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Ricardo Javier Herrera Ledesma has a comprehensive work experience in the field of software development. Ricardo Javier currently holds the role of Senior Java Software Engineer at SodiusWillert, where they started in 2021. Prior to this, Ricardo worked as a Senior Java Programmer at Koneksys from 2017 onwards.

Before joining Koneksys, Ricardo gained valuable experience at Secretaría de Hacienda y Crédito Público as a Senior Java Programmer. In this role, they analyzed, designed, and developed a new J2EE application with Angular. Ricardo Javier also developed rest services with Jackson and utilized JPA API with Hibernate for persistence. Ricardo Javier'stenure at Secretaría de Hacienda y Crédito Público lasted from July 2015 to May 2017.

Ricardo's earlier experience includes working as a Software Developer at Ericsson in 2015. There, they developed and maintained modules for a J2EE application and created a batch process for data migration using technologies like Oracle DBMC, JAXB, and Maven.

Before their time at Ericsson, Ricardo worked at Secretaría de Hacienda y Crédito Público as a Senior Java Programmer from September 2014 to December 2014. Ricardo Javier also worked at Noaris Intelligent Software as a Senior Java Programmer from June 2014 to August 2014. In both roles, they contributed to the development of J2EE applications using frameworks like ZK, Spring, and Hibernate.

In addition, Ricardo has experience working at Instituto Mexicano del Seguro Social as a Senior Java Programmer from July 2013 to April 2014. Ricardo Javier modified an enterprise application to support digital certificates issued by a Mexican taxes government dependency. Ricardo Javier also participated in the migration of a file-based system to a SOA-based system at Instituto de Seguridad Social para las Fuerzas Armadas Mexicanas from May 2013 to July 2013.

Before their role at Instituto Mexicano del Seguro Social, Ricardo worked at Hewlett-Packard as an Information Specialist from March 2011 to March 2013. Ricardo Javier contributed to updating the billing process for Nextel and worked with technologies like Pro*C, XML, and PL/SQL.

Ricardo's early career also includes working as a Java Developer at Grupo Elektra from March 2010 to March 2011. In this role, they coordinated and participated in the development of the Western Union module for a multi-service site using technologies like Axis2, Oracle, Struts2, and JavaScript.

Overall, Ricardo Javier Herrera Ledesma has a diverse and extensive background in software development, with expertise in Java programming, J2EE applications, web services, and database management.

Ricardo Javier Herrera Ledesma completed their education from 2000 to 2005 at the Instituto Tecnológico de Celaya, where they obtained a degree in Computer Science Engineering with a specialization in Data Bases. In addition to their degree, Ricardo has achieved several certifications in the field of Java programming. In 2008, they became a Sun Certified Java Programmer 5, and in 2013, they obtained two Oracle certifications: Oracle Certified Professional Java SE 6 Programmer and Oracle Certified Professional, Java SE 6 Programmer.