Steven Van Ingelgem
Freelance Consultant at DPD BENELUX
Flemish Brabant, Belgium
Summary
👤
Senior🎓
Top SchoolSteven Van Ingelgem is a freelance consultant with 16 years of hands-on experience building resilient web systems and tooling, specializing in C++, PHP/MySQL and ISIS/Papyrus for high-volume enterprise environments. He has delivered solutions ranging from simple scrapers and interactive iDTV apps to fault-tolerant, self-healing distributed services and complex document/workflow platforms for transportation, telecom, banking and insurance. Comfortable across Linux server management and Windows-based ISIS/P toolchains, he often bridges integration gaps using MQ adapters, PQL extensions and Java encapsulation to streamline data flows. As a contributor to the Polars project, he has applied systems-thinking to optimize CSV sinks and cloud URL handling, demonstrating fluency with Rust/Python interop and performance-focused refactors. Based in Flemish Brabant, Belgium, he combines deep legacy-system expertise with modern open-source practices, making him a go-to for stabilizing and evolving mission-critical applications. A pragmatic problem-solver, he frequently moves between code, ops and stakeholder-facing fixes to deliver fast, durable outcomes.
16 years of coding experience
10 years of employment as a software developer
IT, IT at Karel de Grote-Hogeschool
French, Dutch, English
Stackoverflow
942reputation
97kreached
19answers
37questions
Github Skills (20)
python10
dataframes10
polar10
dataframe10
polars10
csv10
rust10
frame10
data-pipelines9
data-pipeline9
arrow-js8
apache-arrow8
arrows8
special-characters6
php6
Programming languages (17)
Github contributions (5)
pola-rs/polars
Jun 2023 - Feb 2024
Dataframes powered by a multithreaded, vectorized query engine, written in Rust
Role in this project:
Back-end Developer
Back-end DeveloperContributions:41 reviews, 18 PRs, 104 comments in 7 months
Contributions summary:Steven primarily contributed to implementing new features and refactoring existing functionality within the Polars dataframes library, focusing on the Python and Rust interfaces. Their work includes adding the `sink_csv` method for LazyFrame and optimizing sink operations, as well as refactoring code for cloud URL handling and renaming parameters. The user also focused on expanding the capabilities of the library by enhancing its CSV write features and general performance improvements.
polarsdataframespythondataframerust
AvarionMC/graves
Apr 2024 - Mar 2025
Contributions:13 releases, 11 reviews, 100 PRs in 11 months
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