Senior Full Stack Software Engineer, Checkr

Checkr

Location:
United States, San Francisco

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

173000.00 - 215000.00 USD / Year

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Job Description:

Checkr Trust is seeking a Senior Full Stack Software Engineer to join their team in San Francisco. The role involves designing, building, and launching new products, taking ownership of end-to-end application development, and building scalable APIs and architectures. Candidates should bring advanced knowledge in Ruby on Rails and JavaScript (React), strong technical skills, and a customer-focused approach.

Job Responsibility:

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

Requirements:

BS/MS degree in either computer science or electrical engineering
have founded or held early roles at successful fast-paced startups
6+ years of full stack software development experience
advanced knowledge in Ruby (Ruby on Rails)/ Javascript (React), or similar languages/frameworks
amazing product sense
experimentation mindset
experience building scalable technical architecture that can scale to 10mm+ users

Nice to have:

experience with trust & safety, IDV, background check products or criminal data
experience with data analysis and processing
experience building and working with scrapers and scraping technology

What we offer:

a fast-paced and collaborative environment
learning and development allowance
competitive compensation and opportunity for advancement
100% medical, dental, and vision coverage
up to 25K reimbursement for fertility, adoption, and parental planning services
flexible PTO policy
monthly wellness stipend, home office stipend
working at a startup within a startup
lunch four times a week
a commuter stipend
abundance of snacks and beverages

Additional Information:

Job Posted:
October 04, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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Senior Full Stack Software Engineer