Empleos de senior fullstack engineer en Barcelona

Build the Infrastructure Powering Global InvestingCan you design, build, and operate scalable distributed systems whilst still shipping customer-facing products?Have you built software that serves millions of users, processes large volumes of data, or supports mission-critical business operations?Do you enjoy solving complex engineering challenges across...

Join one of Southern Europe's fastest-growing startups Enginy is a Barcelona-based startup and one of Southern Europe's fastest-growing companies ranked #3 in the Sifted 100: Southern Europe 2026, and we're just getting started. We're building the AI-native GTM platform for modern B2 B teams, combining prospecting, enrichment, intent signals, AI research and...

Join one of Southern Europe's fastest-growing startups Enginy is a Barcelona-based startup and one of Southern Europe's fastest-growing companies ranked #3 in the Sifted 100: Southern Europe 2026, and we're just getting started. We're building the AI-native GTM platform for modern B2 B teams, combining prospecting, enrichment, intent signals, AI research and...

Build the Infrastructure Powering Global InvestingCan you design, build, and operate scalable distributed systems whilst still shipping customer-facing products?Have you built software that serves millions of users, processes large volumes of data, or supports mission-critical business operations?Do you enjoy solving complex engineering challenges across...

About our clientOur client builds a leading digital identity and fraud prevention platform used by banks, fintech companies, online marketplaces, and other regulated businesses worldwide. Their products combine biometric identity verification, document and image processing, and advanced fraud detection to help customers balance frictionless digital...

AtWorkfully , we’re building the first global recruitment marketplace where independent recruiters can grow, engage, and monetize their talent networks — connecting them to meaningful opportunities at innovative companies worldwide.Our technology is designed to make recruiting more transparent, fair, and scalable. We’re a profitable early-stage company...

We are bsport. The place to be! bsport is an all-in-one platform combining boutique fitness and advanced technology. Our platform helps our partners manage their bookings, payroll, marketing and more, to streamline operations and boost their commercial success. Since we launched in 2019, we have already achieved the following: We’ve built a community of...

Capitole is growing fast and seeking a Software Engineer in Barcelona to join a multidisciplinary team building Drives Configuration and Programming software for a global leader in industrial automation. You will own features end-to-end, design solutions, review code, and collaborate with teams across Japan, the US and the Netherlands to deliver high-quality...

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,...

Senior Fullstack Engineer / Tech Lead – Plataforma IoTReferencia: #32026Localización: Barcelona Te motiva liderar la evolución técnica de una plataforma propia que está a punto de desplegarse en varios países? Quieres tener autonomía real, impacto directo y la posibilidad de marcar estándares tecnológicos desde cero? Esta oportunidad es para...

At Workfully , we’re building the first global recruitment marketplace where independent recruiters can grow, engage, and monetize their talent networks — connecting them to meaningful opportunities at innovative companies worldwide. Our technology is designed to make recruiting more transparent, fair, and scalable. We’re a profitable early-stage...

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...

Krell Consulting & Training, S. L. busca un/a Senior Fullstack Developer con sólida experiencia en Java, Spring Boot y tecnologías frontend para un proyecto tecnológico con IA. La posición es híbrida en Barcelona, con aproximadamente un día presencial por semana. Se valoran experiencia en APIs REST, entornos Cloud y herramientas de IA de desarrollo,...

Experis, a ManpowerGroup company, seeks a Senior Software Engineer to join Kompanion as a core early member in Engineering. You will build the foundations of an AI-native platform for critical tax, accounting, and financial workflows, owning features end to end and shaping product and engineering standards.You’ll work with Java, Spring Boot, Next.js, and...

Senior Fullstack Engineer / Tech Lead – Plataforma IoTReferencia: #32026Localización: Barcelona Te motiva liderar la evolución técnica de una plataforma propia que está a punto de desplegarse en varios países? Quieres tener autonomía real, impacto directo y la posibilidad de marcar estándares tecnológicos desde cero? Esta oportunidad es para ti....

Senior Fullstack Engineer / Tech Lead – Plataforma IoTReferencia: #32026Localización: Barcelona Te motiva liderar la evolución técnica de una plataforma propia que está a punto de desplegarse en varios países? Quieres tener autonomía real, impacto directo y la posibilidad de marcar estándares tecnológicos desde cero? Esta oportunidad es para...

Senior Fullstack Engineer in Madrid/Barcelona (remote) for an International clientJob role: Senior Fullstack Software EngineerJob description: A Senior Fullstack Software Engineer with high experience in DevOps, Kubernetes & Python.Location: Madrid/Barcelona (Remote)Languages required: English (C1) MANDATORYMinimum experience: 5 to 7 yearsRate:...

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...

THEWHITEAM Consulting is seeking a Senior Fullstack Developer to join a dynamic technology team in Barcelona. You will build robust web apps with Next.Js, React, and Tailwind on the frontend, and Python with Fast API on the backend, while contributing to cloud-based solutions using AWS in a Scrum environment. You will mentor junior developers, collaborate...