Software Engineer, Infrastructure

Lightfield

$130K — $180K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3+ years of software development experience
  • Strong background in infrastructure, data modeling, and backend systems
  • Expertise in building scalable, high-performance data infrastructures
  • Proficient in database design, indexing strategies, and query optimization, especially with PostgreSQL
  • Experience with TypeScript, React, Next.js, Node.js, Apollo GraphQL, and PostgreSQL
  • Degree in Computer Science or related field
  • Ability to thrive in ambiguous environments and drive project results independently
  • Excellent communication skills for technical and non-technical audiences
  • Passion for building intuitive and consumer-centric products

Responsibilities

  • Build and maintain full-stack systems ensuring reliability and performance
  • Architect and scale data infrastructure and backend services
  • Design and optimize data models for CRM workflows and AI insights
  • Develop observability and metrics for operational smoothness and issue detection
  • Mentor teammates and participate in code reviews
  • Contribute to shaping engineering culture and practices
  • Assist in building a world-class engineering team through recruiting and mentorship

Benefits

  • Collaborative work environment with cross-functional teams
  • Ownership over projects from inception to impact
  • Opportunity to work on cutting-edge AI and data systems
  • Focus on personal and professional growth through mentorship
  • Chance to contribute to a product aimed at high-growth technology companies
Full Job Description
About the role

We'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.


Benefits & Perks
  • Competitive salary
  • 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
  • Wednesdays work from home
  • Regular team dinners, events, offsites, and retreats
  • 401k plan
  • Other perks include: commuter and lunch stipend

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