Why join Upscale AI

Upscale AI is building the high-performance infrastructure powering the next generation of artificial intelligence. Backed by over $300M in funding and rapid global adoption, we are scaling systems designed for the world’s most demanding AI workloads.

We focus on first-principles engineering across silicon, systems, and networking—where performance, scale, and execution are critical. Our team is talent-dense and high-performing. We value ownership, technical rigor, and speed, and we offer the prospect to work on foundational problems with immediate, real-world impact.

If you’re looking to do high-impact work, move fast, and help define the infrastructure behind the future of AI—Upscale AI is where you can produce meaningful work at the frontier—and operate at a high standard.

Principal Engineer: SDK, SAI & Platform Debugging

We are looking for a seasoned networking software professional with 12+ years of industry experience in switch software, ASIC SDKs, and network operating systems.



This role is intended for an experienced engineer who can independently lead complex technical investigations, drive cross-functional problem resolution, and act as the go-to expert for SDK, SAI, and platform-related issues.

The ideal candidate should have extensive experience debugging across the entire networking software stack, including SAI, SDK, NOS, Linux kernel, platform drivers, and hardware interfaces. Beyond troubleshooting, the candidate is expected to influence architecture, guide engineering teams, engage directly with silicon vendors, and establish best practices for platform stability and supportability.

What will you do ?

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Provide guidance on SDK-SAI integration and platform software design. Drive technical reviews and influence software design decisions to improve debuggability, reliability and maintainability of the Network Operating System (NOS).

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Analyze SDK-SAI interactions and identify functional, performance, or scalability bottl

📌 Principal Engineer_SDK, SAI (Bengaluru)
🏢 Upscale AI
📍 Bengaluru