Senior Machine Learning Engineer - Ranking jobs in United States
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QuinStreet ยท 3 days ago

Senior Machine Learning Engineer - Ranking

positionUnited States
timeFull-time
remoteRemote
senioritySenior Level
money$140K/yr - $170K/yr
date5+ years exp

QuinStreet is a pioneer in powering decentralized online marketplaces that match searchers and consumers with brands. The role involves advancing algorithms for ordering, prioritization, and personalization, focusing on ranking systems to enhance user experience and business objectives.

AdvertisingInternetMarketing
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Work & Life Balance
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H1B Sponsor Likelynote

Responsibilities

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
Build high-value signals and features with reliable offline/online pipelines and robust monitoring. Incorporate content understanding signals such as text/image/metadata
Make uncertainty-aware decisions; handle drift and calibration so models remain stable and trustworthy over time
Partner with Engineering, Product, Business and Analytics to ship resilient solutions end-to-end

Qualification

Applied MLStatisticsOptimizationPythonLarge-scale datasetsDistributed systemsProduction MLFeature/signals pipelinesExperimentationMetrics designClear communicationCross-functional collaborationOwnership mindset

Required

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

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

Benefits

Health care benefits
Retirement benefits
The amount of paid days off (paid sick leave, parental leave, paid time off, or vacation benefits)
Any other tax-reportable benefits

Company

QuinStreet

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QuinStreet is an online performance marketing company providing technologies for businesses to identify their targeted audiences.
dateFounded in 1999
location
Foster City, California, USA
people-size501-1000 employees
web-link
http://www.quinstreet.com

H1B Sponsorship

QuinStreet has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (24)
2024 (31)
2023 (19)
2022 (40)
2021 (22)
2020 (14)

Funding

Current Stage
Public Company
Total Funding
$40M
Key Investors
MUFG Bank
2026-01-02Post Ipo Debt
2010-02-11IPO
2007-03-15Series Unknown

Leadership Team

D
Douglas Valenti
CEO & Founder

Recent News

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QuinStreet Closes Acquisition of HomeBuddy
2026-01-05
MarketScreener
QuinStreet enters into senior secured credit agreement - SEC filing
2026-01-03
Coverager - Insurance news and insights
MS Transverse Insurance Group
2025-12-24
Company data provided by crunchbase