Empleos de senior java fullstack engineer for api en Madrid

OverviewWe are looking for aSenior Java Backend Engineerto join a long-term freelance project in Barcelona (hybrid: 3 days onsite, 2 remote). This role is part of a strategic transformation initiative in the financial sector, modernizing data management systems with cloud-native technologies and agile methodologies. ResponsibilitiesBuild and optimize...

RingCentral is seeking an experienced Java Software Engineer in Valencia, Spain. You will join the Platform team to develop a high-performance REST API for our Unified Communications service. This role requires solid backend development experience, with the opportunity to work on globally distributed systems maintaining high availability. We offer a...

Toshiba Global Commerce Solutions is seeking a hands‑on Software Engineer to contribute to the design, development, testing, and support of modern retail platforms and solutions.In this role, you will partner with senior engineers, architects, product teams, and technical leaders to deliver high‑quality software that meets client and business objectives....

Sinch AB is looking for a Senior Software Engineer based in Spain to design and build the next generation of the Contacts Platform. The role is primarily remote, with occasional office visits to Madrid. Responsibilities include developing scalable distributed systems, maintaining backend services, and collaborating with cross-functional teams. Ideal...

At K-LAGAN, we're looking for talented people to keep growing with us!We are an international technology services company specialized in:IT: Banking, Insurance, Retail & E-Commerce, HealthcareTransport & Supply Chain: Rail, Automotive, Logistics, and AerospaceManufacturing: Renewable Energy, Oil & Gas, and UtilitiesR&D: Research, innovation, and development...

A leading software development company in Spain is looking for a Java Software Engineer to enhance its core data platform. This mid-senior level role requires expertise in PostgreSQL and Spring Framework, along with a solid understanding of performance tuning and microservices. You will design high-performing database solutions and collaborate with diverse...

zooplus is seeking a Senior Software Engineer specialized in Java, Kotlin and Python to help deliver high-quality loyalty products for our customers. The role involves building features, maintaining systems, and improving our infrastructure in a hybrid Madrid-based setup with global collaboration. The team emphasizes clean code, microservices, and continuous...

UST is seeking a Senior Software Engineer (Java & Spring) to build scalable cloud-native applications within an Agile/DevOps environment for a strategic banking project. Hybrid work requires three days per week at central Madrid offices. You will design, develop, test, deploy, and monitor mission-critical software, collaborate with cross-functional teams,...

Luxoft Spain is seeking a skilled Java backend engineer to join our development team working on sophisticated software for a global orthodontics leader. You will design and develop web systems, contribute to API services, and help integrate internal systems across the manufacturing process.The role requires 5+ years of Java experience, deep knowledge of...

Intelligent Apps GmbH is seeking a Senior Backend Engineer (m/f/d) for Driver Onboarding to own backend features end-to-end. You will design and develop scalable services, work on distributed systems, and ensure performance through monitoring and CI/CD automation. The role requires strong Kotlin/Java skills, familiarity with Spring Boot, microservices, and...

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the...

As you contemplate your future, you might be asking yourself, what’s the next step? Start your journey with us! We're seeking an experiencedJava Senior Software Engineerto join ourCustomer eXperienceteam in Madrid or Barcelona (Hybrid) to bring the power back to travellers. If you're ready to soar, we're ready to take you there. Why eDreams ODIGEOJoin the...

We are still looking for the very Top Talent…and we would be delighted if you were to join our team! 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 digital technology services, and we...

SQUAD Technology Solutions busca un Senior Java Engineer para un proyecto estable en el sector público, desarrollando y evolucionando aplicaciones de administración electrónica y gestión económica.Se requieren 8+ años en TI y 4+ años con Java, Java 8, Spring Boot 2.7.18, JUnit 4.8.1, JWT/API Key, Git/GitLab y Oracle DB 19c. Modalidad híbrida en...

Luxoft Spain is seeking a skilled Java backend engineer to join our development team working on sophisticated software for a global orthodontics leader. You will design and develop web systems, contribute to API services, and help integrate internal systems across the manufacturing process.The role requires 5+ years of Java experience, deep knowledge of...

Allianz Technology in Spain seeks a senior Java engineer to modernize critical systems for the KLS life platform, bridging core systems with cloud-native innovations and collaborating with global colleagues. The role requires ~5 years of Java experience, Java 12–21, Spring Boot/JBoss, REST APIs, and JUnit. You will work in a hybrid model, with English as...

Project description Join a greenfield product initiative for a leading company in the fashion retail industry, where you will help design, build, and evolve a new digital solution from the ground up. Working closely with Spanish-speaking stakeholders, you will play a key role in defining the architecture, developing core product capabilities, and delivering...

SIX Group Services Ltd. in Madrid is seeking a Senior Java Full Stack Engineer to join their agile team. The role involves developing new features for financial market projects and collaborating with various teams to ensure robust deliverables. The ideal candidate will have over 5 years of experience in Java technologies and modern web architectures, and...

Altia is seeking a Senior Full-stack Software Engineer to join our team on an international project focused on the development and maintenance of financial applications for a major European organization. You will contribute to secure, reliable, and high-quality enterprise software solutions while collaborating with a multicultural team in Madrid. You'll work...

Parser Limited is seeking a Senior Full Stack Engineer to drive development across the JVM backend (Java/Kotlin) and modern frontend (JavaScript/TypeScript) in a hybrid Madrid setting. You will own features from API design to UI implementation, collaborating with product and design teams to deliver scalable, user-centric travel ecosystem solutions. The role...