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Member of Technical Staff | Inference Platform

São Paulo💼 Full-time🗓 2026-09-23 → 2026-09-25

Core

Own the inference platform to execute models for enterprise and mid-market customers via large batch jobs and real-time APIs, ensuring fast, predictable, and cost-efficient serving.

Role type

Senior IC platform engineer (inference runtime)

Builds

Sophos (online and batch inference runtime on Kubernetes), controllers, and custom resources

Domain

Cloud infrastructure, Kubernetes, large-scale model serving, and data processing

Deliverable

production ML models | infrastructure

Required skills

Kubernetes, Kubernetes controllers/operators, Python, profiling and optimization, cost optimization, telemetry, batch scheduling, GPU serving

Preferred skills

Ray/Ray Serve/KubeRay, Kueue, Lance/Arrow/Parquet, GCP/AWS/GKE/EKS

Responsibilities

Evolve Sophos inference runtime, run large batch inference with multi-dimensional admission control, build and extend Sophos controller, optimize inference engines and feature processing, serve graphs and data from Lance-based storage, own execution of training and fine-tuning jobs, drive autoscaling and performance optimization, solve open problems in job sizing and resilience

Seniority

Senior, hands-on IC

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