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Sebastián Duque López

data analytics & data engineer
Skills
(Self-evaluation)
Languages
Ingles:
  • Habla
    91%
  • Lectura
    91%
  • Escritura
    91%
Español:
  • Escritura
    100%
  • Lectura
    100%
  • Habla
    100%
Professional profile

Dynamic and bilingual Senior BI Analyst with expertise in supply chain analytics , data pipelines , and reporting automation . Skilled in SQL , Python , Power BI , and cloud platforms . Strong focus on data quality , predictive analytics , and translating business needs into actionable insights

Work experience

Senior Data Analyst
lean tech / road ranger | January 2024 - Present (2 años 10 meses)
Used skills

Developed Power BI dashboards, geospatial maps, and automated reporting using Python. Partnered with supply chain leadership to optimize logistics and implemented data validation for quality KPIs.

Major achievement

Led development of supply, fueling, and replenishment reports for 50+ retail locations. Built end-to-end Snowflake, PostgreSQL, and SQL pipelines integrating Salesforce and fueling systems. Automated reports with Python, reducing manual workload by 30%.

Senior Data Analyst
lean tech / ashley furniture | January 2023 - January 2024 (1 año)
Used skills

Supported operational decision-making with dashboards and data models. Modeled large-scale datasets in Snowflake and PostgreSQL, and standardized reporting logic for reliability.

Major achievement

Designed and maintained logistics, warehouse, and route efficiency reports. Improved KPIs with data validation and anomaly detection in SQL & Python. Built predictive dashboards in Power BI.

Data Analyst
teleperformance | January 2021 - January 2022 (1 año)
Used skills

Proposed strategies to improve program efficiency and reporting accuracy. Supported strategic decisions with data-driven insights.

Major achievement

Analyzed application datasets to reduce costs and optimize workflows. Developed PostgreSQL and SQL-based data models and dashboards.

Education experience
Professional in Management
Pontificia universidad javeriana | Profesional
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