Lead Product Designer — Payments / Bitcoin L2

develops payments infrastructure enabling instant, low-cost global transactions using Bitcoin and stablecoins. Its products support enterprise use cases including wallets, deposits, and cross-border payments, with infrastructure designed for scalability and real-time settlement.

This role is focused on Spark, a Bitcoin Layer 2 system designed for instant and interoperable payments. The Lead Product Designer works closely with engineering and product teams to design developer-facing tools, dashboards, and wallet experiences. The position owns end-to-end design execution, from interactive prototypes to production-ready interfaces, contributing to how complex payment infrastructure is translated into usable systems.

🔹 Responsibilities

• Own design of developer-facing tools, dashboards, and wallet experiences for the Spark product
• Simplify complex concepts such as Layer 2 infrastructure, stablecoin settlement, and interoperability into intuitive interfaces
• Build functional, high-fidelity prototypes and interactive demos for partners and internal use
• Design marketing and launch assets to communicate product capabilities across technical and enterprise audiences
• Collaborate with engineering and product teams to deliver production-ready solutions
• Contribute to broader product and brand design initiatives within a small, cross-functional team
• Utilize AI-assisted tools (e.g., Cursor, Claude, Figma) to accelerate design and prototyping workflows

🔹 Requirements

• 5+ years of experience designing and shipping digital products
• Strong visual and interaction design skills demonstrated through a portfolio
• Experience using AI-assisted design and development tools such as Cursor, Claude, or similar
• Experience designing for technical audiences including developers or infrastructure products
• Ability to work independently and translate ambiguous problems into actionable design outputs

Preferred

• Experience in crypto, fintech, payments, or developer tools
• Familiarity with Bitcoin, Lightning Network, stablecoins, or Layer 2 systems
• Comfort working with front-end technologies (HTML, CSS, JavaScript)
• Portfolio showcasing prototypes, demos, or interactive experiences
• Experience working in small teams with cross-functional responsibilities
• Attention to motion, interaction, and detail in product design

🔹 Compensation & Benefits

• Salary range: $200K – $235K (USD)
• Equity participation
• Bonus eligibility
• Health insurance (medical, dental, vision)
• Company-paid life insurance
• 401(k) with matching
• Flexible work schedule
• 20 days paid vacation + holidays
• Family leave policies

• FSA/DCA accounts

If you're planning to build a web3 engineering team or expand into payments infrastructure and Bitcoin L2 systems, ArtOfBlockchain surfaces high-signal roles across protocol, product, and design.