Staff Software Engineer, Checkr Personal (Ruby/Rails)

Checkr•San Francisco, CA

1d•Hybrid

About The Position

Checkr is building the data platform to power safe and fair decisions. Established in 2014, Checkr’s innovative technology and robust data platform help customers assess risk and ensure safety and compliance to build trusted workplaces and communities. Checkr has over 100,000 customers including DoorDash, Coinbase, Lyft, Instacart, and Airtable. We’re a team that thrives on solving complex problems with innovative solutions that advance our mission. Checkr is recognized on Forbes Cloud 100 2025 List and is a Y Combinator 2024 Breakthrough Company. About the team Checkr Personal is our consumer product for ordering background checks and verifying credentials. Our vision is to build the largest network of verified individuals. Over the past year, we’ve seen exponential growth, both through direct-to-consumer adoption and growing demand from job platforms looking to embed our verified profiles to let their workers stand out. This team is part of the Checkr new products lab: we operate with the speed of a small startup, while enjoying the leverage and resources of a known technology brand. Since launching, we’ve seen significant traction and we are looking for a Staff Full Stack Software Engineer to play a pivotal role in the continued growth of our startup. You are the right fit if: You have strong product opinions and aren’t afraid to voice them. You are comfortable with ambiguity and rapidly changing priorities. You value in-person collaboration and fast iteration with the team. You know when to optimize for speed versus striving for perfection. You are comfortable working across the entire software stack. You take full ownership: from idea to execution to real customer and business impact.

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) and Javascript (React)
Amazing product sense
Experimentation mindset: autonomy and empowerment to validate a customer need, get team buy-in, and ship a rapid MVP
Experience building scalable technical architecture that can scale to 10mm+ users (including observability tooling, container orchestration, etc)

Nice To Haves

Experience building consumer products
Experience with data analysis

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.
Run and measure product experiments, using what you learn to guide future development.
Build and improve APIs, including integrating with third-party services to expand what our products can do.
Keep code reliable and easy to maintain with solid testing, thoughtful reviews, and good practices.