Celso M.
Back-end and Systems Engineer

Skills

Spring Boot

Cascading Style Sheets

Hibernate

Oracle Database

Html

Java

Javascript

Kotlin

Mysql

Amazon Aws

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Bio

Experienced software developer with over 15 years in backend development, specializing in Java, Spring, JPA, REST, and relational databases such as MySQL, Oracle, and SQL Server. Proficient in developing Android applications using Kotlin and Java, with a strong foundation in object-oriented programming, database modeling, and mobile development including Jetpack Compose. Demonstrates a continuous passion for learning and exploring various aspects of IT. Currently pursuing flexible, remote opportunities as a freelance contractor (PJ).

Postgraduate Professor
7/2/2015 - Present

Instructed classes within a technical course focused on systems development utilizing Java technologies, including in-depth work with the Spring framework, RESTful APIs, and database management systems such as Oracle Database and MySQL. Provided comprehensive training on mobile development, specifically targeting Android development using both Java and Kotlin. Guided students through web development fundamentals with practical applications of HTML, CSS, and JavaScript.
professor
5/2/2009 - Present

Taught comprehensive classes focused on systems development utilizing Java technologies and the Spring framework. Specialized in developing RESTful APIs, working extensively with Oracle Database and MySQL. Delivered expertise in mobile development using Android with Java and Kotlin, coupled with in-depth knowledge in front-end technologies, including HTML, CSS, and JavaScript.
Systems Analyst
5/2/2004 - 5/2/2009

Developed the factory's production management system using Visual Basic 6, showcasing technical expertise in legacy systems. Created an employee training management system using Visual Basic .Net, adhering to ANVISA standards and ensuring compliance with regulatory requirements. Designed and implemented the company's Foreign Trade management system using Java, demonstrating proficiency in scalable enterprise solutions. Utilized tools such as Java, SQL-Server, Visual Basic, and C#, reinforcing a strong foundation in both database management and diverse programming languages.