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Anysphere
New York, United States7 months ago
Work format
Onsite
English level
B2, upper-intermediate
An email or a Telegram message to the recruiter
As a Software Engineer on the Model Routing & Inference team at SpaceXAI, you'll build the inference platform that powers every AI interaction in the product.
This team owns the full inference path: making Cursor's AI faster, more reliable, and more cost-effective at a scale few teams in the world get to operate at. Every agent session, every tab completion, and every chat message flows through your stack.
Building and evolving our inference gateway, a single abstraction over every provider's API semantics, so model onboarding becomes a config change
Designing intelligent cross-provider failover so no single provider outage causes user-visible degradation
Designing routing backpressure and admission control so traffic spikes don't cascade into providers
You have deep experience building high-throughput, low-latency distributed systems, especially in inference serving, traffic routing, or real-time data pipelines
You're comfortable reasoning about cost/performance tradeoffs at scale (GPU utilization, provider economics, capacity planning)
You have strong software engineering fundamentals and enjoy shipping production systems that handle millions of requests
You make good calls in the gray area: weighing reliability, cost, latency, and user experience when there isn't a single "right" answer
As a Software Engineer on the Model Routing & Inference team at SpaceXAI, you'll build the inference platform that powers every AI interaction in the product.
This team owns the full inference path: making Cursor's AI faster, more reliable, and more cost-effective at a scale few teams in the world get to operate at. Every agent session, every tab completion, and every chat message flows through your stack.
Building and evolving our inference gateway, a single abstraction over every provider's API semantics, so model onboarding becomes a config change.
Designing intelligent cross-provider failover so no single provider outage causes user-visible degradation.
Designing routing backpressure and admission control so traffic spikes don't cascade into providers.
You have deep experience building high-throughput, low-latency distributed systems, especially in inference serving, traffic routing, or real-time data pipelines.
You're comfortable reasoning about cost/performance tradeoffs at scale (GPU utilization, provider economics, capacity planning).
You have strong software engineering fundamentals and enjoy shipping production systems that handle millions of requests.
You make good calls in the gray area: weighing reliability, cost, latency, and user experience when there isn't a single "right" answer.
If there appears to be a fit, we'll reach to schedule 2-3 short technicals. After, we'll schedule an onsite in our office, where you'll work on a small project, discuss ideas, and meet the team.
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