Olivier Girardot
Chief Technology Officer at Arkhn
Paris, Ile-de-France
Summary
👤
Senior🎓
Top SchoolOlivier Girardot is a seasoned technology leader and CTO at Arkhn, bringing 15 years of engineering and product experience building data platforms for healthcare providers. He combines deep hands‑on expertise in Scala, Java and Python with proven leadership across data, DevOps and large‑scale architecture from roles at Malt, Matcha and major enterprises like Groupe La Poste and Carrefour. As an entrepreneur he co‑founded Appartinfo and ScalaIO and led genomics big‑data projects that cut whole‑genome processing times from days to hours, showing a knack for applying distributed systems to real clinical needs. He contributes to open source—enhancing ClickHouse dialect support in the widely used sqlfluff project—demonstrating attention to both tooling and data interoperability. Based in Paris, Olivier blends startup pragmatism with enterprise rigor to deliver reliable, scalable data products for regulated domains. He frequently bridges product, infra and research teams to turn complex data challenges into production outcomes.
15 years of coding experience
12 years of employment as a software developer
Master Computer Science and Finance, Master Computer Science and Finance at Centrale NantesBaccalaureat S Mathematics, Baccalaureat S Mathematics at Lycée lakanal
English, Spanish, Japanese, French
Stackoverflow
4,638reputation
278kreached
23answers
14questions
Github Skills (15)
formatting10
text-parsing10
parsing10
text-formatting10
sql10
datatypes10
clickhouse10
python9
rdd6
big-data6
hive6
apache-spark6
pyspark6
hadoop6
scala6
Programming languages (13)
Github contributions (5)
sqlfluff/sqlfluff
Aug 2024 - Aug 2024
A modular SQL linter and auto-formatter with support for multiple dialects and templated code.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 reviews, 6 PRs, 9 comments in 4 days
Contributions summary:Olivier primarily contributed to enhancing ClickHouse dialect support within the SQLFluff project. They added support for new data types such as `DateTime64`, `Tuple`, and `Decimal`, alongside supporting new features like `LIMIT BY` and `INTO OUTFILE`. Additionally, the user implemented support for the `RENAME` statement and integrated various `FORMAT` options for outputting data. These contributions extend the functionality of SQLFluff to better support the ClickHouse SQL dialect.
dialectslinterpypisql-lintertemplated
ogirardot/typesafe-kafka-streams
Oct 2016 - Nov 2017
Contributions:37 commits, 3 PRs, 32 pushes in 1 year
apiscalatypesafe
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