Virtue AI · 2 months ago
Research Scientist/Engineer - Post-training, Inference, & Safety and Security
San Francisco, CA
Full-time
Onsite
Mid, Senior Level
$250K/yr - $600K/yrVirtue AI is an early-stage startup focused on advanced AI security platforms. The Research Scientist will develop cutting-edge agent and ML security techniques, contributing to product advancement and industry innovation.
Artificial Intelligence (AI)Information TechnologySoftware
Responsibilities
Develop our core techniques for agent and model red-teaming, including designing new red-teaming methods and optimizing the overall testing platform
Develop and train our core guardrail models for agents and different input modalities
Conduct a comprehensive model evaluation and analyze the evaluation results
Optimize the model training pipelines and infrastructure
Apply efficiency inference methods to reduce model latency
Lead research projects, collaborate across the entire team, and contribute to the full technical stack
Qualification
Required
Degree (BS required, MS or PhD preferred) in Machine Learning, Security, or a related field
Proficiency in programming languages such as Python, along with expertise in LLM libraries like PyTorch, HuggingFace, etc
Experience in LLM finetuning for different modalities using packages like LlamaFactory, verl, Slime, etc
Experience in optimizing LLM inference with Sglang or vLLM, etc
Experience in building LLM-based agents for various applications using ADKs like Google, OpenAI, and LangChain
Experience in conducting large-scale red-teaming for LLMs and agents
Strong problem-solving skills and effective communication abilities
Preferred
Hands-on experience with Docker and Kubernetes for containerization and deployment
Hands-on experience in back-end engineering (Go, C/C++) and front-end development (Typescript, React)
Enthusiasm for thriving in a fast-paced startup environment
Benefits
Equity commensurate with skills and experience
Company
Virtue AI
Virtue AI operates as an AI security and compliance platform for applications.
Founded in 2024
11-50 employees
H1B Sponsorship
Virtue AI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
Funding
Current Stage
Early StageTotal Funding
$30M2025-04-15Series A· $30M
2025-04-15Seed
Leadership Team
Bo Li
CEO
Carlos Guestrin
Co-Founder & Chief Scientist
Recent News
2025-10-31
Company data provided by crunchbase