Diana Alejandra Quiñones Villalobos
Data Analyst
Medellín, Medellin, Antioquia, Colombia
8+ Years Exp
Summary
Diana is an accomplished Data Analyst with a wealth of experience in shaping organizational strategies and optimizing processes through data-driven insights. She has played a pivotal role in defining and executing the company's payment strategy, leading a successful migration to microservices and substantially reducing product-related issues. Diana is proficient in tools like Tableau, Pentaho, and AWS, Microsoft Excel, Data Aggregation, Data Analytics, Data Center Virtualization, Data Design, Data Segmentation, Data Validation, tableau server administration, Data Cleaning, Snowflake, and Python, with her expertise extending to agile team management, strategic visioning, and cross-functional collaboration. She has utilized SQL and visualization tools to query diverse data sources, automated reporting processes, and provided crucial insights for decision-making. Her achievements include being recognized as the best analyst of the year, leading successful cloud migrations, establishing data governance, and implementing innovative BI models.
Technical Skills
Detailed View
Other Skills
Work Experience
Data Analyst
La Haus
Full Time | 02/12/2020 - 11/10/2023
MEDELLIN
Data Analyst
- Utilized SQL to query diverse data sources and employed visualization tools to create reports, ensuring data integrity and trustworthiness for constructing corporate KPIs.
- Identified key insights for company products through data analysis, contributing to informed decision-making.
- Automated reports, data extraction, and alerts to facilitate timely responses to changes impacting decision-making.
- Defined data alerts to detect outliers affecting product performance, enhancing proactive issue identification.
- Developed reports using spreadsheets and automated functions, streamlining data analysis processes.
- Generated data analysis to support decision-making, identifying patterns, links, and trends on a large scale.
- Implemented the first quality indicator for sales closures, enhancing the overall assessment of sales performance.
- Recognized as the best analyst of the year by La Haus's CTO, highlighting outstanding contributions and expertise.
- Corrected data sources from social media campaigns, improving the accuracy and reliability of campaign-related data.
- Enhanced product adoption through opportunity detection and health indicator measurement, contributing to increased user engagement.
- Created dashboards with key performance indicators (KPIs), providing stakeholders with valuable insights at a glance.
- Established the company's first data mart, creating a centralized repository for organized and accessible data storage.
Product Manager
- Led the definition of the company's payment strategy and processes, ensuring alignment with organizational objectives.
- Provided comprehensive support for internal and external users, fostering a seamless experience with the product and associated processes.
- Facilitated integration between the product and internal departments, effectively reducing information silos and enhancing cross-functional collaboration.
- Defined and monitored key product indicators and objectives, contributing to strategic decision-making processes.
- Managed an agile team, promoting efficient collaboration and ensuring the successful execution of tasks and projects.
- Optimized the payment system by migrating its infrastructure to microservices, resulting in increased sales scalability and broader coverage to serve a larger customer base.
- Shaped the strategic vision of the product, positioning it as the company's primary checkout, and outlined the mission, vision, and objectives for the product and team.
- Oversaw integrations with third parties, ensuring seamless connectivity and interoperability.
- Engaged in decision-making processes to drive product development and business initiatives.
- Defined user stories using agile methodologies, facilitating a structured and iterative approach to product development.
- Elevated the team's performance by monitoring key indicators, including the number of PQRS (Product Quality, Reliability, and Support) issues.
- Achieved a significant reduction in product-related issues from 71% to 1.2% of total transactions within the first 6 months. This was accomplished by prioritizing resolutions based on analysis of the most frequent cases, effort, and impact in the team's technical backlog.
- Collaborated cross-functionally with sales, marketing, and support teams to successfully launch products on time and within budget.
- Consulted with buyers to assess projected demand for products and services, contributing valuable insights to strategic planning efforts.
BI Analyst
FGA FONDO DE GARANTIAS
Full Time | 02/10/2019 - 01/12/2020
Medellín, Medellin, Antioquia, Colombia
- Generated reports and visualized data using Tableau, providing comprehensive insights for informed decision-making.
- Conducted data extraction ETLs using Pentaho, ensuring efficient and accurate data processing.
- Managed the Tableau server and its services, optimizing performance and accessibility for users.
- Trained teams in Tableau and SQL at various operational levels, enhancing overall data literacy within the organization.
- Automated 100% of the company's reporting processes, improving efficiency and reducing manual efforts.
- Led the migration of on-premises services to the cloud (AWS), resulting in a 60% reduction in infrastructure costs within the first year.
- Updated sources feeding the organization's first predictive model, achieving a 90% accuracy rate and enhancing predictive capabilities.
- Established the foundation for the company's data governance, ensuring data integrity, security, and compliance.
Tableau Developer
TATA - TCS
Full Time | 01/02/2019 - 01/10/2019
Medellín, Medellin, Antioquia, Colombia
- Created comprehensive reports and visualizations using Tableau, facilitating data-driven decision-making.
- Led the migration of Tigo Millicom's dashboards from QlikView, Qlik Sense, MigraStrategy, and Excel to Tableau.
- Formulated and established data requirements, ensuring accurate and relevant insights for the organization.
- Functioned as the sole Tableau developer on the project, delivering high-quality solutions within the contracted time frame.
- Successfully migrated complex reports from the sales direction and customer retention, enhancing data accessibility.
- Played a key role in stabilizing the visualization project, ensuring smooth and reliable performance.
- Demonstrated effective task and deadline management, ensuring timely completion of project milestones.
- Controlled and monitored information, maintaining data accuracy and integrity throughout the migration process.
- Coordinated and planned meetings to align project goals and foster effective communication within the team.
BI Consultant
Solex Colombia
Full Time | 15/10/2016 - 31/01/2019
Medellín, Medellin, Antioquia, Colombia
- Provided pre-sales support for BI projects by conducting demos and delivering excellent client service.
- Developed efficient data extractions and preparations for visualizations in Tableau Prep.
- Managed and serviced corporate clients, ensuring their needs were met effectively.
- Earned a promotion to a strategic level, handling the company's most important clients and traveling to different cities in the country.
- Successfully delivered projects with 0% claims for warranties related to the delivered projects, showcasing reliability and quality.
- Played a key role in the migration project of Tigo's BI to a data-driven governance methodology, involving an investment of around 1 million USD.
- Directed the implementation of new business intelligence tools, including selecting appropriate solutions and aiding in corresponding onboarding processes.
Systems Analyst
Confiar Cooperativa
Full Time | 14/10/2015 - 15/10/2016
Medellín, Medellin, Antioquia, Colombia
- Presented company reports, ensuring effective communication of key insights to stakeholders.
- Developed queries for data manipulation, enhancing the efficiency of data processing and analysis.
- Conducted training sessions for end users to ensure proper utilization of BI tools and reports.
- Aligned expectations with the business on requested data projects, facilitating clear communication and understanding.
- Optimized the company's reporting process, streamlining workflows and improving overall efficiency.
- Pioneered the development of the first BI model for the cooperative, bringing data-driven insights to the organization.
- Wrote system specifications, corresponding technical documentation, and prepared technical reports for reference.
- Prepared comprehensive system user manuals to facilitate understanding and usage across the organization.
Education
Diploma in Business Intelligence and Big Data
University of Medellin
Computer Systems Administrator, Bachelor's degree
National University of Colombia
Major in Computer Systems Management
Certifications

Tableau Desktop 10 Qualified Associate
Tableau | Issued On : {getDate(e?.issued_date)}

Big Data Scientist Certification
Arcitura

Scrum Professional
Platzi

Agile team management
Platzi

Mastering Product Management
Reforge