Machine Learning Engineer (Staff)
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At a glance
Requirements
Credentials this posting asks for.
Job overview
Lightfield, an AI‑native CRM, is expanding its AI/ML team to build domain‑specific large language model solutions. The Staff Machine Learning Engineer will create differentiated AI experiences, shape strategy with founders, identify user problems, prototype LLM‑powered features, and help grow the engineering team through recruiting and mentorship.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
About Lightfield Lightfield is an AI-native CRM that assembles itself from your email, calendar, and meetings. It captures every interaction and turns it into organized context: accounts, tasks, follow-ups, and insights, so nothing slips through the cracks. We’re rethinking CRM from first principles. Instead of forcing teams to maintain rigid systems, Lightfield learns from how companies actually work, adapting, automating, and surfacing the insight that drives growth. We’re building the CRM platform we always wished existed: fast, intelligent, and genuinely helpful. The market agrees. Over 5,000 companies have used Lightfield since we launched in November, making us the fastest-adopted product in our category. We are backed by Greylock, Lightspeed, and Coatue, and our founders previously built Tome, a generative AI presentation product used by over 25 million people. Before Lightfield, our team worked on Llama, Instagram, Facebook Messenger, Pinterest, Google, and Salesforce.
About the role Lightfield's AI/ML team builds the experiences at the core of our product, developing new applications to wow our customers. Today, the team is focused on building a powerful, domain-specific AI that outperforms generic LLMs. We’re inspired by the challenge of creating innovative new AI products for people doing serious work, and we’re looking to grow our AI/ML team to meet that challenge.
What you'll do
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Create and ship magical, highly-differentiated AI experiences that sales teams are eager to use
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Craft Lightfield's AI/ML strategy in tight collaboration with founders and execs
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Identify user needs that are well suited for AI/ML solutions, frame the problems, and collaborate with product leaders on solutions
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Prototype innovative, LLM-powered experiences, and drive their development into robust product features
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Help build a world class AI/ML engineering team by recruiting and mentoring teammates
Who you are
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You have a BS or MS degree in CS, AI, or applied math
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You have 7+ years of experience building AI/ML based products in NLP domains
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You have a strong understanding of deep learning AI/ML frameworks or cloud services
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You have hands-on ML Ops experience
Bonus Points
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Experience leading AI/ML product initiatives
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Publications in applied AI/ML scientific journals
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Experience navigating open source/vendor solutions in LLM ops space (LangChain, Llama, Pinecone, etc)
Benefits & Perks
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Competitive salary
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Meaningful early equity
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Health insurance (medical, dental, vision)
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3 weeks of PTO
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11 paid company holidays + we enjoy a winter holiday break
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3 months of paid family leave
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Wednesdays work from home
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Regular team dinners, events, offsites, and retreats
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401k plan
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Other perks include: commuter and lunch stipend
You've read the whole posting — now see how you match it.