**At ATM Grupo Maggioli**, we are looking for a **Senior Java Developer** to join our development team in the **Revenue and Tax Management** area. **Responsibilities** * Participate in the **development** and maintenance of our **Java** applications in the Revenue area. * **Collaborate** with different teams to study and implement improvements. **Requirements** * Minimum of 3 **years of experience in Java development**. * Proficiency in **Java** and relational **SQL** databases. * Profile capable of providing **stability and long-term vision**. **Desirable** * Knowledge or experience in **revenue systems, taxation, economic management, or other areas related to Local Public Administration**. * Previous experience in Public Administration or companies in the sector. * Knowledge of integration with other modules. **We offer** * **Indefinite contract and stability**. * **Full-time** position with reduced working hours and only 2 afternoon shifts per week. * **Hybrid work** (remote/onsite mode depending on needs). * **Flexible Compensation Plan** and accident insurance. * **24 working days of vacation per year.** **About us** ATM Grupo Maggioli is a company specialized in developing technological solutions for Local Public Administration in Spain. We bring over 50 years of experience in the sector and are part of the **Grupo Maggioli**, an international leader with over 100 years of history in public administration services. Our activities include management software, consulting, and training, with a clear focus on innovation, efficiency, and digitalization of the public sector. We hold **ISO 9001, ISO 14001, ISO 27001, and ENS High Level** certifications, which attest to our commitment to quality, information security, and sustainability. At ATM Grupo Maggioli, we promote an inclusive, diverse, and equitable work environment. We firmly believe that innovation arises from the plurality of perspectives and experiences, and therefore we guarantee equal opportunities in all our selection processes, without discrimination based on gender, age, origin, sexual orientation, gender identity, disability, or any other personal or social condition. Job type: Full-time, Indefinite contract Salary: €16,000.00\-€45,000.00 per year Benefits: * Flexible working hours * Summer reduced hours * Reduced hours on Fridays * Optional remote work Application questions: * What are your annual salary expectations for this position? Work location: Hybrid remote in 28020 Madrid, Madrid province