Senior Node.Js Backend Engineer — Remote

Barcelona, Spain · Full-time · Fully office-based€65,000–€85,000 gross per yearCandidates must already be based in Barcelona.Visa sponsorship is not available.Build the systems behind AI-powered email marketing.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,...

Capitole busca un/a Senior Backend Engineer con amplia experiencia para unirse al equipo en Barcelona.Desarrollarás el backend de la plataforma, creando APIs REST seguras e integraciones con sistemas internos y de terceros.Trabajarás con Node.Js/Type Script, Postgre SQL y Redis, en una arquitectura API-first sobre Azure, con prácticas Dev Ops y seguridad...

Sanoma Learning in Barcelona is seeking an experienced back-end developer to join their Scrum-based team.Puede obtener más detalles sobre la naturaleza de esta vacante y lo que se espera de los solicitantes leyendo la información a continuación.You will contribute to the development of a cloud-native platform crucial for secondary education.The ideal...

MEDvidi is seeking a Senior Backend (Node JS) Engineer to lead AI automation integrations within our telemedicine platform, designing and scaling backend systems that connect our core product with AI services for thousands of patients and providers.You will work at the intersection of backend engineering and applied AI, building production-grade...

Tether Operations Limited is seeking a Node.js Software Engineer to join a remote, globally distributed team.You will develop and maintain the P2P stack and help expand our ecosystem of modular code and npm modules.The role emphasizes robust testing, high-quality code, and strong collaboration across time zones.You will work with native Node.js extensions...

About Qualifyze,Founded in ****, Qualifyze is a leading company in supply chain compliance management in the Life Sciences industry, trusted by over 1,500 pharmaceutical and healthcare companies globally.Our digital suite of solutions connects manufacturers, suppliers, and a global network of more than 250 auditors and quality experts.With a track record of...

Trading-21 is seeking a Senior Software Engineer (Backend) for its fully remote engineering team.You will design, develop, and maintain scalable backend systems powering innovative products, collaborating with engineers, product managers, and designers across all development phases.Occasional travel for team meetups may be required, with remote work centered...

At Frekuent, we don't build backend systems for their own sake — we build the engine behind products people actually use. You'll join a lean, senior product engineering team where ideas move from a Slack thread to production in days, not quarters, and where every tool at your disposal — including the AI ones we build with daily — is treated as...