Empleos de full-stack java engineer legacy modernization cloud en Barcelona

N-iX is a global software development service company that helps businesses across the globe create next-generation software products. Founded in 2002, we unite 2,400+ tech-savvy professionals across 40+ countries, working on impactful projects for industry leaders and Fortune 500 companies. Our expertise spans cloud, data, AI/ML, embedded software, IoT, and...

N-iX is a global software development service company delivering next-generation software for Fortune 500 clients and global partners. We are seeking an experienced Technical Lead / Full Stack Engineer (Java + React) to steer architecture, coding, and DevOps across innovative products in a flexible work environment.You will mentor engineers, drive XP...

Social Discovery Group (SDG) is a group of social discovery companies. SDG solves the problems of loneliness, isolation, and disconnection - transforming virtual intimacy into the new normal. SDG’s products redefine the way people interact and connect with one another.Our portfolio includes social entertainment platforms designed to connect people online...

SlashMobility SlashMobility es una firma boutique tecnológica que está construyendo algo diferente a la consultoría tradicional. No queremos ser una fábrica de horas ni una consultora masiva. Estamos creando una casa para la Tecno Élite: profesionales que quieren trabajar con grandes corporaciones en retos reales, con equipos pequeños, muy buenos...

Leadtech is seeking a Senior Full Stack Product Engineer to drive end-to-end development of cutting-edge web products. You will partner with Product to shape features, translate monetization goals into technical decisions, and implement best practices like CI/CD and automated testing.You’ll work with React, Next.js, Node.js and TypeScript in a cloud-first...

Buscamos un/a Senior Full Stack Developer con enfoque AI-Native para incorporarse a un proyecto tecnológico de alto impacto, participando en el desarrollo de aplicaciones de monitorización y gestión de emisiones, así como en plataformas de Distribution, Pricing & Processing. 🔹 Requisitos principales: ✅ Más de 5 años de experiencia como Full...

About the role What if you could build something that goes beyond the usual SaaS playbook - solving real, high-impact problems in aviation safety? At SafetyManager365, we move fast, build with intent, and focus on challenges that genuinely matter to our customers and the aviation industry. As a newly formed team within the broader Comply365 group, we operate...

All roles Founding Full Stack Product Engineer We're making scientific computing invisible. Barcelona HybridSenior €60k-90k + real pre-seed equity Temple Compute is a deep-tech company founded by Barcelona Supercomputing Center ex-researchers. Our platform lets biotech teams, materials scientists, and AI researchers run complex simulation workflows...

Descripción del trabajo¿Te motiva trabajar en plataformas empresariales de alto impacto a nivel internacional?En Hays, estamos buscando un/a Senior Full Stack Developer (Angular / Java) para un proyecto tecnológico puntero, dentro de una plataforma digital crítica utilizada por miles de usuarios en todo el mundo. Si te gusta el código limpio, los retos...

We are still looking for the very Top Talent…and we would be delighted if you were to join our team! More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35,000 employees all over the world and presence in more than 35 countries. We are leaders in digital...

About Olala! Olala! is an international hospitality and real estate group, developing, owning, and operating hotels, vacation rentals, and food & beverage concepts worldwide. Since 1996, we have built a presence in 17 cities worldwide, combining global expertise with local insight. Our mission is to deliver smart, technology-driven, and design-forward...

About The Job As an Expert Full Stack Developer at Allianz Technology, you will be responsible for designing, developing, and maintaining comprehensive web applications that support our partner projects. You will work closely with cross-functional teams to ensure seamless integration of front-end and back-end components, delivering high-quality solutions...

**Barcelona · Hybrid (3 days office / 2 remote) · €50K–€60K** Want to build software that operates at global scale rather than just deliver another project? We’re looking for a **Senior Full Stack Developer** to join our technology team in Barcelona and help us build and evolve a **global eCommerce platform used across multiple...

We power people’s progress.At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact.We’ve just reached unicorn status with a $150M...

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If you're looking for a place to grow, make an...

About usConstructor is the next-generation platform for search and discovery in e-commerce, built to explicitly optimize for metrics like revenue, conversion rate, and profit. Our search engine is entirely invented in-house utilizing transformers and generative LLMs, and we use its core and personalization capabilities to power everything from search itself...

At Allianz Technology, we are driving innovation at a global scale. As an AI Full Stack Developer, you will play a key role in building intelligent, scalable solutions within our Business Master Platform (BMP) — a strategic initiative transforming the way Allianz operates worldwide. This is your opportunity to combine cutting‑edge AI capabilities with...

Why join this project?¡Inscríbase sin demora! Se espera un gran volumen de solicitantes para el puesto que se detalla a continuación, no espere para enviar su CV. Work on high-impact Data & Insights initiatives across business performance , operations , finance , and commercial domains . Help shape how data supports strategic decision-making across a...

Descripción del trabajo¿Te motiva trabajar en plataformas empresariales de alto impacto a nivel internacional?En Hays, estamos buscando un/a Senior Full Stack Developer (Angular / Java) para un proyecto tecnológico puntero, dentro de una plataforma digital crítica utilizada por miles de usuarios en todo el mundo. Si te gusta el código limpio, los retos...

Tamarind Intelligence en Barcelona busca un Senior Full Stack Engineer con foco en ciberseguridad para una plataforma de gestión de vulnerabilidades a escala global. El puesto es híbrido, con autonomía en decisiones técnicas y oportunidad de crecer hacia Tech Lead.Se valora experiencia fuerte en Python/FastAPI, React y entornos cloud (AWS); experiencia...