Summary
Marco Solazzi is a senior frontend developer based in Tokyo with 14 years of professional experience and a 20-year background in web development, specializing in UI development and frontend design systems. Currently leading frontend efforts on Mercari's Ads team, he has a strong track record building internal UI libraries, shaping web application architecture, and improving developer experience through shared tooling and infrastructure. He repeatedly steps into roles that bridge design and engineering, from design-system work at SHIFTBRAIN to frontend ops and DX leadership at Merpay. An active open-source-minded engineer, he values knowledge-sharing and contributes to the wider frontend community to elevate team practices. Notably, his career blends hands-on component development with architect-level decisions, making him effective at both shipping interfaces and scaling the developer stack.
14 years of coding experience
14 years of employment as a software developer
Communication sciences, Mass Media, Communication sciences, Mass Media at Università degli Studi di Modena e Reggio Emilia
Italian, English, French, Japanese