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CheckrCheckrSan Francisco, CA

Senior Software Engineer

Build and own end-to-end full-stack products, APIs, and event-driven systems in Checkr’s Trust startup lab. The role requires 5+ years of experience, strong Ruby/Rails and JavaScript/React skills, startup adaptability, and a customer-centric experimentation mindset.

185k – 218k/yr
On-site5+ YOEFullstack Engineering

About the role

Responsibilities

  • Work closely with customers, engineers, and leaders to design, build, and launch new products.
  • Own the end-to-end development process for applications, from shaping ideas through delivery.
  • Build and improve APIs, including integrations with third-party services.
  • Partner with customer success, customers, and stakeholders to understand needs and deliver useful features.
  • Maintain reliable, maintainable code through testing, thoughtful reviews, and sound engineering practices.
  • Run and measure product experiments to guide future development.
  • Build scalable APIs and asynchronous, event-based architectures capable of handling very high traffic.

Requirements

  • Bachelor's or master's degree in computer science or an engineering discipline.
  • Experience founding or working in early roles at successful, fast-paced startups.
  • 5+ years of full-stack software development experience.
  • Advanced knowledge of Ruby and Rails, JavaScript, React, or similar languages and frameworks.
  • An experimentation mindset and ability to validate customer needs, gain team buy-in, and rapidly ship MVPs.
  • Comfort with ambiguity and balancing speed with quality in an early-stage environment.
  • Strong ownership, bias for action, resilience, curiosity, and focus on meaningful outcomes.

Nice-to-Haves

  • Experience building scalable architectures for 10 million or more users, including observability tooling and container orchestration.
  • Background in trust and safety, identity verification, background-check products, or criminal data.
  • Expertise in data analysis and processing.
  • Experience building and using scrapers and scraping technology.

Compensation and Benefits

  • Base salary range: $185,000–$218,000 USD for San Francisco, CA.
  • Competitive cash and equity compensation.
  • Learning and development allowance.
  • Medical, dental, and vision coverage at 100%.
  • Up to $25,000 reimbursement for fertility, adoption, and parental planning services.
  • Flexible PTO policy.
  • Monthly wellness stipend.
  • In-office work is expected at least 3 days per week.

Skills

RubyRuby on RailsJavaScriptReactREST APIsAPI Integrationsasynchronous architectureEvent-Driven ArchitectureObservabilitycontainer orchestrationData Analysisweb scraping

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