Ville Brofeldt
Staff Software Engineer at Apple
Palo Alto, California, United States
Summary
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Rockstar🎓
Top School
Top expert inData Engineering and Analytics Technologies
Ville Brofeldt is a Staff Software Engineer with eight years of hands-on experience building scalable data platforms and visualization tooling, currently driving an internal analytics service at Apple and operating its Kubernetes Operator and OAuth/OIDC integrations. He combines backend systems work in Go and Python with front-end visualization contributions, holding committer roles in high-profile Apache projects like Superset and ECharts where he’s improved charting, query performance, and security features (e.g., SSL client certs for pydruid). Previously he helped turn Apache Superset into a SaaS product at Preset and has a strong quantitative background from years in credit risk, modeling, and data engineering. Known for promoting open source inside large organizations, he blends production reliability, developer ergonomics, and data-centric UX improvements. An engineer comfortable across the stack, he brings uncommon domain fluency in finance and analytics to platform and visualization challenges.
8 years of coding experience
16 years of employment as a software developer
M.Sc. Finance Computer Science Statistics, M.Sc. Finance Computer Science Statistics at Hanken School of EconomicsInformation Technology, Information Technology at The University of Manchester Institute of Science and Technology (U
Swedish, Finnish, English
Github Skills (39)
data-visualizations10
javascript10
visualization10
ssl10
tls1210
python10
apidoc10
back-end-development10
canvas10
charts10
typescript10
data-visualisation10
ui-design10
chartjs10
tls1310
Programming languages (4)
Github contributions (5)
apache/superset
Feb 2018 - Jan 2023
Apache Superset is a Data Visualization and Data Exploration Platform
Role in this project:
Back-end Developer
Back-end DeveloperContributions:18 releases, 3469 reviews, 949 commits in 4 years 11 months
Contributions summary:Ville's commits primarily involve implementing features and fixing bugs related to the backend components of the Apache Superset project. The user made changes to control groups in the frontend form data, implemented a force-refresh mechanism in chart data requests and added new functionalities to the API for chart data, including support for various results types and data formats. These changes also involved updates to the core query logic and processing, improving the performance and functionality of the data visualization platform.
pythonapache-supersetflaskbusiness-analyticsbusiness-intelligence
apache-superset/superset-ui
Aug 2019 - Dec 2021
Apache Superset UI packages
Role in this project:Front-end Developer
Front-end DeveloperContributions:464 reviews, 177 commits, 349 PRs in 2 years 3 months
Contributions summary:Ville primarily contributed to the UI packages for Apache Superset, specifically focusing on the implementation and enhancement of charting features and their related components. Their work included adding a duration formatter to the number format package, removing a redundant target from the Sankey tooltip, making filter operators uppercase, and improving visualization elements like the tooltip and animation. They also added the new chart features, and improved the appearance and functionality of visualization components.
monorepoapache-supersetapachedata-visualizationsuperset
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