Principal Software Engineer, Ads Format, Level 7

Overview As a Principal Software Engineer on the Ads Format team, you will shape the next generation of ad formats infrastructure to scale, perform, and deliver value for advertisers and users. You’ll lead architectural direction, drive automated serving and A/B testing, and collaborate with product, design, data science, and other engineering teams. You will mentor engineers and advocate for reliable, cost-conscious systems. This role offers impact across ad tech at Snap and a chance to advance privacy-forward, high-availability platforms. Compensation / Benefitspaid parental leavecomprehensive medical coverageemotional and mental health supportequity/RSUscompetitive compensationflexible working arrangements ResponsibilitiesDesign and implement automated ad format serving, optimization, and A/B testing systemsLead vision and strategy for scalable ad formats infrastructureInnovate new ad format ideas aligned with market trends and advertiser needsCollaborate with cross-functional teams to deliver cohesive solutionsAdvocate for availability, scalability, operational excellence, and cost managementMentor engineers and foster technical excellence and continuous learning Key requirementsDeep expertise in building and scaling ad formats or similar user-facing content delivery systemsExcellent programming, software design, debugging, performance analysis, and test design skillsProven track record in operating highly-available systems at scaleAbility to learn new concepts and apply them at workStrong collaboration and mentorship abilitiesAds domain experienceClient-side and full-stack experience preferred10+ years post-Bachelor’s software development experience (or equivalent advanced degree path) and 2+ years in technical leadership or as domain-expertcolavorationmentorshipproblem-solving in ambiguityad formats and delivery systemsdistributed systems architectureperformance optimization and debugging