MAYUMI E. VALENZUELA
Senior Billing Specialist
San Pedro,LAG
Summary
To contribute to a stable and growth-oriented company where I can continue developing my skills and knowledge in the IT field. I aim to apply my education and technical expertise to support and improve business operations through innovative and efficient data solutions.
Overview
12
12
years of professional experience
14
14
years of post-secondary education
Work History
Senior Billing Expert
Globe Telecom, Inc.
03.2018 - Current
- Collaborate with cross-functional teams to identify issues and implement process automation solutions that improve efficiency and reduce manual tasks.
- Perform data mining and extraction from various data sources, including Oracle, MS SQL Server, MySQL, and other relational databases.
- Utilize Google Cloud Platform, primarily BigQuery.
- Design and develop interactive dashboards and visual reports using Tableau and Google Data Studio (Looker Studio) to support business intelligence and data-driven decisions.
- Cleaning, transforming, and modeling data to make it useful for analysis and reporting.
Admin Assistant
TAU Corporation
04.2017 - 03.2018
Admin Assistant
Powercity Corporation
07.2016 - 01.2017
- More on papwerworks.
- Occasionally doing some IT Staff/Support.
Secretary
Skeiron Air System Inc.
01.2014 - 05.2014
Education
Bachelor of Science - Information Technology
International Electronics and Technical Institute
San Pedro, Laguna 06.2014 - 06.2016
High School - undefined
San Pedro Relocation Center National High School
San Pedro, Laguna 06.2008 - 03.2014
Elementary School - undefined
Langgam Elementary School
San Pedro, Laguna 06.2002 - 03.2008
Skills
have experience building and maintaining ETL workflows to automate data pipelines and support data integration
I'm proficient in Python, SQL (advanced), Google Apps Script, and SAS for data processing, automation, and analysis
I’ve worked with Google Cloud Platform, mainly BigQuery, for handling large-scale data storage and analysis
I regularly use Looker Studio and Google Sheets to create reports and dashboards that support business decisions
Google Workspace tools
VBA Macro
SAS
Certification Statement
I hereby certify that the above information is true and correct to the best of my knowledge.
Timeline
Senior Billing Expert
Globe Telecom, Inc.
03.2018 - Current
Admin Assistant
TAU Corporation
04.2017 - 03.2018
Admin Assistant
Powercity Corporation
07.2016 - 01.2017
Bachelor of Science - Information Technology
International Electronics and Technical Institute
06.2014 - 06.2016
Secretary
Skeiron Air System Inc.
01.2014 - 05.2014
High School - undefined
San Pedro Relocation Center National High School
06.2008 - 03.2014
Elementary School - undefined
Langgam Elementary School
06.2002 - 03.2008