TL;DR

Senior Software Engineer (Ruby/Rails): Develop and maintain scalable full stack applications and APIs with an accent on product ownership, customer-centric features, and scalable architecture. Focus on designing and building end-to-end solutions, integrating third-party services, and ensuring reliability under high traffic.

Location: Hybrid in San Francisco, California, United States with expectation to work from office 2-3 days a week, increasing to 3 days starting January 2026

Salary: $173,000 - $215,000 USD

Company

%hirify_global% builds a data platform powering safe and fair decisions, serving over 100,000 customers including major brands, operating with startup speed within a known technology brand.

What you will do

Design, build, and launch new full stack products and APIs with customer and stakeholder collaboration
Take full ownership of product development from idea to delivery impacting real customers and business
Build scalable, asynchronous event-based architecture to handle very high traffic
Maintain code quality with testing, reviews, and best practices
Run and analyze product experiments to guide development

Requirements

Location: Hybrid work with presence in San Francisco office 2-3 days per week, increasing to 3 days in 2026
6+ years full stack software development experience with Ruby on Rails and JavaScript (React)
Strong product sense and ability to work autonomously in a fast-paced startup environment
Experience building scalable technical architecture for 10 million+ users
BS/MS degree in computer science or electrical engineering

Nice to have

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

Culture & Benefits

Fast-paced, collaborative environment within a startup lab
Learning and development allowance
Competitive compensation and advancement opportunities
100% medical, dental, and vision coverage
Reimbursement for fertility, adoption, and parental planning services
Flexible PTO policy, wellness and home office stipends