Principal Applied Scientist jobs in United States
cer-icon
Apply on Employer Site
company-logo

Viant Technology · 2 days ago

Principal Applied Scientist

Viant Technology is a leader in CTV and AI-powered programmatic advertising, dedicated to driving innovation in digital marketing. They are seeking a Principal Applied Scientist to lead AI strategy, drive high-impact research in machine learning, and mentor a team of applied scientists and engineers, focusing on developing and deploying advanced AI models.

AdvertisingConsultingCreative AgencyInternetMarketingSocial Media
check
H1B Sponsor Likelynote

Responsibilities

Lead and Define AI Strategy – Set the vision for applied ML research and AI-driven decision-making across Viant’s products and services
Drive High-Impact Research – Conduct advanced research in NLP, RL, LLMs, and deep learning, publishing in top-tier conferences while applying findings to real-world production systems
Architect and Deploy ML at Scale – Develop, optimize, and deploy high-throughput, low-latency ML models, collaborating with engineers to bring solutions into production
Innovate in Generative AI & Causal ML – Explore novel AI techniques, such as LLMs, reinforcement learning, and causal inference, to enhance targeting, personalization, and attribution models
Experimentation and Validation – Design, run, and analyze A/B experiments to test ML-driven strategies, ensuring data-driven decision-making
Mentor and Influence – Provide technical leadership for a team of applied scientists and ML engineers, fostering a culture of innovation and excellence

Qualification

Machine LearningDeep LearningNatural Language ProcessingAI StrategyPythonTensorFlowPyTorchCloud ML PlatformsPublicationsReinforcement LearningGenerative AITechnical LeadershipMentoring

Required

7+ years of experience building and deploying machine learning models at scale
Demonstrated ability to lead complex, high-ambiguity ML projects from research to production
Masters + At least two peer-reviewed publications in deep learning, NLP, or a related AI domain or a PhD in Computer Science, Machine Learning, Statistics, or a related quantitative field
Strong foundation in deep learning, NLP, generative AI, and causal inference
Proficiency in Python and deep learning frameworks (TensorFlow, PyTorch, LangChain, Llama Index)
Experience with distributed computing, cloud ML platforms (AWS, GCP, or Azure), and real-time AI inference

Preferred

Publications at top-tier ML/NLP conferences (NeurIPS, ICML, ICLR, ACL, EMNLP, NAACL, AAAI)
Experience in digital advertising, real-time bidding, or audience modeling
Hands-on experience with LLMs and multimodal AI applications
Strong background in reinforcement learning, dynamic pricing, or recommendation systems

Benefits

Fully paid health insurance
Paid parental leave
Unlimited PTO

Company

Viant Technology

twittertwittertwitter
company-logo
Viant Technology Inc. (NASDAQ: DSP) is a leader in AI-powered programmatic advertising, dedicated to driving innovation in digital marketing.

H1B Sponsorship

Viant Technology 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 (15)
2024 (9)
2023 (13)
2022 (7)
2021 (5)
2020 (9)

Funding

Current Stage
Public Company
Total Funding
unknown
2021-02-09IPO
2016-02-11Acquired
1998-11-01Private Equity

Leadership Team

leader-logo
Tim Vanderhook
Co-Founder and CEO
linkedin
leader-logo
Chris Vanderhook
Co-Founder, Chief Operating Officer
linkedin
Company data provided by crunchbase