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Klara's decades of experience in OpenZFS, Linux, and FreeBSD software development enables us to leverage the full potential of these open-source technologies. We can work closely with your team to identify areas where these technologies can provide the most value to your organization in system optimization, security, or custom application development. Confidently expedite your development efforts and achieve your business objectives with Klara's mastery in open-source development. Partner with us today to unlock the potential of OpenZFS, Linux, and FreeBSD for your business.
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OpenZFS Developer
As an OpenZFS Developer reporting to the ZFS Engineering Manager, you'll work with a global team to enhance the OpenZFS file system by designing new features, resolving performance issues, and contributing upstream across multiple platforms.
About Klara Inc.
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 new 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
- Strong 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
- Strong communication and documentation skills
- Experience with customers or end-user interaction
- Prior open source contributions; kernel development experience is a plus
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