Checkr

Senior Machine Learning Engineer

Checkr
Apply
3 hours ago

Base Salary

$207k - $244k/yr

Responsibilities

  • Design, develop, deploy, monitor, and test production ML models and AI services used by Checkr’s core products.
  • Use LLM APIs, prompt engineering, structured outputs, function calling, fine-tuning, classical models, and rules to build production systems.
  • Write clean, testable, well-structured production software with APIs, abstractions, error handling, and automated tests.
  • Partner with product and engineering teams to translate business problems into ML solutions and define API contracts.
  • Build evaluation frameworks, run experiments, and iterate on model and system performance using data-driven decisions.
  • Automate internal 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 running in production.
  • Strong Python fluency and experience writing 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, document processing, OCR, information extraction, PySpark, 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 policy and monthly wellness stipend.
  • Expected to work from a Checkr hub office at least 3 days per week; in-office perks include lunch five times a week, commuter stipend, snacks and beverages, and a possible relocation stipend.

Tech Stack

dbtMLflowPythonRubyRuby on RailsSnowflake
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.

Contact me