Klara provides open source development services with a focus on FreeBSD, ZFS, and Arm. Our mission is to advance technology through community-driven development while maintaining the ethics and creativity of open source. We help customers standardize and accelerate platforms built on FreeBSD and ZFS, combining internal expertise with active participation in the community.
About The Role – OpenZFS Developer
As an OpenZFS Developer reporting to the ZFS Engineering Manager, you’ll join a cross-functional team enhancing the OpenZFS file system. This includes designing and implementing recent features, resolving complex bugs and performance issues, and contributing upstream across multiple operating systems.
Key Responsibilities
Develop OpenZFS features as part of a remote, global team
Own the full lifecycle: design, implementation, review, upstreaming, and maintenance
Analyze and resolve ZFS performance issues
Collaborate with the community on patch submission and feedback
Participate in monthly upstream developer meetings
Work across Linux, FreeBSD, and illumos platforms
Translate technical requirements into high-level design and documentation
Skills And Qualifications
Robust C programming and data structure fundamentals
Proficiency with Git and source control workflows
Understanding of ZFS internals (SPL, DMU, vdevs, etc.)
Experience with VFS and OS-level file system design
Knowledge of OS concepts: threading, locking, IPC, lifecycle management
Proven ability to deliver on schedule
Robust communication and documentation skills
Experience with customers or end-user interaction
Prior open source contributions; kernel development experience is a plus
J-18808-Ljbffr
📌 Openzfs Developer Hamilton (Canada)
🏢 Klara
📍 Canada
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