Andre Waleczki

Experience

• 

  Concentrix

  Dec 2016 - Aug 2017

  Internship

  I started my professional career at Grupo Services (Currently WebHelp) as an Operations Intern, being responsible for forwarding payment slips to Claro customers, as well as receiving and managing payment receipts, generating and sharing hourly operational results. time and the generation and cleaning of dialing strategies.

• 

  Concentrix

  Jan 2018 - Jun 2021

  As an Operations Analyst, I was responsible for managing a team of analysts who worked directly with the demands of Claro Brasil management, being also responsible for updating management and operational reports, monitoring and preparing the real-time analyzes requested from the team, and organizing and storing adequately monitor the data and results of active and receptive billing operations, but focusing mainly on optimizing reports and management and executive presentations with new functionalities and technological tools, such as Power BI, for example, which until then had never been used in the company and was implemented by me for the client in question. Show less

  • Operations analyst

    Feb 2020 - Jun 2021

  • Administrative Assistant

    Nov 2018 - Jan 2020

  • Operations Assistant

    Jan 2018 - Nov 2018
• 

  Tempo

  Jun 2021 - Mar 2022

  MIS Analyst

  At Tempo I was responsible for creating, optimizing and automating reports and operational and management processes in the Quality sector, developing and monitoring customer service metrics such as complaints, evaluations and NPS and sharing identified insights with the company's Stakeholders and area management. in directing customer service. All projects carried out involved creating and understanding data pipelines in MicroStrategy, creating SQL queries in PL-SQL and preparing reports in Excel, Power BI and also MicroStrategy. Show less

• 

  Mercado Livre

  Apr 2022 - May 2023

  LATAM Data Analyst

  At Kangu I was responsible for providing constant support for the needs of the Latin American teams in Mexico, Colombia and Chile, having the need to develop Spanish as a third language in order to communicate properly with the teams.Provided process improvement solutions, updating and restructuring the company's monthly results presentation, connection and integration with the Mercado Livre Cloud environment to obtain business data from Kangu, which is a group company, creation of structured reports that were used as a reference for the company's Brazil teams in creating a well-structured process of organization, management and data flow in the Cloud environment for managing the company's partner points in all countries where the group operates,Furthermore, I was responsible for improving a series of processes in other areas to obtain and simplify data visualization through Google BigQuery, Google Data Studio and the integration of Google Forms as a recording functionality for problem situations where the company's system did not support the needs of the business, ensuring the creation of an integrated base for the countries that was consumed in the company's management report called "One Page" which was also created by me together with my manager for the visibility of results by individual country and jointly in relation to all indicators and the budgets linked to each of them. Show less

• 

  Grupo Boticário

  Jul 2023 - Nov 2023

  Senior Data and Automation Analyst

  I worked on data projects with Grupo Boticário, analyzing requirements as a consultant, and developing projects according to reported business problems.I first carried out the execution of 6 projects in a period of 1 month with the Colombian team, where I had the need to speak Spanish with the teams to understand the business requirements, and communicate technical resolutions of the projects. They were related to the financial, logistics and risk management segments.After completing the Colombia projects, I began working with the Boticário International team in developing complete automation for the Sell Out segment, which was carried out over the course of 1 month.All projects basically consisted of preparing pre-existing processes and reports in Excel for Google's Cloud environment, where I had to apply my knowledge in reading and processing data with Python, integrating the tool with Google Drive, Cloud and BigQuery, storing of data in BigQuery due to the group's data query needs and directing teams to the Data Driven culture, visualizing their results in Google Data Studio and ensuring the safe import of data into BigQuery through DataPrep. Show less

• 

  Awdata Business Solutions

  Mar 2024 - now

  Fundador
• 

  SouSmile

  Mar 2024 - now

  Data engineer

  Main responsibilities:• Development and optimization of data ingestion, processing and storage processes, ensuring greater efficiency and reliability in operations.• Automation of reports and creation of data pipelines, reducing processing times and improving analysis performance using Python, SQL and RDS.• Implementation and management of messaging systems for automation and scalability of communication, using Twilio, Octadesk and DynamoDB.• ETL architecture and management for data integration between different sources, including Cloud and on-premise environments, with Apache Airflow.• Support in data migration to scalable solutions, ensuring the integrity and security of processed information.• Implementation and documentation of databases and BI tools with OpenMetaData.• Adjustment and improvement of SQL queries stored in Rakes or Ruby on Rails Methods.• Refactoring of company processes, databases and tables.Main technologies and tools: AWS, EC2, RDS, Python, PostgreSQL, Apache Airflow, DynamoDB, BigQuery, Looker Studio, Ruby on Rails, OpenMetaData, ElasticSearch Show less