Empleos de senior backend engineer java microservices remote en Barcelona

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...

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...

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...

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...

Buscamos un AI Engineer para nuestro cliente del sector seguros Híbrido 2 días presenciales a la semana Contrato Indefinido con Neotalent Conclusion Experiencia preferida Experto/a en Inteligencia Artificial. Experiencia en ingeniería de prompts e ingeniería de código (no solo prompting). Conocimientos en Procesamiento del Lenguaje Natural (NLP) y...

About UsCareerOS is a B2B2C career platform serving 100+ top MBA programs worldwide - including Oxford, INSEAD, London Business School, Georgetown, and Notre Dame - along with 30+ employers. We help 500K+ users land jobs they love, and we're growing with real revenue (not just runway).We're a small, high-output team of 5 engineers based in Barcelona, scaling...

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...

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...

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...

¿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...

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,...

Modalidad: Remoto Tipo de contrato: Indefinido Jornada: Tiempo completo Salario: A valorar por perfil Sobre el puesto Desde SOTEC Consulting – Grupo Astek buscamos un/a Technical Lead especializado/a en Atoti / ActiveViam y DataLake para incorporarse a un proyecto estratégico de datos y analítica dentro del sector financiero. Buscamos un perfil técnico...

*Before applying for this role, please note that this job must be performed in Spain. Only candidates currently residing in Spain or willing to relocate will be considered.Are you ready to be inspired, challenged, motivated to do your best, and have fun while you're at it? We're on the lookout for a Senior Backend Cloud Engineer to join our team at...

Company Description We are looking for a Senior Software Engineer (Java Spring Boot) as one of our teams is looking for a new team member. If you are looking for your next professional challenge, this might be it! Pretty cool, right? We really find the best possible ways to combine the skills and talent in this office to create digital workplace solutions...

We are knowmad mood!Somos una compañía líder en transformación digital, en constante evolución y a la vanguardia de la tecnología. Nacimos para provocar un cambio real a través de la innovación y el desarrollo sostenible, con la misión de aportar valor a los clientes e impulsar nuestro talento.Formado por más de 3.000 personas creativas,...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Developer (Node.Js/Python) based in Spain.As a Senior Software Developer, you will help build the backend and AI systems that support an innovative, rapidly growing technology business in the electric mobility...

At Experis, a ManpowerGroup company, we specialise in recruiting the best tech talent and matching them with all kinds of organisations, from large corporations to start-ups. We are a company specialising in IT consultancy and the recruitment of professionals in the technology sector across our three practice areas: Business Transformation, Cloud &...