Empleos de web application backend developer en Barcelona

Semrush is a brand visibility platform, empowering marketers to command their online presence and create measurable impact. We unify SEO authority and AI visibility, so brands are found, cited, and chosen everywhere search happens. That’s how Semrush gained the trust of over 28 million users—from scaling startups to Fortune 500 companies. Here, you own...

Are you our next Backend Developer? Role: Backend Developer (Mid / Senior)Location: Hybrid (Remote / Turin, Italy)The Mission: A Digital World Without Barriers At Accessiway, we aren't just a Saa S company; we are a scale-up growing at supersonic speed with one ambitious goal: to make technology accessible to everyone, no ifs or buts. We believe that...

OUR MISSION UNITES US"Making the world a safer and more secure place."It’s our mission, plain and simple. It drives everything we do – from research to client work to community involvement. And it unifies our global team into an elite force with integrity, fierce passion, and relentless creativity that doesn’t just "push the envelope" or "think outside...

**Who We Are** At Vista, we are building an industry-leading Customer Relevance Platform to scale personalization across products, design templates, and marketing messages. We are moving away from 'model sprawl' toward a unified architecture centered on fmX, a foundation model that learns shared embeddings for all relevant entities for Vista (users,...

Job Reference 236\_26\_DIR\_IBD\_PSD Position Platform Software Developer – CLARIAH-CAT Closing Date Saturday, 31 October, 2026 **Reference:** 236\_26\_DIR\_IBD\_PSD **Job title:** Platform Software Developer – CLARIAH-CAT **About BSC** The Barcelona Supercomputing Center - Centro Nacional de...

The Barcelona Institute for Global Health (ISGlobal) is a cutting-edge institute addressing global public health challenges through research, translation into policy and education. ISGlobal has a broad portfolio in communicable and non-communicable diseases including environmental and climate determinants, and applies a multidisciplinary scientific approach...

BarcelonaEngineering – Engineering /Full-time /HybridWho we are: Headquartered in Seattle and Barcelona, we're a values driven, fast-growing tech company focused on building safe and personalized experiences tailored to the needs of each unique pet. We're investing in AI as a business accelerator and provide every team member access to AI tools in service...

FullStack Developer: Conecta la lógica de negocio, las bases de datos y la IA ¿Eres de los que disfrutan viendo cómo una buena arquitectura en la base de datos cobra vida en una interfaz impecable? ¿Te motiva integrar APIs modernas y explorar el potencial de la Inteligencia Artificial en proyectos reales? Buscamos incorporar a un/a FullStack Developer...

Hace 7 días3Años de ExperienciaDescripción En Krell Consulting buscamos incorporar un/a Full Stack Developer con experiencia en Angular y Java/Spring Boot para participar en un proyecto tecnológico dentro del sector seguros. Buscamos un perfil con entre 3 y 5 años de experiencia, acostumbrado a trabajar tanto en Frontend como Backend y con interés en...

Fullstack Developer (React / Next.js / Python / AI)Barcelona | Modelo híbrido / remoto flexibleContrato indefinido | Proyecto HealthTech con Inteligencia Artificial1️⃣ Descripción del puesto¿Te gustaría formar parte de un proyecto que está aplicando inteligencia artificial y machine learning para transformar el sector salud? En VDM Health,...

**Craft:** **Job Description:** At King, we build products and services that help millions of players enjoy our games every day. The **Player Support Innovation and Development team** develops the technology behind modern player support experiences, helping players quickly find answers, resolve issues, and get back to playing. As a **Software...

Senior Java Backend Engineer We’re looking for a product-minded Senior Backend Engineer to join our team and lead the development of reliable, high-performance infrastructure powering cutting-edge AI and blockchain applications. You’ll work primarily in Java to build scalable services and APIs that run seamlessly in production on AWS, supporting...

Are you our next Fullstack Developer? Role: Fullstack Developer (Mid / Senior)Location: Hybrid (Remote / Turin, Italy)The Mission: A Digital World Without Barriers At Accessiway, we aren't just a Saa S company; we are a scale-up growing at supersonic speed with one ambitious goal: to make technology accessible to everyone, no ifs or buts. We believe that...

This job is with Allianz Commercial, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. 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...

Festo SE & Co. KG in Barcelona is seeking a Senior Backend Developer to join the IT Digital Marketing team. You will design, build, and continuously improve backend services, APIs, databases, and integrations that support our digital marketing and sales capabilities. You will develop scalable, secure, cloud-hosted solutions that enable data flows and...

Expert Full Stack Developer 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,...

At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently looking for a dedicated Technical Support Engineer / Linux Systems Administrator to join one of our clients' teams . If you're looking for an exciting opportunity to grow in an innovative environment, this could be the perfect fit for you. ...

Senior Java Backend Developer – Cloud-Native Microservices & Cryptography We are looking for a Senior Java Backend Developer to lead the design, development, and maintenance of secure, scalable, cloud-native microservices for our Trusted Service Manager (TSM) platform. This role focuses on backend development with Spring Boot 4, cryptographic operations,...

We are an international technology services company specialized in:• IT: Banking, Insurance, Retail & E-Commerce, Healthcare• Transport & Supply Chain: Rail, Automotive, Logistics, and Aerospace• Manufacturing: Renewable Energy, Oil & Gas, and Utilities• R&D: Research, innovation, and development of technology solutionsAt K-LAGAN, we focus on...

Who we are: Lea el resumen de esta oportunidad para comprender qué habilidades, incluidas las habilidades interpersonales relevantes y el dominio de paquetes de software, se requieren. We help publishers turn data into action: understanding what content is working right now, what has performed over time, and what to do next. Our platform gives editorial,...