junior data engineer

We Dream. We Do. We Deliver. At Merkle, a dentsu company, we power the experience economy. Whether we’re building the next great app, running CRM at scale for global brands, delivering technology architectures that support millions of users, or providing world‑class data, identity, and insights solutions, it’s all in the name of crafting experiences...

Junior Telecomunications EngineerDate: 23 Sept 2026Location: Madrid, MD, ESCompany: AlstomAt Alstom, we build what millions depend on daily - rail transportation systems that can’t afford to fail. We’re more than 85,000 people worldwide creating the industry’s most diverse portfolio: high-speed trains, metros, trams, maintenance services and integrated...

Smadex is a performance advertising engine for mobile apps, enabling the world's leading marketers to grow across Mobile and Connected TV (CTV). Powered by AI models trained on real campaign outcomes, Smadex delivers profitable growth at scale. Headquartered in Barcelona, with teams across the Americas, EMEA, and APAC, Smadex is a business unit of...

Ayesa Engineering. Hacemos que las cosas pasen Somos un proveedor global de ingeniería con presencia en Europa, América, África, Asia y Oceanía. Formamos parte de las principales firmas internacionales del sector, participando en proyectos de alto impacto a nivel global. * Ingeniería ICCP o similar, con especialización o interés en cálculo...

We are looking for a motivated Junior Software Engineer to join our team. This is an excellent opportunity for recent graduates or early-career developers to grow their skills while working on real-world projects with experienced mentors.ResponsibilitiesDevelop and maintain web applications under supervision of senior developersWrite clean, well-documented...

Ventós Group is an international company specialized in the distribution and production of Essential Oils & Aroma Chemicals, with Headquarters located in Barcelona, Spain. The group has 9 subsidiaries around the world. We believe our people are our most important asset, so we offer a dynamic international working environment with constant opportunities for...

We're looking for a Junior AI Engineer to help design, prototype and ship AI solutions in real products - from copilots and agents to RAG pipelines and automations for SMEs. You'll work alongside senior engineers and founders on ventures like WorkOps, Acatia Compliance and Piro IP.Se pueden requerir diversas habilidades interpersonales y experiencia para el...

Ventós Group is an international company specialized in the distribution and production of Essential Oils & Aroma Chemicals, with Headquarters located in Barcelona, Spain. The group has 9 subsidiaries around the world.We believe our people are our most important asset, so we offer a dynamic international workingenvironment with constant opportunities for...

Ayesa Engineering. Hacemos que las cosas pasenSomos un proveedor global de ingeniería con presencia en Europa, América, África, Asia y Oceanía. Formamos parte de las principales firmas internacionales del sector, participando en proyectos de alto impacto a nivel global.Ingeniería ICCP o similar, con especialización o interés en cálculo estructural o...

The RoleThe Compilers team is developing the compilers, both for traditional languages (C, C++, Fortran) and for ML frameworks. Building on top of industry-standard compiler frameworks like LLVM, your role is to develop the components that will enable the use of Openchip's novel hardware features and accelerators, bringing visible improvements to end...

We are looking for a motivated Junior Software Engineer to join our team. This is an excellent opportunity for recent graduates or early-career developers to grow their skills while working on real-world projects with experienced mentors.ResponsibilitiesDevelop and maintain web applications under supervision of senior developersWrite clean, well-documented...

Werfen is a growing, family-owned, innovative company founded in 1966 in Barcelona, Spain. We are a worldwide leader in specialized diagnostics in the areas of Hemostasis, Acute Care Diagnostics, Transfusion, Autoimmunity, and Transplant. Through our Original Equipment Manufacturing (OEM) business line, we research, develop, and manufacture customized assays...

Title: Junior Electrical EngineerDo you want to be part of a company where customer satisfaction, colleagues and professional development are the cornerstones? A multinational company where you will have the expertise and the latest technology to develop your career and even become a partner one day.ABOUT THE JOBWe are looking for an Electrical Engineer to...

A Fedefarma tenim clar que l’èxit dels nostres projectes es deuen a les persones que formem part del nostre equip. Els nostres quasi 100 anys d’experiència ens han ensenyat que el canvi és l’única constant. La nostra història és un testimoni d’adaptació, excel·lència i determinació. Per aquest motiu, si ets una persona amb mentalitat...

EnMenhir Technologiesbuscamos unJunior AI Engineercon ganas de aprender y de construir producto real. Trabajarás codo a codo con ingenieros senior para llevar casos de uso de IA yagentes conversacionalesdesde el prototipo hasta producción, con un plan claro de mentoría y crecimiento.Participar en el ciclo completode una solución de IA: comprensión del...

Title: Junior Mechanical EngineerEs posible que un gran número de candidatos se presenten a este puesto, así que asegúrese de enviar su CV y su solicitud lo antes posible.Are you keen to develop your career in a company where you could become a partner? Our core values are the Client, the Individual and Professional Development. If this sounds like you,...

How about developing your professional career in a company where you can one day become a partner! Our fundamental values are customer satisfaction, our own people, and their professional development. If you think this is something that interests you, read on! ABOUT THE JOBWe are seeking to hire industrial engineers specializing in mechanical engineering or...

How about developing your professional career in a company where you can one day become a partner! Our fundamental values are customer satisfaction, our own people, and their professional development. If you think this is something that interests you, read on! ABOUT THE JOBWe are seeking to hire industrial engineers specializing in mechanical engineering or...

Fundcraft is seeking an Associate in Data Analysis & Reporting (L1) based in Spain to support the development of our reporting function. You will work with the proprietary platform to gather, review, and transmit reporting to third parties, under the supervision of the Risk Manager in Luxembourg.The role offers formal training and exposure to fund...

At Alstom, we build what millions depend on daily - rail transportation systems that can't afford to fail. We're more than 85,000 people worldwide creating the industry's most diverse portfolio: high-speed trains, metros, trams, maintenance services and integrated systems. More than a job: a mission We're looking for an Junior Telecomunications Engineer to...