Dragoș Moldovan-grünfeld
Data Science Leader
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolDragoș Moldovan-grünfeld is a Data Science Leader based in London with over a decade of hands-on experience applying advanced analytics and R engineering to commercial, regulatory and life-science challenges. He combines team leadership and mentoring—certified as an RStudio Trainer—with deep open-source contributions, notably enhancing the R bindings for the high-performance Apache Arrow project to improve date/time parsing and timezone handling. His background spans industry and government, from building production ML pipelines and packaged Shiny apps to improving national statistical workflows and geospatial clustering for UK industrial strategy. Pragmatic and curious, he blends rigorous academic training in environmental sciences and policy with a rare mix of regulatory insight and production-grade software craftsmanship.
10 years of coding experience
11 years of employment as a software developer
Summer School Climate Change, Summer School Climate Change at Central European UniversityMSc Environmental Sciences and Policy, MSc Environmental Sciences and Policy at The University of ManchesterBA Sociology, BA Sociology at Babes-Bolyai University
English, Romanian
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (7)
zone10
date-parsing10
datetime10
timezone10
datetime-parsing10
data-processing10
r10
Programming languages (8)
Github contributions (5)
apache/arrow
Oct 2021 - Aug 2022
Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics
Role in this project:
Back-end Developer
Back-end DeveloperContributions:587 reviews, 60 commits, 63 PRs in 10 months
Contributions summary:This user, Dragos Moldovan-Grünfeld, primarily contributed to the R bindings of the Apache Arrow project, focusing on enhancing its data processing capabilities. Their work included implementing new bindings for various functions in the `lubridate` package for date and time manipulation, such as `tz()`, `semester()`, `dst()`, and parsers like `ymd()`. Additionally, they addressed issues related to time zone handling and improved the error messages for incorrect function arguments. Further contributions included the implementation of `difftime` and `parse_date_time` functionality and enhancements to the internal functions.
memorymulti-languagetoolboxacceleratedarrow
dragosmg/fars
Sep 2018 - Sep 2021
A small package used to access FARS data. FARS doesn't mean Federation of Artistic Roller Skating.
Contributions:2 PRs, 38 pushes, 3 branches in 3 years
artisticfederationskatingroller
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