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Lead Machine Learning Engineer, Entry and Re-engagementParamount Global Services • United States
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Lead Machine Learning Engineer, Entry and Re-engagement

Paramount Global Services
  • US
    United States
  • US
    United States
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About

Lead Machine Learning Engineer, Entry and Re-engagement
Technology New York Full-Time Fully Remote #WeAreParamount on a mission to unleash the power of content… you in? We've got the brands, we've got the stars, we've got the power to achieve our mission to entertain the planet – now all we're missing is… YOU! Becoming a part of Paramount means joining a team of passionate people who not only recognize the power of content but also enjoy a touch of fun and uniqueness. Together, we co-create moments that matter – both for our audiences and our employees – and aim to leave a positive mark on culture. Senior Lead Machine Learning Engineer, Entry & Re-engagement Overview We are looking for a Senior Lead Machine Learning Engineer for the Entry pod. This team owns the high stakes surfaces that establish whether a user stays or bounces within seconds of opening the app. You will lead the ML strategy for Onboarding, Re-entry, and High-Commitment Recommendations, including core features like "Your Next Watch", "Jump Back In", and "While You Were Away". The technical task of this pod is optimizing start rates under high uncertainty. You will design systems that oversee the "cold start" problem for new users and the "intent gap" for returning users. Because these surfaces share similar failure modes such as over-indexing on recency or failing to surface "must-watch" content. You will architect an unified approach to re-engagement that balances historical preference with real-time context. The Entry pod owns the "Moment of Truth." In this role, you will directly shape: The First Touchpoint: Building the onboarding models that turn a first-time visitor into a long-term subscriber. The Re-entry Loop: Perfecting the "Jump Back In" experience to ensure users can resume their journey with zero friction. High-Stakes Discovery: Owning "Your Next Watch" (YNW), the primary engine for transitioning a user from a finished series into their next obsession. Key Responsibilities Entry Pod: Contribute to the technical vision for re-engagement and onboarding, leading a pod of senior engineers to deliver high-impact production models. Optimize Re-entry Surfaces: Architect models for "Jump Back In" (JBI) and "While You Were Away" (WYWA) that account for temporal decay, episode progress, and cross-device signals. Solve the Cold Start Problem: Develop advanced onboarding algorithms that use minimal metadata and global trends to provide high-quality recommendations to new users immediately. Architect Hybrid Retrieval Systems: Develop multi-stage retrieval pipelines that successfully merge traditional feature-driven methods with semantic vector search, ensuring seamless integration with downstream ranking models for optimal performance. Design High-Commitment Ranking: Lead the development of the "Your Next Watch" (YNW) engine, optimizing for long-form commitment rather than just a click. Model Uncertainty: Implement exploration/exploitation strategies to navigate the uncertainty of user intent during app entry. Unified Success Metrics & System Performance: Define and optimize for Start Rate, Time to Play, and Day-1 retention. Beyond business KPIs, you will own the system-level Service Level Objectives (SLOs), ensuring high throughput and low-latency delivery of recommendations in production. Basic Qualifications 6-8+ years of experience in machine learning engineering, specifically in ranking, retrieval, or reinforcement learning. Cold Start Experience: Proven experience building recommendation systems that perform under data sparsity or for "new-to-system" entities. Advanced Ranking: Deep knowledge of multi-stage ranking, learning-to-rank (LTR), and handling temporal features in real-time. High-Throughput Engineering: Deep expertise in designing and deploying scalable hybrid retrieval architectures capable of processing massive interaction volumes in real-time. Rigorous Experimentation: Proficiency in A/B testing and the design of complex online metric frameworks, including primary, secondary, and guardrail indicators to validate model impact. Data Infrastructure: Proficiency in leveraging modern processing frameworks like Spark, Beam, or BigQuery to engineer features and productionize machine learning models at massive scale. Cross-Functional Management: Demonstrated ability to drive technical initiatives collaboratively with Product, Engineering, and Data Science partners to deliver on shared business objectives. Technical Focus: Mastery of Python, Neural networks (Pytorch, tensorflow, JAX), Distributed systems (Ray or Spark), Orchestration (e.g., Airflow, Argo Workflows), MLOps (MLFlow/ Weights and Biases), DevOps (Docker, Kubernetes), Ranking, Search, Recommender systems, Java (nice to have), and Serving Frameworks (Nvidia Triton). Mentorship: Experience mentoring junior engineers or leading technical initiatives, with a track record of spearheading complex ML projects from research to global production. Additional Qualifications Experience with Sequential/Session-based models (RNNs, Transformers, Recommendation Systems, Search, Ranking) for predicting the "next" best action. Background in Exploration/Exploitation (Bandits) for handling user uncertainty. Knowledge with Causal Inference to distinguish between organic re-entry and model-driven lift. Experience in high-scale consumer tech (Streaming, E-commerce, or social media). Advanced proficiency in re-ranking methodologies focused on balancing content diversity with top-tier relevance. Paramount Streaming, a division within Paramount Global, is the home to the company's direct-to-consumer services spanning free and paid in the form of Pluto TV and Paramount+. Pluto TV is the global leader in free ad-supported TV, delivering more than 1,400 global channels and an extensive library of streaming content, including live and original channels. Paramount+, digital subscription video-on-demand and live streaming service, combines live sports, breaking news, and A Mountain of Entertainment™. Paramount+ features an expansive library of original series, hit shows and popular movies across every genre from world-renowned brands and production studios, including SHOWTIME®. Hiring Salary Range: $156,800.00 - 235,200.00. The hiring salary range for this position applies to New York, California, Colorado, Washington state, and most other geographies. Starting pay for the successful applicant depends on a variety of job-related factors, including but not limited to geographic location, market demands, experience, training, and education. The benefits available for this position include medical, dental, vision, 401(k) plan, life insurance coverage, disability benefits, tuition assistance program and PTO or, if applicable, as otherwise dictated by the appropriate Collective Bargaining Agreement. This position is bonus eligible. What We Offer: Attractive compensation and comprehensive benefits packages. Generous paid time off. An exciting and fulfilling opportunity to be part of one of Paramount's most dynamic teams. Opportunities for both on-site and virtual engagement events. Unique opportunities to make meaningful connections and build a vibrant community, both inside and outside the workplace. Paramount is an equal opportunity employer (EOE) including disability/vet. At Paramount, the spirit of inclusion feeds into everything that we do, on-screen and off. From the programming and movies we create to employee benefits/programs and social impact outreach initiatives, we believe that opportunity, access, resources and rewards should be available to and for the benefit of all. Paramount is proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ethnicity, ancestry, religion, creed, sex, national origin, sexual orientation, age, citizenship status, marital status, disability, gender identity, gender expression, and Veteran status. If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to use or access https://www.paramount.com/careers as a result of your disability. You can request reasonable accommodations by calling 212.846.5500 or by sending an email to paramountaccommodations@paramount.com. Only messages left for this purpose will be returned.
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