Ciro A.

Full-stack Product Engineer

Developer
5/1/2021 - Present

Ensured seamless operation and ongoing development of enterprise applications, focusing on both front-end and back-end elements. Leveraged Java for back-end development, JavaScript for front-end tasks, and SQL for database procedures, triggers, and scripts within an ORACLE database environment. Supported legacy systems using Java 6, Gradle, PLSQL, Java Server Pages, and Jasper Reports. Contributed to new development initiatives utilizing Java 8 and 11, Spring Boot, JPA, and Microservices architecture. Front-end technologies included Angular, JavaScript, and TypeScript, while the build and package management utilized Maven and NPM. Achieved proficiency in leveraging Node, React, Next.js, and Nest.js frameworks, alongside MongoDB for database management. Both legacy and new projects were managed using Gitlab for version control, Jenkins for continuous integration, and Docker for containerization.

Developed expertise in back-end development using Java frameworks such as Spring MVC, Spring Boot, and Hibernate. Displayed advanced front-end development skills with AngularJS, React, and communication in English. Proficient in various database systems, including Microsoft SQL Server, MySQL, MongoDB, and Oracle SQL. Applied ITIL best practices to ensure robust IT service management across projects. Utilized a comprehensive understanding of the Spring Framework and associated tools, reinforcing strong system development capabilities.

Developer
9/1/2020 - 7/1/2022

Oversaw the operation and development of company applications, utilizing JAVA to create robots and employing webscraping with HtmlUnit. Contributed to the evolution of projects and modules used in microservices architecture. Developed technical expertise in SQL Server, PostgreSQL, and MongoDB databases, as well as JavaScript. Demonstrated proficiency in back-end development, systems development, and microservices frameworks. Utilized tools and frameworks such as Hibernate, Spring Boot, Spring MVC, and Spring Framework, in alignment with ITIL practices. Enhanced application performance and stability using MySQL.

Developer
8/1/2019 - 5/1/2021

Ensured seamless operation and development across the company's applications, handling front-end, back-end, mobile, and AWS environments. Developed technical proficiency in JAVA and JavaScript, with extensive backend work using Spring Boot, MySQL, Node.js, and MongoDB. Front-end development expertise included Angular, while mobile development was achieved using native Android and React Native. Demonstrated skills in database management with MySQL and MongoDB. Proficient in back-end development, systems development, and database management with Microsoft SQL Server and Elasticsearch. Implemented microservices architecture and utilized Hibernate, Kotlin, and the Spring Framework, including Spring MVC and Spring Boot, to enhance system performance. Applied ITIL best practices for IT service management.

IT Analyst
11/1/2018 - Present

Ensured smooth operation of the Talonário Eletrônico app, used at Detran-PA, by working in N2 support, facilitating problem-solving, and gathering requirements. Collected and integrated feedback from traffic agents to continuously improve the application. Conducted thorough testing to maintain and enhance the application's functionality. Developed proficiency in handling Microsoft SQL Server and MySQL databases, contributed to systems development using Spring MVC and Spring Framework, and utilized Node.js for development tasks. Adhered to ITIL best practices for technical support and demonstrated strong skills in managing Linux Server environments.

IT Backoffice
7/1/2017 - 10/1/2017

Responsible for the implementation and development of infrastructure changes, migrating systems from IBM to Fujitsu. Managed OS/Fujitsu migrations on company terminals using SCCM. Executed virtualization processes with Hypervisor and managed configurations using SAP Configurator. Utilized Scrum and Kanban methodologies to streamline workflow. Leveraged Oracle Database for data management. Mapped the entire project following the company's PDTI and adhered to ITIL V3 standards.

Computer Engineering at Amazon Higher Studies Institute - IESAM
2010 - 2014

Computer Networks with an emphasis on certification. at Cesupa - University Center of the State of Pará
2016 - 2017

Oracle Certified Associate, Java SE 8 Programmer at Oracle
8/1/2023

Ethical hacking foundation at EXIN your ICT competence partner
1/1/2018

ITIL® Foundation Certificate in IT Service Management at EXIN your ICT competence partner
12/1/2017