Sherwin John Calleja Tragura is currently a Java-JakartaEE-C# corporate trainer who is also a subject matter expert on Python 3, Angular 7, Ionic 3, Alfresco, CMS, DMS, and Webscripts. He is currently involved in business analysis and the technical design of a web and mobile project with a number of ongoing projects in the area of reactive programming and web frameworks. He graduated from the University of the Philippines Los Baños, where he started his career as a university lecturer. He has authored Spring 5 Cookbook, Spring MVC Blueprints, and Jakarta EE 8 Recipes, all published by Packt Publishing. He is continuing to explore and share new techniques in the areas of microservices, Java, C# .NET, and JavaScript frameworks, all of which will prove useful to future projects and training.
Samer Abdelkafi has over 14 years' experience as a software architect and engineer, with a primary focus on open source technologies. He has contributed to numerous projects in different sectors, including banking, insurance, education, public services, and utility billing. At the end of 2016, he created DEVACT, a company specializing in information technology consultancy.
In addition to his day job, he has reviewed many books related to Spring projects, including Mastering Spring Cloud, Mastering Spring Boot 2.0, and Spring MVC Blueprints.
Mohamed Sanaulla is a full-stack developer with more than 8 years' experience in developing enterprise applications and Java-based backend solutions for e-commerce applications. His interests include enterprise software development, refactoring and redesigning applications, designing and implementing RESTful web services, troubleshooting Java applications for performance issues, and TDD.
He has significant expertise in Java-based application development, ADF (a JSF-based Java EE web framework), SQL, PL/SQL, JUnit, designing RESTful services, Spring, Spring Boot, Struts, Elasticsearch, and MongoDB. He is also a Sun Certified Java Programmer for the Java 6 platform. He is a moderator for JavaRanch, and likes to share his findings on his blog.