+ microservices and over 1 million domain names supported, our architecture is built for performance, resilience and long-term scalability.

Our people
With over 2,000 team members across 10+ countries, HighLevel operates as a global, remote-first organization built for speed and ownership. We value initiative, clarity and execution, creating space for ambitious people to build systems that support millions of businesses worldwide. Here, innovation thrives, ideas are celebrated and people come first, no matter where they call home.

Our impact
Every month, HighLevel enables more than 1.5 billion messages, 200 million leads and 20 million conversations for the more than 1 million businesses we support. Behind those numbers are real people building independence, expanding opportunity and creating measurable impact. We’re proud to be a part of that.
Learn more about us on our YouTube Channel or Blog Posts
 
Role Summary:
We’re hiring a Staff Engineer – Backend (Data Systems) to own and evolve the data backbone that powers messaging at scale inside HighLevel’s Conversations platform.
You’ll design, operate, and scale systems that handle billions of documents across MongoDB, Firestore, Redis, and ElasticSearch — with reliability, predictability, and engineering clarity as non-negotiables.
This is a hands-on IC role — you’ll code, design, review, and guide. You’ll set the standard for how we think about databases, APIs, and engineering craft.
The goal: make our data systems boring in the best possible way — predictable, fast, and easy to trust.
Your first project will be to re-architect and scale ElasticSearch to handle billions of documents efficiently while setting best practices for schema design, observability, and testing discipline across the org.
 
Team & Project Overview:
You’ll join the Conversations team — the core communication platform at HighLevel that powers SMS, Email, WhatsApp, and DMs for millions of users.
The system processes 2B+ messages monthly, spanning 50+ workloads and thousands of pods across GCP (GKE, Pub/Sub, Cloud Tasks).
The data stack includes MongoDB, Firestore, Redis, ElasticSearch, and ClickHouse — distributed, high-volume, and mission-critical.
This role sits at the intersection of data architecture and engineering culture — scaling systems while shaping how engineers design, test, and reason about them.
  • Database architecture: Redesign and optimize data models, queries, and indexing strategies across MongoDB, Firestore, and ElasticSearch
  • Search at scale: Own ElasticSearch reliability — ingestion, indexing, shard strategy, and query performance for billions of documents
  • Reliability & performance: Eliminate bottlenecks, improve replication health, and enforce predictable query and index latency
  • System design: Define data flow and integration boundaries between storage, cache, and APIs with clear contracts and fault isolation
  • Observability: Build visibility into every data path — metrics, traces, slow query logs, replication lag, and cluster health dashboards
  • Testing & quality: Make testing non-negotiable — enforce unit, integration, and load testing standards across all backend modules
  • Engineering culture: Drive RFCs, ADRs, and design reviews that push clarity and precision. Codify patterns that make good engineering repeatable
  • Hands-on leadership: Write code, design systems, and debug production issues. Lead by technical example, not by delegation
  • Mentorship & influence: Level up engineers around you — reviews that teach, feedback that sticks, and systems that outlive individuals
  • 8+ years of backend engineering experience with deep database expertise
  • Proven success with ElasticSearch, MongoDB, or Firestore at massive scale
  • Strong understanding of indexing, query optimization, caching, and consistency models
  • Expert in Node.js (TypeScript) and comfortable designing scalable microservices
  • Cloud experience with GCP (GKE, Pub/Sub, Cloud Tasks) or similar distributed infra
  • Practical knowledge of observability: Grafana, Kibana, OpenTelemetry
  • Passion for code quality and process: testing discipline, documentation, and design rigor
  • A track record of shaping team culture — setting standards through RFCs, ADRs, and clear technical writing
  • No tolerance for regressions, unclear ownership, or untested systems
  • Experience with ElasticSearch cluster management, multi-tenant indexing, or lifecycle policies
  • Familiarity with ClickHouse or other OLAP systems for analytics
  • Background in event-driven systems, data pipelines, or message brokers
  • Contributions to open-source or public technical writing on database performance or systems design
  • Listing Details

    Posted
    January 15, 2026
    First seen
    March 26, 2026
    Last seen
    April 24, 2026

    Posting Health

    Days active
    29
    Repost count
    0
    Trust Level
    39%
    Scored at
    April 25, 2026

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    Employees
    7k+
    Founded
    2018
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    Staff Backend Engineer - Conversations