Nexxen · 4 months ago
Senior Data Scientist (DSP)
New York, NY
Full-time
Onsite
Senior Level
$160K/yr - $210K/yr
5+ years expNexxen is a company focused on transforming advertising through data-driven solutions. They are seeking a Senior Data Scientist to work on optimization and bidding logic for their Demand-Side Platform, utilizing machine learning and large-scale data processing to enhance ad delivery performance.
AdvertisingAdvertising PlatformsMarketing
Responsibilities
Design, implement, evaluate and help deploy machine learning models for bidding, pacing and KPI prediction (Click, Action, Viewability etc)
Analyze large-scale behavioral and performance data using Spark (Scala/PySpark), SQL, and Python
Deep dive into complex, legacy codebases; you should be comfortable navigating and improving existing systems
Collaborate with product managers, engineers, and other data scientists to define problems and deliver end-to-end solutions
Write clear, concise technical documentation and communicate insights effectively across both technical and non-technical stakeholders
Qualification
Required
Masters/Ph.D. in a quantitative field such as Operations Research, Mathematics, Statistics, Industrial Engineering, Mechanical Engineering, Physics, or related field
5+ years of experience in a data science or applied machine learning role, ideally in a high-scale, real-time environment
Proficient with applied machine learning techniques (classification, regression, evaluation metrics, etc.), especially tree-based models like XGBoost
Comfortable navigating large, complex legacy codebases and proposing changes to production systems
Strong programming skills in Python, and SQL
Experience with Scala/Apache Spark for distributed data processing and machine learning at scale
Familiar with Deep Learning using frameworks such as PyTorch/Tensorflow
Strong written and verbal communication skills — able to synthesize technical findings into clear, actionable insights
Self-directed, curious, and able to thrive in a fast-paced and evolving industry
Benefits
Medical
Dental
Vision
Disability insurance
401(k)
EAP
Parental leave
Unlimited vacation
Company-paid holidays
Company
Nexxen
Nexxen is an advertising technology company that provides a unified platform integrating demand-side and supply-side capabilities.
501-1000 employees
H1B Sponsorship
Nexxen 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 (5)
2024 (18)
2023 (6)
Funding
Current Stage
Late StageLeadership Team
Eric Solomon
SVP, Product - Data
I
Irina Katsnelson
Senior Vice President, Sales
Recent News
2026-01-08
2026-01-07
2026-01-07
Company data provided by crunchbase