Octopus Energy in Spain seeks a Senior Frontend Engineer to own frontend architecture for onboarding flows, private areas, and customer dashboards. You’ll collaborate with international teams to deliver high-impact frontend features across Europe.You’ll focus on TypeScript/React, Next.Js, GraphQL, and CSS-in-JS while keeping an eye on backend opportunities (Python/Django) if you’re interested. Hybrid setup in Barcelona/Valencia; full-time role.#J-18808-Ljbffr