Senior ML Engineer – Production AI Systems

Checkr; San Francisco (CA); On-site; USD 207,000 - 244,000; Full time

Benefits offered by this job

Fast-paced environment

Learning & development allowance

Competitive cash and equity

100% medical, dental, vision coverage

Fertility/adoption/parental planning</

Flexible PTO

Monthly wellness stipend

Job summary

Checkr is hiring an ML Engineer (P3) in San Francisco to build and ship production ML services powering Checkr’s core products. You’ll own models, APIs, and the deployment stack, collaborating with Product Engineering and cross-functional teams daily.

The role emphasizes shipping: production code, testing, CI/CD, and cost-aware design of LLM-powered workflows. Join a fast-moving team focused on impact and scalable AI strategy.

Qualifications

• Bachelor's or Master's in CS/Math or related field or equivalent depth from experience
• 6+ years software development with at least 2 years building ML systems in production
• Strong Python fluency; production-grade code, testing, OOP
• Built and maintained APIs and shipped code used by other engineers; CI/CD
• Experience with AI-assisted workflows and LLMs in production contexts
• Ability to spot AI slop and avoid shipping it; ownership mindset

Responsibilities

• Build and deploy ML/AI services used by Product Engineering.
• Design with LLMs and APIs; manage cost, latency and quality.
• Ship production software with clean, well-structured code and tests.
• Partner with product and engineering; define API contracts and clear explanations.
• Evaluate and iterate fast with data-driven experiments.
• Ship AI-powered workflows and agentic capabilities.

Skills

Python

LLM APIs

APIs & CI/CD

AI-assisted workflows

Code quality & reviews

Ownership & delivery

Education

Bachelor's or Master's in CS/Math or related field

Equivalent depth from experience

Tools

LLM APIs in production

CI/CD pipelines

APIs

Rails (nice-to-have)

Job description

Checkr is hiring an ML Engineer (P3) in San Francisco to build and ship production ML services powering Checkr’s core products. You’ll own models, APIs, and the deployment stack, collaborating with Product Engineering and cross-functional teams daily.

The role emphasizes shipping: production code, testing, CI/CD, and cost-aware design of LLM-powered workflows. Join a fast-moving team focused on impact and scalable AI strategy.