Applied Scientist, Personalization Lead

About the team

We explore and apply new AI methods to deliver safer, smarter product experiences. We work across research, engineering, and product.

About the role

You will own meaningful scope in AI Research. You will partner across Product, Engineering, Design, Data, and GTM to ship value fast.

What you’ll do

• Design and evaluate models for ranking, generation, or routing.
• Build datasets, training pipelines, and evaluation harnesses.
• Translate research into shipped product features with Engineering.
• Apply safety and privacy best practices to model and data work.
• Publish internal reports and demos to inform roadmap decisions.
• Build offline and online evals for model quality and safety.

First 90 days

• 30d: reproduce a baseline and ship an offline eval harness
• 60d: deliver an improvement on a key metric with a controlled experiment
• 90d: launch a model or component to production with safety checks

What you’ll bring

• Relevant experience in a similar role within SaaS or platforms
• Ability to turn ambiguity into clear plans and shipped work
• Strong collaboration across functions and comfort with data
• Clear written communication and simple, practical thinking
• Bachelor’s or higher in Computer Science, Mathematics, Statistics, Electrical Engineering, or a related field

You’ll do well here if you

• Care about customer outcomes and craft
• Enjoy shipping fast and improving with data
• Keep things simple and raise the quality bar

Compensation and benefits

• Base 180k to 250k USD. Equity and comprehensive benefits. Local ranges apply outside the US.. Equity and comprehensive benefits. Local ranges apply outside the US.. Equity and comprehensive benefits. Local ranges apply outside the US.. Equity and comprehensive benefits. Local ranges apply outside the US.
• Competitive equity grants
• Health, time off, learning, and wellness benefits; details vary by location
• High-spec laptop and budget for your workspace

About the team

• Build the core of HoopAI’s customer platform used across EMEA.
• Partner with Product, Design, and Security to ship resilient systems with clear SLAs.
• Operate in a CI/CD environment with trunk-based development and robust observability.
• Balance iteration speed with reliability, testing, and long-term maintainability.

What you'll do

• Design, build, and review production code across the stack.
• Collaborate cross-functionally and communicate crisply.
• Own quality: tests, observability, and performance instrumentation.
• Ship iteratively with measurable impact and clear owners.
• Document decisions and tradeoffs for future maintainers.

What you'll bring

• Bachelor’s degree in a relevant field
• Strong ownership, bias to action, and crisp communication.
• Ability to work across time zones with clear written updates.