Software Senior Principal Engineer jobs in Spain

We are looking for a Senior Software Engineer to join our early team and help build the core platform of a startup transforming Audit 4.0 and control management for companies. Who are we? At Byld, we don’t just build businesses—we create game-changing ventures in collaboration with leading corporations. Since 2017, we’ve been designing, validating, and launching new companies, blending the best...

Sener Aerospace and Defence is currently looking for Senior Software Engineers to join our Avionics and Flight System Division at our Tres Cantos work center (Madrid) or Cerdanyola del Vallès (Barcelona). We are a pioneering engineering company in the design of satellite technology and equipment for space exploration. In defence, we design and produce equipment and systems, including unmanned...

About the role As a Senior Software Engineer at TF Avarda Bank, you will play a key role in designing, developing, and evolving our public-facing websites. These platforms are business-critical and highly visible, sitting at the intersection of engineering, performance, marketing technology, and user experience. You will work closely with other engineers, designers, and marketing stakeholders,...

OBRAMAT (antes BRICOMART) es la empresa de referencia de distribución de Materiales en el mercado de la Reforma y Construcción integrada en GRUPO ADEO, primer grupo en el ranking europeo en distribución especializada en el acondicionamiento del hogar y tercero en el ranking mundial, matriz de empresas como Leroy Merlín, Tecnomat, Saint Maclou, KBane, Weldom y Adeo Services. Actualmente, contamos...

We are Merlin Digital Partner! A leading IT and Digital headhunting company who stands out from the crowd, boasting over a decade of experience. We've successfully collaborated and played a pivotal role in the growth of industry heavyweights such as Wallapop, Glovo, Banc Sabadell, among others. Our emphasis lies in people-centric approaches and optimizing the selection processes. Our mission is...

Clue keeps on growing! We are now hiring a Firmware/Software Security Engineer! --------------------------------------------------------------- ➪ About Clue At Clue, we research, design, and manufacture new computing technologies to enable innovative intelligent systems. Our motto is to create simple solutions to big problems. Clue focuses on next-generation avionics, offering a series of...

About the role As a Software Engineer at TF Avarda Bank, you will contribute to the development and maintenance of our public-facing websites, working closely with experienced engineers and cross-functional teams. You will help deliver reliable, performant, and user-friendly web solutions while continuing to grow your technical skills in a modern, professional environment. You will collaborate...

We are looking to fill this role immediately and are reviewing applications daily. Expect a fast, transparent process with quick feedback. Why join us? We are a European deep-tech leader in quantum and AI, backed by major global strategic investors and strong EU support. Our groundbreaking technology is already transforming how AI is deployed worldwide — compressing large language models by up...

Manusa somos una empresa referente en el mercado de los accesos inteligentes gracias al desarrollo de una tecnología propia y a un equipo de más de 500 profesionales, repartidos en 10 centros de trabajo en España y las filiales de Portugal, Italia, Brasil y China, con un objetivo común: la innovación. Nosotros mismos creamos, diseñamos, desarrollamos, fabricamos, instalamos, mantenemos y...

Are you ready to take ownership of Axpo’s Virtual Desktop Infrastructure (VDI) platform? Join us as a Senior System Engineer VDI and play a pivotal role in ensuring high-performance, reliable, and secure operations. Shape the future of ICT at Axpo EMEA SL with your expertise and innovative mindset. What you will do: - Guarantee reliable and high-performance operations of the VDI Server...

WHO ARE WE? Sateliot is a Barcelona-based Startup in the New Space sector, becoming the first satellite telecommunications operator that will provide global and continuous connectivity to all the elements that will make up the massive Internet of Things (IoT) universe under the 5G protocol. In order to do so, Sateliot is launching a constellation of last generation nanosatellites, located at...

About the Role As a Senior React Native Engineer at TF Avarda Bank, you will design, develop, and deliver high-quality mobile applications that power our digital banking solutions. You will collaborate closely with Developers, QA Engineers, Team Leads, and Engineering Managers throughout the software development lifecycle to ensure robust, scalable, and user-friendly apps. In this role, you...

For over a decade now, OpenNebula Systems has been leading the development of the European open source technology that helps organizations around the world to manage their corporate data centers and build their Enterprise Clouds. If you want to join an established leader in the cloud infrastructure industry and the global open source community, keep reading, because you can now join a team of...

🚀 Sobre nosotros: Somos una compañía de marketing tecnológico en fase scale-up (145 personas y creciendo), con una firme apuesta por la IA Generativa para transformar cómo las empresas entienden y ejecutan sus estrategias de marketing digital. Nuestro objetivo es crecer de manera sólida, eficiente y global, impulsando la innovación y el impacto real en nuestros clientes. 🧭 Tu misión Diseñar,...

Workload: 80–100% Join our dynamic team in Madrid and help shape the future of digital energy solutions. As part of Axpo's innovative IT center, you'll build cutting-edge web applications that drive the energy transformation forward. What you will do: - Architect, develop, and maintain high-quality, scalable frontends using React 18+ and TypeScript 5+ - Lead the development of new features...

About Our client specializes in developing projects centered around Wireless Sensor Networks (WSN). With a deep understanding of these technologies, the company offers comprehensive hardware, firmware, and software services, focusing on Industry 4.0, IoT, and Robotics. Responsibilities •Lead the development of complex hardware (and firmware) projects. •Collaborate closely with...

We are looking to fill this role immediately and are reviewing applications daily. Expect a fast, transparent process with quick feedback. Why join us? We are a European deep-tech leader in quantum and AI, backed by major global strategic investors and strong EU support. Our groundbreaking technology is already transforming how AI is deployed worldwide — compressing large language models by up...

ARQUIMEA, we are a technology company operating globally, offering innovative solutions and products in highly demanding sectors. Our main areas of activity are Aerospace, Defense & Security, Big Science, and Fintech. We are looking for a Digital Hardware / FPGA Design Engineer with solid experience in the design and verification of digital circuits for FPGAs, ASICs and SoC devices. Functions...

Workload: 80–100% Help us shape intuitive mobile experiences for a leading Swiss energy brand. Join a cross-functional team in Madrid, build with a modern stack, and make an impact for millions of users. What you will do: - Architect, develop, and maintain scalable mobile apps with React Native (0.79+), TypeScript (5+), and Expo - Lead features end-to-end from concept to deployment with strong...

Clue keeps on growing! We are now hiring a Software Systems Development Intern If you have a proactive attitude, demonstrate autonomy, and take ownership of your daily tasks applying the best quality principles and attention to detail. You are willing to share your ideas, in a humble manner and have the ability and eagerness to learn. As well, you take pride in your work and know that your...