Meta
Senior Software Engineer · Ads Ranking Infrastructure
- Engineered a low-latency, high-throughput frequency capping platform integrated into Meta's final-stage Dynamic Ads ranking stack — processing real-time impression and offsite conversion signals across batch and near-real-time streaming pipelines at massive scale.
- Designed a policy-driven signal aggregation framework supporting per-user, per-ad, and per-campaign frequency control with dynamic tuning across audience cohorts and signal quality tiers; deployed as a low-latency ranking feature within core ads serving infrastructure without impacting SLAs.
- Delivered $7M+ annualized iRev by applying quantitative analysis of exposure-frequency curves to calibrate cap thresholds and reduce delivery inefficiency at scale.
- Architected an LLM-powered internal diagnostic agent using retrieval over operational logs/metrics and structured tool use to accelerate root-cause analysis for ads delivery issues.