fullstack engineer javareact

Mainloop AI in Barcelona is seeking a Full-Stack Product Engineer who owns a product end to end—from users and roadmap to build and release—without gatekeepers between you and the people who use it. You'll talk to users in person when possible, decide what comes next, and build front to back.You'll ship features, measure impact, and iterate based on...

We're a US-based local SEO company turning how we deliver for clients into software. We need the engineer who builds it.Rank On Maps gets local service businesses ranking at the top of Google Maps and local search. Over the past year we've built a lot of internal tooling to do that well: reporting, audits, content pipelines, client onboarding. This...

We are a robotics and AI company building intelligent, adaptable systems that solve problems traditional automation never could. We recently closed the largest robotics Series A in Europe's history, and we're looking for the top 0.01% of talent to take on that mission with us, and build the biggest company in the world. By joining us, you will have the...

Avooq is an innovative AI startup that generates complete instant novels on demand. Our mission is to revolutionize literary creation with advanced AI technology, enabling users to obtain coherent and personalized stories in seconds. We believe in the power of AI to democratize storytelling and transform digital entertainment. We are seeking a talented and...

Buscamos un/a Analista Funcional / Desarrollador Full Stack altamente motivado/a, proactivo/a y con gran capacidad de aprendizaje para incorporarse a una iniciativa de transformación bancaria. La persona seleccionada desempeñará un papel clave en la evaluación de las capacidades de dos plataformas bancarias dentro de un programa de migración, combinando...

About UsPerk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time-consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating this shadow work that wastes hours, erodes morale, and saps innovation,...

Twtspain is seeking a Senior Fullstack Software Engineer to join our Madrid/Barcelona team with remote options. You will lead backend architecture using Python and FastAPI, and contribute to frontend with ReactJS, TypeScript, Vite and Tailwind.You will drive high?performance, scalable systems, work with Redis, PostgreSQL, MongoDB, Docker, Kubernetes, Azure...

Corporate Sales Engineer - German (Remote)Spain - BarcelonaGermany - RemoteFull timeR*****As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since ****, our mission hasn't changed - we're here to stop breaches, and we've redefined modern security with the world's most advanced...

Senior Fullstack Software Engineer for Affirm's international expansion, focusing on purchase protection (disputes, refunds) for new markets. Requires strong backend/frontend skills and collaboration.

Tether is hiring a Fullstack Engineer to help QVAC application teams build, review, test, and deliver robust software. You'll focus on desktop and mobile apps, AI harness, and skills packages, while creating developer tools and integrating AI agents into engineering workflows. You will own parts of the tooling roadmap, work with engineers to implement...

Moonfire is a small, fully remote team of senior engineers building Lingo.dev tools used by developers worldwide. You will design, develop, and scale web applications, open source tooling, and robust APIs with a focus on performance and UX. We value CS craft, remote collaboration, and ownership of features end-to-end. You'll work across frontend, backend,...

Software Engineer II, Fullstack (Repayment UX) Remote Spain At affirm, we exist for the moments that matter-giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Repayment UX Engineering team is growing, and we're looking for a Full-Stack Software Engineer. We're a full-stack...

Parser Limited is seeking a Senior Fullstack Engineer in Spain with strong backend/API experience and a focus on microservices, security, and performance. You will collaborate with frontend teams to deliver robust, scalable applications and work across cloud platforms, containerization, and modern tooling. The role requires 8+ years in backend development...

Senior Fullstack Software Engineer for Affirm's international expansion, focusing on purchase protection (disputes, refunds) for new markets.Requires strong backend/frontend skills and collaboration.

Senior Fullstack Software Engineer for Affirm's international expansion, focusing on purchase protection (disputes, refunds) for new markets.Requires strong backend/frontend skills and collaboration.

Capitole is seeking a Senior Fullstack Engineer with a strong frontend mindset to join an international project. You will contribute to the evolution of the central platform used by developers across the organization, focusing on modern frontend experiences, Backstage integrations, and cloud-native solutions. You will develop React-based UI components, build...

Senior Software Engineer, Fullstack (Repayments UX) Remote Spain At Affinist we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Repayment UX Engineering team is growing, and we're looking for a Senior Full-Stack Software Engineer. We're...

Corporate Sales Engineer - German (Remote) Spain - Barcelona Por favor, lea detenidamente la información de esta oferta de empleo para entender exactamente qué se espera de los posibles candidatos. Germany - Remote Full time R30247 As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern...

Health can't wait. Not for symptoms to get worse. Not for a six?month appointment. Not for a system to catch up. But that's exactly how healthcare works today. You wait, until you can't. Alan exists to end the wait. Health is a universal right, and we believe this right can only become real when it's coupled with prevention. We need to stop treating...

Health can’t wait Not for symptoms to get worse. Not for a six‑month appointment. Not for a system to catch up. But that’s exactly how healthcare works today. You wait, until you can’t. Alan exists to end the wait. Health is a universal right, and we believe this right can only become real when it’s coupled with prevention. We need to stop...