Technologies: React.js React Native Ruby Node.js Location: Attica, Metamorphosi, Greece At Blastup, we turn ideas into digital experiences that make an impact. Were a boutique development agency where innovation meets craftsmanship and where every project gets the attention it deserves. Were looking for a Senior Developer whos passionate about building modern, high-performance applications across web and mobile. Someone who writes elegant code, mentors others, and thrives in an environment that values ownership, curiosity, and collaboration. If you love React, React Native, and backend development, and youre excited to help shape cutting-edge SaaS and eCommerce projects (like Reactive and Worldline All-in-One), wed love to meet you. Requirements 3+ years of professional experience in full-stack or frontend development. Proven expertise with React.js or React Native in production environments. Strong understanding of JavaScript (ES6+), TypeScript, and component-driven architecture. ...