Lightfield

Lightfield

Software Engineer, Infrastructure

HQ: San Francisco

Sponsorship not specifiedDetected 544 days ago
TypeScriptReactNext.jsNode.jsBackend DevelopmentFull-Stack DevelopmentCode ReviewPostgreSQLGraphQLLLMsCRMMentoring

About the role

  • 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.

Responsibilities

  • Build and maintain full-stack systems, end-to-end, ensuring reliability, scalability, and performance.
  • 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.
  • Contribute to building a world-class engineering team through recruiting, mentorship, and knowledge-sharing.
  • Deep experience building scalable, high-performance data infrastructure that can support complex customer workflows and large-scale data processing.
  • You're excited about Large Language Models (LLMs) and the opportunity to build systems that support and leverage them.
  • Thrives in ambiguity, able to independently drive projects and deliver results in a fast-moving environment.

Requirements

  • 3+ years of experience in software development, with a strong background in infrastructure, data modeling, and backend systems.
  • Strong understanding of database design, indexing strategies, and query optimization, especially in PostgreSQL or similar relational databases.
  • 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.

Compensation

  • Competitive salary

Benefits

  • Meaningful early equity
  • Health insurance (medical, dental, vision)
  • 3 weeks of PTO
  • 11 paid company holidays + we enjoy a winter holiday break
  • 3 months of paid family leave
  • Other perks include: commuter and lunch stipend

Company info

  • 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.

This listing is sourced directly from Lightfield's careers page and normalized into a canonical job model.