HighLevel

Lead Engineer - Workflow Builder DSL

Remote (India) · Staff/Principal · Remote

Older listing - lower visibility likelyVerified listingPosted 240d ago

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Application Programming Interface (API)JSONTypeScriptSchema.org

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Job description

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 our YouTube Channel or Blog Posts

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.

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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.

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Lead Engineer - Workflow Builder DSL

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