Empleos de senior back-end java developer en Barcelona

ISANDO TECHNOLOGIES in Barcelona, Spain, is seeking a senior software developer to join our software development team. You will work on full‑stack solutions using Java or Node.js, RESTful services, and cloud platforms, delivering impact to users.The role emphasizes microservices, API design, Agile Scrum, and collaboration with solution architects....

ð At K-LAGAN, we’re looking for talented people to keep growing with us!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,...

Sr. Associate - Application Developer (Python Developer) Department: Technology Employment Type: Full Time Location: Barcelona Description Do you love turning ideas into working code that makes a real impact? Feel energized by building solutions that make global systems faster, smarter, and more reliable. Enjoy collaborating across teams to solve complex...

Creating content that resonates is great; Our AI-powered automations help creators and brands engage audiences across Instagram, Messenger, WhatsApp, and TikTok — at the right moment, with the right message, minus the manual work. We're 400+ people across three continents behind the leading platform for conversational growth, with AI skills shaping how...

Creating content that resonates is great; Our AI-powered automations help creators and brands engage audiences across Instagram, Messenger, WhatsApp, and TikTok — at the right moment, with the right message, minus the manual work. We're 400+ people across three continents behind the leading platform for conversational growth, with AI skills shaping how...

Materialise Medical is seeking a Senior Full-Stack Developer to help build Mimics Workflow, a standalone service within our case management platform for personalized patient care. You will work across the stack, delivering scalable backend services in .NET Core and front-end interfaces in React with TypeScript, while collaborating with product, QA, and...

Overview En Krell Consulting buscamos un/a Senior Fullstack Developer para liderar el diseño y desarrollo de soluciones fullstack con un fuerte componente de Inteligencia Artificial. Trabajarás en un proyecto tecnológico híbrido en Barcelona, colaborando con equipos para implementar APIs, integrar IA y evolucionar soluciones en la nube. Participarás en...

Inetum Innovationes busca un Ingeniero Senior de IA para diseñar, entregar y mejorar soluciones de IA escalables que apoyen funciones clave del negocio. El rol combina ingeniería de software, arquitectura y prácticas de MLOps para producción.Trabajarás en Azure, LLMs, RAG, procesamiento de documentos y colaboración con equipos de datos, back-end y...

Desde Experis buscamos un/a Senior Frontend Developer (Angular) para liderar el desarrollo frontend de aplicaciones complejas tipo ERP. La persona será el referente técnico del área, responsable de definir la arquitectura, asegurar la calidad del código y guiar al equipo en la evolución de las soluciones.Tendrá un rol clave conectando negocio y...

Job DescriptionAbout the RoleYou will join the InfoJobs iOS engineering team, which maintains the #1 jobs marketplace position in Spain. We are looking for an exceptional Senior iOS Developer to work in a cross-functional product team using Agile methodologies (SCRUM and Lean). You will collaborate with Product and Design to shape solutions, taking ownership...

About Enginy Enginy is a Barcelona-based startup on a mission to revolutionize how B2B sales and prospecting teams operate. Our cutting-edge AI-driven lead generation technology empowers sales teams to focus on what truly matters: selling. By automating manual prospecting, we help optimize workflows, ensuring a predictable and scalable sales pipeline—no...

About UsPerk (formerly TravelPerk) is the intelligent platform for travel and spend management. Built to tackle the time-consuming, manual work that gets in the way of real work, our tools automate everything from travel bookings to expenses, invoice processing, and more. By eliminating this shadow work that wastes hours, erodes morale, and saps innovation,...

Hi, we’re Back Market.We’re here to help make tech reliable, affordable, and better than new. We're a global marketplace for refurbished devices, helping lower our collective environmental impact by providing trustworthy, affordable tech with 92% less carbon emissions than new.Yep, you read that right. Turns out refurbished tech is way better for the...

Overview As a Senior Software Engineer, you design, build, and run scalable backend services and APIs that power product experiences and critical workflows. You collaborate with cross-functional partners to enhance performance, reliability, and observability. You mentor engineers and contribute to architecture decisions, helping the team deliver high-impact...

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...

About The RoleAmenitiz is an all-in-one hotel management platform built for independent hoteliers — PMS, channel manager, booking engine, and website builder in one place. Organic search is one of our most strategic acquisition channels, and this role sits at its centre. As Senior SEO Specialist, you'll own the end-to-end organic search strategy across...

We are seeking a highly skilled Senior QA Engineer with a strong focus on end‑to‑end (E2E) testing, either using Java‑based testing frameworks or Cypress. The ideal candidate will have extensive experience designing, developing, and executing E2E test automation solutions in fast‑paced agile environments. You will play a key role in ensuring the...

ResponsibilitiesEnvíe su solicitud a continuación después de leer todos los detalles y la información de apoyo sobre esta oportunidad de trabajo.Own Product Finance end to end and be the senior Finance voice in product planning forums.Own the financial model and forecast for core product areas, and stress-test ROI assumptions under different investment...

We are hiring a Senior PostgreSQL DBA to join our Infrastructure Storage team and own the health, performance, and day-to-day operations of the database fleet behind Workato's enterprise automation platform. You will work across dozens of Aurora PostgreSQL clusters in production data centers worldwide – a fleet that is about to double – as part of a...

🔹 BACKEND DEVELOPER (PYTHON / AWS) 🔹 🏢 **Hybrid model - 2 días en Zona franca, Barcelona** 📌 **About the role** We are looking for a **Backend Developer** with experience in **Python and AWS Cloud technologies** to join a strategic platform team responsible for user, tenant and access management within a cloud-native ecosystem. You will...