Gonzalo Peña-castellanos
Senior Software Engineer Open Source AI at Trepa: La Casa De La Escalada
Bogota, Colombia
Summary
🤩
Rockstar🎓
Top SchoolGonzalo Peña-castellanos is a senior AI and full-stack engineer with 12 years building production-grade tooling for the Scientific Python and Jupyter ecosystems, including core contributions to Spyder, JupyterLab, conda and napari used by millions of researchers. He blends deep open-source experience (notably work on conda/conda, conda-forge tools and Jupyter nbformat) with practical AI engineering—shipping VSCode and Electron integrations, Python/TypeScript SDKs, and MCP/Playwright-based automation at Datalayer and Backblaze. His background in civil and water-resources engineering informs a pragmatic approach to complex systems: he began modeling flood risks and evolved into designing resilient developer platforms. As a founder running a climbing gym in Bogotá, he built an AI-powered customer workflow in production, forcing him to own full-stack product delivery end-to-end. He writes about AI engineering workflows that scale beyond prototypes and routinely uses Claude, CopilotKit and Pydantic AI to accelerate trustworthy delivery.
12 years of coding experience
17 years of employment as a software developer
MSc, Hydroinformatics and Water Management, MSc, Hydroinformatics and Water Management at Université Côte d'AzurAssociate AI Engineer for Developers, Associate AI Engineer for Developers at DataCampMSc, Hydroinformatics and Water Management, MSc, Hydroinformatics and Water Management at Newcastle UniversityNot finished - PhD, Water Resources, Not finished - PhD, Water Resources at IHE Delft Institute for Water EducationBsc, Civil Engineering, Bsc, Civil Engineering at Universidad Industrial de SantanderMSc, Hydroinformatics and Water Management, MSc, Hydroinformatics and Water Management at Brandenburgische Technische Universität Cottbus-Senftenberg
Spanish, English, French, Portuguese
Github Skills (77)
qsys10
python10
json-schema10
package-management10
testing10
pyside10
refactor10
javas10
ci-cd-pipeline10
build-automation10
transpiler10
qs10
refactoring10
web-development10
visualizations10
Programming languages (16)
Github contributions (5)
conda-forge/staged-recipes
Jun 2016 - Dec 2022
A place to submit conda recipes before they become fully fledged conda-forge feedstocks
Role in this project:
DevOps Engineer
DevOps EngineerContributions:148 reviews, 889 commits, 910 PRs in 6 years 6 months
Contributions summary:Gonzalo's commits primarily involve merging branches into the main branch and modifying files related to continuous integration and continuous delivery (CI/CD) pipelines. The changes affect scripts for building, running, and testing recipes, as well as configuration files related to the build process. Furthermore, the user updates files associated with managing the project's CI/CD infrastructure, indicating a focus on build automation and deployment workflows. The user also includes updates to dependencies for the build process
placeconda-forgerecipescondasubmit
anaconda/anaconda-client
Feb 2016 - Aug 2018
Anaconda Server Client
Role in this project:Back-end Developer
Back-end DeveloperContributions:87 commits, 47 PRs, 54 pushes in 2 years 7 months
Contributions summary:Gonzalo primarily focused on enhancing the `anaconda-client` library by incorporating new features and addressing existing issues. They added optional arguments to the packages API, implemented automatic upload functionality, and updated the code to accommodate new conda build specifications. Moreover, the user addressed bugs and performed code reformatting, including fixing type-related errors.
javaanacondaclient-server
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