Staff Machine Learning/AI Engineer

Protingent; Hillsborough (CA); On-site; USD 247,000 - 297,000; Full time

Job summary

Protingent Staffing seeks a Staff Machine Learning Engineer to join our AI/ML initiatives in San Francisco, CA or NYC, NY. This direct-hire role offers a challenging path to build AI-powered data tools that reduce emissions and transform products.

The ideal candidate has 8+ years in ML/AI, deep expertise with LLMs and embeddings, and proven leadership across cross-functional teams. Expect end-to-end development, evaluation, and deployment of state‑of‑the‑art ML systems.

Qualifications

• 8+ years of experience in Machine Learning / AI engineering.
• Experience building products using LLMs, embeddings, and other ML technologies.
• Full lifecycle experience building, deploying, and monitoring products that leverage LLMs, embeddings, or other ML technologies.
• Experience leading cross‑functional teams in an innovative fast‑moving environment.
• A strong foundational understanding of machine learning models and practice, including model evaluation and performance.
• Strong full‑stack development skills.

Responsibilities

• Prototype, develop, and iterate on new product areas for our client, providing customers powerful AI tools for transforming data and reducing emissions.
• Productionize and launch core technologies to power AI features on top of operational sustainability data.
• Collaborate with product and other AI engineering teams to set product and technical strategy.
• Build evaluations, fine‑tune, and create agent harnesses to build reliable AI‑powered systems.
• Keep up with developments and state‑of-the-art in AI to determine relevance.
• Write performant, well‑crafted, tested, and maintainable code across our technical stack.

Skills

ML/AI engineering

LLMs & embeddings

Full lifecycle ML

Cross-functional leadership

Model evaluation

Full-stack development

Job description

Staff Machine Learning Engineer

Protingent Staffing offers an exciting contract opportunity in San Francisco, CA or NYC, NY.

Job Responsibilities

• Prototype, develop, and iterate on new product areas for our client, providing customers powerful AI tools for transforming data and reducing emissions.
• Productionize and launch core technologies to power AI features on top of operational sustainability data.
• Collaborate with product and other AI engineering teams to set product and technical strategy.
• Build evaluations, fine‑tune, and create agent harnesses to build reliable AI‑powered systems.
• Keep up with developments and state-of-the-art in AI to determine relevance.
• Write performant, well‑crafted, tested, and maintainable code across our technical stack.

Job Qualifications

• 8+ years of experience in Machine Learning / AI engineering.
• Experience building products using LLMs, embeddings, and other ML technologies.
• Full lifecycle experience building, deploying, and monitoring products that leverage LLMs, embeddings, or other ML technologies.
• Experience leading cross‑functional teams in an innovative fast‑moving environment.
• A strong foundational understanding of machine learning models and practice, including model evaluation and performance.
• Strong full‑stack development skills.

Job Details

Job Type: Direct Hire

Location: San Francisco, CA or NYC, NY

Salary Range: $247-297K