Staff Software Engineer - AI-Driven CRM Infra

Lightfield; San Francisco (CA); Hybrid; USD 180,000 - 240,000; Full time

Benefits offered by this job

Competitive salary

Meaningful early equity

Health insurance (medical, dental, and

3 weeks PTO

11 paid company holidays + winter hol

3 months paid family leave

Wednesdays work from home

Regular team dinners and offsites

401k plan

Commuter and lunch stipend

Job summary

Lightfield is seeking an experienced software engineer to architect, build, and scale the core infrastructure powering its AI-driven CRM. You will own data models and backend services, focusing on performance, reliability, and scalability across teams and data workflows.

You will contribute to building a world-class engineering culture, mentor peers, and drive observability, metrics, and best practices to support rapid delivery in a fast-moving environment.

Qualifications

• 7+ years of experience in software development with infrastructure, data modeling, and backend systems.
• Deep experience building scalable data infrastructure for complex customer workflows and large-scale data processing.
• Strong understanding of database design, indexing, 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.

Responsibilities

• 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.

Skills

Data modeling

Backend systems

Infrastructure engineering

PostgreSQL expertise

Distributed systems

Mentorship

Education

Bachelor's degree in Computer Science

Tools

TypeScript

React

Next.js

Node.js

Apollo GraphQL

PostgreSQL

Job description

Lightfield is seeking an experienced software engineer to architect, build, and scale the core infrastructure powering its AI-driven CRM. You will own data models and backend services, focusing on performance, reliability, and scalability across teams and data workflows.

You will contribute to building a world-class engineering culture, mentor peers, and drive observability, metrics, and best practices to support rapid delivery in a fast-moving environment.