Isabel Sofía Álvarez Vargas

Isabel Sofía Álvarez Vargas Email and Phone Number

Strategy and Operations Sr. Analyst @ 99
São Paulo, SP, BR
Isabel Sofía Álvarez Vargas's Location
Greater São Paulo Area, Brazil
About Isabel Sofía Álvarez Vargas

Experienced data analytics professional with a robust background in operations within the tech sector, including ride-hailing, e-commerce and health. Proven ability to lead and manage complex projects, influence executive decisions, and provide data-driven insights. Proficient in SQL, Python, and data visualization tools. Fluent in English, Spanish, and Portuguese.

Isabel Sofía Álvarez Vargas's Current Company Details
99
Strategy and Operations Sr. Analyst
São Paulo, SP, BR
Website:
99app.com
Employees:
7774
Isabel Sofía Álvarez Vargas Work Experience Details
  • 99
    Strategy And Operations Sr. Analyst
    99
    São Paulo, Sp, Br
  • 99
    Strategy & Operations Sr. Analyst
    99 Oct 2024 - Present
    Sao Paulo, San Pablo, Brasil
  • Axenya
    Sr Data Analyst & Engineer
    Axenya Jul 2023 - Jun 2024
    São Paulo Y Alrededores
    - Implemented an inference model, based on health claims, that allows to segment patients depending on their level of health risk and tags them with the type of diseases they may have, so they can be placed in special care programs. - Merged data and structured analysis using SQL and Google Sheets, in order to measure the impact of different initiatives from the health team, so insights and results could be presented to clients.- Built and delivered over 15 dashboards in Tableau that help clients to manage health plan usage, prevent fraud, ensure proper usage, make relations between health and habits, and find ways to reduce costs.- Created data processing pipelines in Tableau Prep to clean and standardize over 3.5M health claims from more than 15 different health insurance companies.
  • Shopee
    Data Analytics Senior Associate For Cross Border Latam
    Shopee Nov 2022 - Jul 2023
    São Paulo Y Alrededores
    - Managed the transition of data analytics operations from Mexico, Chile, and Colombia to the newly created Latam Cross Border team in Brazil after Shopee’s local operations closure in Spanish speaking countries.- Guided the Operations team in strategic decision-making through data analysis and presented insights to senior leadership. Operations team included payments, logistics, customer service, returns & refunds, fraud, and listings.- Created ETLs using SQL and generated reports on Google Sheets or data visualizations on Looker as needed.- Developed an optimization model to reallocate logistics volume, reducing costs by at least 10% without impacting coverage or customer satisfaction.- Analyzed the impact of cancellations, returns, refunds, late deliveries, and customer service issues on customer retention.- Identified key pain points affecting gross-to-net transactions, including payment issues in offline channels, wrongly set fraud rules and frictions on logistics, that if solved could potentially improve gross to net by 15%
  • Shopee
    Customer Experience And Workforce Management Data Lead
    Shopee Apr 2022 - Nov 2022
    Bogotá, Distrito Capital, Colombia
    - Supervised a team of three responsible for workforce management, customer service real time analysis, and experience data analytics.- Implemented the Net Promoter Score (NPS) program, correlating data with key business metrics and managing related projects.- Defined efficiency and experience success metrics, and developed ETLs and dashboards for Shopee's chatbot launch in Spanish-speaking Latam.- Provided data for a new workforce planning model, saving over 15% of the annual budget.
  • Didi
    Customer Experience Global Business Insights And Value Generation Senior Analyst
    Didi Oct 2021 - Mar 2022
    Bogotá, Distrito Capital, Colombia
    - Performed cohort analysis for user retention.- Led an NPS methodology review to improve response rate statistical significance and insights quality.- Implemented text analytics software with external partners to gather insights from unstructured data.
  • Didi
    Customer Experience Global Business Insights Analyst
    Didi Jul 2020 - Oct 2021
    Bogotá, Distrito Capital, Colombia
    - Built ETLs and dashboards to report key customer experience indicators for Latin America.- Performed ad hoc analysis on complex datasets, including chatbot decision tree analysis.- Created a driver segmentation model in Python to enhance driver experience based on various metrics.
  • Didi
    Customer Experience Intern
    Didi Dec 2019 - Jun 2020
    Bogotá, Distrito Capital, Colombia
    - Improved driver document approval rates by over 30% by including automatic feedback messages with detailed instructions.- Conducted root cause analysis for contact rate changes and created weekly reports with suggested solutions.
  • Universidad De Los Andes - Colombia
    Teaching Assistant For Biomedical Systems Modeling And Simulation
    Universidad De Los Andes - Colombia Aug 2019 - Dec 2019
    Bogotá D.C., Colombia
  • Universidad De Los Andes - Colombia
    Teaching Assistant For Quantitative Physiology I And Ii
    Universidad De Los Andes - Colombia Jan 2018 - Dec 2018
    Bogotá D.C., Colombia

Isabel Sofía Álvarez Vargas Skills

Bases De Datos Matlab Microsoft Office Python Microsoft Excel Tableau Modelado Google Workspace Microsoft Power Bi Sql

Isabel Sofía Álvarez Vargas Education Details

Frequently Asked Questions about Isabel Sofía Álvarez Vargas

What company does Isabel Sofía Álvarez Vargas work for?

Isabel Sofía Álvarez Vargas works for 99

What is Isabel Sofía Álvarez Vargas's role at the current company?

Isabel Sofía Álvarez Vargas's current role is Strategy and Operations Sr. Analyst.

What schools did Isabel Sofía Álvarez Vargas attend?

Isabel Sofía Álvarez Vargas attended Universidad De Los Andes - Colombia.

What skills is Isabel Sofía Álvarez Vargas known for?

Isabel Sofía Álvarez Vargas has skills like Bases De Datos, Matlab, Microsoft Office, Python, Microsoft Excel, Tableau, Modelado, Google Workspace, Microsoft Power Bi, Sql.

Who are Isabel Sofía Álvarez Vargas's colleagues?

Isabel Sofía Álvarez Vargas's colleagues are Douglas Colares, Lucas França Alboitt, Douglas Burgos, Alisson Souza, Lucas Souza, Juliana G. Ribeiro, Thiago Luiz De Souza.

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