Senior Engineer - Core Systems

Nylas is a pioneering company that specializes in providing developers with powerful APIs for integrating email, calendar, and contact management features into their applications. With a reach extending to over 100,000 developers and 900+ companies worldwide, Nylas is transforming how digital communication tools are implemented across various sectors.

As a Senior Engineer on the Core Systems team, you'll take technical leadership of the Send Platform, which handles over 10 million API calls daily. Your primary mission will be scaling the system for a 10x traffic increase while maintaining high reliability and building new features. The role combines hands-on development with strategic thinking and cross-functional collaboration.

The Core Systems team is responsible for critical infrastructure including:

• Send Platform: Processing ~10 million daily API calls for email functionality
• Webhook Platform: Managing ~30 million daily event dispatches
• Sync Engines: Ensuring bidirectional communication data synchronization

Your responsibilities will include enhancing the Send Platform APIs, collaborating on new feature launches, developing comprehensive test suites, and providing technical leadership. You'll mentor team members, drive best practices, and lead high-visibility projects that influence technical direction across the organization.

The ideal candidate brings 4+ years of backend development experience, strong systems understanding, and expertise in Go and JavaScript. Experience with microservices, distributed systems, and modern databases is essential. The role offers competitive compensation ($145,000 - $185,000 CAD) and comprehensive benefits including unlimited PTO, healthcare, and education stipends.

Join Nylas to work on large-scale distributed systems, push the boundaries of real-time communications, and lead technical innovation in a rapidly growing company that's revolutionizing how applications handle communication features.