About Joi AI
Joi AI is a platform for personalized, emotionally intelligent connections between people and AI characters. Its characters have their own personalities, moods, and voices, and the platform serves emotional and intimate needs. Joi Lab is its open research arm, building open-source generative models, agent architectures, and training infrastructure.
Responsibilities
•Own the end-to-end user experience, from ad creative and landing pages through onboarding, character selection, chat, media generation, and retention loops
•Move product metrics through design by forming hypotheses, prioritizing them against the roadmap, validating them through A/B tests, and taking them to release with measurable outcomes
•Set a single design direction and evolve the design system, including UI, UX patterns, character visual language, generated content, animation, and UX copy
•Lead and grow the design team, and build cross-functional relationships with product, analytics, marketing, and engineering from prototype to release
•Turn user research, interviews, and support insights into concrete roadmap initiatives with clear rationale and an implementation path
Requirements
•At least 3 years leading a design team of 3 or more in B2C daily-use products
•Experience with products at 2M+ MAU or $50M+ revenue
•Provide cases showing how design work measurably moved the business, including what changed, why, and before-and-after conversion, retention, or LTV numbers
•Strong product design expertise in UX, UI, user flows, information architecture, and prototyping
•Fluent in Figma; experience building and maintaining design systems
•Experience working within the product function, including A/B testing, prioritization frameworks such as RICE, and research that reaches the roadmap
•A strong visual eye and an analytical mindset
•English at C1 or above
•Genuine comfort with adult and AI-companion content
Nice to have: hands-on experience with AI-generated visual content tools such as Nano Banana, Higgsfield, and Wan
Conditions
•28 days of annual leave
•7 yearly wellness days for personal administration or recovery, with no sick notes required
•Referral rewards up to $5000
•50% of training, conference, and global meetup costs covered
•Subsidized English classes through a corporate discount
•Up to $1,000 annually for medical fees or private insurance if not on the group plan
•Office equipment or $1000 every three years for a home office or co-working setup
•Peer-to-peer recognition bonuses redeemable for swag, massage vouchers, or team adventures
