Empleos de senior backend engineer java microservices remote en Barcelona

Leadtech Group builds and scales digital products used by millions of people worldwide. Within the group, MAU by Leadtech focuses on subscription-based apps and digital products. It builds on the expertise, technology and product mindset developed at Leadtech, combining proven experience with a strong focus on user value and long-term growth. Across both...

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...

Leadtech Group builds and scales digital products used by millions of people worldwide. Within the group, MAU by Leadtech focuses on subscription-based apps and digital products. It builds on the expertise, technology and product mindset developed at Leadtech, combining proven experience with a strong focus on user value and long-term growth. Across both...

Leadtech, a remote-first international tech group, is hiring a Senior Site Reliability Engineer to design and scale cloud infrastructure powering our mobile and web products on Google Cloud. You’ll own monitoring, CI/CD pipelines and security for production services while collaborating with mobile, web, and backend teams.Join a diverse, global team with...

About the roleIf you are passionate about leveraging Artificial Intelligence to transform the way software is designed, developed, and delivered, this role is for you.You will join the BMP Retail team, where we are driving the adoption of AI-first engineering practices, Agentic AI, and Spec-Driven Development (SDD) across multiple lines of business. As a...

At Fourthline, our mission is to fight financial crime. We help protect the global financial system by verifying millions of identities for banks, neobanks, online brokers, crypto exchanges, and insurers like N26, Trade Republic, flatexDEGIRO, Nationale Nederlanden, Qonto, Shine, Solarisbank, and more. Having started our journey in January 2018, we're...

About Smart Working At Smart Working, we believe your job should not only look right on paper but also feel right every day. This isn’t just another remote opportunity — it’s about finding where you truly belong, no matter where you are. From day one, you’re welcomed into a genuine community that values your growth and well-being. Our mission is...

Who we areTRLLN is building the future of asset intelligence. Our Tracking-as-a-Service (TaaS) platform combines a proprietary IoT mesh network, telemetry, and advanced analytics to deliver real-time visibility over physical assets --- track any asset, anywhere --- with no gates, readers, or fixed infrastructure.Born inside IFCO, the global market leader in...

MEDvidi is an AI-powered mental healthcare platform setting a new standard for safe, effective, and scalable psychiatric care in the United States. We combine licensed providers with proprietary AI tools to deliver consistent, outcomes-driven treatment for conditions like ADHD, anxiety, depression, and more. MEDvidi's technology automates charting,...

As a Senior Cloud Backend Engineer in Data & AI Solutions, you will shape cloud-native platforms for Healthcare R&D, primarily using AWS and Azure AD. You will support the technical roadmap, maintain platform functions, and build data archival processes while adopting emerging technologies. You’ll implement new features and manage deployments in...

Barcelona, Spain | Senior Engineering Opportunity Max IT Consulting – Max Corporate Group is looking for aSenior Full-Stack Engineer – AI-Native Applications to join a fast-growing European technology company building an AI-powered workforce platform for the healthcare sector. The company operates a multi-sided marketplace used by hundreds of hospitals...

Leadtech Group is seeking a Senior Site Reliability Engineer to join our dream team and strengthen the cloud infrastructure powering our scalable products. You will design, implement, and maintain backend infrastructure on GCP, with a focus on reliability, performance, and observability.We operate as a remote-first, international team with offices in Spain; ...

Barcelona, Spain | Senior Engineering Opportunity Max IT Consulting – Max Corporate Group is looking for aSenior Full-Stack Engineer – AI-Native Applications to join a fast-growing European technology company building an AI-powered workforce platform for the healthcare sector. The company operates a multi-sided marketplace used by hundreds of hospitals...

This job is with Allianz Commercial, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.About UsOur shared vision is to develop and operate the most successful, innovative, and comprehensive platform for the motor insurance market within the Allianz...

Revolut Ltd in Spain is seeking a Platform Engineer to contribute to our core backend systems, from the event store to the transactional infrastructure that powers our fintech platform. You will ship components used across the engineering org, with small improvements saving time later. The role requires 7+ years of backend experience, a CS-related degree,...

¿Te gustaría participar en un proyecto tecnológico internacional, trabajando en un entorno de sistemas complejos, backend, integración y automatización? Desde Oxigent Technologies seleccionamos un/a Senior Automation QA para incorporarse a un equipo tecnológico ubicado en Barcelona, dentro de un proyecto internacional vinculado al procesamiento y...

In this role you will design and deliver AI-powered backend capabilities within Clarivate's Cortellis CMC platform in Barcelona. You will own architecture and delivery, collaborating with distributed engineering teams to build scalable, reliable systems that power regulatory intelligence for life sciences. You'll tackle data and performance challenges, and...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a QA Chapter Lead based in Spain. This is a senior technical QA leadership role combining hands‑on engineering with responsibility for quality standards across multiple engineering squads. You’ll be embedded directly within one...

Get AI-powered advice on this job and more exclusive features. At the Würth Elektronik Group, we produce and sell electronic components such as printed circuit boards, electronic components, electromechanical elements and complete system assemblies. The Group is internationally active in various markets with three business divisions and around 7500...

About The Role What if the code you write could directly power the AI systems shaping how millions of people interact with technology? We're looking for Back End Developers in Barcelona to design, build, and optimize the server-side systems and APIs that drive cutting-edge AI products — from data pipelines and model-serving infrastructure to scalable...