Senior Software Engineer

About Checkr Checkr is building the data platform to power safe and fair decisions. Over 140,000 companies and millions of people rely on Checkr for AI verification in the moments that matter most: getting a new job, a new place to live, a car ride, childcare, even a date. Customers include Uber, Pennymac, Airbnb, Doordash, Amazon, and Anthropic. A career at Checkr means collaborating with brilliant minds, disrupting an industry, and opening channels of employment to often overlooked candidates. Checkr is recognized on Forbes Cloud 100 2025 List and is a Y Combinator 2024 Breakthrough Company . Checkr is looking for a Senior Software Engineer to help us bring fair background checks to enterprise customers. Our work is the backbone of employing millions of workers across the country. Our team’s mission is to provide the most accurate and comprehensive criminal records in the industry for customers all across the world. We’re hiring for a team that is focused on unifying the experiences we offer for all the background screening products Checkr offers for our US and international customers by providing common platform functionality to other Checkr teams. Our team will be split 70/30 doing backend / frontend work. Responsibilities: Build and evolve software with an eye for building common platform functionality that other teams leverage in their work. You will be cranking out a lot of code building out scalable, performant, and secure APIs. You will also need some frontend Skills to help build effective React.js components that can be used across Checkr. Design and improve the system architecture of our platform that powers Checkr’s Screening products. You’ll work with more senior engineers to influence and realize our technical designs. As a member of a platform team, you’ll need to communicate effectively with engineers across Checkr who depend on the functionality you are building: they will be this team’s primary customers! Part of how you will communicate with those teams is through writing documentation about to interact with the functionality you are building, applications and good software practices. Implement CI/CD pipeline steps Version control (Git) Mentor and guide other software developers within the Engineering organization. Help identify and solve bugs What you bring: Advance english skills 6+ years of full-stack software development experience. Proficiency in the following languages: Ruby, Javascript (React.js), HTML, CSS, HTTP protocols, Regex Ability to draft and review technical proposals, providing constructive feedback and articulating trade-offs. Strong sense of accountability across all aspects of the development lifecycle, including incident response and ownership of product robustness. Desire to collaborate and share knowledge with peers, both within the team and across the organization. An A-player mindset with a strong bias for action: you raise the bar, move with…