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HighLevel, Inc.

HighLevel, Inc. is an all-in-one marketing and sales platform whose tools and services are designed to help businesses grow. Established in 2018, the company’

Staff Backend Engineer – Calendar Integrations

Location

India

Posted

151 days ago

Salary

0

Seniority

Lead

Bachelor Degree8 yrs expEnglish

Job Description

Staff Backend Engineer – Calendar Integrations

HighLevel, Inc.

• Architect and evolve a plugin-based integrations marketplace that supports calendars, conferencing tools, CRMs, and productivity apps • Design a high-scale, multi-tenant sync engine for Google, Outlook, Apple Calendar, Zoom, Teams, and other providers • Implement delta sync pipelines using Google Sync Tokens, Microsoft Delta Queries, and CalDAV/WebDAV sync mechanisms • Define and maintain a normalized event model across providers, covering recurrence, attendees, reminders, and conferencing data • Ensure strict standards compliance with iCalendar (RFC 5545), ICS formats, RRULE logic, and timezone rules • Build resilient, idempotent workflows with retries, backoff, dead-letter queues, and replay-safe operations • Create automated sync health scoring and drift detection systems with self-healing and recovery paths. • Develop integration SDKs, OAuth flows, webhooks, and debugging tools to power partner and third-party extension development • Lead architecture reviews, RFCs, and cross-team technical strategy with Scheduling, Platform, AI, Experience, and SDET teams • Mentor engineers and elevate engineering quality through hands-on guidance, design leadership, and best practices

Job Requirements

  • 8+ years of backend or platform engineering experience, with 2+ years in a technical leadership role
  • Deep experience designing integration systems, APIs, SDKs, or plugin architectures
  • Proven ability to lead cross-functional, platform-level initiatives with strong attention to developer experience
  • Experience with authentication flows, webhook systems, and sandbox environments for developers
  • Strong understanding of security, scalability, and extensibility in multi-tenant or developer platform environments
  • Passion for building tools that enable and empower other developers
  • Excellent communication skills and the ability to lead a team through ambiguity with clarity

Benefits

  • Equal Opportunity Employer
  • Remote-first environment
  • Supportive community of over 2 million businesses

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