Checkr

Senior Machine Learning Engineer

Checkr
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2 days ago
Denver, CO, USA or San Francisco, CA, USASenior
H1B sponsor

Base Salary

$176k - $244k/yr

Responsibilities

  • Design, develop, deploy, monitor, test, and maintain production ML models and AI services.
  • Use LLM APIs and other modeling approaches to build production systems while balancing cost, latency, and quality.
  • Write clean, structured, tested production software and maintain API layers used by other engineering teams.
  • Partner with Product Engineering, Product, and cross-functional teams to translate business problems into ML solutions and define API contracts.
  • Build evaluation frameworks, run experiments, and make data-driven decisions about model and system performance.
  • Automate pipelines, build agentic workflows, and contribute reusable skills and context to Checkr’s agentic platform.

Requirements

  • Bachelor’s or Master’s degree in Computer Science, Mathematics, or a related technical field, or equivalent depth from experience.
  • At least 6 years of professional software development experience, including at least 2 years building ML systems that run in production.
  • Strong Python fluency and the ability to write clean, testable, well-structured object-oriented code.
  • Hands-on production experience with LLM APIs, prompt engineering, structured outputs, function calling, cost management, and evaluation.
  • Experience building and maintaining APIs, working with CI/CD pipelines, and shipping code used by other engineers.
  • Experience with AI-assisted workflows, LLMs, code-generation tools, or agentic systems in production or operational contexts.
  • Preferred experience with MLflow, SageMaker, Vertex, PySpark, document processing, OCR, information extraction, Ruby, compliance-sensitive domains, dbt, Snowflake, or modern ELT/data transformation tools.

Benefits

  • Learning and development allowance.
  • Competitive cash and equity compensation with advancement opportunities.
  • 100% medical, dental, and vision coverage.
  • Up to $25K reimbursement for fertility, adoption, and parental planning services.
  • Flexible PTO and a monthly wellness stipend.
  • Expected to work from a Checkr hub office at least 3 days per week; hubs include Denver, San Francisco, Nashville, and Santiago, with lunch, commuter stipend, snacks, beverages, and possible relocation support.

Tech Stack

dbtMLflowPythonRubyRuby on RailsSnowflake

Categories

Checkr

About Checkr

1,001-5,000 employees

Checkr builds an AI-powered background, identity, and credential verification platform for employers, marketplaces, landlords, and lenders, delivered via APIs and web tools. The privately held company, founded in 2014 and headquartered in San Francisco, supports employment, tenant, and mortgage screenings for more than 140,000 customers, including Uber, Airbnb, DoorDash, and Pennymac. Its business model centers on per-check and subscription-based screening services with built-in compliance workflows.

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