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Work Background
Foundry Network Service LLCEngenheiro de software
Jan. 2024Dubai, Emirados Árabes UnidosContext: Working at Bumba cryptocurrency exchange platform. Bumba it's a cryptocurrency exchange ISO/IEC27001 certified. Technologies:
- C#
- .NET 7.0
- EntityFramework
- FireBlocks
PlusoftSoftware Engineer
Aug. 2023 - Jan. 2024São Paulo, BrazilContext: Working at Santander Group. Santander Group is a global banking group led by Banco Santander, S.A., the largest bank in the Eurozone in 2021 Technologies:
- Java 17
- Quarkus
- Backstage.io
- ArgoCD
- Apache Kafka
- PostgreSQL
- Vertical Slice Architecture
LinxSoftware Engineer
Mar. 2021 - Dec. 2022Av. Dra. Ruth Cardoso, 7221 - Pinheiros, São Paulo - SP, 05425-902Achievements:
- Decreased in 60% percent the occurrence of tickets in production and significantly reduced the chances of financial loss, customer friction, and loss of reliability due to improper financial settlements: By developing a system in Python to
consolidate the expected payments between the input transaction card system and the payment system
- Decreased the testing time by 70%: By developing a flat-file simulator automating the creation of scenarios of files response from CIP (Interbank Payment Chamber). - Reduced the costs in support by 50%: By fixing bugs that required a lot of manual support interaction. Context:
Linx is a Brazilian company specialized in retail technology, with operations in Brazil and Latin America. As a leader in the management software market, Linx holds 45.6% of the retail software market share in Brazil. On October 18, 2018, Linx launched Linx Pay, a payment sub-acquirer, using payment management systems developed by ProjecTI. When I worked there, LinxPay processed an average of 30 million Brazilian Reais daily. Technologies:
- Java 8
- Python
- Spring Batch
- Spring Boot
- Angular JS
- Azure
- Oracle Database
- MySQL Database
- Swagger Activities:
- Customizations in the back-end and front-end to add new payment capture instances. The instance concentrates payments from PIX (Pix is a mode of instant money transfer and instant electronic payment in Brazilian Real). - Analyze and fix reported errors. - Support de DevOps team to organize and implements Azure pipelines. - Support the financial team by providing query database analysis. - Support integrated teams by providing good API documentation.
- Support the team in understanding the payment system and the integration between each bat process.
VR BeneficiosSoftware Engineer
Sep. 2019 - Mar. 2021São PauloAchievements: - Decreased 90% of the time of database deployments- By implementing Liquibase to automation. - Took the company to the next level - By developing a digital bank account from scratch. Context: VR Benefits is among the largest corporate benefits companies in Brazil. In 2020 VR Benefícios launched a digital bank for the establishments. Technologies:
- Java
- Spring Boot
- RabbitMQ
- Oracle Database
- Junit
- OpenShift
- Aws
- DynamoDB
- Jetty
- Swagger - Sensedia API Management
- Matera Core Banking Activities:
- Developed integrations with legacy services in SOAP.
- Fixed and solved bugs in legacy card service. - Developed microservices using Spring Boot to expose three APIs in REST.
- Configurated APIs in Sensedia API gateway and did necessary data transformations. - Developed a mock server to support end-to-end services when one integration was down. - Developed asynchronous processing using RabbitMQ and implemented all policies to retry and send to dead letter queues. - Developed batch processing using SpringBoot to process transactions outside of business hours. - Developed unit tests and integration tests using JUnit and SpringBoot Test. - Supported creating good observations for critical issues using Kibana and Grafana with the DevOps team combined with log patterns.
ProjecTIJava Developer
Jul. 2018 - Sep. 2019São Paulo e Região, BrasilAchievements: - Decreased the build and deployment time by 97% - By implementing a Jenkins Server and configuring all steps necessary to build and deploy all applications. Context: ProjecTI is a Brazilian technology company that focuses on serving the Payments/Acquirer and Insurance markets. The company specializes in these two sectors with key executives accumulating over 25 years of experience in developing major technology projects. Leveraging its expertise and company, DNA developed in the Cards industry, ProjecTI provides solutions for Revenue Anticipation and Payment Management between Institutions for the Acquirer market, offers consulting services, and develops projects in the Insurance sector. Technologies:
- Java 8 - Java Scripts
- Spring MVC
- TomCat
- Spring Batch
- Swagger
- Angular JS
- Jenkins
- JMockit
- Oracle database Activities: - Developed an offer engine for Tribanco a big bank member of Martins group in Minas Gerais state. The engine was a batch developed in Java and SpringBatch, providing some APIs for the front end and to receive some updates from the partners. The batch process maked call APIs and query databases, filtering the target customer for the offers by parameters imputed in the database from screens developed in Angular JS. The engine also activated the offers by API call, changing values in the database, or delivering flat files for the responsible software. - Made customizations for new customers and added new features to SGP and APS software (Revenue Anticipation and Payment Management Software for the Acquirer market). -Refactored batch processes from pure Java and JDBC to Spring Batch. -Participation in sprint planning and refinement meetings to prioritize and provide a good understanding of new features. - Developed features to meet new regulatory requests from the central bank.
Brasilprev Full Stack Java Developer
May. 2017 - Jun. 2018São Paulo e Região, BrasilContext: Brasilprev Seguros e Previdência S.A. is an Open Private Pension Company of Banco do Brasil in association with the Principal Financial Group, created in 1993. It is located in the city of São Paulo. During my contract, I worked there in three different teams: Maintenance (the team responsible for developing all features that made any modify in the pension system), Portability (the team responsible for developing features for portability of retirement and insurance plans), Capture (the team responsible for developing API's to expose integration with partners able to sell their products). Technologies:
- Java 7
- JavaEE
- EJB 3
- Oracle database
- JSF and PrimeFaces
- IBM WebSphere
- IBM WebSphere Compute Grid Activities:
- Developed EJB modules to upgrade the social security system using WebSphere Server as WebServer. - Developed batch processing to upgrade the social security system, using IBM WebSphere Compute Grid as batch processing framework and runtime. - Developed front-end using JSF and PrimeFaces. - Developed APIs REST to expose methods to register new customers and sell plans on partners, using JavaEE. - Attended all courses and action plans for migration from waterfall methodology to Agile and Scrum.
Monsanto CompanyJava Developer
Nov. 2016 - Apr. 2017São Paulo, BrasilAchievements:
- Reduction in the operational cost of the support team - By solving a persistent bug in calculation royalties. Context:
Monsanto Company is a multinational agriculture and biotechnology corporation owned by Bayer. Headquartered in the United States, within the Bayer group, it is the world leader in the production of the herbicide glyphosate, sold under the brand name Roundup. Technologies:
- JavaEE
- JSF and PrimeFaces
- Oracle database Activities:
- Environmental support of seed technology royalty control system. - Troubleshooting of opened tickets in Jira.
- Issues analyses with the business team and design solutions when necessary. - Developed queries requested from the business team and support team.
- Fixed bugs
PortoJava Developer
Nov. 2015 - Jun. 2016Av. Rio Branco, 1485 - Campos Elíseos, São Paulo - SP, 01205-000Context: Porto is an insurance company from Brazil with 11 million customers. Technologies:
- SOA Oracle Suite
- Jasper and IReport
- RTC Activities: - Developed reports in Jasper using IReport. - Developed Functional specifications for services. - Created and fixed Functional Specifications.
Valor EconômicoSystem Network Administrator
Dec. 2011 - Jun. 2014São Paulo Area, BrazilAchievements:
- Reduced 83% of the time to start end stop all services in the stock market quotes and news platform ValorPRO - By developing automation scripts in PowerShell. - Reduced the time to re-establish the quotation service and alert the analysts in critical situations from 25 minutes to 10 seconds in the stock market quotation platform Valor PRO - By developing automation to query the log of the feed handler service and do proactive steps to re-establish the quotation services and alert the team by e-mail, using SQL Jobs and PowerShell script. Context:
Valor Econômico is a Brazilian newspaper focused on economics, finance, and business. It was created through a partnership between the Folha and Globo groups, which are also responsible for publishing the newspapers Folha de S.Paulo and O Globo, respectively. The newspaper's first edition was published on May 2, 2000. In late 2012, Valor Econômico launched Valor PRO, a real-time information service that offers stock market quotes, exclusive analysis tools, and firsthand news to assist in your decision-making process. Technologies:
- Windows Server 2008 and 2012
- RedRat Linux
- Apache ActiveMQ
- SQL Server 2008, 2008R2 and 2012
- PowerShell
- Cisco 7500 series
- Cisco ASA
- NetApp Storage Activities:
- Deploy and maintain the ValorPro platform, executing and creating SQL Server scripts, analyzing system and log applications to troubleshoot problems.
- Report new issues to the dev team, creating new bugs and simulating some situations. - Knowledge transfer to a team monitoring the new version of the ValorPRO platform and the Services that had a severe upgrade or critical.
- Database performance monitoring, backup and data recovery, disk space management, and tuning queries. - System Maintenance, User Account Management, System Monitoring, and Performance Optimization, Backup and Disaster Recovery, Security Management, System Documentation, System Upgrades and Expansion
Valor Econômico Monitoring Analyst
Jan. 2010 - Dec. 2011São Paulo, BrasilAchieviments:
- Configured the monitoring of servers and services, consulting each person responsible for the server or service - By developing a form to be answered by email, containing the essential questions to identify what to monitor and adequate thresholds. Technologies: - CA Spectrum - Zenoss
- Red Hat Linux Activities: - Attended the creation of the monitoring department. - Performing proactive analysis of the services and infrastructure, identifying potential issues, and providing improvement recommendations. - Configured and added new servers and services in CA Spectrum. - Modeled monitoring views.
Valor Econômico Support Analyst
Oct. 2007 - Dec. 2009São Paulo, BrasilAchievements:
- Decreased by 100% the costs with asset inventory, remote control, asset tracking, and deployment of operating systems - By implementing System Center Configuration Manager that was included in the Microsoft Licence. - Decreased the costs and time for hardware and software assessment by 100% - By implementing System Center Configuration Manager, that way was possible to have the reports in just two clicks. - Saved unestimated costs with notebook location for journalists in your travels - By developing the checklist form for notebooks, preventing from lending a notebook with issues or lacking equipment to a journalist.
- Decreases by 100% the cost of distributing software on a large scale - By implementing a Software Distribution in Microsoft System Center Configuration Manager. Technologies:
- Windows
- Mac OS
- Good News 3
- System Center Configuration Manager 2007. Activities:
- Provided technical support to all users in the company. - Hardware maintenance. - Telephone and network cabling. - Software documentation and installation processes.
Valor EconômicoIntern
Sep. 2006 - Sep. 2007Achievements:
- Reduced system incompatibility tickets by 100% in workstations - By upgrading the stations from Windows NT 4.0 to Windows XP. Technologies:
- Windows
- Mac OS
- Good News 3
- System Center Configuration Manager 2007. Activities:
- Provided technical support to all users in the company. - Hardware maintenance. - Telephone and network cabling. - Software documentation and installation processes
Betech Informatica Ltda.Computer Hardware Technician
Mar. 2006 - Oct. 2006São PauloContext: Betech was a company specialized in computer sales and maintenance. Activities: - Solving system and Hardware problems. - Network cabling.
Universidade de São Paulo - CERTUSPIntern
Mar. 2005 - Dec. 2005São Paulo, BrasilAchievements: - Decreased the time to access information in standards rules by 70% - By developing an indexed database in access information of each rule in the most used norms in the office. Context: Certification Unit of the University of São Paulo - Provides testing and documentary analysis for obtaining the quality seal from the National Institute of Metrology, Quality, and Technology of Brazil. Tecnologies:
- Access - Html
- Excel
- VBScript Activities:
- Documental Analysis of electromedical products (Infusion Pumps, Defibrillators).
- Maintenance of the certification process control system.
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