# Senior Software Engineer, Trust

**Company:** [Checkr](https://hotfix.jobs/companies/checkr)
**Location:** San Francisco, CA
**Role:** Fullstack Engineering
**Salary:** $185k – $218k/yr
**Experience:** 5+ years
**Skills:** Ruby, Ruby on Rails, JavaScript, React, APIs, Asynchronous Architecture, Event-Driven Architecture, Observability, Container Orchestration, Data Processing, Web Scraping
**Posted:** 2026-08-31

> Senior full-stack engineer responsible for owning product development from customer discovery through delivery, building scalable APIs and event-driven systems. Requires 5+ years of experience, strong Ruby/Rails or JavaScript/React expertise, and comfort working in an early-stage startup environment.

## Job Description

## Responsibilities
- Work with customers, engineers, and leaders to design, build, and launch products.
- Own end-to-end application development, from idea formation through delivery and customer impact.
- Build and improve APIs, including integrations with third-party services.
- Partner with customer success, customers, and stakeholders to translate needs into useful features.
- Maintain reliable, maintainable code through testing, code reviews, and sound engineering practices.
- Run and measure product experiments to guide future development.
- Build scalable APIs and asynchronous, event-based architecture for very high traffic.

## Requirements
- Bachelor’s or master’s degree in computer science or an engineering discipline.
- 5+ years of full-stack software development experience.
- Advanced knowledge of Ruby, Rails, JavaScript, React, or similar languages and frameworks.
- Experience in fast-paced startup environments, including founding or early-stage roles.
- Ability to validate customer needs, gain team alignment, and rapidly ship MVPs.
- Comfort with ambiguity, balancing speed and quality, and contributing to product direction.
- Strong ownership, bias toward action, resilience, and delivery focus.

## Nice to Have
- Experience designing scalable architectures for 10 million or more users, including observability tooling and container orchestration.
- Background in trust and safety, identity verification, background checks, or criminal data.
- Expertise in data analysis and processing.
- Experience building or working with scrapers and scraping technology.

## Compensation and Benefits
- Base salary range: **$185,000–$218,000 USD**.
- Competitive cash and equity compensation.
- Learning and development allowance.
- Medical, dental, and vision coverage.
- Up to $25,000 reimbursement for fertility, adoption, and parental planning services.
- Flexible paid time off.
- Monthly wellness stipend.
- Expected to work from the office at least 3 days per week.

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