Job Summary: We are seeking a senior Full-Stack Java Developer to join Izertis’ team, developing software, user interfaces, and performing quality assurance testing. Key Highlights: 1. Full-stack Java development with Spring and Hibernate. 2. Participation in the complete software development and testing lifecycle. 3. Collaboration within agile teams alongside design and product teams. ### **Description** Izertis is looking for a senior Full-Stack Java Developer with approximately 4 years of experience to join our team. **What are the essential requirements?** Experience in IT project development using Java for at least 4 years, with strong expertise in Spring-based microservices. **Responsibilities** * Software and User Interface Programming Subservice: + Coding of modules, classes, and all types of structures and programs, ensuring code efficiency and high quality. + Execution of all types of tests, including integration, unit, load, and functional tests. + Management, continuous integration, and deployment execution across various platforms. + Management of source code repositories and documentation. + Documentation of development components. + Planning and designing software architecture, selecting appropriate technologies and design patterns. + Reviewing code written by other team members to ensure quality and consistency. + Identifying and resolving complex technical issues, including debugging and performance optimization. + Collaborating with other teams, such as design and product. Teams operate under agile methodologies to ensure software meets project requirements and objectives. + Management of source code repositories and documentation. + Version control. * Software Testing Subservice: + Development of test plans. + Proposing and implementing improvements to testing processes to increase testing efficiency and effectiveness. + Use of automated testing tools and test management systems. + Definition and execution of test cases to verify software functionality, ensuring compliance with specified requirements. + Web service validation testing. + Execution of regression testing. + Creation of unit and integration tests. + Design, development, and execution of unit, integration, system, security, regression, and performance tests. + Creation, execution, and maintenance of automated tests. + Automation of regression tests. + Development of performance test scripts. + Monitoring and analysis of the developed software’s performance. + Identification, documentation, and reporting of errors and issues discovered during testing, collaborating with developers for resolution. + Evaluation of test results and generation of detailed reports on software performance and quality. + Close collaboration with developers, analysts, and other team members to ensure software meets quality standards. **Who Are We?** Izertis, with over 29 years of experience, listed on the BME Continuous Market and ranked among the top 1,000 fastest-growing companies across Europe, offers you the opportunity to advance your professional career alongside more than 2,300 employees across offices in Europe, the Americas, and Africa, with presence in over 50 countries where we deliver services and projects through an extensive portfolio of solutions. If you believe this opportunity may be of interest to you, don’t hesitate to apply! ### **Minimum Requirements** **Minimum Education: Not required** **Minimum Experience:** 4 years in IT development projects. **Specific Experience — Minimum 1 year in:** * Java 8 and later, using Spring and Hibernate frameworks. * Developing applications with JavaScript, HTML5, and XML. * PostgreSQL, Oracle, and PL/SQL. * Git and Jenkins. * Maven and SonarQube. **Additional Experience →** Development using PrimeFaces and JSF frameworks. **Mandatory Certifications — At least one of the following:** * Oracle Certified Associate (OCA) – Java SE. * Oracle Certified Professional (OCP) – Java SE. * Spring Professional Certification. * Certifications in Jakarta EE (Java EE) or equivalent. Location**Madrid** Category**Information Technology and Telecommunications** Subcategory**Programming** Sector**Programming, Consulting, and Other IT Activities** Working Hours**Full-time** Work Modality**Hybrid (On-site and Remote)** Professional Level**Employee** Department**Information Technology**