Applications are closed for this role. It was originally posted 2026-04-20. It’s no longer accepting applicants — see roles Coframe is still hiring for →, or browse the live openings below.
About this role
We’re looking for Applied Scientists to turn raw data across Coframe-managed surfaces into decisions, measurable lift and insights. This role sits at the intersection of reinforcement learning, experimentation and ranking/personalization.
Your strategies and models will generate lift (though revenue for customers) without any humans in the loop.
YOU’RE A GREAT FIT IF YOU HAVE:
- built production machine learning systems end to end
- strong statistics fundamentals and practical judgment with real-world data
- experience with ranking, optimization, personalization, bandits, or recommendation systems
- great communication skills to explain complex technical problems and solutions to the rest of the team and to understand the real need and pain of the business we serve.
- worked in growth or conversion teams before
WHAT YOU'LL DO:
- convert product problems into ML problems
- build systems that optimize conversion, engagement, and revenue using various strategies
- build simulation and evaluation frameworks for such systems
- develop experimentation, causal inference, and measurement frameworks
- build models for personalization, ranking, targeting, and allocation
- detect opportunities for automated gains across customer programs, analyze performance of existing systems
- build single optimization system across multiple product lines
BENEFITS:
- Flexible (Unlimited) Paid Time Off
- Medical, Dental, and Vision benefits for you and your family
- Life Insurance and Disability Benefits
- 401k Plan with Coframe match
- Meals covered in-office
- Gym membership
ABOUT US:
- At Coframe, we are building a future where user and agent interfaces can adapt, evolve, and personalize themselves.
- We are a primarily in-person company based in San Francisco.
- We are well-capitalized with backing from Khosla Ventures, Nat Friedman, the founder of Android, and others.
- We are generating revenue, growing rapidly, and trusted by companies you definitely know.
- Our team is small and talent-dense, consisting of competitive programmers, former founders (our founder https://www.linkedin.com/in/joshpxyne/ previously co-founded a unicorn), and AI researchers from top institutions who have created a few of the most popular OSS code generation projects.
"You guys are insane." - OpenAI team
"Coframe makes you feel like you have a team of 100 people." - Replit team