About Checkr Checkr builds people infrastructure for the future of work. We've designed a fasterand fairerway to screen job seekers. Established in 2014, Checkr puts modern technology powered by machine learning in the hands of hiring teams, helping to hire great new people with an experience thats fast, smooth, and safe. Checkr has over 100,000 customers including DoorDash, Coinbase, Lyft, Instacart, and Airtable. A career at Checkr means collaborating with brilliant minds, disrupting an industry, and opening channels of employment to often overlooked candidates. Checkr has been recognized as one of BuiltIn's 2023 Best Places to Work in the US and is a Y Combinator 2023 Breakthrough Company.About the team/role We're seeking an experienced Senior Software Engineer to join our Criminal Searches team. This team plays a crucial role in our mission by developing and maintaining the systems that conduct accurate and efficient criminal background checks. As a Senior Software Engineer on the Criminal Searches team, you'll work on high-impact projects that directly contribute to the core functionality of Checkr's background check services. You'll be instrumental in improving our search algorithms and systems, enhancing data processing capabilities, and ensuring the reliability and accuracy of our criminal record search systems. What youll do:Design, develop, and maintain scalable and efficient systems for criminal record searches Optimize search algorithms and systems to improve speed and accuracy of criminal background checks Collaborate with cross-functional teams to implement and improve search functionalities Ensure data integrity and compliance with legal and privacy requirements Participate in architecture discussions and contribute to technical decision-making Mentor junior engineers and promote best practices within the team Troubleshoot and resolve complex issues in production environments Work closely with product managers and other stakeholders to define and implement new featuresWhat you bring:5+ years of full-stack software development experience Strong proficiency in at least one of Ruby (preferred), Python, or Golang Experience with large-scale data processing and search algorithms Solid understanding of database systems, both SQL and NoSQL Familiarity with cloud technologies (preferably AWS) Knowledge of security best practices and data privacy concerns Experience with microservices architecture and RESTful APIs Strong problem-solving skills and attention to detail Excellent communication skills and ability to work in a collaborative environmentNice to have:Basic knowledge of machine learning concepts and their applications in search and data processing Proficiency in React, Angular, or similar frontend technologiesWhat 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, home office stipendAt 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. In-office perks are provided, such as lunch four times a week, a commuter stipend, and an abundance of snacks and beverages. One of Checkrs core values is Transparency. To live by that value, weve made the decision to disclose salary ranges in all of our job postings. We use geographic cost of labor as an input to develop ranges for our roles and as such, each location where we hire may have a different range. If this role is remote, we have listed the top to the bottom of the possible range, but we will specify the target range for an exact location when you are selected for a recruiting discussion. For more information on our compensation philosophy, see our website. The base salary range for this role is $148,637 to $201,097 in Denver, CO. 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. Checkrs 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 Franciscos Fair Chance Ordinance.