Software Engineer, Infrastructure & Data

Company: Lightfield
Location: San Francisco
Posted on: May 24, 2025

Job Description:

About LightfieldLightfield is a next-generation CRM that automatically captures customer interactions like emails, meetings, and support tickets and organizes them into structured CRM data, enabling deep analysis of customer activity and powerful automation.Unlike traditional CRMs, Lightfield continuously learns from how you sell and who you sell to, directly from the words of customers and actual workflows in the system. With this data, Lightfield proactively manages customer tasks, automates personalized customer communication, and delivers the visibility and insights needed for teams to continually refine their go-to-market strategy.The company is initially focused on becoming the first comprehensive system of record and go-to-market platform for high-growth technology companies. With a flexible and scalable model for data capture and organization, Lightfield is designed to be the last CRM and GTM-automation tool our companies will ever need.Our team previously built Tome, a generative AI presentation product used by over 25 million people, gaining deep expertise in context management, effective evaluation loops, and user-interaction design for generative AI. Before Tome, many of us worked on Llama, Instagram, Facebook Messenger, Pinterest, and SpaceX.About the roleWe'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.Who you are
  • 3+ years of experience in software development, with a strong background in infrastructure, data modeling, and backend systems.
  • Deep experience building scalable, high-performance data infrastructure that can support complex customer workflows and large-scale data processing.
  • Strong understanding of database design, indexing strategies, and query optimization, especially in PostgreSQL or similar relational databases.
  • You're excited about Large Language Models (LLMs) and the opportunity to build systems that support and leverage them.
  • You have the ability to ramp quickly on tech stack that features TypeScript, React, Next.js, Node.js, Apollo GraphQL, and PostgreSQL.
  • Strong fundamentals in software engineering, with a degree in Computer Science or a related field.
  • Thrives in ambiguity, able to independently drive projects and deliver results in a fast-moving environment.
  • Clear communicator, capable of articulating technical decisions to both technical and non-technical stakeholders.
  • Passionate about building products customers love, ensuring our CRM is intuitive, intelligent, and indispensable.
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Keywords: Lightfield, Mountain View , Software Engineer, Infrastructure & Data, IT / Software / Systems , San Francisco, California