Lightfield
Technical Lead, Infrastructure & Data
Lightfield, San Francisco, California, United States, 94199
Overview
Technical Lead, Infrastructure & Data at Lightfield Base pay range: $250,000.00/yr - $350,000.00/yr About Lightfield
Lightfield 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. 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 focused on becoming the first comprehensive system of record and go-to-market platform for high-growth technology companies. 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. The Role
The heart of a CRM is its data model. The ability to collect, store, organize, and retrieve the right data for the right application is crucial to Lightfield’s success. You’ll be a founding member of this new team. You’ll invent the data infrastructure and retrieval systems that power the CRM. You’ll work with the founders every single day and be part of every important discussion at the company. You’ll join a team with applied machine learning, product, and full stack experience to tackle this problem. What You’ll Do
Architect and scale the data infrastructure, search, and retrieval systems that power Lightfield’s AI-driven CRM. Design and optimize data models and indexing strategies to support CRM workflows, AI-driven insights, and contextual search. Build and maintain full-stack systems end-to-end, ensuring reliability, scalability, and performance. 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
10+ years of experience in development, with a strong background in infrastructure, data modeling, and backend systems. Experience building scalable, high-performance data infrastructure that supports large-scale data processing and retrieval. Strong understanding of database design, indexing strategies, and query optimization, especially in PostgreSQL or similar relational databases. Experience with full-text search infrastructure (e.g., Typesense) for fast, structured query capabilities. Experience with vector search and semantic retrieval (e.g., Pinecone) to support AI-driven contextual understanding and recommendations. Experience with graph databases (e.g., Neo4j) is a plus. Excitement about Large Language Models (LLMs) and building systems that leverage them for search, retrieval, and automated insights. Ability to ramp quickly on tech stack (TypeScript, React, Next.js, Node.js, Apollo GraphQL, PostgreSQL, Typesense, Pinecone). Strong fundamentals in software engineering with a degree in Computer Science or a related field. Thrives in ambiguity, independently driving projects in a fast-moving environment. Clear communicator able to articulate technical decisions to technical and non-technical stakeholders. Passionate about building products customers love, ensuring the CRM is intuitive, intelligent, and indispensable. Benefits & Perks
Competitive salary Meaningful early equity Health insurance (medical, dental, vision) 3 weeks of PTO 11 paid company holidays + winter holiday break 3 months of paid family leave Wednesdays work from home Regular team dinners, events, offsites, and retreats 401k plan Other perks include: commuter and lunch stipend
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Technical Lead, Infrastructure & Data at Lightfield Base pay range: $250,000.00/yr - $350,000.00/yr About Lightfield
Lightfield 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. 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 focused on becoming the first comprehensive system of record and go-to-market platform for high-growth technology companies. 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. The Role
The heart of a CRM is its data model. The ability to collect, store, organize, and retrieve the right data for the right application is crucial to Lightfield’s success. You’ll be a founding member of this new team. You’ll invent the data infrastructure and retrieval systems that power the CRM. You’ll work with the founders every single day and be part of every important discussion at the company. You’ll join a team with applied machine learning, product, and full stack experience to tackle this problem. What You’ll Do
Architect and scale the data infrastructure, search, and retrieval systems that power Lightfield’s AI-driven CRM. Design and optimize data models and indexing strategies to support CRM workflows, AI-driven insights, and contextual search. Build and maintain full-stack systems end-to-end, ensuring reliability, scalability, and performance. 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
10+ years of experience in development, with a strong background in infrastructure, data modeling, and backend systems. Experience building scalable, high-performance data infrastructure that supports large-scale data processing and retrieval. Strong understanding of database design, indexing strategies, and query optimization, especially in PostgreSQL or similar relational databases. Experience with full-text search infrastructure (e.g., Typesense) for fast, structured query capabilities. Experience with vector search and semantic retrieval (e.g., Pinecone) to support AI-driven contextual understanding and recommendations. Experience with graph databases (e.g., Neo4j) is a plus. Excitement about Large Language Models (LLMs) and building systems that leverage them for search, retrieval, and automated insights. Ability to ramp quickly on tech stack (TypeScript, React, Next.js, Node.js, Apollo GraphQL, PostgreSQL, Typesense, Pinecone). Strong fundamentals in software engineering with a degree in Computer Science or a related field. Thrives in ambiguity, independently driving projects in a fast-moving environment. Clear communicator able to articulate technical decisions to technical and non-technical stakeholders. Passionate about building products customers love, ensuring the CRM is intuitive, intelligent, and indispensable. Benefits & Perks
Competitive salary Meaningful early equity Health insurance (medical, dental, vision) 3 weeks of PTO 11 paid company holidays + winter holiday break 3 months of paid family leave Wednesdays work from home Regular team dinners, events, offsites, and retreats 401k plan Other perks include: commuter and lunch stipend
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