AI/ML Engineer ($250k-$400k + Equity) at Known

About the role

You will own the core matching and recommendation engines from zero to production scale. Working alongside founders from Uber and Cash App, you’ll build the systems that define the user experience for this voice-first dating app.

Responsibilities

• Design and implement the production-scale recommendation and ranking algorithms that power the core single-match experience for every Known user.
• Lead the transition of matchmaking systems from experimental prototypes to robust, scalable production environments capable of handling high-growth consumer traffic.
• Grow and mentor a small, high-performing technical team while maintaining a hands-on approach to shipping high-quality, user-facing personalization features.

Requirements

• Proven experience building and scaling user-facing recommendation, matching, or ranking algorithms at an early-stage consumer company like Tinder, Instagram, or Spotify.
• Significant tenure as an early engineer during a 0→1 or rapid scaling phase, having stayed to see systems reach production maturity and scale.
• Strong leadership background with experience growing small technical teams and a passion for building intimate, high-signal personalization experiences for end users.

Qualifications

• Expertise in scaling user-facing algorithms for consumer personalization.
• Hands-on experience with machine learning and data science.
• Experience with distributed systems and cloud platforms.
• Strong problem-solving skills and ability to work independently and collaboratively.

Skills

• Strong understanding of machine learning algorithms and techniques.
• Experience with natural language processing and speech recognition technologies.
• Proficiency in Python, Java, or other relevant programming languages.
• Excellent communication and interpersonal skills.

Benefits

• Competitive salary range of $250k-$400k plus equity.
• Opportunity to work with a talented and experienced founding team.
• Work in the heart of San Francisco, surrounded by innovation and culture.

Pay

$250k - $400k + Equity

Schedule

Full-time