Senior Java Developer

Description

Position Summary: We are seeking a Middle Java Developer with a strong sense of technical responsibility and expertise in integration with PACs and CFDI certification to optimize enterprise applications. Key Highlights: 1. Technical leadership in invoicing with PACs and CFDI 2. Development and evolution of Java applications (8–21) 3. Mission-critical environments with infallible data processing We seek a **Middle Java Developer** with a high degree of technical responsibility to join our development team. The ideal candidate is not only an expert in the Java ecosystem but also possesses deep expertise in **integration with PACs and CFDI certification logic**, ensuring our enterprise applications operate under the highest standards of optimization and compliance. **Key Responsibilities** * **Development and Evolution:** Design, maintain, and optimize enterprise applications using **Java 8 through Java 21**. * **Technical Leadership in Invoicing:** Lead technical integration with various **PACs** for high-volume, efficient **CFDI** stamping. * **Interface Maintenance:** Evolve user interfaces built with **JSF** and strengthen persistence layers. * **Data Optimization:** Design and tune complex queries in **PostgreSQL** to ensure system performance. * **Process Automation:** Implement and manage large-scale data loading and processing workflows using **Spring Batch**. **Technical Requirements (Mandatory)** * **Experience:** More than **5 years** of verifiable professional Java development experience. * **Java Stack:** Advanced proficiency in the **Spring Framework** (Spring Boot, MVC, Security). * **Persistence:** Solid experience with **JPA and Hibernate** / Spring Data. * **CFDI Specialization:** In-depth knowledge of **electronic invoicing logistics and PAC integration** (**MANDATORY and VERIFIABLE**). * **Databases:** Advanced proficiency in **PostgreSQL** (optimization, triggers, functions). * **Legacy/Enterprise Frontend:** Experience working with **JSF (JavaServer Faces)**. * **Tools:** Repository and workflow management using **GitLab**. **Desired Profile** * Analytical ability to resolve complex integration problems. * Focus on code quality and scalability. * Experience operating in mission-critical environments where data processing must never fail. **We Offer** * Competitive salary * Statutory benefits * Grocery vouchers * Savings fund * 30-day year-end bonus * 50% vacation premium * Life insurance * Major medical expense insurance * Subsidized cafeteria Interested candidates, please apply via this channel Salary: $25,000.00 MXN per month Benefits: * Savings account * Medical expense insurance * Discounted cafeteria service * Grocery vouchers Workplace: On-site employment