Staff Backend Engineer, Recommender Systems at Raya

About Raya

Raya is seeking a Staff Backend Engineer to lead the technical architecture and hands-on development of our recommendation ecosystem. You will be instrumental in building and evolving sophisticated, multi-stage retrieval and ranking systems. This role requires bridging applied Machine Learning/Artificial Intelligence with production backend engineering to deliver algorithms that are both performant and intelligent. You will join at a pivotal moment as we scale our recommendation systems to support significant growth and increasingly complex marketplace dynamics.

Key Responsibilities

• Architect and build advanced recommendation systems.
• Develop and evolve multi-stage retrieval and ranking systems.
• Integrate applied ML/AI models into production backend infrastructure.
• Ensure recommendation algorithms are both performant and intelligent.
• Scale recommendation systems to support significant growth.
• Address complex marketplace dynamics through system design.

Company Benefits

• Medical and dental coverage.
• $50/day meal stipend (choice of Uber Eats, Grubhub, or Doordash).
• Unlimited vacation.
• $1,000 a year for travel to a new international destination.
• 12 weeks paid parental leave.
• Learning opportunities.