🚗 Computer Vision Solution
Developed a solution using Python and YOLOv3 for car detection from high perspectives.
João Lajoso
🚀 Welcome to my website!
Perhaps a different curriculum vitae with web3.0
📋 Professional Overview
A dynamic Data Engineer with expertise in ETL processes, cloud technologies, and business intelligence. My career spans multiple industries including retail, telecommunications, and fintech, with a proven track record in delivering data-driven solutions.
📜 Manifesto
I'm a Data Engineer Consultant at Celfocus for ALDI Sued, specializing in enhancing and maintaining ETL processes, leveraging expertise in Azure Data Factory and Databricks. My work focuses on delivering business-critical insights by developing and optimizing metrics that drive global business development initiatives for ALDI's headquarters.
🛣️ Career Journey
Entrepreneur
- PocketCV (04/2025 - Present): Co-founder of PocketCV, a remote strategy-focused initiative to lead app development for networking and events.
Data Engineering
- KPMG Portugal (05/2025 - Present): Driving the development and deployment of a profitability model in the banking sector using Microsoft Fabric. Collaborating cross-functionally with technical teams to deliver data-driven insights and strategic solutions within a dynamic and fast-paced environment.
- CELFOCUS (06/2023 - 05/2025):
- 7 months: Oversaw data management and optimized ETL processes for SIRO Ireland, focusing on telecommunications fiber installations and billing automation.
- 16 months: Led the development of scalable data extraction processes for the ALDI SUED project, handling ~450 variable tables with approximately 400M rows. Contributed to the transformation and evolution of data layers to support global reporting. Designed and implemented advanced alert systems to enhance ETL monitoring and ensure process integrity.
- Sonae MC - Sonae Group(01/06/2022 - 31/05/2023): Cloud migration and data validation for Cartão Continente
Product Development
- Universo IME - Sonae Group (09/01/2021 - 31/05/2022): Improving UX and customer journey of Portugal's leading Fintech App; research and development
- Bosch Aveiro - ThermoTechnology (10/12/2020 - 04/12/2021): Study and Proof of Concept endorsement for Automated Verification and Validation Architecture design
🎯 Technology Radar
Programming Languages
Professional Experience
- Java
- Python
- JavaScript
- SQL
- Apache Spark/PySpark
Academic Experience
- C/C++
- Assembly
- VHDL
Experience by Domain
| Domain | Duration | Technologies |
|---|---|---|
| Data Engineering | Azure DataBricks, Data Factory, Python, SQL | |
| Product Management | 9 months | JIRA, Agile, UX Design |
| Software Architecture | 6 months | Java, UML, Model C4 |
👩🏽🚀 Projects
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🦠 COVID-19 Population Tracker
Created a WebCrawler to monitor population density movements and correlate with health department reports during the pandemic.
🏆 Achievements
NOS HACKATHON IOT
Winner with a Plug&Play IoT medical device solution (04/15/2019)
Sports Achievements
Regional Junior Roller Hockey Championship: 2nd place (2010/2011/2012)
Roller Hockey "Inter-Regiões" Championship: 2nd place (2008/2009)
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