Software Development Engineer

Job Summary

In this role, you will develop and evolve the forwarding and platform software that powers our SD-WAN and edge routing solutions. You will collaborate with ASIC, hardware, and cross-functional engineering teams to define new architectures, implement high-performance packet forwarding, and deliver robust, production-ready features. You will also leverage modern AI tools to enhance software development practices, driving greater efficiency, quality, and innovation across the team.

Responsibilities

• Hardware-Software Integration: Collaborate closely with hardware engineering teams to bring up new platforms, develop low-level drivers, and integrate Network Interface Modules (NIMs).
• Firmware Development: Design, implement, and maintain ROMMON and bootloader software to ensure secure and reliable system initialization.
• Forwarding Plane Optimization: Develop and tune high-performance forwarding plane software to meet the rigorous demands of modern secure routing environments.
• L2 Feature Development: Implement and optimize Layer 2 networking protocols and features within the platform stack.
• Performance Debugging: Perform deep-dive analysis into performance bottlenecks at the kernel and hardware-abstraction layers, including the control plane.
• Modern Development Practices: Utilize modern development workflows, including AI-assisted coding tools (such as GitHub Copilot, Claude, or Codex) and IDEs like VSCode, to accelerate the development lifecycle and improve code quality.

Minimum Qualifications

• 8-12 years of industry experience with end-to-end software development in networking.
• Experience across platforms, system software, kernel/user-space drivers, bootloaders, BIOS, and performance tuning spanning control-plane and data-plane.
• Strong proficiency in C/C++ with a focus on systems programming and Linux environments.
• Proven experience in developing device drivers, working with RTOS/Linux kernels, and understanding hardware-software interfaces.
• Solid understanding of routing architectures and Layer 2 networking protocols (e.g., Ethernet, VLANs, STP).
• Experience with bootloaders (ROMMON), hardware bring-up, and board support packages (BSP).
• Demonstrated ability to debug complex issues spanning hardware, firmware, and software layers.
• Experience with LAN/WAN communication interfaces and Layer 2/Layer 3 technologies.
• Experience with AI/ML techniques and tools for development (e.g., code assistants, static analysis tools, test automation).

Preferred Qualifications

• Knowledge of high-speed interfaces (PHY, MAC, MACSEC) and DPDK.
• Platform/system expertise such as kernel bring-up, driver development, platform/network management software, and cloud networking.
• Debugging experience with i2c, i2c trace analysers, and PCIe.
• Knowledge of x86 or ARM assembly code, instruction sets, and ABIs.
• Experience with debugging using hardware and software debuggers (e.g., GDB, Arium, BDI).

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