NewsBreak · 8 hours ago
Machine Learning Engineer, Recommendation & AI Applications
Mountain View, CA
Full-time
Onsite
Mid, Senior Level
$195K/yr - $230K/yr
3+ years expNewsBreak is a Content Intelligence platform shaping the future content economy with over 40 million monthly active users. They are seeking a Senior Machine Learning Engineer to evolve large-scale recommendation systems and apply AI technologies to real-world production problems, focusing on core feed, retrieval, and ranking systems.
Advertising PlatformsArtificial Intelligence (AI)Content CreatorsSearch Engine
Responsibilities
Design, build, and iterate on high-throughput, low-latency recommendation systems powering NewsBreak’s core feeds
Improve retrieval, ranking, and multi-objective optimization to balance engagement, retention, content quality, and business metrics
Own systems from offline training → online inference → A/B experimentation → metric analysis
Identify and resolve issues related to data quality, model drift, and system performance in production
Apply LLMs and foundation models to recommendation-related problems such as content understanding, user intent modeling, and feature generation
Prototype quickly, validate with experiments, and push successful ideas into production
Embrace AI-assisted development workflows, including LLM-powered coding, debugging, and analysis
Apply AI across feature ideation, prototyping, and experiment analysis
Contribute to 0–1 AI-powered projects, helping take ideas from early exploration to MVP and production
Qualification
Required
3 + years of industry experience building machine learning or recommendation systems in production
Strong understanding of recommendation system fundamentals (ranking, embeddings, user/item modeling, experimentation)
Strong coding skills with Python / Java / Scala, and experience with PyTorch or TensorFlow
Experience working with large-scale data and ML systems (e.g., Spark, distributed training, real-time inference)
Ability to own features end-to-end and deliver measurable business impact
Preferred
Production experience applying AI or LLMs to recommendation systems
Experience contributing to 0 → 1 AI or ML-driven products
Familiarity with AI-assisted development tools and workflows
Benefits
Health, dental, and vision care for you and your family (100% coverage for employee)
Top-tier 401(K) plan with company matching
Paid time off and paid holidays
FSA, HSA and commuter benefits programs
Team activity budget
Company
NewsBreak
NewsBreak is the leading platform that connects people with the information that truly matters, through technology
51-200 employees
H1B Sponsorship
NewsBreak 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 (28)
2024 (6)
2023 (7)
2022 (10)
2021 (18)
2020 (12)
Funding
Current Stage
Growth StageTotal Funding
$147.6MKey Investors
Francisco Partners
2021-01-07Series C· $115M
2019-09-26Series B· $11M
2017-05-11Series B· $7.6M
Leadership Team
Jeff Zheng
Founder & CEO — we are hiring!
Corey Frankel
Strategic Partner Manager
Recent News
Company data provided by crunchbase