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Summary

Expertise

Project Highlights

Education

Agency

GJ

English:

Upper Intermediate

Guillermo J.

vetted by Youteam

Vetted by YouTeam

Argentina

UTC -03:00

America/Argentina/Buenos_Aires

English:

Upper Intermediate

Data professional covering all stages of the data lifecyle.

Data professional covering all stages of the data lifecyle, from data collection through wrangling to model construction and production of insights. 20+ years of experience in Retail and Oil & Gas. Well-acquainted with Big Data, Data Warehouses, Analytics and Wrangling. M.S. Data Science.

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Expertise

Years of commercial development experience

15 years of experience

Core technologies

Python 3 years
SQL 10 years
R 1 year
Azure 2 years
Docker 2 years
JIRA 2 years

Other technologies

Excel
Tableau

Project Highlights

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Project Manager

Pan American Energy SL

Sep `03 - Mar `21

Pan American Energy SL

8+ years of experience owning all stages of the project lifecycle from inception through monitoring and closing to deliver projects that exceeded expectations on time and on budget. Implementations: Implementations: Dynamics CRM; SAP O&G/Retail; ATIOnet (fleet card ) Managed teams as big as 30 people.

Responsibilities & achievements

8+ years of experience owning all stages of the project lifecycle from inception through monitoring and closing to deliver projects that exceeded expectations on time and on budget. Implementations: Implementations: Dynamics CRM; SAP O&G/Retail; ATIOnet (fleet card ) Managed teams as big as 30 people.

SQL
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Product Owner

Prisma Retail

Aug `21 - Present

3 years

Prisma Retail

Prisma is SAAS solution spcecialized in optimizing Retailers' execution Worked closely with Sales & Development to respond to market needs. Streamlined product development process; implemented Kanban. Implemented QA practice from scratch.

Responsibilities & achievements

Prisma is SAAS solution spcecialized in optimizing Retailers' execution Worked closely with Sales & Development to respond to market needs. Streamlined product development process; implemented Kanban. Implemented QA practice from scratch.

Python
SQL
Docker
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Data Engineer & Scientist

Pan American Energy SL

Jan `19 - Nov `21

3 years

Pan American Energy SL

Pan American Energy is the largest privately owned oil co. in Argentina. Main accomplishment is creation of Advanced Analytics Team and implementation of Data Lake - no data discipline existed before. Led Data Lake (DL) implementation strategy. Selected vendor and managed a team of 4 data scientists/engineers. Defined Data Model for DL (8 databases, 100's of tables). Standardized ETL process to ingest promotion data on Dynamics Mkt. Led implementation of 2 fraud detection models.

Responsibilities & achievements

Pan American Energy is the largest privately owned oil co. in Argentina. Main accomplishment is creation of Advanced Analytics Team and implementation of Data Lake - no data discipline existed before. Led Data Lake (DL) implementation strategy. Selected vendor and managed a team of 4 data scientists/engineers. Defined Data Model for DL (8 databases, 100's of tables). Standardized ETL process to ingest promotion data on Dynamics Mkt. Led implementation of 2 fraud detection models.

Python
SQL
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Business Intelligence Lead

Pan American Energy SL

Feb `12 - Dec `12

10 months

Pan American Energy SL

Delivered 3 critical BI solutions in less than a year. Constructed a DW from scratch; migrated 50+ M records from SAP.

Responsibilities & achievements

Delivered 3 critical BI solutions in less than a year. Constructed a DW from scratch; migrated 50+ M records from SAP.

SQL
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Senior Business Analyst

ExxonMobil

May `99 - Feb `11

12 years

ExxonMobil

Is one of the world's largest publicly traded oil & gas co's. Reported strategic KPIs for co. owned service station unit, $1B rev. Produced Budget and Variance Analysis for 2004-2011. Developed forecast models and ah-hoc analysis for Sr. Mgmt. Administered fuel retail prices for Argentina.

Responsibilities & achievements

Is one of the world's largest publicly traded oil & gas co's. Reported strategic KPIs for co. owned service station unit, $1B rev. Produced Budget and Variance Analysis for 2004-2011. Developed forecast models and ah-hoc analysis for Sr. Mgmt. Administered fuel retail prices for Argentina.

SQL

Education

Higher education in Computer Science

Agency

Web and Mobile Development agency #1967

50-100

GMT-3

Montevideo/Uruguay

Core Expertise

AngularJS
AWS
Azure
Cloud Engineer
Data Scientists
ETL
Java
JavaScript
Kotlin
Kubernetes
Linux
MongoDB
MySQL
.NET
Node.js
Oracle
PHP
Python
React.js
React Native
Salesforce
SAP
SharePoint
SQL Server
TypeScript
Visual Studio
Windows
Xamarin
Android
Jenkins
Scrum
Swift
Angular 2x
Android Testing API
Docker
Linux Systems Administration
MariaDB
JetBrains
Kanban
Redux
iOS SDK
Scrum Master
Visual Studio Code
Angular UI Bootstrap
Angular Material
Flutter
Angular CLI
Google Cloud Platform
.NET Core
Xamarin.Forms
Xamarin Native
Mongo Compass
Data Analyst
SAP HANA
SwiftUI
SAP BTP
SAP S4/HANA

Industries

Logistics & Transportation, E-Commerce & Retail, Banking & Finance, Construction & Real estate, Healthcare & Medicine, Automotive, Branding, design, web development, ERP

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Check if Guillermo is available