HighLevel

Senior SDE (Full Stack - Backend Heavy)

HighLevel
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16 days ago
Remote, IndiaSenior

Responsibilities

  • Lead the technical design and implementation of backend-heavy full-stack features for industry solutions.
  • Evaluate architectural trade-offs across APIs, data models, integrations, and event-driven systems.
  • Build scalable APIs and business logic using Node.js and NestJS with Firestore, PostgreSQL, Elasticsearch, and Redis.
  • Use GCP services including Cloud Tasks, Cloud Scheduler, Pub/Sub, and Cloud Functions to build event-driven infrastructure.
  • Develop integrations with industry systems of record, including synchronization, webhooks, and error recovery.
  • Own technical initiatives involving configurable models, templates, automation packs, and reusable industry-layer foundations.
  • Manage the full development lifecycle from API design and data modeling through testing, deployment, and maintenance.
  • Collaborate with core platform, product, application, and domain teams on extension points and industry solutions.
  • Address data privacy, consent, and audit-trail requirements.
  • Mentor engineers through code reviews, design discussions, and technical guidance.

Requirements

  • At least 5 years of software engineering experience focused on backend systems and API design.
  • Deep expertise in Node.js, NestJS, TypeScript, and distributed systems fundamentals.
  • Experience with SQL and NoSQL databases at scale.
  • Ability to work end-to-end across the stack, especially with backend complexity and UI integrations.
  • Understanding of asynchronous workflows, queues, background jobs, webhooks, and system state transitions.
  • Experience integrating third-party APIs, including authentication flows, rate limits, data mapping, and synchronization reliability.
  • Familiarity with GCP services or willingness to gain hands-on experience with them.
  • Openness to using AI tools such as Cursor, GitHub Copilot, and Claude Code.
  • Strong debugging and system design skills, including the ability to handle ambiguity, anticipate edge cases, and make pragmatic architectural decisions.
  • Curiosity about different industries and comfort learning from non-technical domain experts.
  • Preferred experience with vertical SaaS or industry-specific products.
  • Preferred experience with HL7/FHIR, RESO/MLS feeds, payment integrations, POS integrations, metadata-driven systems, configuration-based systems, custom objects, workflow engines, or templating.
  • Preferred experience shipping in regulated environments such as HIPAA, SOC 2, or GDPR.

Benefits

  • Remote work arrangement.
  • Opportunity to build reusable industry foundations that expand HighLevel into new markets.
  • Work directly with domain experts and see features affect business operations across multiple verticals.
  • Join a small, high-leverage team emphasizing product thinking, pragmatic engineering, and AI-assisted development.

Tech Stack

HighLevel

About HighLevel

1,001-5,000 employees

HighLevel builds a white-label, all-in-one marketing and CRM platform for agencies, entrepreneurs, and SMBs, combining lead capture, automation, email/SMS, websites and funnels, payments, and appointment management. Founded in 2018 and headquartered in Dallas, it is privately held and raised $60M in private equity funding in 2024. The subscription SaaS serves customers in 150+ countries and is used by over one million businesses.

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