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Senior Software Engineer, Checkr Trust (Ruby/Rails)

Checkr

$173,000 - $215,000
Dec 10, 2025
San Francisco, CA, US
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Checkr is looking to solve the problem of building safer communities by providing risk signals about users to its customers, and is seeking a Senior Full Stack Software Engineer to play a pivotal role in the continued growth of its startup, Checkr Trust.

Requirements

  • Advanced knowledge in Ruby (Ruby on Rails)/ Javascript (React), or similar languages/frameworks
  • 6+ years of full stack software development experience
  • Experience building scalable technical architecture that can scale to 10mm+ users (including observability tooling, container orchestration, etc)
  • BS/MS degree in either computer science or electrical engineering
  • Experience with trust & safety, IDV, background check products or criminal data (nice to have)
  • Experience with data analysis and processing (nice to have)
  • Experience building and working with scrapers and scraping technology (nice to have)

Responsibilities

  • Work closely with customers, engineers, and leaders to design, build, and launch new products.
  • Take full ownership of the entire process of developing end-to-end applications – from shaping the idea to delivering the finished application.
  • Build and improve APIs, including integrating with third-party services to expand what our products can do.
  • Embrace a customer-centric, product-first approach – partner directly with customer success, customers and stakeholders to better understand their needs and turn those into useful features.
  • Keep code reliable and easy to maintain with solid testing, thoughtful reviews, and good practices.
  • Run and measure product experiments, using what you learn to guide future development.
  • Building scalable APIs and asynchronous event-based architecture that can reliably handle very high traffic.

Other

  • BS/MS degree in either computer science or electrical engineering
  • Have founded or held early roles at successful fast-paced startups
  • Strong product opinions and aren’t afraid to voice them
  • Comfortable with ambiguity and rapidly changing priorities
  • Value in-person collaboration and fast iteration with the team