Senior Infrastructure Engineer for AI-Driven CRM

Lightfield; San Francisco (CA); On-site; USD 180,000 - 280,000; Full time

Benefits offered by this job

Competitive salary

Meaningful equity

Health insurance

3 weeks PTO

11 holidays + winter break

3 months family leave

Wednesdays work from home

Team events & retreats

401k plan

Commuter and lunch stipend

Job summary

Lightfield is hiring an experienced engineer to architect, build, and scale the core infrastructure powering our AI-driven CRM. You will own data models, backend services, and the data platform, ensuring performance, scalability, and resilience.

You’ll collaborate across teams, mentor others, and help recruit top engineers while delivering systems that enable AI features and robust CRM workflows.

Qualifications

• 5+ years in software development with backend and data infra focus.
• Experience building scalable data infrastructure.
• Strong PostgreSQL design and optimization.
• Interest in LLMs and AI-powered CRM.
• Proficiency with TypeScript, React, Next.js, Node.js, GraphQL, PostgreSQL.
• Clear communication for technical and non-technical stakeholders.

Responsibilities

• Build and maintain full-stack systems end-to-end with reliability, scalability, and performance.
• Architect and scale data infrastructure and backend services powering Lightfield AI-driven CRM.
• Design and optimize data models to support CRM workflows and AI insights.
• Develop observability and metrics for smooth operation and proactive issue detection.
• Mentor teammates, participate in code reviews, and shape engineering culture.

Skills

Backend systems

Data modeling

PostgreSQL

TypeScript

React

Next.js

Node.js

GraphQL

LLMs

Communication

Education

Bachelor's degree in Computer Science or related field

Job description

Lightfield is hiring an experienced engineer to architect, build, and scale the core infrastructure powering our AI-driven CRM. You will own data models, backend services, and the data platform, ensuring performance, scalability, and resilience.

You’ll collaborate across teams, mentor others, and help recruit top engineers while delivering systems that enable AI features and robust CRM workflows.