ÁLvaro S.

Back-end and Systems Engineer

Backend Developer
11/1/2023 - Present

Engaged as a Backend Developer on the Rate Engine project within the Marketing division, primarily focusing on vehicle financing plans. Developed expertise in a comprehensive tech stack including Primefaces, Spring Framework, Angular, HTML, JSF, Javascript, Java, NodeJS, EJB, JUnit, SpringBootTest, SQL Server, MongoDB, Redis, Cerberon, Oracle Weblogic, Docker, OpenShift, and utilized tools like Git, Tortoise SVN, Microsoft Azure, IntelliJ IDEA, Jira, Confluence, Artifactory, and Project Lombok.

Key accomplishments encompassed the enhancement of the Direct ecosystem to incorporate intermediate installments into vehicle financing plans, involving extensive modification and adaptation of backend code across multiple components within the vehicle financing flow. This improvement increased the value proposition of financing plans. Additionally, executed local WebLogic configuration for efficient debugging of Rate Engine components.

Developed and demonstrated significant skills in a diversified range of technologies and tools such as OpenShift, Redis, MongoDB, JUnit, Microsoft SQL Server, IntelliJ IDEA, Jira, Confluence, Sonar, and Git, solidifying technical expertise in backend development and project management.

Backend Developer
8/1/2023 - 11/1/2023

Developed proficiency in SQL Integration Services (SSIS) and SQL Server. Enhanced the control flow of SSIS and its associated tables by modifying existing procedures, creating new tables and procedures, and updating the SSIS control flow to accommodate new data requirements. These improvements significantly automated the generation of reports, aiding the business area in managing monthly commissions more efficiently. Conducted thorough analysis and comparison of data from SSIS-generated reports against other internal reports related to accounts payable. Demonstrated expertise using Tortoise SVN for version control, Visual Studio, Microsoft SQL Server, Jira, Confluence, and Microsoft Visual Studio Code.

Backend Developer
5/1/2023 - 8/1/2023

Served as a Backend Developer in a B2C project involving the integration and maintenance of various functionalities within the system. Demonstrated technical expertise in technologies such as Primefaces, Spring Framework, Angular, HTML, JSF, Javascript, Java, NodeJS, and EJB. Specialized in integrating REST and SOAP APIs, including a notable implementation that centralized all relevant customer data from the bank, which was pivotal for applications relying on these APIs. Configured Dockerfile for application integration and performed extensive testing in Java/Web environments.

Developed and maintained the system using SQL Server and MongoDB, ensuring efficient data management. Utilized Git for source control and managed cloud services on Microsoft Azure. Architected layout aspects including dynamic menu creation and documented configuration processes for local environments with Oracle WebLogic. Leveraged tools like IntelliJ IDEA, Microsoft Visual Studio Code, and Eclipse for development, and utilized Jira and Confluence for project management and collaboration. Engaged with Sonar for code quality analysis and Artifactory for artifact management. Additionally, applied knowledge in OpenShift, JUnit, Docker products, and Project Lombok to enhance project outcomes.

Backend Developer
1/1/2022 - 3/1/2023

Developed and maintained the main components and functionalities of the Galileo system, focusing on the implementation of SWIFT and ISO20022 payment standards. Created SQL scripts and QBOL to assist in project tasks. Documented various technical issues related to the Galileo system utilizing Confluence and OneNote, including the creation of a comprehensive step-by-step guide on integrating new versions of the Fiserv system into Galileo code, which serves as a crucial resource for the team.

Developed proficiency in tools and frameworks such as Struts, Bootstrap, jQuery, Java, EJB, JUnit, Mockito, PowerMock, Git, and TeamCity. Demonstrated expertise in Oracle and PL/SQL, ensuring code reliability and maintainability through extensive testing and documentation efforts. Gained familiarity with software like WebLogic, Bitbucket, IntelliJ IDEA, Jira, Confluence, and Sonar, leveraging these tools for effective project management and code quality assurance. Enhanced skills in Java, HTML, SQL, JavaScript, Linux, and utilized various development environments including Microsoft Visual Studio Code and Oracle SQL Developer. Efficiently managed artifacts using Artifactory and streamlined integration processes with Project Lombok and TeamCity.

Backend Developer
8/1/2021 - 12/1/2021

Developed proficiency in Spring and Java while working on a project for a major financial institution. Executed the development of a tool for converting and translating XML tags from the ISO20022 format to a user-friendly format. The tool, designed to handle the high volume of tags within ISO20022 messages, was implemented using traditional Java as well as Spring Boot to leverage its features such as endpoints. XML tags extracted from ISO20022 messages were transformed into more intelligible descriptors, with storage solutions including databases. Additionally, addressed bug fixes within CI/CD tools like TeamCity and repository manager Artifactory, resolving issues caused by missing dependencies. This involved deploying missing dependencies to Artifactory, enabling successful builds in TeamCity.

Gained substantial experience with tools and frameworks including Bitbucket, Spring Framework, Sonar, PL/SQL, ISO20022, Git, Github, Microsoft Visual Studio Code, Eclipse, Oracle SQL Developer, Artifactory, TeamCity, and Project Lombok.

IT Analyst
8/2/2018 - 8/1/2021

Developed and maintained the FomentoNet web system using Struts, Bootstrap, HTML, jQuery, and Java. Enhanced the performance of the Doc3040 system, which handles extensive credit operation data. Optimized performance by replacing lists with dictionaries in the code to accelerate searches, refactoring code to minimize database searches executed outside of loops, and reducing data volume overhead through partitioned and complementary data queries. Conducted testing in Java/Web environments, and designed reports in CSV, XML, and PDF formats utilizing iReport. Maintained the IT team's internal Wiki. Acquired technical proficiency in Sonar, PL/SQL, Java, HTML, Microsoft Office, SQL, JavaScript, jQuery, Bootstrap, Eclipse, and Oracle SQL Developer.

Researcher
12/2/2011 - 3/2/2013

Conducted research and development work on the FIBRE project for the National Research Network (RNP) as a scholarship holder at UFSCar. This involved contributing to a cooperative project between Brazil and Europe focused on implementing and validating a testbed for the future Internet, facilitating experimentation between Brazilian and European researchers. Developed proficiency in using the Plone framework for website development, successfully creating and managing the ASGARD lab's website and its associated logo. Gained significant experience in computer programming, utilizing languages such as C++, Python, and Java. Involved in the installation and configuration of various software and hardware infrastructure, including operating systems and specific applications, enhancing technical skills in system administration and support.

Computer Science at Federal University of São Carlos
2013 - 2016

Spring Boot For Beginners (Credential ID: cert_wpbnsx1b) at Amigoscode
4/1/2023

Java Functional Programming (Credential ID: cert_k9cj3mf7) at Amigoscode
4/1/2023

Programming Logic at JDev Treinamento
4/1/2023

GitHub Code Versioning at JDev Treinamento
4/1/2023

English Proficiency - B2 at GFT Group
2/1/2022

AWS Cloud Practitioner Essentials Course (Credential ID: E-N0539V) at Amazon Web Services (AWS)
2/1/2022

AWS Certified Cloud Practitioner (CLF) at Amazon Web Services (AWS)
2/1/2022

Innovating with CSS (Credential ID: 63439D39-8A2A-4581-B65D-B6451852CD93) at Fundação Bradesco
9/1/2020

Introduction to Object-Oriented Programming (OOP) (Credential ID: B248E9CB-181A-4C6D-9506-117710E62E42) at Fundação Bradesco
8/1/2020

HTML and CSS in Practice (92C7B6CA-DCD8-4773-A0DD-FEB03ACFB21C) at Fundação Bradesco
8/1/2020

Data Modeling (Credential ID: E49E078F-5587-43E1-B3A1-68F0277FC861) at Fundação Bradesco
8/1/2020

Java Programming Language - Advanced (Credential ID: DEC9B8B2-4E2D-438B-8D68-5A91B53699ED) at Fundação Bradesco
8/1/2020

Java Programming Language - Basic (Credential ID: 495B3FB2-7647-4B7B-94A8-0729B2663E9F) at Fundação Bradesco
8/1/2020

Foundations of Programming Logic (Credential ID: B1C64DDD-D6F5-47A5-9133-5D1522DD3B49) at Fundação Bradesco
6/1/2019

Certificate in Technical Reviewing at V Workshop of Specialization in Computer Networks at UFSCar
12/1/2015

Level 1 Certificate in English for Speakers of Other Languages (ESOL) (Credential ID: 100/2138/3 CFG0434/814524/543406/03/12/1987) at The City and Guilds of London Institute
7/1/2014

TOEFL ITP at UFSCar
6/1/2014

Certificate in Technical Reviewing at IV Workshop on Specialization in Computer Networks at UFSCar
12/1/2013

Certificate of Participation in UFSCar Computer Week (SeComp 2009) at UFSCar
6/1/2009

Level 3 Certificate in Japanese-Language Proficiency (Credential ID: 3A207503 04*31801-30085) at The Japan Foundation
2/1/2005