About the role

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 principles. Instead of forcing teams to maintain rigid systems, Lightfield learns from how companies actually work, adapting, automating, and surfacing the insight that drives growth. We’re building the CRM platform we always wished existed: fast, intelligent, and genuinely helpful. We are backed by Greylock, Lightspeed, and Coatue, and our founders previously built Tome, a generative AI presentation product used by over 25 million people. Before Lightfield, our team worked on Llama, Instagram, Facebook Messenger, Pinterest, Google, and Salesforce.

About

the role We’re looking for an experienced, creative, and versatile engineer who is eager to tackle the challenge of architecting, building, and scaling the core infrastructure and systems powering Lightfield's AI-driven CRM. At Lightfield, engineers take ownership of projects from inception to impact, collaborating across functions and pushing the envelope on what’s possible in applied AI and data systems. You’ll play a critical role in designing and building the data models and infrastructure that support a next-generation CRM, ensuring our system is performant, scalable, and resilient. What you’ll do Build and maintain full-stack systems, end-to-end, ensuring reliability, scalability, and performance. Architect and scale the data infrastructure and backend services that power Lightfield AI-driven CRM. Design and optimize data models to support CRM workflows, customer interactions, and AI-driven insights. Develop observability and metrics to enable smooth operation, proactive issue detection, and continuous improvement. Mentor teammates, participate in code reviews, and help shape engineering culture and practices. Contribute to building a world-class engineering team through recruiting, mentorship, and knowledge-sharing.

Lightfield is an AI-native CRM built for the modern era, designed to replace legacy tools like Salesforce and HubSpot by assembling itself automatically from a team's email, calendar, and meetings. Founded with the mission to become the definitive system of record for the AI era — just as Salesforce defined the cloud era — Lightfield is rethinking CRM from first principles: instead of forcing teams into rigid systems, it learns from how companies actually work, adapting, automating, and surfacing insights that drive growth. The company is backed by top-tier investors including Greylock, Lightspeed, and Coatue, and its founders previously built Tome, a generative AI presentation product used by over 25 million people. The team brings deep pedigree from Llama, Instagram, Facebook Messenger, Pinterest, Google, and Salesforce. Traction has been exceptional: over 3,000 companies have signed up for the product, with more than 100 new sign-ups every week and roughly 30 converting to paying customers weekly. Customers include notable names like Substack and Distill. Lightfield operates a dual go-to-market motion — a high-velocity self-serve PLG funnel paired with a direct sales motion targeting Series A/B startups — and is scaling rapidly with plans to grow its sales team from 1 to 7 AEs by end of year. The culture is high-intensity, mission-driven, and in-office four days a week, attracting missionaries over mercenaries who are genuinely excited about building a category-defining company.

Software Engineer, Infrastructure

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