Empleos de junior java software engineers en Barcelona

Overview In this role you will manage installation, configuration, and ongoing maintenance of IBM z/OS and related system software in large-scale, mission-critical environments. You will work within our enterprise infrastructure team to ensure high availability, performance, and security, partnering with cross-functional teams to support business-critical...

This position is listed on behalf of a partner company, who manages all applications and next steps.Our partner is looking for a Senior Full Stack Engineer (.NET/React) based in Spain.As a Senior Full Stack Engineer, you will build and evolve scalable, secure, and high-performing applications across both backend and frontend layers.You will work extensively...

About the role We're building a robust, internet-facing API that runs both in on-premises and in the cloud, designed to support future innovation at scale. This means solving complex distributed systems challenges, ensuring high availability, and optimizing performance. Concepts like the CAP theorem aren't just theory here—they're part of our daily...

This position is listed on behalf of a partner company, who manages all applications and next steps.Our partner is looking for a Senior Architect based in Spain.This is a senior-level architecture opportunity for an experienced software engineering leader supporting multiple technology-driven businesses.You will operate as a fractional CTO, helping founders...

We’re looking for a Lead Software Engineer - Al Product development (Full Stack) to join our Cortellis team in Barcelona, where you’ll build high-impact product features powered by Generative AI and modern software engineering practices. In this role, you’ll take ownership of end-to-end delivery, driving the design and implementation of scalable...

About Gartner IT: Join a world-class team of skilled engineers who build creative digital solutions to support our colleagues and clients.  We make a broad organizational impact by delivering cutting-edge technology solutions that power Gartner.  Gartner IT values its culture of nonstop innovation, an outcome-driven approach to success, and the notion...

About Gartner IT: Join a world-class team of skilled engineers who build creative digital solutions to support our colleagues and clients.  We make a broad organizational impact by delivering cutting-edge technology solutions that power Gartner.  Gartner IT values its culture of nonstop innovation, an outcome-driven approach to success, and the notion...

Join Schwarz Global Services Barcelona - IT Hub of Europe's Largest Retail Group. At Schwarz Global Services Barcelona, we provide high value IT services for the entire Schwarz Group, which includes Lidl, Kaufland, Schwarz Produktion, PreZero, Schwarz Digits, STACKIT, and XMCyber. As part of a top 5 global retail company, we serve 6 billion customers through...

Role Description We are looking for a Senior Backend Developer to join our IT Digital Marketing team within the Digital Sales Hub in Barcelona.In this role, 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, and...

About UsQuadrivia is the health technology company behind Q, a comprehensive, controllable, and customizable assistant AI built by clinicians, for clinicians.Addressing the urgent shortage of healthcare professionals, Q provides real-time, personal, and reliable support for clinical tasks across the care continuum.Designed for providers, payers, and...

We are looking for a Senior Software Engineer - AI Product development to join our Cortellis CMC team in Barcelona and help build the next generation of AI-powered solutions for the pharmaceutical industry.In this role, you will design, develop, and operate scalable backend services, data pipelines, and AI-driven capabilities that power regulatory...

Join BOLD and bring your Formula Student journey to life in cutting?edge projects.Inscríbase rápido, consulte la descripción completa desplazándose hacia abajo para conocer todos los requisitos de este puesto.We're on the lookout for passionate Formula Student graduates who are ready to put their engineering skills to work on real projects in Formula 1,...

At TOPIC (in the Netherlands), we work every day on high-tech innovations to make the world smarter, healthier, and better.Are you the driven and ambitious Senior Test Automation Engineer with a track record to oversee the entire testing strategies, process, from planning to execution that we are looking for?Compruebe a continuación si tiene lo necesario...

Reference: 54987Posted: 2026-08-28Location: Barcelona, ESPCategory: Software Product EngineeringCompany: Dow JonesJob Description:About the Team:Our Technology team drives the evolution of our Technology, Engineering, Data, Product and User Experience functions. With a keen focus on delivering cutting-edge solutions, we shape the digital landscape for our...

Alignerr is seeking Software Engineers in Valencia to build, evaluate, and improve AI-generated code as part of training AI systems to think like developers. This is a hands-on, fully remote contract role with flexible hours (10–40 hours per week), allowing you to work from anywhere.You should be proficient in Python, JavaScript, Java, C++, Go, or...

We’re looking for a Lead Software Engineer - Al Product development (Full Stack) to join our Cortellis team in Barcelona, where you’ll build high-impact product features powered by Generative AI and modern software engineering practices. In this role, you’ll take ownership of end-to-end delivery, driving the design and implementation of scalable...

We are looking for a Lead  Software Engineer - AI Product development to join our AI Engineering team in Barcelona. This is an exciting opportunity to work on cutting-edge AI-powered software, building reliable, scalable solutions that leverage Python, cloud technologies (Azure/AWS), microservices, and LLM-based will be joining a small, highly skilled...

We are still looking for the very Top Talent...and we would be delighted if you were to join our team!More in details,USTis 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 technology...

A leading super app company in Spain is looking for a Backend Staff Engineer to drive technical standards across their consumer domain. This role involves leading backend engineers, contributing to architecture decisions, and mentoring junior developers. The ideal candidate has at least 10 years of experience in backend engineering with Node JS and...

Join Schwarz Global Services Barcelona - IT Hub of Europe's Largest Retail Group. At Schwarz Global Services Barcelona, we provide high value IT services for the entire Schwarz Group, which includes Lidl, Kaufland, Schwarz Produktion, PreZero, Schwarz Digits, STACKIT, and XMCyber. As part of a top 5 global retail company, we serve 6 billion customers through...