Reflection

Member of Technical Staff Research Software Engineer Safety Evaluations Infrastructure

AI Data Pipelines Developer Experience Python RBAC +1 skills

You will design, build, and own secure infrastructure for sensitive model evaluations. You will create sandboxed environments, controlled data pipelines, access controls, audit logging, evaluation orchestration…

Member of Technical Staff - Multilingual Data

Data Pipelines Distributed Computing

You will design and operate multilingual data pipelines for sourcing, cleaning, deduplication, language identification, and script normalization. You will establish corpus quality standards, run experiments on data…

Member of Technical Staff - Pre-Training Infra

Data Pipelines DeepSpeed Distributed Systems Distributed Training GPU +1 skills

You will build distributed systems for frontier-model pre-training and operate large-scale training runs. You will optimize throughput, stability, memory, communication, and GPU utilization; maintain pipelines for…

Member of Technical Staff - Data Quality Engineer Post-training

Acceptance Criteria Agentic AI Data Pipelines Data Quality LLM +2 skills

You will define and operationalize measurable data-quality standards for LLM post-training and evaluation. You will analyze datasets, build and validate automated QA methods, create reusable quality pipelines, provide…

Member of Technical Staff - Data Quality Engineer Pre-training

Acceptance Criteria Data Pipelines Data Quality LLM Machine Learning +1 skills

You will define and operationalize measurable data-quality standards for LLM pre-training. You will analyze data, build and validate automated QA methods alongside human-in-the-loop processes, create reusable quality…

Member of Technical Staff Data Flywheel