Felix Dalmau
Principal Software Engineer at Shell
The Hague, South Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolFelix Dalmau is a Principal Software Engineer with over a decade of hands-on experience optimizing high-performance computing applications for oil & gas and scientific domains. He has a proven track record tuning codes for cutting-edge accelerators—from IBM Cell/BE and NVIDIA Fermi/Kepler to Intel Xeon Phi—and brings a telecom engineering background that helps him bridge hardware, numerical algorithms, and production systems. At Shell he combines deep HPC expertise with build/configuration and operations leadership, driving performance and secure cloud-connected workflows. His open-source work includes back-end improvements to the well-known ZnapZend ZFS backup tool, showing attention to reliability and dataset management details. Felix also pairs technical depth with formal leadership training and Agile practice, enabling him to lead cross-functional teams through complex optimization projects. Colocated in The Hague, he excels at turning mathematically demanding problems into deployable, high-throughput solutions.
11 years of coding experience
14 years of employment as a software developer
Post-Graduate certification, Leadership and group management, Post-Graduate certification, Leadership and group management at Fundació CIM (associated to UPC)Escola Pía GranollersUPC Universitat Politècnica de CatalunyaMaster, Business Administration, Master, Business Administration at Grupo EFEM
English, Spanish, Catalan, French
Github Skills (7)
backup10
perl10
zfs10
automation9
automations9
debug8
debugging8
Programming languages (18)
Github contributions (5)
oetiker/znapzend
Jul 2018 - Oct 2018
zfs backup with remote capabilities and mbuffer integration.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 6 PRs, 9 comments in 2 months
Contributions summary:Felix primarily focused on enhancing the functionality of the ZnapZend backup tool. Their contributions involved modifications to the core `ZnapZend.pm` file, addressing issues related to ZFS stream handling and snapshot management. Specifically, they implemented logic to remove snapshots from descendant datasets based on the 'org.znapzend:enabled' property, added logging support to the configuration module and also enabled pre-checks for datasets where only the 'enabled' property is set.
incrementalzfsinitramfssnapshotszfs-backup
flixman/systemd
Jul 2023 - Feb 2024
The systemd System and Service Manager
Contributions:4 PRs, 13 pushes, 6 branches in 7 months
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