Software Engineer, Infrastructure (Early Career)

What this role involves

Lightfield is an AI-native CRM startup backed by Greylock, Lightspeed, and Coatue. This early-career infrastructure engineering role is based in Cambridge, MA, and involves working on databases, scheduling, permissions, and distributed systems. The role requires strong CS fundamentals and a systems-shaped background, with opportunities to ship production work early and grow into ownership.

Skills this posting asks for

• postgres
• query planning
• indexing
• data modeling
• permissions
• distributed systems
• scheduling
• concurrency control
• backpressure
• search indexing
• databases
• queues
• infrastructure

Requirements

• Level: junior
• Remote policy: onsite

From the employer’s posting

ABOUT LIGHTFIELD Lightfield is an AI-native CRM that assembles itself from your email, calendar, and meetings. It captures every interaction and turns it into organized context: accounts, tasks, follow-ups, and insights, so nothing slips through the cracks. We’re rethinking CRM from first princip…