About Xsight Labs

Xsight Labs is a pre-IPO silicon startup based in Israel with development offices in Boston MA, Durham NC, and San Jose, CA. Named one of the 10 hottest semiconductor startups of 2025, Xsight is developing and delivering revolutionary new silicon devices to address the cloud datacenter core and edge at scale. Xsight is well funded by some of the leading investments firms in the world including Intel Capital, Microsoft, Fidelity, and Atreides. Come join our team and be part of revolutionizing the future of the cloud!

About the role

Xsight Labs is building high-performance networking solutions for scale-out infrastructure. As a Junior Software Engineer, joining the Networking/Drivers team, you’ll develop and optimize low-level software in C, help bring up new hardware, and collaborate closely with senior engineers across firmware, silicon, and verification to ship production-quality code. What you’ll do:

• Implement and optimize features in C for user-space and kernel-adjacent components (e.g., packet I/O paths, drivers, utilities).
• Contribute to device driver development: design, debug, testing, and performance tuning.
• Work hands-on in the lab on SW/HW integration, board bring-up, and end-to-end data-path validation.
• Investigate complex issues using logs, packet captures, and profilers; propose and land robust fixes.
• Add automated tests, improve CI signals, and write clear documentation and design notes.
• Collaborate in code reviews and design discussions; learn from senior mentors and share knowledge with peers.

Basic Qualifications

• Bachelor’s Degree in Computer Science or Electrical Engineering
• 0–4 years of software development in C/C++
• Outstanding team player with strong verbal and written communication skills

Preferred Qualifications

• Knowledge of networking protocols (Ethernet/IP/TCP/UDP) – advantage
• Experience with SW/HW integration (lab bring-up, measurement, debug) - advantage
• Device driver design, development, debugging, and testing experience - advantage
• Knowledge of RDMA technology – advantage
• Experience with DPDK user-space application development- advantage
• Solid Linux fundamentals (processes, memory, concurrency, sockets) - advantage
• Scripting for tooling/automation (Python, Bash) – advantage
• Familiarity with profiling and debugging tools (gdb, perf, tcpdump/Wireshark) – advantage