Gilberto Ribeiro Olimpio Email and Phone Number

I have been developing new features and maintaining BetStop (the National Self-Exclusion Register) with a skilled software engineering team. We use Java, Spring Boot, Auth0, K8s, and AWS Cloud Computing. My primary focus is on the server side, where I help to build and maintain Microservices APIs.

I played a key role in building BetStop (the National Self-Exclusion Register) as part of an accomplished software engineering team. My contributions centred on server-side development, where I actively participated in the design, development, and maintenance of Microservices APIs using Java, Spring Boot, Auth0, K8s, and AWS Cloud Computing.

I've worked on the development of client-side RESTful APIs for integration of ANZCRO's travel booking system with partners.

In my role, I have contributed to various aspects of the company's online booking system. This includes coding and maintenance tasks using Java, Python scripting development for automating system deployments, and creating Docker containers for testing environments. Additionally, I have been involved in analysing and designing new features and system enhancements.

Part time work.I have prepared the initial system architecture documentation for a direct marketing startup located in São Paulo, Brazil. Along with the documentation, I designed and developed a proof of concept for their system. Additionally, I hosted and maintained their demo website on Heroku (Cloud Application Platform) and Google Cloud Computing.Additional Skills:◾ Scala (Akka) ⋅ NodeJS ⋅ RabbitMQ ⋅ Redis

Responsibilities:◾ Code and maintenance of core libraries and system functionality; analysis of external and internal client requirements; integrating the product (travel system) with third party systems (payment gateways, social media, partners); testing and quality assurance;◾ Participated in daily Scrum meetings and fortnightly project planning;◾ Analysis and design of small to medium sized features and system enhancements;◾ Estimated tasks duration and resources.Additional Skills:◾ Hibernate ⋅ Ehcache ⋅ Dependency Injection ⋅ Apache CXF ⋅ Quartz Job Scheduler◾ Subversion ⋅ Jira ⋅ Confluence ⋅ Hudson Continuous Integration◾ Oracle GlassFish Server ⋅ IBM Informix Database

Responsibilities:◾ Designed and developed a Java-based application server software platform for the company's case tracking system, incorporating: ▪ Jetty: embedded web server ▪ Apache CXF: embedded RESTful web services server ▪ Apache ActiveMQ: embedded Java Message Service (JMS) ▪ OSGi (Eclipse Equinox): hot deployment support◾ Responsible for requirement analysis and development of data transfer procedures: ▪ Developed data transfer procedures using Java and T-SQL stored procedures ▪ Integrated various data sources (FTP, Web Services, POP3) ▪ Handled multiple data formats (XML, CSV, flat file)◾ Set up Linux server infrastructure and implemented Redmine for project and task management: ▪ Improved software development and management processes ▪ Enhanced collaboration with the installation of an internal Wiki ◾ Participated in daily Scrum meetings and weekly project planning;◾ Developed Redmine plugins: ▪ Created custom reports using Ruby on Rails ▪ Automated publishing of reports to the company's website◾ Maintained two legacy systems: ▪ Supported a desktop version of the case tracking system (PowerBuilder) ▪ Managed a simplified web version for case searching (Struts and JSP, initially deployed in Tomcat)Additional Skills:◾ Hibernate (JPA) ⋅ Apache CXF (Web Services) ⋅ ActiveMQ (JMS)◾ Jetty ⋅ Quartz Job Scheduler ⋅ Equinox (OSGi) ⋅ JSP ⋅ JavaMail ⋅ JUnit ⋅ Mockito◾ MySQL ⋅ Ubuntu Linux ⋅ Subversion

I have contributed to the creation of a magazine and newspaper subscription management system using C# and ASP.NET.

Responsibilities:◾ Leveraged technical expertise to evaluate and approve new tools and frameworks that best suit the needs of the IT department. Proactively researched and introduced emerging technologies to the development team, staying ahead of the curve and fostering a culture of innovation.◾ Streamlined the software development process by implementing a robust task workflow management system and a version control system, ensuring efficient issue tracking, collaboration, and code versioning.◾ Designed system architecture for new projects and provided technical support to the Java development team.◾ Designed and developed a data cleansing solution with features like scheduled jobs and remote administration, improving data quality and efficiency.◾ Designed and implemented the second version of the company's extranet portal, enhancing user experience with Ajax technologies.Additional Skills:◾ Java: JMX (for managing the connection pool) · Groovy (for scripting) · JUnit · ActiveMQ (JMS) · Quartz Job Scheduler◾ Web Services: XFire (now Apache CXF) · Apache AXIS◾ Ubuntu Linux · Bugzilla Server · Subversion Server◾ Databases: HSQLDB (Embedded Database) · H2 Database Engine◾ MySQL, recompiled with custom stored procedures developed in C to support fuzzy logic queries (used as part of the company's Data Cleansing solution).

Responsibilities:◾ Mission-Critical Systems Development: Developed and maintained critical systems including MOM (Message-oriented middleware) and Online Banking systems using Java and C++.◾ Reporting Engine Development: Designed and built a report generator engine for an Online Banking system utilising Groovy, Java, and JasperReports.◾ Secure Thin Client Framework Development: Designed and developed a secure thin client framework functioning as an offline web browser for Online Banking systems. This framework supported embedded Groovy scripts within HTML documents for dynamic content creation and could process digitally signed and encrypted data from banks.

Responsibilities:◾ Data Quality and Marketing Intelligence: Designed and developed a data cleansing tool using Java and MySQL to enhance data quality and improve marketing intelligence activities.◾ High-Performance Database Access: Developed and implemented a high-performance and multi-threaded JDBC connection pooling mechanism to optimize database interactions.◾ Web Services and Loyalty Program Infrastructure: Implemented the software infrastructure for Web Services using IONA Technologies (Progress Software) and Apache Axis.◾ Designed the software infrastructure for the company's Loyalty Program Portal, including: ▪ Lightweight Java application framework for rapid and consistent web development. ▪ Robust rules engine for calculating points from online and offline data sources. ▪ Security layer for controlling access to the web portal.

Designed and developed a proprietary web service protocol using Microsoft ISAPI and Visual C++ for efficient RPC (Remote Procedure Call) and data transfer functionalities over HTTP. Additionally, pioneered the company's Java division, fostering internal knowledge sharing through mentorship.

I have designed and developed business solutions utilising Visual C++, MS SQL Server, Oracle Application Server (OAS), and PL-SQL.

Responsibilities:◾ Financial Messaging and Middleware (C++): Developed mission-critical software using C++, Unix, and TCP/IP for real-time trade and quote dissemination in stock exchanges. Designed and implemented a custom message-oriented middleware (MOM) tailored for brokerage firms using C++.◾ Web Development (Microsoft Technologies): Created Internet and Intranet websites using ASP, COM+, Visual Basic, and SQL Server. Designed and developed EDI (Electronic Data Interchange) server solutions using Visual C++.◾ Technology Adoption and Team Support: Actively researched new technologies like COM+ and Microsoft Message Queuing. Provided support to the web development team, demonstrating initiative and knowledge sharing.