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 urgency, stay resilient through ambiguity, and take ownership to deliver meaningful outcomes.

Must haves: 

• Solid understanding of Computer Science fundamentals such as relational databases, data structure and algorithms, Object Relational Mapping, REST APIs,
• Good development practices using Test Driven Development, Domain Driven Design, functional and object oriented programming.

Nice to have: 

• Experience with non-relational datastores (MongoDB, Redis)
• Experience with microservices (and patterns like event sourcing or API Gateways)
• Experience with Event Driven Architectures (using tools like Kafka, RabbitMQ, or SQS)
• Observability experience (using tools like Datadog, Grafana, or Splunk)
• AI experience

What We Offer

• A collaborative and fast-moving environment
• Be part of an international company based in the United States
• $3,000 USD per year learning and development reimbursement allowance
• Competitive compensation and opportunity for professional and personal advancement
• 100% medical, dental, and vision coverage for employees and dependents
• Additional vacation benefits of 5 extra days and flexibility to take time off

At Checkr, we believe a hybrid work environment strengthens collaboration, drives innovation, and encourages connection. Our hub locations are Denver, CO; San Francisco, CA; Nashville, TN; and Santiago, Chile. Individuals are expected to work from the office 3+ days a week. In-office perks are provided, such as lunch five times a week, a commuter stipend, and an abundance of snacks and beverages.

Equal Employment Opportunities at Checkr

Checkr is committed to hiring talented and qualified individuals with diverse backgrounds for all of its tech, non-tech, and leadership roles. Checkr believes that the gathering and celebration of unique backgrounds, qualities, and cultures enriches the workplace.   

Checkr also welcomes the opportunity to consider qualified applicants with prior arrest or conviction records. Checkr’s commitment to diversity extends to hiring talented individuals in spite of a prior criminal history 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).