Product Designer
Lisbon, Portugal, Remote
Limitless Labs is a prediction market, blockchain & AI lab founded in December 2023. We recently closed a $10M Seed Round led by 1confirmation, alongside Collider Ventures, Digital Currency Group (DCG), Node Capital, Arrington Capital, Coinbase Ventures, F-Prime Capital, Flyer One Ventures, and SID Venture Partners.
Before Limitless, our team built viral products that reached #1 on the App Store in the US, surpassing TikTok, Zoom & Instagram during COVID. Reface was #1 on the App Store & Google Play in over 100 countries, with 300 million downloads, backed by a16z.
Our prior crypto work has been funded by Vitalik, Optimism, Yearn Finance & others, spanning consumer social products to RWAs & non-profit initiatives.
What we’re building
limitless.exchange is the largest prediction market on Base, and we're scaling it to viral, mainstream adoption. We’ve processed over $500M in trading volume, with a focus on financial markets like crypto, stocks, and commodities. We’re seeing strong signs of product-market fit: 40% 7-day retention among traders, with the average user spending 5.5 hours per week on the platform.
Role overview
We’re looking for a highly skilled and product-driven Senior Product Designer to join our fast-growing team. You will own the end-to-end design process - from research and ideation, to UX flows, prototyping, and polished UI. Your mission is to craft high-impact, intuitive experiences that help millions of users engage with prediction markets, financial products, and decentralized systems.
This role is ideal for a designer who thrives in zero-to-one environments, ships quickly, and has a strong product intuition backed by data and user behavior insights.
You will
Lead end-to-end product design across core prediction market, trading, and social features
Translate complex blockchain and financial concepts into intuitive user experiences
Drive research: user interviews, competitive analysis, behavioral insights
Collaborate closely with product, engineering, and founders to shape roadmap and product direction
Develop wireframes, prototypes, design systems, and high-fidelity UI assets
What you bring
4+ years of product design experience working on consumer or fintech products
Experience with motion design, particularly micro-interactions and UI animations
Demonstrated ability to design complex systems with simplicity and clarity
Strong UX fundamentals and a portfolio that showcases both craft and product thinking
Experience designing for data-dense or trading-style interfaces (a plus)
Proficiency with Figma and modern design workflows
Excellent communication and cross-team collaboration skills
Ability to think in systems and contribute to a scalable design system
A strong sense of ownership - you care about outcomes, not just output
Nice to have
Experience conducting product discovery or user research
Experience working in fast-paced startups
Motion design or micro-interaction skills
Strong product intuition supported by A/B testing or analytics
GMT-friendly timezone
Benefits
Competitive option stock & salary based compensation
Unlimited PTO
Global team off-sites
Professional development opportunities
Hardware (if needed)
Office in Lisbon
Published on: 1/19/2026

Limitless Labs
limitless.exchange is a prediction market app we’re scaling to viral, mainstream adoption. We processed more than $170M in trading volume, with a focus on financial markets like crypto, stocks & commodities. We have strong signs of PMF, with 40% 7 day retention among traders and the average trader spending 5.5hrs per week on the platform.