Empleos de full stack software engineer en Madrid

The company is hiring aSenior Full-Stack Engineer in Portugalwho is strongly backend-leaning (≈80–85% backend) to work on high-scale backend pipelines and data-heavy systems. The ideal engineer has proven experience building production-grade ingestion and processing systems, making architecture decisions based on real data volumes, and operating reliably...

Summary of the Role:As Product Engineer (Full Stack) at Maze, you’ll be the technical force behind our customer-facing product experience, owning the complete stack from UI to API while moving at startup velocity. This is a unique opportunity to join as one of the early engineering team members of a well-funded startup building at the intersection of...

Company: SimpleStudy is a consumer AI platform for students.We help them stay motivated to study their subjects - everything from Biology and Mathematics to Literature and Art.Our small team has already helped +1.5 M students worldwide (UK, Ireland, Brazil, South Africa, and Australia) study better, and ~40–50k new students join us every week.We are a...

The Senior Full Stack Engineer will build and own product featuresworking closely with the tech leadership. You will contribute to both frontend and backend systems, helping ship high quality software that is used daily by customers.This role is focused on delivery, quality and collaboration with the ability to influence technical decisions.Your...

Avooq is an innovative AI startup that generates complete instant novels on demand. Our mission is to revolutionize literary creation with advanced AI technology, enabling users to obtain coherent and personalized stories in seconds. We believe in the power of AI to democratize storytelling and transform digital entertainment. We are seeking a talented and...

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.WHY JOIN US If you’re looking for a place to grow, make an...

AtIndeep AI , we are an applied AI research laboratory working at the intersection of natural language processing, linguistics, and human cognition. Our work is grounded in a simple conviction: the tools we use to write and understand documents should make communication clearer and more trustworthy, not less. That research powers Typewiser, our document...

¿Eres un Senior Full Stack Developer listo para liderar el desarrollo AI-Native? En nuestro departamento de Ventas & Marketing estamos buscando un/a Senior Full Stack Developer / AI-Native Software Engineer para unirse a nuestro equipo en Alió (Tarragona) con un modelo híbrido (presencial + teletrabajo parcial). Si te apasiona la tecnología, tienes...

Software Engineer Full-Stack | Node.js + React + IA / MCP | Barcelona (Híbrido)En Capitole seguimos creciendo y queremos hacerlo contigo Buscamos un/a Software Engineer Full-Stack para incorporarse a una multinacional del sector HR / Payroll con sede en Barcelona centro, participando en iniciativas técnicas de vanguardia con foco en IA moderna, agentes...

Job Responsibilities: Architect, develop, and optimize both backend and frontend infrastructure, ensuring seamless integration and scalable systems that grow with the company.Take end-to-end ownership of full-stack development, working across frontend and backend systemsfrom ideation to launchensuring smooth delivery and maintenance of key product...

Indefinido · jornada completa · remoto · 45.000-55.000 € Estamos construyendo la nueva forma de aprender. Buscamos a soñadores que quieran crear algo grande. NEKAI te escucha, entiende qué quieres conseguir y te construye tu ruta hasta que lo consigues. Una persona, una ruta, un objetivo cumplido. Y tras el primero, muchos más. Los necesarios hasta...

In the Professional Services (PS) area, our Full Stack team is essential in delivering innovative communication solutions for the most strategic and high-potential accounts. As a team focused on creating conversational interfaces via the Blip Platform, we are looking for a developer with a passion for technology and customer service. This role stands out for...

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What This Opportunity InvolvesYou'll create challenging coding test...

We are looking for a passionate and motivated Graduate Full Stack Developer to join our technology team. This role is ideal for recent graduates who are eager to build a career in software development and gain hands-on experience across both frontend and backend technologies. You will work alongside experienced developers to design, develop, test, and...

Full Stack Data Engineer KRIMDA, Málaga, Andalucía, EspañaDescripción del trabajoDesde Krimda Consulting buscamos un/aFull Stack Data Engineercon un fuerte enfoque enReact y desarrollo de productos data-driven , para incorporarse a un proyecto internacional de integración de plataformas.Serás responsable de desarrollar y evolucionar el portal principal...

Yassiris the leading super App in the Maghreb region set to change the way daily services are provided. It currently operates in45 cities across Algeria, Morocco and Tunisia with recent expansions into France, Canada and Sub-Saharan Africa . It is backed ( $200M in funding ) by VCs from Silicon Valley, Europe and other parts of the world.We offer on-demand...

Our goal is to strengthen the brand in Spain. We are looking for an expert to work asSenior Full Stack Engineer!What do you need to fulfill this job?7+ years of experience.Work on an agile engineering team, following Agile best practces while writng maintainable and scalable code and infuencing team decisions.Collaborate with stakeholders to design and test...

Application Deadline, August 30 WHAT MAKES US A GREAT PLACE TO WORK We are proud to be consistently recognized as one of the world’s best places to work. We are currently the top ranked consulting firm on Glassdoor’s Best Places to Worklist and have earned the #1 overall spot a record seven times. Extraordinary teams are at the heart of our business...

Sateliot is a Barcelona-based satellite company with one goal: connect everything, everywhere. Founded in 2018, we've built the first satellite constellation that lets standard commercial devices communicate directly from space. Our technology bridges the gaps that terrestrial networks will never reach, bringing affordable and secure connectivity to...

Descripción del trabajo Change the World, Bit by ByteAt T4G Lab, we are more than just a tech consultancy. We are partners in impact. We build technology that matters. We work with startups, non-profits, universities and United Nations to solve real-world problems in Health, Climate Change, Education, Research or Financial Access. We are looking for a...