Software Engineer, Infrastructure (Staff+)
Join Lightfield as a Staff Software Engineer to architect and scale the infrastructure for an AI-driven CRM in a collaborative environment.
Posted by employer 1 year ago
First seen on Joblaze 14 hours ago
Last verified on the company career page 14 hours ago
Skills & Technologies
What you'll build
- Build and maintain full-stack systems
- Architect and scale data infrastructure
- Design and optimize data models
- Develop observability and metrics
- Mentor teammates
Must have
- 7+ years of experience in software development
- Strong background in infrastructure
- Deep experience building scalable data infrastructure
- Strong understanding of database design
- Ability to ramp quickly on tech stack
Nice to have
- Excited about Large Language Models
- Clear communicator
- Passionate about building products customers love
AI in the day-to-day
Building systems that support and leverage Large Language Models (LLMs).
Requirements
- Experience
- 7+ years
- Education
- Bachelor's degree
Not disclosed in this posting: compensation, visa sponsorship.
Benefits
Joblaze summary
In this role, the engineer will architect and scale the core infrastructure that supports Lightfield's AI-driven CRM, focusing on building reliable and high-performance systems. Key skills include expertise in data modeling, backend systems, and familiarity with technologies like TypeScript, PostgreSQL, and GraphQL. This position is ideal for seasoned professionals with over seven years of experience who thrive in fast-paced environments and can navigate ambiguity. The team values collaboration and mentorship, contributing to a culture of continuous improvement.
Joblaze insights
- Listed today — first seen on Joblaze November 8, 2026. Last confirmed on Lightfield's careers page November 8, 2026.
- This exact title is also open at 1 other location at Lightfield: HQ: San Francisco.
- PostgreSQL appears in 18.4% of 299 comparable staff backend roles in United States; Next.js appears in 1.3% of 299 comparable staff backend roles in United States.
Quick facts
- Is the Software Engineer, Infrastructure (Staff+) role remote?
- It's hybrid — Lightfield expects some on-site time in San Francisco, United States.
- How much experience is required?
- At least 7 years of relevant experience for this Software Engineer, Infrastructure (Staff+) role.
- Where is the role based?
- Lightfield is hiring for this position in San Francisco, United States.
- What's the tech stack?
- Joblaze extracted these technologies from the posting: Apollo GraphQL, Next.js, Node.js, PostgreSQL, React, TypeScript.
- What seniority level is this role?
- Lightfield targets staff-level candidates for this position.
- Is this full-time or contract?
- Full-time for this Software Engineer, Infrastructure (Staff+) role at Lightfield.
From the original posting
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
7+ 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
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
Standard company text repeated across Lightfield's postings is omitted here.