Senior Rust Systems Engineer — Core Infra, Ultra-Low Latency

Sequen AI; United States; Remote; USD 180,000 - 260,000; Full time

Job summary

Sequen AI is seeking a Senior Staff Systems Engineer in the US to design, build, and optimize its production-grade model serving infrastructure. You will own core backend components, improve real-time performance, and collaborate with scientists to translate neural network breakthroughs into scalable runtime systems.

Responsibilities include reducing latency under heavy load, building high-throughput APIs and tooling, and ensuring reliability across cloud environments.

Qualifications

• 6 to 8+ years of experience in Software Engineering, Systems Programming, Infrastructure Engineering, or similar.
• Strong professional experience writing and deploying production-grade Rust code in high-scale systems.
• Deep understanding of Rust-specific primitives, including ownership, lifetimes, concurrency models, and asynchronous runtimes like Tokio.
• Experience building robust backend systems, custom APIs, and event-driven architectures.
• Experience debugging, profiling, and operating high-throughput production systems under strict real-world constraints.
• Comfort with ambiguity, a strong sense of technical ownership, and an ability to balance engineering speed with quality.

Responsibilities

• Optimize Real-Time Infrastructure: Write high-performance, memory-safe, and concurrent production code in Rust.
• Develop Core Architectural Tooling: Design and maintain robust, high-throughput backend APIs and SDKs.
• Ensure Reliability and Scale: Own end-to-end lifecycle of core backend infrastructure components.
• Collaborate on Product Evolution: Partner with Applied Scientists to translate breakthroughs into scalable runtimes.

Skills

Rust

Systems Programming

Tokio

Concurrency

Performance

Production Code

Tools

AWS

GCP

Azure

Docker

Kubernetes

Vector Search

Job description

Sequen AI is seeking a Senior Staff Systems Engineer in the US to design, build, and optimize its production-grade model serving infrastructure. You will own core backend components, improve real-time performance, and collaborate with scientists to translate neural network breakthroughs into scalable runtime systems.

Responsibilities include reducing latency under heavy load, building high-throughput APIs and tooling, and ensuring reliability across cloud environments.