Hiring: Principal Software Engineer, Algorithmic Traffic Acquisition Company: CarGurus Location: Boston, MA Job Posted Time: 2026-09-03 11:11:37 Employment Type: Hybrid Target Skills & Keywords : C#, Event-Driven, Java, Kotlin, Machine Learning, Python, SQL About the job Experience: •10+ years of software engineering experience building and operating large-scale, customer-facing systems. Required Skills: •Set the technical direction for our recommendation platform and drive architecture across multiple teams. •Build scalable recommendation systems using shopper, vehicle, inventory, and behavioral signals. •Partner with Data Science to productionize models and continuously improve recommendation quality. •Drive personalization, ranking, experimentation, and AI-powered recommendation experiences throughout the shopper journey. •Lead complex, cross-functional initiatives from technical design through delivery and measurement. •Improve the reliability, scalability, observability, and operational excellence of recommendation services. •Influence technical decisions across the organization, mentor engineers, and raise the engineering bar through design and code reviews. •Leverage AI-assisted development to accelerate delivery while maintaining high standards for quality, security, and reliability. Qualifications: •Bachelor's degree in Computer Science, Engineering, or similar field. Compensation: •$170,000 - $212,000 / year Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!