[Remote] Lead Product Designer, Spark

Note: The job is a remote job and is open to candidates in USA. Lightspark is creating the Money Grid, modern, open financial infrastructure that makes payments accessible, affordable, and instant for businesses and users worldwide. In this role, you will shape how users experience a new Bitcoin payment layer by designing tools, prototypes, and marketing assets to communicate Spark's capabilities.ResponsibilitiesBuild the product. Own the design of Spark's developer-facing tools, dashboards, and wallet experiences. Make the complexity of L2 infrastructure, stablecoin settlement, and multi-chain interoperability feel simple and trustworthyShip prototypes and demos. Build functional, high-fidelity prototypes that show partners and prospects what Spark can do, not mockups, but working software you can tap through and share. Think interactive demos, proof-of-concept integrations, scenario walkthroughsCreate marketing and launch assets. Design and build pages, visuals, and materials that communicate Spark's capabilities to developers, enterprises, and the broader crypto ecosystem. You'll help tell the story of what's possibleWork across Lightspark. While Spark is your primary focus, you'll contribute to the broader Lightspark product and brand alongside three other designers. Small team means you'll have rangeUse AI to move faster. AI isn't a bullet point here, it's how the team works. You'll use tools like Cursor and Claude to prototype, iterate on UI, and compress the distance between idea and shipped productSkillsMinimum 5+ years of experience shipping high-quality digital products at a product-driven companyStrong visual and interaction design skills, you care about craft and it shows in your portfolioFluent with AI-assisted design and development workflows. You already use tools like Cursor, Claude, Copilot, or similar to accelerate your workExperience designing for technical audiences: developers, platform teams, or infrastructure productsSelf-directed. You can take a loosely defined problem, figure out what needs to exist, and build fastExperience with crypto, payments, fintech, or developer toolsFamiliarity with Bitcoin, Lightning, stablecoins, or L2 networks — or the curiosity to learn fastComfortable working in or around code (HTML/CSS/JS). Not a requirement — AI handles a lot of the heavy lifting — but it helpsA portfolio that includes prototypes, demos, or interactive experiences — not just static screensExperience on a small design team where you wore multiple hats (product, brand, marketing, prototyping)An eye for motion, interaction, and the small details that make software feel consideredCompany OverviewBuilds payments infrastructure for digital banks, wallets and exchanges, real-time global money movement for Bitcoin, fiat, and stablecoins. It was founded in 2022, and is headquartered in Los Angeles, California, USA, with a workforce of 51-200 employees. Its website is https://www.lightspark.com/.