Raphaël Dalmon
Core Database Engineer
Lyon, Auvergne-Rhône-Alpes, France
Summary
🤩
Rockstar🎓
Top SchoolRaphaël Dalmon is a Core Database Engineer with eight years of full-stack and distributed systems experience, now focusing on ultra-low-latency time-series infrastructure at QuestDB. He has held hands-on and leadership roles from co-founding a startup to serving as a software architect, blending product-minded engineering with deep systems design. Comfortable operating close to hardware, he specializes in high-ingestion, high-throughput databases and avoids vendor lock-in through open formats. His background spans academic programs at EPITECH, Tsinghua and emlyon, giving him both rigorous technical training and entrepreneurial fluency. Based in Lyon, he brings a pragmatic drive to optimize storage engines and pipelines for demanding real-time workloads. Colleagues would note his curiosity for distributed internals and his habit of turning performance constraints into elegant, production-ready designs.
8 years of coding experience
5 years of employment as a software developer
EpitechEntrepreneurship in Artificial Intelligence Technologies, Entrepreneurship in Artificial Intelligence Technologies at emlyon business schoolMaster's degree Computer Science, Master's degree Computer Science at Tsinghua UniversityCertification Initiation à l'immersion Analyse de la politique publique, Certification Initiation à l'immersion Analyse de la politique publique at ENA - Ecole nationale d'administration
Github Skills (50)
similarity-search10
timeseries-database10
search-engine10
client-library10
postgresql10
low-latency10
time-series10
grafana10
kdb10
c1110
java10
semantic-search10
sparse-vector10
olap10
financial-analysis10
Programming languages (7)
Github contributions (5)
synaps-io/verify-android-sdk
Feb 2024 - Nov 2024
Contributions:1 release, 4 reviews, 1 PR in 8 months
RaphDal/paradedb
Mar 2025 - Jun 2025
Postgres for Search and Analytics
Contributions:25 pushes, 2 branches in 2 months
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