Staff ML Engineer – Post-Training & Evaluation

True Talent Solutions Partners; Mountain View (CA); On-site; USD 200,000 - 300,000; Full time

Benefits offered by this job

Visa sponsorship

Job summary

True Talent Solutions Partners in Mountain View, CA, offers an on-site role building post-training methods for AI systems. You will span research and production, developing evaluation suites, data pipelines, and reproducible training environments.

The ideal candidate has 1–5 years in AI startup or ML research, strong Python and ML fundamentals, and hands-on experience with LLM post-training, evaluation, or inference. Visa sponsorship is available.

Qualifications

• 1–5 years of engineering experience in AI startup or ML research group.
• Hands-on experience with LLM post-training, evaluation, or inference.
• Ability to learn unfamiliar systems and debug independently.

Responsibilities

• Build evaluation suites, graders, and data pipelines using production workflows and traces.
• Own post-training projects in customer settings, including data work, evaluations, reinforcement learning environments, and training runs.
• Implement agent environments and harnesses for reproducible experiments and training data generation.
• Run and analyze post-training experiments, reproduce promising research, and debug related systems.
• Turn successful experiments into reliable components of a post-training and continual learning platform.

Skills

Python

ML fundamentals

Experimentation

Communication

Tools

PyTorch

JAX

Megatron

vLLM

SGLang

Job description

True Talent Solutions Partners in Mountain View, CA, offers an on-site role building post-training methods for AI systems. You will span research and production, developing evaluation suites, data pipelines, and reproducible training environments.

The ideal candidate has 1–5 years in AI startup or ML research, strong Python and ML fundamentals, and hands-on experience with LLM post-training, evaluation, or inference. Visa sponsorship is available.