Leonardo Coelho
Senior Crypto API Engineer at Analytic Partners
São João da Madeira, Portugal
Summary
🤩
Rockstar🎓
Top SchoolLeonardo Coelho is a Senior Crypto API Engineer and solutions architect with a decade of experience building data-intensive systems, developer experiences, and production-grade APIs across fintech, healthcare, and marketing analytics. Based in Portugal, he currently designs white-label digital-asset platforms at Uphold and previously architected scalable ETL and knowledge-sharing platforms at Analytic Partners. He has deep hands-on expertise in Java-based data stacks—contributing bug fixes and correctness improvements to well-known open-source projects like Pentaho Mondrian and Kettle—and has automated delivery processes to cut multi-day workflows to minutes. A pragmatic mentor and builder, he created a mentorship program at Viz.ai and has practical Kubernetes, CI/CD, and microservices experience from enterprise projects at Hitachi Vantara. Colleagues know him for blending architectural thinking with low-level correctness (e.g., SQL/timestamp and BigNumber handling) to make complex data platforms reliable and auditable.
10 years of coding experience
9 years of employment as a software developer
Master Degree in Computer and Telecommunications Engineering Engenharia de Software, Master Degree in Computer and Telecommunications Engineering Engenharia de Software at Universidade de Aveiro
Portuguese, English
Stackoverflow
175reputation
14kreached
1answer
15questions
Github Skills (26)
debug10
databases10
java10
olap10
etl10
javas10
mdx10
xml10
data-integration10
database10
big-data9
sql9
file-handling9
git-repository8
security8
Programming languages (4)
Github contributions (5)
pentaho/pentaho-kettle
Aug 2018 - Feb 2020
Pentaho Data Integration ( ETL ) a.k.a Kettle
Role in this project:
Data Engineer
Data EngineerContributions:160 commits, 197 PRs, 42 pushes in 1 year 6 months
Contributions summary:Leonardo primarily focused on bug fixes and enhancements within the Pentaho Data Integration (ETL) project, often dealing with data type conversions, particularly for BigNumber fields. Their work involved resolving issues related to data validation, variable replacement, and database connection pool configurations. Additionally, the user contributed to fixes in the XML-related components of the system, showcasing expertise in data integration workflows.
pentaho-data-integrationetldata-integrationkettlepentaho
pentaho/pentaho-platform
Oct 2018 - Jan 2020
Pentaho BA Server Core
Role in this project:Back-end Developer
Back-end DeveloperContributions:42 commits, 51 PRs, 9 pushes in 1 year 2 months
Contributions summary:Leonardo primarily contributed to the backend of the Pentaho platform by addressing code correctness issues and implementing bug fixes across various Java classes. They made changes to file handling, XML processing, and import functionalities. The user also worked on security improvements related to administrative access and access to static files, and addressed localization issues for CDE dashboards.
server-corepentaho
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.