Lead Engineer – Workflow Builder DSL

🕒 January 15

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HighLevel

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2018

☁️ SaaS

🤝 B2B

💰 Series A on 2021-11

SaaS • Marketing • B2B

HighLevel is an all-in-one marketing and sales platform designed to help businesses grow and succeed. The platform consolidates various marketing tools into a single solution, providing features such as lead capture through landing pages, surveys, forms, and calendars, as well as tools for nurturing leads via automated messaging across multiple channels including phone, SMS, email, and social media. HighLevel offers customizable solutions like online appointment scheduling, multi-channel follow-up campaigns, and pipeline management. Additionally, businesses can build websites, funnels, and landing pages using the intuitive page builder. HighLevel supports integrating with existing systems via API, and offers a membership platform for community building and course management. The platform is targeted towards marketers and offers white-labeling options for businesses to brand the software as their own. With a community-driven development approach and award-winning support, HighLevel is focused on empowering businesses to streamline their operations and enhance their marketing efficiencies.

📋 Description

• 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

• 5+ 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