Senior React Frontend Engineer — Ownership

ERNI is seeking a senior Software Engineer to join our Industrial Automation software platform. You will apply your React expertise and software design experience to build high-quality, responsive features as part of a global development team. As a senior profile, you will mentor others, participate in code and design reviews, and drive quality through unit...

Barcelona, Spain · Full-time · Fully office-based €55,000–€70,000 gross per year Candidates must already be based in Barcelona. Visa sponsorship is not available. Help make powerful AI feel simple. Migma is building an AI platform that creates and sends on-brand email campaigns end to end. We are a two-person founding team in Barcelona, hiring a...

NTT DATA Europe & Latam is seeking a Frontend Developer to build modern, reliable digital experiences that solve real challenges. You will join a product-minded, agile team and contribute to scalable applications and evolving engineering practices. You will work with Angular, React and TypeScript, create reusable components, integrate with APIs, and...

Enginy ищет опытного фронтенд-разработчика с сильной экспертизой в React и TypeScript для масштабирования AI‑native GTM-платформы. Встречи с продуктом, дизайном и бэкендом для реализации комплексных UI и API,...

Octopus Energy is seeking a Senior Frontend Engineer in Barcelona or Valencia, Spain, to own frontend architecture for customer onboarding, private area, and billing features. You will collaborate with international teams across Europe, shaping fast-paced, customer-focused frontend solutions. You will work primarily on frontend, with opportunities to...

MediaMarktSaturn Technology is seeking a Senior Frontend Software Engineer to design, develop, and maintain scalable web applications using React and TypeScript. You will build reusable UI components, optimize performance, and collaborate with product, design, and backend teams across multiple workstreams. You will work in a hybrid setup from our Barcelona...

Rover is expanding its Client Platform team in Barcelona. We are seeking a senior frontend engineer with a strong web and React Native background to own cross‑platform UI work, set standards, and mentor local engineers. This is a hybrid role based in Barcelona's Poblenou, two days per week in-office, with relocation considered.The role emphasizes building...

Enginy, a Barcelona-based startup building an AI-native GTM platform, is seeking a Frontend Engineer to own dashboards, campaign builders and reporting UIs. You’ll work with Product and Design to shape the frontend as the product scales.You should have 5+ years of frontend experience, strong TypeScript and React, and a passion for performance and user...

Enginy AI in Barcelona is building an AI-native GTM platform; as a Frontend Engineer you'll own dashboards, campaign builders and reporting UIs that turn a powerful engine into a product people love. You will work with Product and Design to shape frontend as we scale.Ideal candidates have 5+ years of frontend experience, strong TS/React, and a passion for...