Empleos de senior java fullstack engineer for api en Madrid

(Senior) Quality Assurance Engineer - Automation (m/f/x)Department:Business Partner TransparencyEmployment Type:Permanent - Full TimeLocation:MadridDescriptionAs a Quality Engineer, you will play a key role in ensuring the stability, reliability Business Partner Transparency products within the Osapiens HUB platform. You will be responsible for designing,...

Join Swiss Res IT Resilience unit and contribute to building a robust, future-ready IT landscape that underpins the organisation at global scale. Our team is a diverse, internationally connected group of engineers and architects, united by a commitment to pragmatic engineering, operational excellence, and technology with real purpose. We play a critical role...

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...

(Senior) Quality Assurance Engineer - Automation (m/f/x)Department: Business Partner TransparencyEmployment Type: Permanent - Full TimeLocation: MadridDescriptionAs a Quality Engineer, you will play a key role in ensuring the stability, reliability Business Partner Transparency products within the Osapiens HUB platform. You will be responsible for designing,...

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer‑facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Our momentum comes from a simple idea: help teams work...

We are seeking a highly skilled Senior QA Engineer with a strong focus on end‑to‑end (E2E) testing, either using Java‑based testing frameworks or Cypress. The ideal candidate will have extensive experience designing, developing, and executing E2E test automation solutions in fast‑paced agile environments. You will play a key role in ensuring the...

Innovamat Education, SL is seeking a product-focused fullstack engineer for the Editorial Tech team. You will enable cross-team product workflows, remove blockers, and build fullstack tools (logic, API, UI) to accelerate product delivery to schools across multiple countries. You will collaborate with Learning, Linguistics, Illustration, and Tech teams,...

Senior Software Engineer – Growth & OnboardingMadrid OfficeAircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless...

Generous budget for training and professional development opportunities What ALZURA offers youHybrid Work Modern Hardware Equipment Generous budget for training and professional development opportunities Your daily tasksProfessional software development in the technical and methodical environment of Java, Spring Boot, Hibernate, Freemaker Template Engine,...

Ryanair Labs are currently recruiting for an Information Security Engineer – Senior Penetration Tester to join Europe’s Largest Airline Group!This is a very exciting time to join Ryanair as we look to expand our operation to 800 aircraft and 300 million guests within the next 10 years.Ryanair Labs is the technology brand of Ryanair. Labs is a state...

Java Developer(SQL and Spring Framework) - Freelance b2bJava Developer(SQL and Spring Framework) - Freelance b2b1 day ago Be among the first 25 applicantsGet AI-powered advice on this job and more exclusive features.We are currently seeking an experiencedSenior Java Developerto support a long-term project for a European organization. The ideal candidate will...

Is this you?Titan Operating System S.L. (Titan OS), the Barcelona-based technology, entertainment, and advertising company is looking for you! At TitanOS, we live by three core values: Make things happen - We take ownership, move fast, and deliver impact. No ego - We collaborate with respect and humility to reach shared goals. Show genuine passion - We love...

Role DescriptionWe 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 and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on...

Parser is seeking a Senior QA Engineer to safeguard quality across complex data flows and AI-driven products, with a focus on conversational agents. You will design automated tests, validate data outputs, and ensure safe, reliable behavior of generative AI systems. The role requires 8+ years in QA, strong automation experience with JS/Python, API testing,...

Senior Software Engineer, React Native About Tuyo At Tuyo, we are building the future of money. You can think of Tuyo as a bank account inside your phone, but without a bank in the middle. Users stay in control of their money. We are building the most user-friendly and principled way to do money, without intermediaries. Today, we are a small and highly...

Senior Software Engineer - AI & Agentic systems Role Overview We are seeking an experienced Full-Stack Engineer with strong technical leadership capabilities to design, build, and deliver scalable, production-ready software and AI-enabled solutions. The ideal candidate will drive architectural decisions, mentor engineering teams, and work across the full...

Senior Data Quality Engineer Location:Sant Just Desvern, B, ES, 08960City:Sant Just DesvernState:Barcelona (ES-B)Country:Spain (ES)Requisition Number:46239Job Overview We are seeking a highly skilled and passionate Data Quality Engineer to play a pivotal role in shaping the trustworthiness and reliability of our data landscape within our evolving Data Mesh,...

UST España & Latam is seeking a Senior Android Engineer to join a multidisciplinary Mobile Engineering Team in Spain. You will design and develop high-quality Android apps, mentor others, and influence technical decisions while collaborating with product owners, designers, and engineers. Required: 5+ years of Android experience, Kotlin/Java, strong English,...

Senior Software Engineer – AI Training Projects Flexible Hours | $30–$150/hr equivalent, with specialist projects paying more We are recruiting experienced Software Engineers and Senior Software Engineers to support large-scale AI training projects. No previous AI experience is required. The work is focused on real software engineering problems...

Senior Backend Engineer (Java / Integración de Sistemas)En EPAM NEORIS, creemos que la transformación empieza por las personas. Hoy, como parte de EPAM, ampliamos nuestro alcance global y nuestras capacidades, pero mantenemos lo más importante: una cultura donde cada persona puede crecer, aportar y ser protagonista. No buscamos solo cubrir puestos....