Principal ML Engineer — Personalization & Matchmaking AI
Riot Games
Riot Games in Los Angeles seeks a Principal Machine Learning Engineer for the Publishing Platform Data team to define modeling architecture powering personalization, matchmaking, and social experiences. You’ll partner with Product, Data Engineering, and Software Engineering to transform large-scale data into fair, player-centric AI systems that shape how players connect and discover communities. You will mentor senior engineers and set cross-team AI standards. #J-18808-Ljbffr Riot Games
$292.3k
...automation, machine learning ("ML"), artificial intelligence ("AI"), and experimental design... ...data-powered products.As a Principal Machine Learning Engineer on the Publishing Platform Data... ...architecture that powers personalization, matchmaking, and social experiences across...SuggestedTemporary workLocal areaFlexible hours- Riot Games is seeking a Staff Machine Learning Engineer embedded in League of Legends to build applied ML systems that directly improve player experience. You will work across personalization, game systems, and matchmaking, partnering with product, design, Insights, and...Suggested
- ...ESPN Product & Technology is seeking a Principal Machine Learning Engineer to own the architecture and strategic direction of the N&E ML Platform across a large, complex problem... ...drive step-function improvements in personalization, recommendations, and ML infrastructure...Suggested
$207.4k - $278.1k
...global organization of engineers, product developers,... ...assurance, engineering behind personalization,commerce, lifecycle,... ...LearningThe N&E ML team is responsible for... ...brands.Job Summary:As a Principal Machine Learning... ...industry trends in ML, AI, and data engineering....Suggested$292.3k
ML engineers at Riot own the full lifecycle of machine learning in production — from problem... ...for making great games. The Role As a Principal AI/ML Platform Engineer for League of... ...your past studies, experience, and your personal relationship with games. If you embody...SuggestedTemporary workLocal areaFlexible hours- Mistplay is seeking a Staff Machine Learning Engineer to lead the design and optimization of our rewards economy.... ...maintaining cost-effectiveness, collaborating with Data and AI to advance real-time predictive modeling and ML-driven operations. You'll drive ML-driven rewards...
- Xsolla is seeking a Principal Machine Learning Engineer to lead a global ML organization, architect advanced ML solutions, and mentor junior engineers around the... .... The candidate will influence the future of ML/AI in the video game industry, lead complex projects, and...
- Escalon Services, Inc. is seeking a junior-level Machine Learning Engineer in Santa Monica to design and implement intelligent systems... ...based data for future action prediction and semantic matching in a hands-on, in-person setting. #J-18808-Ljbffr Escalon Services, Inc.
- ...dedicated to treating the whole person, not just the symptoms. We... ..., this role owns the applied AI and ML solutions that determine what... ...advanced recommendation engines and retrieval models, applying... ...standards for AI safety, and making principal decisions about how machine...Full timeLive inCurrently hiringImmediate startRemote workHome office
$150k - $250k
...greener future for global freight.Senior ML Ops Engineer (Machine Learning Infrastructure)... ...robust platforms that unlock innovation in AI and robotics, we’d love to work with you... ...commitment, Parallel Systems will ensure that persons with disabilities are provided...Local areaShift work$229.2k - $319.5k
...Staff Machine Learning Engineer embedded into League of... ...work could span across personalized player experiences, in-game systems, and matchmaking. You will report to the Senior Manager, ML Engineering in Tech Foundations... ...with responsible AI practices, including fairness...Local areaImmediate startFlexible hours- ...Responsibilities Lead AI/ML workflows, MLOps, automation, self-healing pipelines, and deployment standards for League of Legends... ...standards for production ML systems. Mentor senior and staff-level engineers, coach developers across disciplines, and contribute to...Full timeTemporary workFlexible hours
- Riot Games, headquartered in Los Angeles, seeks a Principal AI/ML Platform Engineer for League of Legends. You will set ML platform strategy, drive tooling and operational standards, and empower teams to deploy and operate player-facing ML experiences at global scale. You...
$292k - $417.2k
...Learning team at Tubi drives the innovation behind personalized user experiences. With the largest inventory... ...are seeking a Director of Machine Learning Engineering and Infrastructure to lead a hybrid team bridging advanced ML engineering with world-class infrastructure...Full timeTemporary workLocal areaFlexible hours- Riot Games is seeking a Principal AI/ML Platform Engineer for League of Legends to set ML platform strategy, enable teams to build, launch, and operate ML experiences, and shape product direction across games. You will mentor engineers and collaborate with data scientists...
$132k - $165k
...flexible work model that combines both in-person and remote work to boost collaboration,... ...industry together! Machine Learning Engineer, Applied AI As a MLE you'll join the Product... ...team and work across the full applied ML stack - deploying models, building the...Work at officeRemote workWork from homeWorldwideHome officeFlexible hours- Riot Games seeks a Principal AI/ML Platform Engineer for League of Legends to define ML platform strategy and drive scalable, secure ML systems. You will guide automation, serving architectures, and cross-team collaboration to enable rapid deployment and operation of ML...
$209.9k - $293.4k
Riot’s Data Engineers harness petabytes of data and state-of-the-art processing technologies to build products that elevate the player... ...teams to improve the lives of millions of players worldwide.As a Principal Data Engineer supporting Riot’s Central Product Insights, you...Local areaWorldwideFlexible hours$228.7k - $306.7k
Job Posting Title:Senior Principal Machine Learning Engineer, Ad PlatformsReq ID:10150390Job Description:Technology... ...including Machine Learning and AI patterns, platforms and infrastructure... ...leadership skills to unblock and guide our ML and Research teams to create scalable,...Full time$229k - $343k
...Saturn, and other digital services.Snap Engineering teams build fun and technically sophisticated... ...by raising the bar for engineering and ML excellence, developing talent, and... ...Snap Inc. we believe that being together in person helps us build our culture faster, reinforce...Full timeLive inWork at officeLocal area$145.6k - $240.24k
...maintenance of machine learning models. The MLOps Engineer will play an integral role in implementing... ...integration, automation, and scaling of AI solutions within the existing... ...and reliability.Develop end-to-end scalable ML infrastructure using cloud platforms, such...Full timeWork experience placementLocal area$209k - $313k
...digital services.Snap’s Generative ML Platform team builds cutting-edge AI technologies that power creative,... ...bring ideas to life, while advancing personalized, human-centric experiences across... ...re looking for a Machine Learning Engineer to join our Generative ML team!...Full timeLive inWork at officeLocal areaWorldwide$209k - $313k
...and other digital services.Snap Engineering teams build fun and... ...millions of SnapchattersApply modern ML techniques to solve large-scale... ...launch ML-driven featuresUtilize AI tools to design and ship... ...believe that being together in person helps us build our culture faster...Full timeLive inWork at officeLocal area$201.68k - $322.69k
...succeed as a Machine Learning Engineer at Capital Group” We are looking... ...delivers it. You will join the AI Insights team. We build the insight... ...underneath it. “I am the person Capital Group is looking for.”... ...simplest thing that works. Applied ML and Generative AI experience in...Full timeTemporary workLocal areaFlexible hours$229.2k - $319.5k
Riot engineers bring deep knowledge of specific technical areas but also value the opportunity... ...building the next generation of its ML Platform to support AI and machine learning systems across... ...past studies, experience, and your personal relationship with games. If you...Local areaFlexible hours$229k - $343k
...digital services.Snap’s Generative ML Platform team builds cutting-edge AI technologies that power creative,... ...bring ideas to life, while advancing personalized, human-centric experiences across... ...re looking for a Machine Learning Engineer to join Snap Inc!What you’ll do:...Full timeLive inWork at officeLocal areaWorldwide$229k - $343k
...other digital services.Snap Engineering teams build fun and technically... ...the relevance, quality, personalization, and utility of search results... ...mentor engineers working on ML ranking systemsStay current with... ...systems, ads ranking, generative AI, LLM-based ranking, and...Full timeLive inWork at officeLocal area$200k - $400k
...Freeformfuturecorp in Los Angeles seeks a Principal Machine Learning Researcher to lead advancements in AI-native manufacturing systems. This role involves developing... ...salary range of $200,000-$400,000, with in-person collaboration emphasized. #J-18808-Ljbffr...$100k - $120k
...Machine Learning Engineer Application Deadline: 30 September 2026 Department: Recruiting Done... ...systems at the intersection of AI, XR, robotics, autonomy, and spatial computing... ...behavioral datasets. This is a junior-level, in-person role suited for candidates with 2–3 years...Full timeInternshipFlexible hours$130k - $160k
...ABOUT YOU We're seeking a Lead AI/ML Engineer to architect and scale our data infrastructure supporting personalization, churn prediction, and recommendation systems across Xsolla's global gaming commerce platform. You'll lead the design and optimization of ML algorithms...Full timeWorldwide
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal ML Engineer — Personalization & Matchmaking AI. Be the first to apply!
- project engineer assistant project manager Los Angeles, CA
- principal data engineer Los Angeles, CA
- principal cloud engineer Los Angeles, CA
- director data engineering Los Angeles, CA
- principal developer Los Angeles, CA
- senior principal engineer Los Angeles, CA
- hotel chief engineer Los Angeles, CA
- civil engineer project manager Los Angeles, CA
- senior civil engineer project manager Los Angeles, CA
- senior chief engineer Los Angeles, CA


