Develop backend-heavy scheduling features, build scalable APIs, and integrate with services while managing data and system performance. Collaborate across teams to enhance product functionality.
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.
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.
About the Role:
We’re hiring an experienced SDE3 for our Core team, which powers vertical-specific scheduling features across use cases like meetings, services, and rentals.
As an SDE3, you’ll work on backend-heavy full stack features that bring real-world booking experiences to life, such as workflows, payments, lead generation, form submissions, notifications, and search. You’ll collaborate with platform, booking engine, and integrations teams to ensure that our solutions are scalable, intuitive, and flexible across industries.
This role is ideal for someone who thrives in product-oriented backend systems, has a strong full stack foundation, and is comfortable using AI tools to enhance their development speed and effectiveness.
Responsibilities:
- Design and build backend-heavy scheduling features that power industry use cases like meetings, rentals, and services
- Build scalable APIs and business logic using Node.js/NestJS, with Firestore, PostgreSQL, Elasticsearch, and Redis as data layers
- Leverage GCP tools like Cloud Tasks, Cloud Scheduler, Pub/Sub, and Cloud Functions to build reliable, event-driven infrastructure
- Contribute to the full development lifecycle — from designing APIs and modeling data to testing, deploying, and maintaining systems
- Integrate seamlessly with App and Integrations teams to ensure cohesive cross-squad delivery.
- Work on features like form submissions, appointment workflows, notifications, payments, notes/tasks, and intelligent search capabilities
- Build modular systems that adapt to diverse customer workflows, while maintaining strong performance and reliability
Requirements:
- 4+ years of experience in software engineering with a strong focus on backend systems and API design
- Deep expertise in Node.js/NestJS, TypeScript, and distributed system fundamentals
- Experience working with both SQL and NoSQL databases at scale
- Ability to work end-to-end across the stack, especially owning backend complexity and integrating with UI components
- Solid understanding of async workflows, queues, background jobs, webhooks, and system state transitions
- Familiarity with GCP services or willingness to get hands-on with them
- Openness to using AI tools (e.g., Cursor, Github Copilot, Claude Code) to accelerate development and improve code quality
- Strong debugging and system design skills; ability to make pragmatic architectural decisions
Nice to Have:
- Experience with appointment systems, lead funnels, workflow engines, or search infrastructure
- Background in building domain-specific features for industries like healthcare, education, fitness, or local services
- Experience working with time-based systems, recurrence logic, or custom state machines
EEO Statement:
The company is an Equal Opportunity Employer. As an employer subject to affirmative action regulations, we invite you to voluntarily provide the following demographic information. This information is used solely for compliance with government recordkeeping, reporting, and other legal requirements. Providing this information is voluntary and refusal to do so will not affect your application status. This data will be kept separate from your application and will not be used in the hiring decision.
#LI-Remote #LI-HB1
Top Skills
Elasticsearch
Firestore
GCP
Nestjs
Node.js
Postgres
Redis
Typescript
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