HighLevel
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 1 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 1 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.
Role Summary:
We’re hiring a Lead Engineer, Workflow Builder DSL to define and enforce the data-layer grammar that powers every automation inside HighLevel.
Your mission: ensure workflows are valid by construction and programmatically safe to create, through strict contracts, semantic validation, static analysis, and high-coverage tests.
You’ll own the canonical Workflow DSL that represents how workflows are structured, stored, and validated. Your work guarantees that every workflow, whether created in the UI, cloned via snapshot, or generated programmatically, is predictable, version-safe, and never corrupt.
Responsibilities:
- Define the DSL: Design and maintain the canonical syntax and semantics for workflows
- Schema authority: Own JSON Schemas and TypeScript types for validation, linting, and generation
- Programmatic CRUD: Design contracts for safe workflow creation via public and internal APIs
- Validation layer: Implement semantic validators (current POC in Zod; open to alternatives)
- Linting & codemods: Ship tools that enforce structure guardrails and auto-repair common errors
- Testing discipline: Establish unit, integration, and golden tests for workflow creation paths
- Static analysis: Add graph checks for loops, dangling nodes, and invalid edges
- Cross-team contracts: Define interfaces with Engine and Snapshot for schema exchange and validation
- Operational ownership: Monitor DSL validation services; ensure 99.9 % availability and low error rate
Requirements:
- 7+ years building and owning complex backend systems.
- Deep experience with typed DSLs, ASTs, or schema-driven architectures
- Fluent in TypeScript and validation frameworks (Zod, Ajv, or JSON Schema)
- Proven history designing public or versioned APIs
- Strong testing discipline and data-integrity mindset
- Comfortable owning production services and reliability metrics
- Nice to have: compiler/graph background, schema evolution work, or tooling for developer productivity
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.
Originally posted on Himalayas
To apply for this job please visit himalayas.app.
Working in India
India, officially the Republic of India, is a country in South Asia. It is the seventh-largest country by area, the most populous country in the world and, since its independence in 1947, the world's most populous democracy. Bounded by the Indian Ocean on the south, the Arabian Sea on the southwest, and the Bay of Bengal on the southeast, it shares land borders with Pakistan to the west; China, Nepal and Bhutan to the north; Bangladesh and Myanmar to the east. In the Indian Ocean, India is near Sri Lanka and the Maldives. Its Andaman and Nicobar Islands share a maritime border with Myanmar, Th
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