Staff Applied Scientist, Personalization

ONE

Applied Scientist designing and deploying AI and ML solutions for OnePay. Collaborating with product, engineering, and analytics teams to enhance customer experience and drive business growth.

Posted 5/26/2026full-timeRemote • 🇺🇸 United StatesLead💰 $180,000 - $250,000 per yearWebsite

About the role

Key responsibilities & impact

Design and deploy machine learning, deep learning, and LLM models that will shape our customer experience, drive business growth, and improve operational efficiency while collaborating closely with product, engineering, and analytics teams.
Develop personalization and recommendation systems that deliver dynamic, user-centric experiences across our product offerings.
Design and optimize search and retrieval systems to improve discoverability, relevance, and user satisfaction.

Requirements

What you’ll need

7+ years of experience building and productionizing ML/AI models that deliver measurable business impact.
Experience building and productionizing LLM-powered applications, agentic systems, and traditional ML (ranking, recommendations, personalization).
A strong technical background with a degree in Computer Science, Data Science, Applied Mathematics, or a related field.
Fluency in collaborating with Product, Engineering, and Analytics teams to bring AI solutions from ideation to deployment.
Drive and proactivity – everyone here is a builder and executor.

Benefits

Comp & perks

Competitive base salary, stock options, and health benefits from Day 1
401(k) plan with company match
Remote-friendly (US), flexible time off (FTO), and opportunities for growth
A high-growth, mission-driven, inclusive culture where your work has real impact

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

machine learningdeep learningLLM modelspersonalization systemsrecommendation systemssearch systemsretrieval systemsproductionizing ML modelsranking algorithmsdata science

Soft Skills

collaborationproactivitydrivecommunicationteamwork