Empleos de junior full-stack engineer en Madrid

Actual Talent is a talent acquisition consultancy that offers Specialized Search, RPO and Talent Solutions. Our purpose is to drive the growth and fulfillment of individuals and organizations. We facilitate individuals in finding inspiring opportunities and help organizations discover professionals who will take them to the next level. We do this through...

Actual Talent is the talent acquisition consultancy that offers Executive Search, RPO and Talent Solutions. About the client: A German Sustainable Tech Unicorn that is redefining how global corporations handle transparency. Backed by a €130M Series C investment, our client has built a proprietary, serverless cloud infrastructure to ensure human rights...

Adroitpeople is seeking a Java Senior Developer to handle technical analyses and implementations. The ideal candidate will have at least 5 years of experience with Java and a strong understanding of APIs, IT security, and agile methodologies. This role requires fluency in English and the ability to work both autonomously and collaboratively within a team....

AI Full Stack Engineer | AI-Assisted Development Remote in Europe | B2B contract | €70,000–€85,000 annual contract value Our client is seeking a hands-on AI Full Stack Engineer. In this role, you will help build a new SaaS ledger platform for an international fintech business. This is a hands-on role where you’ll take requirements through design,...

OpenNebula Systems in Madrid-based HQ and fully remote, international team, is seeking a Senior Full-Stack Developer to advance the OpenNebula cloud management platform with a strong front-end focus while contributing to back-end when needed. You will own features end-to-end, work in Linux environments, collaborate across teams, and help evolve edge and...

Expedia Group in Madrid is hiring for a TAAP engineering role. You will design, build, and deliver scalable B2B travel platforms using Java/Kotlin/Scala and React.js, contributing to API design and microservices. You’ll work in a distributed team, collaborating with product and design while maintaining production systems and improving DevOps practices in a...

We are knowmad mood! Somos una compañía líder en transformación digital, en constante evolución y a la vanguardia de la tecnología. Formado por más de 3.000 personas creativas, digitales e innovadoras conectadas a un propósito y capaces de generar conexiones con personas de todo el mundo. Un equipo responsable, flexible y con alta capacidad de...

Frontiers Media SA is seeking a Senior Full-Stack Engineer with a backend lean to join the RTM team. You will own complex backend systems, lead end-to-end features, and drive production reliability for a distributed .NET/Vue/Nuxt platform. You will mentor peers, shape architecture, and ensure scalable, high-performance experiences for researchers worldwide....

UST is seeking a Senior Full Stack Engineer to join a cross-functional DevOps‑oriented team in Madrid. You will design, develop, deploy, and monitor modern, secure, and scalable digital banking solutions for an international project. The role requires strong Java/Spring Boot and React expertise, RESTful APIs, Kubernetes, and experience in Agile...

A leading software company in Madrid is seeking a Senior/Lead AI Software Engineer to architect and scale AI-driven products. The ideal candidate will have over 5 years of full-stack development experience and 2+ years in AI/ML engineering, with expertise in Rust or Golang. Responsibilities include developing AI features, integrating LLMs into...

A leading technology and localization company in Madrid is seeking an experienced Full Stack Engineer to join their AI Team. This role involves developing innovative AI-powered software applications, building user-friendly web interfaces, and creating robust backend APIs to support scalability. The ideal candidate will have a strong background in full stack...

A leading technology firm in Spain seeks a Full-Stack Engineer to shape key tools in contextual advertising. The role involves developing both client-side features and scalable backend APIs, demanding proficiency in modern front-end languages and software engineering principles. Candidates should have 5+ years of experience and demonstrate adaptability in a...

About The RoleHTS Assist is Hopper's agentic AI assistant for travel, resolving flight changes, cancellations, refunds, and bookings over chat and voice for some of the world's largest travel brands. We're looking for a senior full stack engineer to anchor this product, owning the realtime and voice layer end to end while building across React/TypeScript...

Avooq is seeking a talented Full-Stack AI Engineer to migrate to scalable infrastructure and maintain a high-performance platform. You will lead the migration to custom cloud infrastructure, build scalable React/Next.js and Node.js systems, and deploy production-grade AI/LLM integrations with high concurrency.Ideal candidates have 5+ years of full-stack...

Mondelēz International is seeking Full Stack AI Engineers to join a growing engineering team building an AI-powered insights platform. You will work across disciplines to design and deliver intelligent systems that turn raw market data into decision-ready recommendations for stakeholders globally.The team includes specialists in full stack development,...

Toggl is seeking a Senior Full Stack Engineer to join a Tribe responsible for Toggl 2.0, a unified planning, time tracking, and time intelligence product. You’ll own cross‑functional features from API to UI, working with React/TypeScript on the frontend and Golang on the backend, with PostgreSQL as the data layer. You’ll collaborate with product...

MaxIT Consulting – Max Corporate Group in Spain seeks a Senior Software Engineer for Digital Banking & FinTech products. You will own complete product experiences, from customer-facing flows to backend services, focusing on banking, payments, onboarding, KYC, and other regulated finance workflows. The client prioritizes strong senior engineering with real...

Spain | Remote | Senior Engineering Opportunity MaxIT Consulting – Max Corporate Group is looking for a Senior Software Engineer – Digital Banking & FinTech Products to join a fast-growing New York fintech company building banking and payment products for US prediction markets and regulated gaming. The company develops consumer-facing financial products...

Description About Xe Xe is a cross-border payments platform. We help SMEs and consumers in the US, UK, Canada, Australia, and New Zealand collect, convert, hold, and send money across markets. Each year, over 300 million people use Xe for currency information and over 350,000 use us to send money overseas. Today, we’re rebuilding the platform layer behind...

Senior Full Stack Java Developer We are still looking for the very Top Talent and we would be delighted if you were to join our team! More in details, UST is a multinational company based in North America, certified as a Top Employer company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital...