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Open nowPosted 637 days ago

Staff Software Engineer, Infrastructure

Lightfield25 open roles

Pay
$220,000 – $300,000 a year
Where
HQ: San Francisco
Work mode
On site
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Your applicationOpen nowStaff Software Engineer, InfrastructureLightfield · HQ: San Francisco

  1. YouYes, apply to this one.

  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on Lightfield's own form.

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The clock on this job

Early applications get read.

11.3% of postings close within 7 days. Measured by our own scanner across the market. Lightfield postings stay open a median of 28 days.

Share of postings closed within
  1. 2.0%1 day
  2. 4.2%3 days
  3. 11.3%7 days
  4. 17.6%14 days
  5. 34.3%30 days
  6. 43.5%60 days
This job: posted 637 days ago

Lightfield median: 28 days open

The posting

ABOUT LIGHTFIELD

Lightfield is reimagining CRM as a world model of a business. By learning from emails, meetings, and customer conversations, we’re building a living understanding of how a company works—so AI can help teams anticipate what comes next, make better decisions, and take action.

More than 5,000 companies have used the product since its November launch. We’ve raised more than $70M from Andreessen Horowitz, Coatue, Maverick Ventures, and Greylock to attack the biggest software category in the world. We previously built Tome, which reached more than 25 million users, and our team brings experience from Llama, Instagram, Google, and Salesforce.

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

- 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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