Leandro M.
Back-end and Systems Engineer

Skills

Java

Javascript

Amazon Aws

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Bio

Senior Java Developer specialized in Microservices, with a comprehensive technical skill set accumulated over extensive periods. Possesses 13 years of experience in Java programming and project-oriented development, alongside 4 years focused on Spring Boot, Quarkus, Microservices, Kubernetes, and Cloud Computing across AWS, Azure, and GCP platforms. The expertise encompasses 10 years with WebServices (XML and REST) and 8 years of managing version control systems like GIT (GitHub, BitBucket, Tortoise GIT). Proficiency includes Spring MVC, JMS, message queuing systems such as RabbitMQ and Kafka, and relational databases (MySQL, Oracle, PostgreSQL, DB2, SQL Server) over 13 years, and non-relational database (MongoDB) over 6 years. Acquainted with operating systems Linux and Windows for 13 years and experienced in using application servers including Apache HTTP Server, Apache Tomcat, JBoss Application Server, Glassfish, and WebLogic Server. Additionally, skilled in automation through Jenkins for 6 years and has developed front-end capabilities in Angular and TypeScript over the last four years.

Demonstrates excellent teamwork capabilities and determination to enhance professional growth through practical results, contributing to performance efficiency within workplace environments, complemented by superb interpersonal communication skills and maturity.

A significant achievement includes playing a pivotal role in implementing the PIX project at CAIXA Bank, showcasing a commitment to innovative practical solutions to streamline tasks.

Motivated by challenges and flexible towards change, seeks growth through new experiences. Holds Brazilian nationality, married without children, and enjoys watching TV series, engaging in physical activities, and traveling with family during leisure time.

Senior Systems Development Analyst
10/1/2018 - Present

Developed proficiency in software development using Java, with strong expertise in Object Orientation and Algorithms. Engaged in the development of MicroServices employing Spring Boot and Quarkus, along with the documentation, modeling, and implementation of REST and SOAP APIs. Played a critical role in defining service specifications and corporate solutions architecture. Specialized in the specification and development of Java web systems utilizing the Spring framework, and actively participated in projects following the agile Scrum methodology.

Contributed as a Java developer on significant Internet banking and Financial Manager projects. Showcased back-end development skills with comprehensive knowledge in the fintech market, specifically in payment methods, fraud analysis, and reconciliation systems. Demonstrated capabilities in cloud computing across AWS, Azure, and GCP platforms. Ensured effective code versioning using Git, with repositories maintained on GitHub, BitBucket, and Tortoise GIT.

Contributed to front-end development by creating Angular components and leveraging Typescript. Utilized various tools and technologies including Java, Spring Boot, Quarkus, Microservices, Kubernetes, and a mix of web services like XML and REST. Managed and integrated data with relational databases such as Oracle, MySQL, PostgreSQL, DB2, and SQL Server, as well as non-relational databases like MongoDB.

Operated within Linux and Windows environments, utilizing Apache HTTP, Apache Tomcat, JBoss Application Server, JBoss EAP7, Glassfish, and Weblogic Server. Employed Jenkins for continuous integration and continuous delivery (CI/CD) processes.
Senior Systems Development Analyst
8/1/2017 - 6/1/2018

Developed proficiency in software development using Java programming language and demonstrated expertise in object orientation and algorithm design. Specifications of services and architecture of corporate solutions were consistently managed and improved. Successfully specified and developed Java web systems utilizing Spring framework. Handled documentation, modeling, and implementation of REST and SOAP APIs, while developing Angular components to enhance front-end capabilities. Operated as a full-stack developer, showcasing versatility in both front-end and back-end development.

Effective version control was maintained using Git tools including GitHub, BitBucket, and Tortoise GIT. Developed proficiency with Spring Boot and Microservices architecture. Leveraged Kubernetes for container orchestration and managed both relational databases (Oracle, MySQL, PostgreSQL, DB2, SQL Server) and non-relational databases (MongoDB). The work environment included both Linux and Windows operating systems, and expertise was developed on various servers such as Apache HTTP, Apache Tomcat, Jboss Application Server, and Jboss EAP7. Utilized Jenkins for continuous integration and delivery processes.
Senior Systems Development Analyst
12/1/2016 - 8/1/2017

Developed proficiency in software development using Java programming language, focusing on Object Orientation and Algorithms. Conducted full stack development of applications, particularly in the areas of architecture and integration. Demonstrated expertise in documentation, modeling, and implementation of REST and SOAP APIs, exhibiting strong full stack developer skills. Ensured collaborative code maintenance and versioning using Git, GitHub, BitBucket, and Tortoise GIT. Technical tools and frameworks utilized include Java for programming, XML for web services, and a variety of relational databases such as Oracle, MySQL, and SQL Server. Operated within Linux and Windows environments and managed deployments on JBoss Application Server and JBoss EAP7. Automated build and deployment processes were facilitated using Jenkins.