Wellynnson Venancio

Experience

• 

  SBA - Sistema Brasileiro do Agronegócio

  Apr 2010 - Apr 2011

  Developer
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  Cassems

  May 2011 - Nov 2012

  Software Engineer

  Financial System Migration**Responsibilities**:- Actively participated in the migration of the financial system.- Created integration structures via database or system-to-system.- Integrated the new Senior ERP software with existing systems.**Achievements**:- Successfully integrated systems developed in Java (JBOSS, JSF) and Smalltalk.- Developed scripts and procedures in IBM DB2 and Oracle databases.**Technologies Used**:- Java (JBOSS, JSF)- Smalltalk- IBM DB2- Oracle Show less

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  Cassems

  Apr 2014 - May 2015

  Contribution Management and Administrative Routines**Responsibilities**:- Developed an application for managing client contributions and administrative routines.- Controlled payroll receipts and managed partner agreement users.**Achievements**:- Discontinued the legacy application developed in Smalltalk.- Developed a new application in Java (JBOSS 7, JSF - PrimeFaces).**Technologies Used**:- Java (JBOSS 7, JSF - PrimeFaces)- Oracle- IBM DB2- MySQL Show less

  • Software Engineer

    Dec 2012 - May 2015

  • Software Engineer

    Apr 2014 - Aug 2014
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  Universidade Federal de Mato Grosso do Sul

  Aug 2014 - Dec 2014

  Assistant Professor
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  Cassems

  Jun 2017 - Apr 2020

  Client Control Module Migration**Responsibilities**:- Led the migration of the client control module from the legacy Smalltalk system to Benner AG.- Conducted a thorough analysis of necessary changes in proprietary systems for integration with the new tool.**Achievements**:- Successfully integrated systems using APIs and modified behaviors.- Implemented tools like Pentaho PDI for integrations.**Technologies Used**:- Smalltalk- Benner AG- Pentaho PDI Show less Web Application for Medical Procedure Authorization**Responsibilities**:- Developed a web application focused on microservices for medical procedure authorization.- Modernized the authorization process for procedures.**Achievements**:- Reduced in-person visits by 90%.- Migrated some microservices to Node.js (NestJS) and Spring Boot.- Modernized the application environment with Docker, GitLab, and CI/CD pipelines.**Technologies Used**:- Node.js (NestJS)- Docker- GitLab- Oracle- Java (Wildfly, JSF)- Spring Boot Show less

  • Software Engineer

    Jun 2015 - Apr 2020

  • Software Engineer

    Jun 2017 - Sept 2019
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  Cassems

  Jun 2020 - now

  Senior NodeJs Backend Engineer

  Cassems is a Brazilian healthcare provider offering comprehensive medical to public servants in Mato Grosso do Sul. It focuses on delivering high-quality, accessible healthcare solutions to its members..Over the past decade, I've been deeply involved in driving technological growth and innovation within the company. My journey has included developing new features, structuring applications, leading development teams, and even stepping into the role of Product Owner for certain teams, all of which have been integral to my professional development. Along the way, I've had the opportunity to create and maintain NodeJs applications with Vue.js, set up container environments and CI/CD pipelines, and architect applications that operate both on-premise and in the cloud.**Responsibilities**:- Maintained applications and updated tools.- Modernized applications and resolved issues.- Mentored internal and outsourced development teams.- Consulted on application architecture.**Achievements**:- Implemented DevOps and Cloud practices.- Modernized the development and operations environment.**Technologies Used**:- Java- Spring Boot- JSF- Wildfly- MinIO- Keycloak- Docker- Portainer- Azure Pipelines- Azure Cloud- Azure DevOps- Node.js- NestJS Show less