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Hi, I'm Igor Oliveira, a Data Analyst and Power BI Developer dedicated to turning complex datasets into clear, actionable insights that guide strategic decisions. I enjoy building end-to-end data solutions that empower finance and product teams to make data-driven choices. I have strong expertise in Power BI, Power Query M, Python, and Google Cloud Platform, and I’ve designed automated ETL pipelines, scalable dashboards, and data infrastructures from the ground up. I also served as a Technical Reviewer for 'Learning Power Query' to ensure technical accuracy, and I’m EF SET C2 Proficient in English.…Hi, I'm Igor Oliveira, a Data Analyst and Power BI Developer dedicated to turning complex datasets into clear, actionable insights that guide strategic decisions. I enjoy building end-to-end data solutions that empower finance and product teams to make data-driven choices. I have strong expertise in Power BI, Power Query M, Python, and Google Cloud Platform, and I’ve designed automated ETL pipelines, scalable dashboards, and data infrastructures from the ground up. I also served as a Technical Reviewer for 'Learning Power Query' to ensure technical accuracy, and I’m EF SET C2 Proficient in English.

Igor Oliveira

Data Analyst, Data Scientist, Programmer, +2

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Hi, I'm Igor Oliveira, a Data Analyst and Power BI Developer dedicated to turning complex datasets into clear, actionable insights that guide strategic decisions. I enjoy building end-to-end data solutions that empower finance and product teams to make data-driven choices. I have strong expertise in Power BI, Power Query M, Python, and Google Cloud Platform, and I’ve designed automated ETL pipelines, scalable dashboards, and data infrastructures from the ground up. I also served as a Technical Reviewer for 'Learning Power Query' to ensure technical accuracy, and I’m EF SET C2 Proficient in English.…Hi, I'm Igor Oliveira, a Data Analyst and Power BI Developer dedicated to turning complex datasets into clear, actionable insights that guide strategic decisions. I enjoy building end-to-end data solutions that empower finance and product teams to make data-driven choices. I have strong expertise in Power BI, Power Query M, Python, and Google Cloud Platform, and I’ve designed automated ETL pipelines, scalable dashboards, and data infrastructures from the ground up. I also served as a Technical Reviewer for 'Learning Power Query' to ensure technical accuracy, and I’m EF SET C2 Proficient in English.

Available to hire

Hi, I’m Igor Oliveira, a Data Analyst and Power BI Developer dedicated to turning complex datasets into clear, actionable insights that guide strategic decisions. I enjoy building end-to-end data solutions that empower finance and product teams to make data-driven choices. I have strong expertise in Power BI, Power Query M, Python, and Google Cloud Platform, and I’ve designed automated ETL pipelines, scalable dashboards, and data infrastructures from the ground up. I also served as a Technical Reviewer for ‘Learning Power Query’ to ensure technical accuracy, and I’m EF SET C2 Proficient in English.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Data Analyst / Power BI Developer at inChurch

August 1, 2023 - November 4, 2025

Built and deployed data infrastructure on Google Cloud Platform (GCP) with a PostgreSQL data store and automated API ingestion pipelines in Python (Google App Engine) to create a single source of truth. Led migration of Power BI dashboards to Google BigQuery and always-on data sources, enabling near real-time analytics and improved scalability (80%+ performance gains). Designed dashboards to identify active users not billed, enabling targeted remediation and revenue recapture. Developed an engagement dashboard for Customer Success to proactively retain at-risk accounts. Automated repetitive workflows with Python scripts, saving 20+ hours per week and improving data quality. Built internal tools with Python & Streamlit for vacation scheduling and asset management.

Business and Services Manager at Santander Brasil

June 1, 2022 - June 1, 2022

Managed client portfolio and branch operations; identified customer needs and recommended products to improve profitability and service levels. Collaborated with operations and compliance to ensure a consistent client experience.

Independent Investment Agent at InvestSmartXP

June 1, 2021 - June 1, 2021

Advised clients on investment strategies and translated complex market concepts into clear guidance. Prospected and onboarded new clients, building long-term relationships through effective communication.