André L.
Full-stack Product Engineer

Skills

.NET

Visual Basic

Vba

Pl/sql

Microsoft Sql Server

Oracle Database

Java

Python

C++

Mysql

André is available for hire

Hire André L.

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Bio

Consultant with extensive experience in the information technology sector, specializing in leadership and teamwork within IT environments. Expertise encompasses database administration with a focus on database tuning for both databases and applications, particularly Oracle databases, including RAC and Exadata. Demonstrates proficiency in analysis and development across multiple business areas, with skills in programming languages such as C/C++ and Visual Basic. Adept in ETL processes, business intelligence, data modeling, requirements gathering, project design, system development, quality assurance, and test automation.

Developer Analyst
12/2/2010 - 7/2/2011

Designed and developed a system for receiving and validating medical guides and billing in the TISS (XML) standard of ANS. Also designed and developed a system for validating configurable rules for internal systems. Gained technical expertise in XML and ANS standards, reinforcing a comprehensive understanding of medical billing processes.
Database Specialist
6/1/2021 - 4/1/2024

Executed support and development tasks with a focus on delivering high-quality technical solutions. Acquired advanced proficiency in JavaScript, Python, and SQL. Utilized frameworks such as Angular, React, and Django to develop and enhance web applications. Implemented RESTful APIs and ensured efficient data handling. Demonstrated expertise with database systems like MySQL and PostgreSQL. Practiced collaborative development using Git and GitHub, employing best practices in version control. Engaged in troubleshooting and debugging, consistently resolving high-priority issues. Employed Docker and Kubernetes for containerization and orchestration of applications. Gained experience in continuous integration and deployment pipelines (CI/CD) using Jenkins and Travis CI. Actively contributed to code reviews and maintained strong documentation for knowledge sharing and onboarding of new team members.
Technical Leader
5/1/2021 - 6/1/2021

Developed extensive technical expertise while leading a high-performing team. Demonstrated advanced proficiency in cloud architecture and services, including AWS, Azure, and Google Cloud Platform. Executed complex projects using containerization and orchestration tools like Docker and Kubernetes. Mastered CI/CD pipelines using Jenkins, GitLab CI, and CircleCI for seamless code deployment and integration. Built and optimized microservices architectures using Spring Boot and Express.js, ensuring scalability and maintainability. Employed robust backend technologies such as Java, Node.js, and Python to develop high-throughput applications.

Led the adoption of automated testing frameworks, including Selenium, JUnit, and Mocha, improving software reliability and reducing time to market. Extensive experience in database management systems including MySQL, PostgreSQL, and NoSQL databases such as MongoDB and Cassandra. Advocated for and implemented DevOps practices to streamline cross-departmental workflows and foster a culture of continuous improvement. Utilized monitoring tools such as Prometheus, Grafana, and ELK Stack to maintain system health and performance metrics. Fostered a collaborative development environment using tools like Jira, Confluence, and Slack, ensuring efficient communication and project tracking. Conducted regular code reviews and mentorship sessions to cultivate technical growth and uphold high coding standards among team members.
Technical Lead
3/2/2020 - 12/1/2020

Developed robust technical skills through extensive application of Java, Spring, and Hibernate frameworks. Achieved significant expertise in front-end technologies, working intensively with AngularJS, React, and HTML/CSS. Engineered scalable solutions using SQL and NoSQL databases, including MySQL and MongoDB. Integrated RESTful and SOAP web services to enhance interoperability across systems. Leveraged ETL processes to manage and transform data effectively. Demonstrated capability in improving application performance and optimizing code through various profiling and debugging tools. Utilized Jenkins for continuous integration and deployment, maintaining high standards in code quality with comprehensive unit testing using JUnit and Mockito. Played a pivotal role in agile project environments, facilitating seamless collaboration using JIRA and Confluence.
Systems Analyst
1/2/2019 - 12/2/2019

Developed proficiency in creating and maintaining BI load tasks for Big Data utilizing Hive. Excelled in QA analysis with a focus on ensuring data integrity and quality. Implemented complex data transformation and integration workflows, optimizing performance and efficiency. Demonstrated technical expertise in HiveQL, Hadoop, and other Big Data technologies. Maintained rigorous testing protocols to validate ETL processes, ensuring accuracy and reliability of data loads. Enhanced analytical skills through extensive troubleshooting and debugging of data-related issues, leveraging Hive's capabilities.
Developer
4/2/2018 - 1/2/2019

Gained substantial experience in maintaining and developing internal systems utilizing Visual Basic and C#. Demonstrated technical proficiency in managing databases through MySQL. Enhanced system functionality and performance through effective coding practices in Visual Basic and C#, ensuring seamless integration with MySQL databases to support business operations.
Systems Analyst
10/2/2016 - 11/2/2017

Gained expertise in maintaining ETL processes and Datamarts for Latin America using Oracle Database and Cognos. Handled maintenance and updates for the Sales Portal leveraging .Net and Oracle Database. Developed and created various reports utilizing QlikView, demonstrating strong data visualization and reporting skills.
Database Analyst
1/2/2015 - 9/2/2016

Maintained and controlled production databases, ensuring optimal performance and reliability. Specialized in query tuning and creating execution plans for queries on Oracle Exadata. Investigated and resolved incidents efficiently, applying necessary patches to maintain system integrity and performance. Developed expertise in database management and performance optimization within a high-stakes environment.
Systems Analyst
9/2/2014 - 12/2/2014

Spearheaded the maintenance of a Latin American ETL and Datamart using Oracle Database and Cognos, ensuring seamless data integration and reporting functionalities. Managed the Sellers' Portal efficiently by utilizing .Net and Oracle Database technologies. Demonstrated extensive technical expertise in Oracle Database management and proficiency in maintaining business intelligence tools like Cognos. Exhibited strong capabilities in .Net framework development, effectively overseeing portal maintenance and optimization.
Systems Analyst
8/2/2011 - 10/2/2013

Developed expertise in data extraction from business databases using Caché, ETL, and COS for diverse company areas. Managed and customized the Quick Test Pro tool, HP Quality Center 10, and HP Application Lifecycle Management 11. Provided support to the QA team and facilitated test automation, ensuring robust and efficient testing processes.
Developer Analyst
9/2/2010 - 11/2/2010

Served as an Analyst Developer and Oracle DBA with a primary focus on the Rector system. Developed proficiency in Oracle database administration, including performance tuning, backup and recovery, and security management. Demonstrated expertise in PL/SQL programming, enabling efficient data manipulation and complex query formulation. Utilized SQL Developer for database design and debugging, and employed RMAN for robust recovery scenarios. Gained experience in Unix/Linux shell scripting for automated administrative tasks. Employed data modeling techniques using tools like ER/Studio and TOAD for database analysis. Key accomplishments included optimizing database performance, ensuring high availability, and successfully migrating databases to new hardware environments. Developed strong analytical skills and a detailed understanding of system architecture, contributing to improved system performance and reliability.
Developer Analyst
7/2/2007 - 4/2/2010

Served as an analyst, developer, and Oracle DBA across diverse projects encompassing data migration, functional design, technical design, test scripting, entity-relationship diagrams (ERD), and supply chain management (SCM). Demonstrated expertise in the banking sector, working on projects in Brazil, the USA, and Europe, as well as in the telecommunications industry. Developed and maintained complex database systems, ensuring data integrity and optimizing performance. Proficient in using Oracle databases for extensive data migration tasks, designing and executing functional and technical specifications, and creating comprehensive test scripts. Employed ERD methodologies to model database schemas and utilized SCM tools to streamline and manage project workflows.