Senior Machine Learning Engineer - Ranking
Core
Design and improve ranking systems for a performance marketplace to order, prioritize, and personalize ads while balancing user satisfaction and business goals.
Role type
Senior Machine Learning Engineer (Ranking)
Builds
Ranking algorithms, evaluation pipelines, and high-value signals for ad discovery
Domain
Digital Media / Performance Marketing
Deliverable
production ML models
Required skills
Applied ML, statistics, optimization, Python, software engineering, large-scale distributed systems, experimentation design
Preferred skills
Production-grade ranking systems, feature stores, observability, A/B testing, concept drift detection, adaptive learning, SQL, multimodal signals
Technologies
Python, SQL, distributed systems
Responsibilities
Design and improve ranking systems through rigorous measurement and experimentation; Advance evaluation practices (clean test design, offline & online alignment); Build high-value signals and features with reliable pipelines; Make uncertainty-aware decisions; handle drift and calibration; Partner with cross-functional teams to ship resilient solutions
Seniority
Senior, hands-on IC
