**Description:** ---------------- At eXperience IT Solutions, a leading technology services company with over 250 professionals and nationwide presence, we are seeking a Full Stack Engineer – Full Stack Data Solutions Engineer (Java) to join a stable, technologically advanced, and highly technical project. You will work in a collaborative, innovative, and excellence-oriented environment where software quality, data integration, and robust development are fundamental pillars. You will participate in high-impact solutions, combining Back-end development using Java technologies with work on data models and data flows. ***Your mission*** * You will be part of a multidisciplinary team specialized in developing data-oriented applications and services. * Your goal will be to design, implement, and optimize applications, APIs, and services using Java and modern frameworks, ensuring efficiency, scalability, and technical quality. Additionally, you will collaborate on data integration and querying across diverse sources, applying sound software engineering practices. ***What we offer*** * Hybrid work model * Based in Madrid * 2 full in-office days or 3 mornings at the Canillas area * Flexible working hours CFLEX (Mon–Thu 8:30–18:30 | Fri 8:00–15:00) * Stable, long-term project * Collaborative environment with highly skilled professionals * Continuous training plan and professional development * Culture focused on quality, innovation, and continuous improvement **Requirements:** --------------- * University degree in Telecommunications, Computer Science, or Engineering * Minimum 5 years’ experience in full stack or Back-end development, preferably in IT or consulting environments * Strong Back-end development skills with Java, especially with: * + Spring Framework + Hibernate ORM * Experience implementing applications, services, and APIs * Ability to translate business requirements into technical specifications * Experience designing and implementing data flows and data models in relational and Big Data environments * Basic knowledge of SQL and NoSQL integrations * Experience with continuous integration tools: * + Maven + Git + Artifactory + Jenkins * Proficiency in software engineering best practices: * + SOLID principles + TDD + Design patterns + Refactoring * Proactive attitude, ability to work collaboratively in teams, and motivation to learn and innovate ***Valuable requirements*** Not mandatory, but they add value: **Big Data technologies** * Elasticsearch * Kafka / Kafka Connect * Redis * Spark (Streaming & DataFrames) * HDFS * HBase **Graphs and Semantic Web** * GraphDB * RDF * OWL * SPARQL **Front-end** * JavaScript * HTML * CSS * Bootstrap * jQuery **Others** * Ability to communicate data-driven insights and information * Experience with Agile methodologies (Scrum/Kanban) * Continuous improvement mindset, autonomy, and critical thinking * Ability to collaborate effectively with multidisciplinary teams Our commitment is to foster workplaces where people are treated with respect and dignity, always supporting the professional development of our entire team. We guarantee equal opportunities throughout selection, training, and promotion processes, offering a work environment free from any form of discrimination based on gender, age, disability, sexual orientation, gender identity or expression, marital status, or personal or social circumstances. This position is open to all candidates meeting the job requirements. Candidates holding a disability certificate of 33% or higher, as defined under the General Law on the Rights of Persons with Disabilities (LGD), will be especially valued.