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 peopleWith 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 impactEvery 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 ourYouTube ChannelorBlog Posts

What are we hiring for?

Our teams are strong at building and scaling products. Every service has an owner, every feature has engineers behind it, and every database has deep expertise. What we need now is someone who can look across all of them — someone who understands how the entire distributed system works together and can identify risks that may not be visible within an individual service.
A retry policy in one service, combined with a queue configuration several hops downstream, can become a cascading failure under peak load. Your role is to identify those risks before they reach production.
You'll start withWorkflows, HighLevel's automation engine and one of the largest systems in the company. It handles3.1 billion enrollments and 21.5 billion action executions every month, with traffic peaking at28,000+ requests per second. The platform runs across thousands of pods on GCP and uses Pub/Sub, Cloud Tasks, Redis, and multiple database engines.
From there, your scope will expand intoConversations, which processes2.6 billion messages every month, as well as our newTicketingplatform. With Ticketing, you'll have the opportunity to influence the architecture early — building resilience and scalability into the system from the start rather than addressing them later.
This is not a traditional architect role where you design systems and hand them over for implementation.



It is also not a feature-focused engineering role with a defined product backlog.
This role sits across systems and teams, with a clear mandate: understand how the platform behaves as a whole, identify systemic risks, and make sure our architecture can continue to scale reliably.
Responsibilities:

Own the architecture health of a billion-scale distributed system, its failure modes, capacity limits, consistency guarantees, and the interactions between 50+ deployments that no single team can see
Approve critical-path designs.Changes that touch the system's core go through you, not as bureaucracy, but as the person accountable for the whole staying sound. When there's a disagreement, you make your case on merit
Hunt gaps proactively, single points of failure, unbounded queues, missing idempotency, thundering herds, quiet data-loss windows, and drive the fixes before they become incidents
Build the parts nobody else can.No sprint tickets. You prototype the risky architectural bets yourself, ship the remediation after serious incidents, and pair into the gnarliest cross-team bugs, roughly a quarter to a third of your time in code, all of it on the hardest problems
Make resilience a property of the system, not a heroic act, degradation strategies, backpressure, isolation boundaries, capacity models that survive 10%+ month-over-month growth
Raise the teams around you.Design reviews that teach, post-mortems that change architecture (not just add alerts), and patterns that 80+ engineers build on
Set the standard for howAI-assisted engineeringworks safely on systems this critical, where a bad merge doesn't cost a demo, it costs real businesses their revenue

The terrain:
Runtime: Node.js (TypeScript), Go, thousands of pods on GKE
Messaging & async: GCP Pub/Sub, Cloud Tasks, Redis
Storage: MongoDB, Firestore, ClickHouse, ElasticSearch
Scale: 21.5B automation actions/month, 2.6B messages/month, 28.5K req/s peaks, ~226B async events across the org
Requirements:

10+ yearsof engineering experience with deep, hands-on ownership oflarge-scale distributed systems, comparable scale strongly preferred: hundreds of services or thousands of instances, billions of daily events
You've carried sole accountability for a production system through real failures, not adjacent to it, not advising on it. Owned it
Deep command ofqueueing and async architectures, delivery semantics, ordering, backpressure, idempotency, exactly-once myths and at-least-once realities
Strong withmultiple storage engines(SQL and NoSQL), you reason about consistency models, indexing at scale, and when each engine is the wrong choice
Expert-level depth inRedis or comparable in-memory systems,



including their failure modes under memory pressure and network partition
Production experience onKubernetes at scale, resource limits, autoscaling behavior, what actually happens when a node pool dies
Exceptional design communication, docs, diagrams, and RCAs that drive decisions across multiple teams
Fluent inNode.js and/or Go, enough to prototype your own proposals and ship fixes on the critical path
What Success Looks Like

The critical paths of Workflows havenamed owners, capacity models, and tested failure modes, because you made it so
Incident count trends down while traffic grows double-digit percent month over month
Your design reviews are the ones engineerswanttheir proposals to survive
Your scope hasexpanded on results, more systems, more surface, more trust
What you're built for

You've beeninjured in production. A lot.You've owned distributed systems at serious scale, through the outages, the migrations, the 3 AM discoveries, and every scar changed how you design
You've operated atstaff scope, whatever your title said, the engineer everyone routed the hardest systems questions to
You think infailure modes by default: when you see a design, you instinctively ask what happens at the tail, under partition, at 10x load
You writedesign docs and RCAs that people reference years later, transparent trade-offs, honest risks, real recommendations
You candisagree with a team and still make them better, influence through rigor and respect, not title
You'd ratherprevent ten incidents quietlythan be the hero of one loudly
Bonus Points

You've madeAI agents genuinely productive on complex systems, and know how to keep AI-generated code from becoming AI-generated incidents
GCP-native experience: Pub/Sub, Cloud Tasks, GKE, Firestore
You've done this job before under another name, "the systems person," principal engineer, architect-who-still-codes
Experience taking a0→1 system to productionalongside hardening mature ones
#LI-Remote #LI-HB1

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📌 Staff Engineer - Crm & Automation (India)
🏢 Gohighlevel
📍 India