Staff Software Engineer, Checkr Personal (Ruby/Rails)

About Checkr
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.

What you'll do:

• 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.

What you bring:

• 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 have:

• Experience building consumer products


• Experience with data analysis

What you get:

• 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


• Working at a startup within a startup

At Checkr, we believe a hybrid work environment strengthens collaboration, drives innovation, and encourages connection. This role is in person in San Francisco 3 days a week (Tuesday, Wednesday, Thursday). In-office perks are provided, such as lunch five times a week, a commuter stipend, and an abundance of snacks and beverages.

At Checkr, we believe a hybrid work environment strengthens collaboration, drives innovation, and encourages connection. Our hub locations are Denver, CO, San Francisco, CA, and Santiago, Chile. Individuals are expected to work from the office 2 to 3 days a week. Starting January 2026, hub-based employees will be expected to work from the office 3 days per week. In-office perks are provided, such as lunch four times a week, a commuter stipend, and an abundance of snacks and beverages. A relocation stipend may be available for those willing to relocate to a Checkr hub location.

Equal Employment Opportunities at Checkr
Checkr is committed to building the best product and company, which requires hiring talented and qualified individuals with a diverse set of perspectives and lived experiences. Checkr believes in hiring people of all backgrounds, including those whose histories are impacted by the justice system in accordance with local, state, and/or federal laws, including the San Francisco’s Fair Chance Ordinance.

*Legitimate Checkr emails will always include our official domain name after the @ symbol (e.g., name@checkr.com or name@ext.checkr.com).