About Guilherme
English
Native or bilingual
Portuguese
Native or bilingual
Spanish
Fluent
French
Conversational
Experience
- FreelanceLead/ Senior Data &Analytics EngineerFebruary 2025 - Today (1 year and 5 months)• o Provide data engineering, leadership and architecture consulting for startups in AI, e-commerce, and Martech, designing scalable platforms and optimizing ETL/ELT pipelines.• o Advise on data strategy, governance, and scaling, ensuring compliance and efficiency.• o Selected projects:◦ o Rebuilt ingestion pipelines processing 10M+ data points/day, cutting costs by 40%, increasing processing speed by 70%, and improving data quality by 30%.◦ o Implemented an improving reporting accuracy by 25% and enabling a 360° business view sales to spend.
- bounce.com (Startup, Marketplace),Data LeadJanuary 2024 - January 2025 (1 year)Portugal• o Promoted a self-serve culture with Steep, Hex, and Google Sheets, achieving 80% adoption and reducing ad-hoc reporting requests by 60%.• o Implemented a Metrics Layer, standardizing business language, enhancing self-serve analytics and reducing decision turnaround time.• o Established solid Data Engineering and Warehousing best practices including CI/CD pipelines, data governance, and automated testing, improving reliability and efficiency. Reduced pipeline incidents by 30% and onboarding time by 50%, while decreasing attrition and time-to-delivery, enabling scaling with fewer hires..• o Collaborated on Data Science initiatives, including demand forecasting, user segmentation, pricing optimization, driving business growth by 15%.• o Led hiring and mentorship for Data Science, Analytics, and Engineering, fostering a strong data-driven culture.
- bounce.com (Startup, Marketplace),Lead Data EngineerSeptember 2023 - January 2024 (4 months)Portugal• o Rebuilt the MVP data platform into a production-grade system across ingestion, transformation, orchestration, presentation, and governance, improving core metric accuracy by 40%.• o Built a scalable, robust, and flexible Data Platform creating a unified business view and automating workflows.• o Developed web scrapers for competitor, advertising and SEO data, enhancing growth and marketing analytics.• o Improved trust in analytics across the organization, accelerating adoption of self-serve reporting.
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Education
- Postgraduate in DataNOVA IMS2021Postgraduate in Data