QuinStreet
Senior Machine Learning Engineer – Ranking
USARemotePosted 1 month ago
Full TimeSeniorRemoteUS
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Job Description
Powering Performance Marketplaces in Digital MediaQuinStreet is a pioneer in powering decentralized online marketplaces that match searchers and “research and compare” consumers with brands. We run th
Key Highlights
- The direct measurability of digital media.
- Performance marketing. (We pioneered it.)
- The advantages of technology.
- Design and improve ranking systems through rigorous measurement and experimentation; translate broad goals into clear metrics and deliver steady, validated gains.
- Advance evaluation practices (clean test design, offline & online alignment) and help teams make evidence-based decisions.
Qualifications
Required Qualifications
- Advanced degree (MS/PhD) in CS, Statistics, or related field, with 3+ years post-PhD or 5+ years industry experience.
- Strong foundations in applied ML, statistics, and optimization with demonstrated impact in ranking/recommendations.
- Proficiency in Python and solid software engineering practices (testing, CI/CD).
- Experience working with large-scale datasets, distributed systems, and latency-sensitive production ML.
- Clear communication, cross-functional collaboration, and an ownership mindset.
Preferred Qualifications
- Demonstrated success in delivering production-grade ranking systems with measurable business impact.
- Track record building feature/signals pipelines, feature stores, and observability for ML systems.
- Depth in experimentation and metrics design, including large-scale A/B testing and variance reduction.
- Familiarity with monitoring, calibration, concept drift detection, and adaptive or online learning.
- Proficiency in SQL is desired.
- Knowledge about Linear Algebra, Combinatorial optimization is desired.
- Proficiency in scalable software design and development.
- Exposure to multimodal signals (text/image/metadata) is a plus, not required.
Skills & Technologies
PythonCI/CDSQL
About the Company
QuinStreet
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Job Details
Employment Type
Full Time
Experience Level
Senior
Location
USA
Work Mode
Remote
Posted
1 month ago
Country
US