Summary
Maksim Kosterin is a Senior Developer with nearly a decade of professional experience and about 15 years working with ECMAScript, specializing in full-stack JavaScript/TypeScript for startups and established companies. He has hands-on expertise building UI/UX, reusable component libraries, and Strapi-backed APIs, with a strong emphasis on test-driven development (unit and E2E) and CI/CD automation using Docker and IaC. Maksim has led cross-functional Scrum teams, improved front-end architectures, and maintained Storybook documentation to boost component adoption and developer productivity. Comfortable bridging product and data-science teams, he has delivered ML-facing UI work and production integrations at companies like Oncoshot and Braze. Based in Valencia, he combines deep frontend craftsmanship (including a long history with interactive Flash interfaces) with a focus on developer experience and pragmatic tooling to make teams more efficient.
9 years of coding experience