Sequen
Staff, Rust Engineer - Core Infrastructure
United States · Remote · Staff · Full-time · Posted Jul 8, 2026
- Experience
- 6 to 8+ years in Software Engineering, Systems Programming, Infrastructure Engineering, or similar.
About the job
Designs and optimizes Rust-based model-serving and real-time infrastructure for Sequen’s ranking and recommendation systems.
What you'll do
- Build and optimize concurrent Rust services, model-serving infrastructure, and low-latency data ingestion systems.
- Design backend APIs, SDKs, caching and memory-management layers, and migrate performance bottlenecks into Rust.
- Own infrastructure reliability and performance, including debugging, benchmarking, monitoring, and collaboration with Applied Scientists on production model runtimes.
What they ask for
- Strong professional experience deploying production-grade Rust in high-scale systems.
- Deep understanding of Rust ownership, lifetimes, concurrency, and asynchronous runtimes such as Tokio.
- Experience building backend systems, custom APIs, and event-driven architectures.
- Experience debugging, profiling, and operating high-throughput production systems.
Nice to have
- Experience with AWS, GCP, or Azure and Docker or Kubernetes.
- Experience with machine-learning inference optimization, vector search databases, or large-scale data pipelines.
Tools
Rust, Tokio, AWS, GCP, Azure, Docker, Kubernetes
AI focus
Build and optimize infrastructure for serving frontier ranking and recommendation models, and translate neural-network and ranking-model advances into scalable production runtimes.
Model-written summary · the original posting is authoritative