Full-Time
Senior Machine Learning Engineering Manager
Posted on 10/31/2025
Quantcast
501-1,000 employees
Delivers audience insights and privacy-compliant ads
No salary listed
London, UK
Hybrid
In-office days are Tuesday, Wednesday, and Thursday.
 AI & Machine Learning (1) |
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 Engineering Management (1) |
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- 8 - 10 years of experience in Applied Science, Data Science, or Machine Learning, with a strong focus on model development and research, including minimum of 3 years in a leadership role managing Machine Learning Engineers or Applied Scientists.
- Deep expertise lies in designing, developing, and deploying complex machine learning models in a production environment, ideally within ad tech, or a similar high-volume, data-intensive domain.
- A strong theoretical and practical understanding of ML algorithms, statistical modeling and experimental design.
- Exceptional leadership, communication, and interpersonal skills, with a proven ability to inspire, influence and align senior stakeholders across scientific, engineering and business functions.
- Highly proficient in programming languages common to data science (e.g. Python, R, Scala) and have experience with large scale data processing (e.g. Spark).
- A Master’s degree or PhD in Computer Science, Machine Learning, Statistics, or related quantitative field is required.
- Assisting the team through the entire model lifecycle, from ideation and experimentation to robust deployment and ongoing optimization.
- Ensuring models are statistically sound, performant, and deliver measurable business value.
- Serving as a key scientific leader and partner to Product Management, Engineering and Commercial teams by educating others on what your team can build, and prioritizing support that your team needs.
- Driving strategic research, experimentation, and the integration of cutting-edge methodologies into our platform.
- Championing growth, providing continuous feedback, and fairly allocating research and development opportunities to maximize individual talent and team potential.
Quantcast offers tools for digital advertising and privacy compliance used by marketers and publishers. Its products include Quantcast Measure, which provides detailed audience insights to understand who is engaging with content, and Quantcast Choice, which helps businesses comply with privacy rules such as GDPR and TCF v2.0. The services work by giving advertisers access to targeting and measurement data and by giving publishers audience analytics to attract advertisers, while also providing a consent and privacy management layer. The company differentiates itself by offering an integrated suite that serves both sides of the market—marketers and publishers—and by combining audience insights with privacy compliance tools in one platform. Its goal is to help clients understand their audiences, optimize advertising campaigns, and navigate privacy regulations.
Company Size
501-1,000
Company Stage
Series C
Total Funding
$65.3M
Headquarters
San Francisco, California
Founded
2006
Simplify's Take
What believers are saying
- Rebecca Rosborough's March 2026 CMO appointment drives AI adtech brand growth.
- Dentsu-Merkury integration validates privacy-safe predictive audiences in 2026.
- APAC expansion with Jordan Khoo VP and Sally Ng MD boosts regional penetration.
What critics are saying
- Google's 2026 cookie phase-out erodes Quantcast's cross-site measurement accuracy.
- Trade Desk's Kokai UID2 captures share from Quantcast's self-serve platform in 12 months.
- Adobe's Privacy Sandbox acquisition bundles superior CDP measurement by late 2026.
What makes Quantcast unique
- Quantcast Measure uses machine learning for audience insights across 100M destinations since 2006.
- Audience Graph AI enables cookieless targeting and predictive audiences for advertisers.
- Quantcast Choice ensures GDPR and TCF v2.0 privacy compliance for publishers.
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Benefits
Paid time off
Paid volunteer time off
Post-pregnancy ramp back program
Paid bereavement leave
Total rewards compensation which includes equity grants
Employee referral bonus program
Catered lunch and fully stocked kitchens (when back working in offices!)
Mobile phone allowance
Flexible work schedules
Wellness and mental health resources
Retirement plans
Learning and development opportunities and resources
Management development programs
Comprehensive health benefits
Growth & Insights and Company News
6 month growth
↑ 0%1 year growth
↓ -5%2 year growth
↓ -7%Quantcast appoints Rebecca Rosborough as chief marketing officer. 3rd March 2026 - Quantcast, the leading AI-powered adtech platform, has appointed Rebecca Rosborough as chief marketing officer In her new role, Rebecca will oversee Quantcast's global brand and communications, while supporting the company's strategic priorities and next stage of growth. Rebecca brings over 20 years of experience driving marketing strategy, building brands, and leading high-performing teams across the US and international markets. She spent five years as CMO at Teads followed by another five years as CMO and executive board member at MiQ, developing deep expertise in programmatic advertising and global marketing strategy. More recently, she has led marketing at SaaS brands including Orange Logic and Frontify. Rebecca's appointment comes at a pivotal moment for Quantcast, as the company continues to expand and evolve its AI-driven adtech platform. With 91% of US advertising agencies using or exploring generative AI and around 85% in Europe, Quantcast's AI-powered capabilities are at the forefront of this shift. Having launched the world's first machine learning audience measurement tool in 2006, Rebecca will play a pivotal role in not just retaining but growing Quantcast's market share in the programmatic space. Konrad Feldman, CEO of Quantcast, commented: "Rebecca brings a wealth of experience across global markets and a deep understanding of the adtech ecosystem. Her knowledge base sits perfectly at the intersection between programmatic adtech and the inner workings of SaaS delivery, which is exactly where the Quantcast brand sits. It quickly became apparent that she's perfectly positioned to help drive Quantcast's next phase of growth over the coming year and I'm confident we'll reap the rewards now she's part of the team." Rebecca Rosborough, CMO of Quantcast, said: "Advertisers don't need more tools - they need measurable outcomes. Quantcast's differentiated, AI-driven platform has delivered on that promise from day one. It brings intelligence and scale together to drive real performance, and I'm excited to help shape what comes next. "Beyond the technology, the people and culture stood out immediately. The team is deeply smart, collaborative, and I'm looking forward to rolling up my sleeves and building alongside them."
SINGAPORE - Quantcast is turning up the volume on its Asia-Pacific ambitions with the appointment of seasoned industry leader Jordan Khoo as Vice President, APAC.
American advertising technology company Quantcast has appointed Sally Ng (pictured) as managing director for North Asia, as part of its expansion in the APAC region.
The deal will see Dentsu integrate its global data and insights platform, Merkury, with Quantcast's next-gen programmatic ad platform to provide predictive audiences to its advertisers in a privacy-safe way.
Quantcast launches ai-driven, cookieless self-serve platform for advertiser accessibility.