Machine Learning Engineer II

6 Hours ago • 3-5 Years

About the job

SummaryBy Outscal

About the job:
As a Machine Learning Engineer II at PlayStation, you'll be part of a team dedicated to enhancing the PlayStation experience for millions of users and creators. You'll design, implement, and deploy machine learning and deep learning models and systems for various applications, including online safety detection, AI-powered agents, and computer vision-driven automation. This role involves working with a wide range of cutting-edge machine learning technologies and applying your expertise to improve user interactions and optimize platform performance. You'll be responsible for the entire machine learning development cycle, including data collection, preprocessing, model training, evaluation, and deployment, ensuring accuracy, efficiency, and scalability. Additionally, you'll stay updated on the latest advancements in machine learning and AI research and collaborate with cross-functional teams to implement these innovations. This position offers the opportunity to contribute to the development and execution of PlayStation's overall AI strategy, influencing product roadmaps and shaping the future of gaming.
Must have:
  • Advanced degree in Computer Science/Statistics/Data Science with specialization in Machine Learning
  • Strong programming skills in Python, Java, Scala, with proficiency in ML libraries like TensorFlow, PyTorch, PySpark
  • Proven track record of delivering large-scale commercial ML products
  • Expertise in various ML algorithms, such as supervised, unsupervised learning, reinforcement learning, NLP, and computer vision
  • Hands-on experience with applying Generative AI technology to solve business problems
  • Experience with software engineering principles and big data stacks like Spark
  • Experience using cloud services like AWS or GCP for ML development and deployment
  • Effective communication skills to convey ML concepts to non-technical stakeholders
Good to have:
  • Experience in Databricks, Snowflake, Seldon, mlFlow, PySpark, Kubeflow, Tecton
  • Hands-on experience in vector databases, RAG, open-source LLM models
  • Experience in building large-scale online customer-facing ML inference microservices
  • Experience with large-scale unstructured data (e.g., audio, images, documents) manipulation and processing
  • Contributions to the ML community through publications, open-source projects, or presentations
  • Experience working with custom ML platforms and monitoring of ML models
  • Familiarity with ethical considerations and best practices in ML, including fairness, accountability, and transparency

Why PlayStation?

PlayStation isn’t just the Best Place to Play — it’s also the Best Place to Work. Today, we’re recognized as a global leader in entertainment producing The PlayStation family of products and services including PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, acclaimed PlayStation software titles from PlayStation Studios, and more.

PlayStation also strives to create an inclusive environment that empowers employees and embraces diversity. We welcome and encourage everyone who has a passion and curiosity for innovation, technology, and play to explore our open positions and join our growing global team.

The PlayStation brand falls under Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Corporation.

Mid-Level Machine Learning Engineer

London, UK

Do you want to join a Machine Learning team committed to enhancing the PlayStation experience for hundreds of millions of users and creators? The work we do delivers impactful insights to build an increasingly dynamic and interactive experience! The Machine Learning Engineers within the platform engineering group will deliver optimized interactions across PlayStation experiences and systems by designing, coding, training, documenting, cost-effectively deploying and evaluating very large-scale machine learning and AI systems.

We are looking for someone who can build delightful products and experiences for millions, in an agile environment, collaborating with teams-across Engineering and Product. Further, you will be immersed in groundbreaking ML/AI technologies, tools and processes, as you help to advance our technical objectives and architectural initiatives.

You Will:

  • Design, implement and deploy various machine learning and deep learning models and systems for high impact consumer and enterprise applications ranging from online safety detections, LLM-enabled agents, to Computer-vision-driven operation automation, decision optimization and more.
  • Work with a broad spectrum of state-of-the-art machine learning and deep learning technologies, in the areas of Computer Vision(CV), Natural Language Processing(NLP), Reinforcement Learning, Time Series Forecasting, as well as Generative AI such as Large Language Models.
  • Implement the full machine learning development cycle, including data collection, preprocessing, feature engineering, model training, evaluation, and deployment, and conduct rigorous testing and validation to ensure accuracy, efficiency, and scalability
  • Create metrics to evaluate model performance and help the tech lead convey our impacts to product and business partners
  • Stay current with the latest advancements in machine learning and AI research and technology, and integrate relevant innovations into our products and services.
  • Work as ML/AI technical lead in complex product development effort, interfacing and collaborating with leaders from cross-functional teams, and representing ML/AI team in communication with key stakeholders and/or senior leadership. 
  • Thought-lead and influence technology strategy and product roadmap through ML/AI lens, contributing into the development and execution of overall ML/AI strategy. 

You Bring:

  • Advanced degree (Master’s or Ph.D.) in Computer Science/Statistics/Data Science, specializing in machine learning or equivalent experience
  • Strong programming skills in languages such as Python, Java, Scala, with proficiency in machine learning libraries and frameworks like TensorFlow, PyTorch, PySpark, etc
  • Proven track record of successfully delivering large-scale commercial machine learning products from conception to production
  • Excellent problem-solving skills and comfortable with ambiguity in projects
  • Expertise in a variety of machine learning algorithms, such as supervised and unsupervised learning, reinforcement learning, NLP, and computer vision
  • Hands-on experience with applying Generative AI technology to solve business problem
  • Experience with software engineering principles, big data stacks such as spark, and use of cloud services like AWS, or GCP for machine learning development and deployment
  • Effective communication to convey ML concepts to non-tech stakeholders

Preferred Qualifications:

  • Experience in Databricks, Snowflake, Seldon, mlFlow, PySpark, Kubeflow, Tecton
  • Hands-on experience in vector databases, RAG, open-source LLM models
  • Experience in building large-scale online customer-facing ML inference microservices
  • Experience with large-scale unstructured data (e.g., audio, images, documents, etc.) manipulation and processing 
  • Contributions to the machine learning community through publications, open-source projects, or presenting in conferences and workshops
  • Experience working with custom ML platforms and monitoring of ML models
  • Familiarity with ethical considerations and best practices in machine learning, including fairness, accountability, and transparency 

#LI-KS1

Equal Opportunity Statement:

Sony is an Equal Opportunity Employer. All persons will receive consideration for employment without regard to gender (including gender identity, gender expression and gender reassignment), race (including colour, nationality, ethnic or national origin), religion or belief, marital or civil partnership status, disability, age, sexual orientation, pregnancy, maternity or parental status, trade union membership or membership in any other legally protected category.

We strive to create an inclusive environment, empower employees and embrace diversity. We encourage everyone to respond. 

PlayStation is a Fair Chance employer and qualified applicants with arrest and conviction records will be considered for employment.

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About The Company

Want to take your career to the next level? Search open job vacancies at any of the Sony Interactive sites by visiting playstation.com/careers/


Sony Interactive Entertainment pushes the boundaries of entertainment and innovation, starting from the launch of the original PlayStation in Japan in 1994. Today, we continue to deliver innovative and thrilling experiences to a global audience through our PlayStation line of products and services that include generation-defining hardware, pioneering network services, and award-winning games. Headquartered in San Mateo, California, with global functions in California, London, and Tokyo, and game development studios around the world as part of PlayStation Studios, we believe that the power of play is borderless. Sony Interactive Entertainment is a wholly owned subsidiary of Sony Group Corporation.  


For more information about our company, please visit SonyInteractive.com. For more information about PlayStation products, please visit PlayStation.com.

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