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SDE III - Core CRM
SDE III - Core CRM
HighLevel Inc.'s logo

SDE III - Core CRM

Eman Khan's profile picture
Posted by Eman Khan
4 - 8 yrs
Best in industry
Remote only
Skills
skill iconNodeJS (Node.js)
skill iconReact.js
skill iconVue.js

About HighLevel:

HighLevel is an AI powered, all-in-one white-label sales & marketing platform that empowers agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. We are proud to support a global and growing community of over 2 million businesses, comprised of agencies, consultants, and businesses of all sizes and industries. HighLevel empowers users with all the tools needed to capture, nurture, and close new leads into repeat customers. As of mid 2025, HighLevel processes over 4 billion API hits and handles more than 2.5 billion message events every day. Our platform manages over 470 terabytes of data distributed across five databases, operates with a network of over 250 microservices, and supports over 1 million hostnames.


About the Role:

We are building systems that operate at scale - high write volumes, real-time state sync, and burst traffic that doesn’t politely warn before it arrives. We are looking for engineers who love owning systems end-to-end, care deeply about performance and reliability, and want to build things that don’t just work - but last. This is not a ticket-execution role, its a system ownership role.


Responsibilities:

Backend System Ownership:

  • Design and evolve Node.js / NestJS services powering systems that operate at scale
  • Take architectural decisions that balance scale, cost, and long-term maintainability

API Craftsmanship:

  • Build well-typed, thoughtful REST contracts for high volume flows
  • Think in versioning, backward compatibility, and clean boundaries

Data at Scale:

  • Model and optimize MongoDB / Firestore schemas for high read/write workloads
  • Design atomic updates and consistency strategies for distributed systems

Scalability & Resilience:

  • Implement queues, caching layers, and rate limiting to handle burst traffic gracefully
  • Design for failure modes before they happen

Frontend Integration:

  • Ship modular Vue 3 UIs that efficiently consume APIs
  • Optimize realtime updates and state management (Pinia)
  • Improve Core Web Vitals and perceived performance

Observability & Production Ownership:

  • Instrument logs, metrics, traces, and alerts
  • Participate in on-call
  • Debug real production issues
  • Drive post-mortems to meaningful closure (not just documents)

Mentorship & Leverage:

  • Review code thoughtfully
  • Support junior engineers
  • Raise engineering standards across the team


Requirements:

  • 4+ years of professional engineering experience
  • Strong backend-heavy fullstack background
  • Deep comfort with Node.js + TypeScript
  • Experience building and scaling microservices (NestJS / Express)
  • Modern frontend experience (Vue 3 or similar)
  • Strong understanding of: API design, Data modeling, Distributed systems tradeoffs, Concurrency & rate limiting
  • Real production debugging experience
  • Comfortable in cloud-native environments (GCP / AWS)
  • CI/CD and containerization familiarity


Nice to Have:

  • Pub/Sub or message queue experience
  • Event-driven systems exposure
  • Domain-driven design familiarity
  • Performance optimization work
  • Experience reducing infra costs
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Shubham Vishwakarma

Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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About HighLevel Inc.

Founded :
2018
Type :
Product
Size :
100-500
Stage :
Profitable

About

About Us

HighLevel is an AI powered, all-in-one white-label sales & marketing platform that empowers agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. We are proud to support a global and growing community of over 2 million businesses, comprised of agencies, consultants, and businesses of all sizes and industries. HighLevel empowers users with all the tools needed to capture, nurture, and close new leads into repeat customers. As of mid 2025, HighLevel processes over 15 billion API hits and handles more than 2.5 billion message events every day. Our platform manages over 470 terabytes of data distributed across five databases, operates with a network of over 250 microservices, and supports over 1 million domain names.


Our People

With over 1,500 team members across 15+ countries, we operate in a global, remote-first environment. We are building more than software; we are building a global community rooted in creativity, collaboration, and impact. We take pride in cultivating a culture where innovation thrives, ideas are celebrated, and people come first, no matter where they call home.


Our Impact

As of mid 2025, our platform powers over 1.5 billion messages, helps generate over 200 million leads, and facilitates over 20 million conversations for the more than 2 million businesses we serve each month. Behind those numbers are real people growing their companies, connecting with customers, and making their mark - and we get to help make that happen.


EEO Statement:

At HighLevel, we value diversity. In fact, we understand it makes our organisation stronger. We are committed to inclusive hiring/promotion practices that evaluate skill sets, abilities, and qualifications without regard to any characteristic unrelated to performing the job at the highest level. Our objective is to foster an environment where really talented employees from all walks of life can be their true and whole selves, cherished and welcomed for their differences while providing excellent service to our clients and learning from one another along the way! Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

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Shubham Vishwakarma

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