web3 fullstack engineer

MediaMarktSaturn Technology in Barcelona seeks an experienced Fullstack Engineer to join the Technology Hub. You’ll own front and back features with TS/Node.js, React, GraphQL, and MongoDB, building scalable backend orchestration and shared infrastructure across product teams.You’ll work with GCP and Terraform, improve CI/CD with GitHub Actions, and help...

IRIUM, una empresa enfocada en soluciones de datos, busca un/a FullStack Developer especializado/a en Python y Databricks para un proyecto en el sector bancario. La posición es 100% Remota desde España y permite teletrabajo total.Se requieren al menos 3 años de experiencia en Python y Databricks, así como experiencia en procesamiento y análisis de...

Appfire is seeking a skilled Senior JS/TS engineer to join the Astroneers team, working on JMWE/JMCF products and related features. You will contribute across ideation, design, development, release, and maintenance in a transparent, supportive environment. You will design scalable applications using Effect-TS and Node.js, applying best practices, and...

ERNI is seeking a senior software professional to lead the evolution of an enterprise-wide data governance platform in a hybrid model in Barcelona. You will work with Python and Angular on cloud-native solutions, driving metadata management, data lineage, governance workflows and data product lifecycle management across the organization. xghoner No espere a...

At Appfire, we believe that great work happens when people get to choose how they work. After 20 years of creating software that empowers teams to break silos and collaborate seamlessly, we've learned that one size does not fit all. We're a team of 800+ employees, working remotely across 28 countries. Our flagship products include: JXL, Comala Document...

Appfire is seeking a skilled Senior JS/TS engineer to join the Astroneers team, working on JMWE/JMCF products and related features. You will contribute across ideation, design, development, release, and maintenance in a transparent, supportive environment. You will design scalable applications using Effect-TS and Node.js, applying best practices, and...

We're hiring a senior full-stack engineer who owns real problems end-to-end and shapes how the team builds, from API design and frontend experience through to backend services, production reliability, and launch. You already use AI as part of how you think, build, test, and ship. Design and own features across the stack that move money and manage...

K-LAGAN in Barcelona is seeking a talented Fullstack Developer (Java + React) to join our Software Engineering team. You will build end-to-end applications, delivering interactive front-ends and robust back-end services in a hybrid work setting.You will work with Java, Spring Boot, React, Docker and Kubernetes, collaborating with international teams, and...

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...

Alan is building the new standard in prevention insurance. We are hiring across France, Spain, Belgium, and Canada, with a remote-friendly approach and a focus on scaling a global engineering team.Our Engineering team builds infrastructure, interfaces, and applications to provide first-class service. We move fast, take ownership, and tackle big problems with...

AI Engineer / Full Stack Developer - AI Reporting & Insights Madrid, Spain Full time Are You Ready to Make It Happen at Mondelēz International? Make It Uniquely Yours. You provide software and application knowledge to support implementation of the given solutions. You will ensure that delivered services are optimized to meet business demands and...

Tamarind Intelligence busca un Ingeniero y Desarrollador Fullstack para un rol remoto en Europa con 5–7 años de experiencia. Será responsable de diseñar y construir APIs y microservicios seguros, integrando soluciones en la nube y pipelines de DevOps para entregar software completo y escalable. El candidato ideal tendrá experiencia en tecnologías...

A leading financial technology firm is seeking a Full Stack Data Analyst to join their Critical Data Products team.¿Quiere enviar su solicitud? Lea toda la información sobre este puesto a continuación y luego pulse el botón de solicitar.In this role, you will convert payment data into actionable insights, support payment migrations, and empower teams...

A tech company in Madrid is seeking a talented Software Engineer to join their Engineering team.Por favor, verifique que tiene el nivel de experiencia y las cualificaciones adecuadas leyendo la descripción completa de esta oportunidad a continuación.You'll design and develop features for their next-generation AI tool, ensuring scalability and security.The...

Alan is building the new standard in prevention insurance. We are hiring across France, Spain, Belgium, and Canada, with a remote-friendly approach and a focus on scaling a global engineering team.Our Engineering team builds infrastructure, interfaces, and applications to provide first-class service. We move fast, take ownership, and tackle big problems with...

Alan is building the new standard in prevention insurance, and as a Software Engineer on the billing platform you will power multi-country transactions with Python/Flask, React and PostgreSQL. You will design core billing engines, ensure reliability, and collaborate across product, design, and ops to scale globally.This role offers flexible office and remote...

Alan is building the backbone of its billing operations across multiple countries. As a Software Engineer on the billing platform, you will ship scalable, reliable systems and turn complex transactions into a smooth, high‑quality experience for customers and internal teams.You will design modular primitives, integrate with payment platforms, automate...

Exoticca Travel UK Limited in Barcelona is seeking a Senior Back-end Software Engineer. This position involves building systems for travel product configuration and ensuring operational excellence.Compruebe a continuación si tiene lo necesario para esta oportunidad y, si es así, envíe su solicitud lo antes posible.The ideal candidate has strong...

HiveMQ’s Vision for this roleLa experiencia que se espera de los solicitantes, así como las habilidades y cualificaciones adicionales necesarias para este trabajo, se enumeran a continuación.We aren't just using AI to help us code; we are an AI-native engineering organization. Our next major milestone is architecting a swarm of autonomous coding bees –...

WayOps busca un Senior Fullstack AI Engineer para diseñar, desarrollar y evolucionar aplicaciones corporativas en un entorno enterprise, con foco en arquitectura, integración y automatización inteligente mediante IA.El rol implica liderazgo técnico, colaboración con equipos de desarrollo y datos, y definición de soluciones escalables a largo plazo. Se...