Summary

Expertise

Project Highlights

Education

Agency

MJ

English:

Advanced

Mario J.

vetted by Youteam

Vetted by YouTeam

Guatemala

UTC -06:00

America/Guatemala

English:

Advanced

I'd describe myself as someone who is reliable and able to undertake complex situations with unique solutions, with over 6 years of experience in Data

Over the past 3 years I have gained ample experience in the field of Airflow and Data Warehouse. And have been responsible for Data Lake Support and creating new ETL/ELT processes within AWS. My previous work includes over 4 years in the field as Application Architect and Data Engineer / Data Analyst with the creation and support of ETL/ELT pipelines via Airflow and other ETL tools like Xplenty, Sisense and custom server scripts, all within AWS infrastructure. As a Data Analyst I have learned to create dashboards and widgets in Sisense, QuickSight, PowerBI, and Tableau. As well as Data Architecture with Sisense and Redshift. I would describe myself as someone who is reliable and able to undertake complex situations with unique solutions, with over 6 years of experience in the Data sector, as well as over 15+ years of SQL experience, and 20+ as Developer.

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Expertise

Years of commercial development experience

7 years of experience

Core technologies

Python 6 years
AWS 7 years
Docker 4 years

Project Highlights

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Senior Data Engineer

I&P; CTO, Senior Application Architect, and Data Engineer

Oct `22 - Sep `23

11 months

QAssertify

QAssertify specializes in QA but has a few other clients with other roles, I am in 2 different projects, one as a CTO, Senior Application Architect and Data Engineer, and the other project as a QA Automation Engineer.

Responsibilities & achievements

Main tasks executed in the project: − Responsible for control and creation of Slack migration, Office 365 users and groups, 1Password implementation, Git Implementation, Jira / Planner implementation, QuickSight Implementation. − Responsible for creating ETL processes for the 13 different clients. − Creating and maintaining new AWS organizations. − Helped front-end and back-end developers with Git implementation and servers as well as servers and services for the Data Scientist team. I helped migrate from email to slack, as well as 1Password as a cybersecurity measure, as well as QuickSight implementation to help boost their BI team, as well as better security standards for their servers and services

AWS
PostgreSQL
Python
SQL
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Senior Data Engineer

SCOTTS MIRACLE-GRO

Oct `20 - Oct `22

2 years

SCOTTS MIRACLE-GRO

On this position I created new ETL processes for extracting data from different APIs like Shopify, iAuditor, Migration from MSSQL to Redshift, also giving support to other team members with data lake access.

Responsibilities & achievements

Main tasks executed in the project: − Creation of new data pipelines for Airflow − Maintaining and expanding current pipelines − Permissions access to the data lake to other team members − Main git support to other team members − AWS support on S3, Docker, Glue, Athena, EMR, Lake Formation, Redshift I helped achieve some optimizations within the airflow operators that the Lead Dev said were not possible, I also suggested moving from Athena to Redshift which boosted the performance on queries.

AWS
Kubernetes
Python
SQL
Git
Docker
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Data Scientist

IMPROVEMENT & PROGRESS

Mar `07 - Oct `17

11 years

Project: Toledo (2016 – 2017) o Solution and co-developed packaging planning in R. o The Software minimizes slack and sorts packaging requirements for all Central America. Increased production 1.4M pounds over a year. Project: Banco Agromercantil, BAM (2014 – 2017) o Developed cash transportation requirements in VB.net with R integration and SQL. o Minimizes movements between all branches and reduces transportation costs by over 50% over 2 years. Project: Toledo (2016 – 2017) o Solution and co-developed packaging planning in R. o The Software minimizes slack and sorts packaging requirements for all Central America. Increased production 1.4M pounds over a year. Project: Banco G&T Continental (2012 – 2017) o Solution and developed cash transportation requirements in VB.net with R integration. o Minimizes movements between all branches and reduces transportation costs by over 70% over 4 years. Project: TAV, S.A. (2015 – 2017) o Solution and developed ATMs requirements in VB.net. o Plans route and requirements for supplying over 600 ATMs reducing the cash outs by over 95% in 3 months. Project: 5B, Transacciones y Transferencias, S.A. (2009 – 2014) o Solution and developed planning and ATMs requirements in VB. o The Software controlled over 2500 ATMs with forecast and helped increase the uptime from 95% to 99.5% over the span of 6 months. Project: Farmacias Meykos (2013 – 2017) o Solution and developed inventories and purchase strategies of more than 100 stores and 45,000 SKUs in VB with SQL. o Also developed a DLL in VB.net for use in an SQL environment. o The Software reduced overall inventory and the sales of best sellers. Project: Ingenio Pantaleón (2007 – 2009) o Developed inventory planning in VB.net with SQL. o The Software minimizes inventory and helps with the Purchasing Order. Project: Canella, S.A. (2015 – 2017) o Developed inventory planning in VB.net. o The Software minimizes inventory and helps with the Purchasing Order. Project: Grupo Emisoras Unidas (2009 – 2014) o Developed radio spots on ASP and Flex. o The Software was developed to control the increased sales of radio spots and to centralize operations.

Responsibilities & achievements

o Solution and developed cash transportation requirements in VB.net with R integration. o Minimizes movements between all branches and reduces transportation costs by over 70% over 4 years.

Python
SQL
VB.NET

Education

Higher education in Computer Science

Agency

agency #3217

100-400

GMT-4

Lima, Peru

Core Expertise

AngularJS
Java
JavaScript
Kotlin
.NET
Node.js
PHP
Swift
Data Analyst

Industries

Logistics & Transportation, E-Commerce & Retail, Banking & Finance

Want to hire this engineer?

Check if Mario is available