Ivan Costa
Development
Rio de Janeiro, Brazil
Skills
Java
About
IVAN COSTA's skills align with Programmers (Information and Communication Technology). IVAN also has skills associated with System Developers and Analysts (Information and Communication Technology). IVAN COSTA has 16 years of work experience.
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Work Experience
SENIOR SOFTWARE ENGINEER (SE - III)
AVAYA
January 2023 - Present
- Current: Lead Visualization engineer for the company's next big analytics solution (Microsoft Power BI, MicroStrategy, Python, Azure functions, Cosmos DB). Past: Developed a real time socket emulator that provides support for testing groovy strategy scripts used by Avaya Business Rules Engine (Java spring boot, Mockito, Apache Kafka, RESTFul API, Jenkins and Docker). Technically led the decommission of a 7 years old analytics project, with zero non- conformities.
SENIOR ETL DEVELOPER
PSM COMPANY (FOR AVAYA)
November 2021 - December 2022
- Developed a call tagging solution with a complex integration between Verint WFO, Wf4E and POM (Nodejs and Springboot). Analytics lead developer for ETL solutions (Apache Kafka, Apache Spark, Postgres, Alteryx, SAS, etc.). Designed and developed the base infrastructure for a Customer Profile solution using Terraform on GCP.
IT SPECIALIST
OI S.A
December 2020 - November 2021
- As an agile team leader/architect, gather requirements, designs, implements, test and support Spring boot microservices on top of Redhat's Openshift for the company's most critical project at this time. Day-to-day activities required deep involvement in ceremonies/calls about features enhancements, new functionalities and a complex back-end systems integration.
TECH CONSULTANT
HEWLETT PACKARD ENTERPRISE
December 2012 - November 2020
- Supported and maintained Brazil's biggest antifraud and mobile blocking solutions (HPE CMS products) - knowledge of 3gpp, TMN model, SS7, etc. Managed incidents, problems and RFC's with the IT teams of Brazil's major telco carriers - ITIL compliant. Implemented customizable near real-time monitoring scripts which avoided SLA's breach. Reduced time to process daily fraud detection ETL's by 60%.
JAVA DEVELOPER
HEWLETT PACKARD ENTERPRISE
January 2012 - December 2012
- Refactored many modules on Embratel's Direct to Home sales management system migration to insource team (Oracle 10, Struts, EJB 2, Java 6, Tomcat). Created batch jobs that sent systems benchmarks and outage data to a dashboard for management (Embratel's Directors and VP's) visualization.
JAVA DEVELOPER
HEWLETT PACKARD ENTERPRISE
June 2011 - December 2011
- Implemented significant parts for a complex integration between Java and Mainframe versions of TV Globo's nationwide advertising management system using ADF, Java Messaging (JMS), Weblogic, Oracle 10 and Tuxedo. Designed java listeners that reduced database average load by 10%.
DEVELOPER
HEWLETT PACKARD ENTERPRISE
January 2011 - June 2011
- Implemented a backend for Embratel's Direct to Home (DTH) user management system.
PRODUCTION SUPPORT ANALYST
ELECTRONIC DATA
May 2008 - January 2011
- Worked on Verizon Business IXPlus Billing system as project's LEC Billing focal point.