Junmar De Los Reyes

Data Visualization Analyst and BI Specialist with expertise in Power BI, data modelling, ETL, and DAX, delivering scalable analytics solutions and dashboards for enterprise clients.

Data Visualization Analyst / Power BI Consultant - TTEC Digital - Quezon City, Metro Manila

(2025-08)

• Deliver end-to-end Power BI dashboards and analytics solutions for enterprise clients, ensuring timely delivery and data accuracy through thorough QA practices.
• Translate client needs into technical specifications and analytical plans by partnering with stakeholders and cross-functional teams.
• Extract, clean, and transform complex datasets to build scalable data models and efficient reporting pipelines.
• Optimize DAX measures and underlying SQL to improve report performance and maintain alignment with evolving business rules.
• Lead client demos, training, and enablement to drive adoption and support successful onboarding.
• Execute cross-platform dashboard migrations (Power BI to Looker Studio), validating metrics and preserving report consistency across tools.

Business Intelligence Analyst - GoTeam - Cebu City, Cebu

(2022-04)

• Enhanced and updated existing complex Excel files spanning up to 40 pages across 25 offices, incorporating formulas, macros, and direct SharePoint connections via Power Query to streamline reporting.
• The data will then be loaded into the Projection Power BI dashboard.
• Updated and streamlined a complex Excel dashboard that took weeks to update, with formulas, macros, and direct connections to SharePoint files, resulting in a monthly task that now only takes 2-3 days to complete.
• Created a Performance Insights dashboard in Power BI.
• These insights were actual vs budget, historical actual data trend, KPI, revenue vs budget, and a dashboard for the number of employees, for stakeholders.
• Collaborated with HR to create a Recruiting Dashboard in Power BI from scratch, transforming data and automating the process for easy updating via SharePoint.
• Managed multiple urgent tasks from management, including updating and enhancing existing complex Excel files and dashboards, data extraction, and table transformation.

Business Intelligence Developer - Octal Philippines Inc - Quezon City, Metro Manila

(2021-09 - 2022-04)

• Developed reports and dashboards using Power BI, providing actionable insights for the business.
• Created the Ticket Monitoring Dashboard and Subscriber Movement Dashboard tracking approximately 14,000,000 subscribers, collaborating with colleagues to extract and clean data from SharePoint and databases.
• Utilized DBeaver to connect to the database, gaining experience in database management and SQL queries.
• Conducted testing and validation of reports and dashboards, ensuring data accuracy and consistency.
• Collaborated with cross-functional teams including IT, business analysts, and end-users to gather requirements and refine reports and dashboards.
• Demonstrated strong attention to detail and commitment to quality, resulting in highly accurate and reliable reports and dashboards.

Data Analyst - Channel Data Management - Lexmark Research and Development Corporation - Cebu City, Cebu

(2019-08 - 2021-09)

• Processed and validated around 400 channel data records weekly in CSV and Excel formats, ensuring high accuracy and completeness prior to SAP system uploads.
• Collaborate with cross-functional teams to identify and resolve data discrepancies and system issues in a timely manner.
• Maintain and develop Power BI reports improving the data visualization and analysis capabilities.
• Train colleagues on the use of Power BI and provide ongoing support to ensure accurate and effective data analysis.
• Update and create process documents and work instructions as part of the Documentation team, ensuring adherence to standard operating procedures.

Industrial Engineer - Linkworld Designs Unlimited Inc - Mandaue City, Cebu

(2016-06 - 2019-08)

• Created comprehensive work instructions for various departments, including Production, HR, Maintenance, Research and Development, and Security.
• Conducted regular audits to ensure adherence to established work instructions and processes.
• Developed and implemented quality control charts and analyses to monitor product quality and identify areas for improvement.
• Conducted regular on-site visits to subcontractor areas to evaluate and improve their processes.
• Collaborated with cross-functional teams to identify process improvements and increase operational efficiency.
• Presented regular reports and updates to senior management on production status, quality metrics, and process improvements.

Customer Service Representative - Teleperformance - Cebu City, Cebu

(2015-10 - 2016-03)

• Handled a high volume of customer calls and emails, consistently meeting performance metrics and achieving top performer status.
• Assisted customers with inquiries, complaints, and technical issues, providing timely and effective solutions.
• Demonstrated strong attention to detail and adherence to company policies and procedures.
• Collaborated with cross-functional teams to resolve complex customer issues and improve service delivery.
• Maintained accurate and up-to-date customer records in the company's database system.

Bachelor of Science - Industrial Engineering - Cebu Technological University - Main Campus (2015)