web3 fullstack engineer

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...

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...

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...

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...

Talan Spain is seeking a Fullstack Developer for a 4-month contract to deliver a React-based mobile project with a strong focus on performance, offline capability, and efficient data synchronization.You will design, implement, and deploy a mobile-first PWA using React and TypeScript, build APIs with Python/FastAPI or Node.Js, and work with PostgreSQL while...

Senior Software Engineer - Fullstack - Founding Team2 days ago – Be among the first 25 applicants.Get AI-powered advice on this job and more exclusive features.Direct message the job poster from TetraxAI.☀️ Accelerating the Energy Transition, One Algorithm at a TimeTetraxAI is revolutionizing renewable energy infrastructure development, making it100x...

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...

Zinco AI es una empresa española en expansión que busca un/a desarrollador/a capaz de trabajar en todo el stack: back-end en Python, dashboards en front-end y pipelines de IA. Se valorará experiencia en despliegue, monitorización y un enfoque orientado al producto, con ambición de crecer junto a la compañía. Trabajarás en un entorno híbrido, con...

Atmen, a Munich and Madrid-based RegTech startup, is hiring a senior full-stack engineer. You will develop, test, and deploy scalable software across frontend and backend layers using TypeScript, React, Node.js, PostgreSQL, and AWS. You'll own features end-to-end, mentor teammates, and help improve performance while delivering enterprise-grade certification...

Join a greenfield product initiative for a leading company in the fashion retail industry, where you will help design, build, and evolve a new digital solution from the ground up. Working closely with Spanish-speaking stakeholders, you will play a key role in defining the architecture, developing core product capabilities, and delivering an MVP that creates...

Tu misiónSerás uno de los ingenieros que hacen crecer TeamSystem Facturas, un ERP SaaS moderno con una arquitectura sólida y un stack actualizado. Formarás parte de un equipo pequeño donde las decisiones técnicas se toman entre todos y donde lo que construyes se nota directamente en el producto. Tu día a día repartirá el tiempo por igual entre...

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...

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Our momentum comes from a simple idea: help teams work...

Senior Fullstack Engineer (Java/Kotlin + Javascript) Who is Parser? Technology alone does not create impact- the right teams do. Founded in 2018, Parser is a boutique technology services and consulting firm helping global organisations solve complex business challenges through digital transformation, product development and AI enablement. We are a...

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...

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.The ideal candidate has strong problem-solving skills, experience with AI tools, and a deep understanding of RESTful APIs. The role offers a competitive salary,...

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.The ideal candidate has strong problem-solving skills, experience with AI tools, and a deep understanding of RESTful APIs. The role offers a competitive salary,...

Zooplus is seeking a Senior Frontend Platform Engineer in Madrid to shape the shared frontend platform powering customer experiences across Europe. You'll design and evolve platform capabilities, improve developer workflows, and collaborate with engineers across teams to deliver scalable frontend solutions used by millions of customers.Hybrid work 60/40 with...

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...