LLM/VLM AI Research & Development Engineer

ASML US, LP. (US30); San Jose (CA); On-site; USD 150,000 - 190,000; Full time

Job summary

ASML in San Jose, CA seeks AI Research and Development Engineers to lead end-to-end LLM/VLM development for semiconductor inspection. You will curate data, train or fine-tune models, evaluate performance, and optimize inference, deploying solutions that address real-world engineering challenges.

The role requires hands-on experience with modern DL frameworks (Python, PyTorch), transformer architectures, and distributed training, with a strong emphasis on rigorous evaluation, reproducibility, and

Qualifications

• Hands-on experience training or fine-tuning LLMs and/or VLMs end to end.
• Experience with Python and PyTorch.
• Strong understanding of transformer-based models and training dynamics.
• Experience with distributed multi-GPU environments and debugging training issues.
• Excellent analytical thinking and problem-solving.

Responsibilities

• Own end-to-end LLM/VLM development workflows, including data curation and preprocessing, model selection, training or fine-tuning, evaluation, inference optimization, deployment, and iterative improvement.
• Design and execute model adaptation strategies such as supervised fine-tuning, instruction tuning, parameter-efficient fine-tuning, preference optimization, and continued pretraining.
• Build and maintain high-quality training and evaluation datasets, including data cleaning, labeling strategies, synthetic-data generation, quality checks, and contamination controls.
• Establish robust evaluation and benchmarking frameworks covering model quality, task performance, robustness, hallucination, safety, latency, throughput, and cost.
• Develop Agentic AI solutions that integrate trained models with tools, planning, memory, and workflow orchestration.
• Apply advanced LLM/VLM techniques to semiconductor inspection and other complex engineering tasks.
• Collaborate with cross-functional teams and customers to identify research opportunities and validate technologies.
• Support the transition of validated AI research into reusable platforms and potential product applications.

Skills

Python

PyTorch

Transformer models

Distributed training

Education

Master's or PhD in CS/AI/ML/EE

Job description

ASML in San Jose, CA seeks AI Research and Development Engineers to lead end-to-end LLM/VLM development for semiconductor inspection. You will curate data, train or fine-tune models, evaluate performance, and optimize inference, deploying solutions that address real-world engineering challenges.

The role requires hands-on experience with modern DL frameworks (Python, PyTorch), transformer architectures, and distributed training, with a strong emphasis on rigorous evaluation, reproducibility, and