Machine Learning Engineer II, Search

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Mid-Senior Machine Learning Engineer, Search

San Mateo, CA

Do you want to join a Machine Learning team committed to personalizing the PlayStation experience for hundreds of millions of users? We deliver impactful ML models and systems that serve an increasingly dynamic and personal experience! The Machine Learning Engineers within the DTIS group will deliver optimized interactions across PlayStation experiences and systems by designing, coding, training, deploying, and evaluating very large-scale machine learning systems.

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

You Will:

• Design and develop various machine learning and deep learning models and systems for high-impact consumer-facing applications such as search retrieval and ranking, content personalizations, and product recommendations.

• Work with a broad spectrum of state-of-the-art machine learning and deep learning technologies in the areas of recommendation systems.

• Create metrics and design A/B test plans to evaluate model performance offline and online to inform and convey our impacts to diverse groups of stakeholders.

• Collaborate with cross-functional teams of technical members and non-technical members in architecture, design, and code implementations.

• Analyze and produce insights from a large amount of dynamic structured and unstructured data using modern big data technologies.

• Produce reusable code and conduct peer code reviews according to standard methodologies in Python.

You Bring:

• Advanced degree (Master’s or Ph.D.) in CS/Statistics/Data Science, specializing in machine learning.

• Industry work experience in designing and implementing large-scale search retrieval, ranking models.

• Proven track record of successfully delivering large-scale commercial machine learning products from conception to production.

• Experience with Python, and ideally also Scala or Java, proficient with ML frameworks such as Tensorflow, PyTorch, MLlib.

• Experience in developing a variety of ML models using structured and unstructured data.

• Industry experience in A/B testing.

• Strong communication skills, both verbal and written, with the ability to convey complex technical concepts to stakeholders with limited knowledge of ML/AI.

• Experience with software engineering principles, modern ML tech stacks, and use of Databricks, Snowflake, and cloud services like AWS for machine learning development and deployment.

• Excellent problem-solving skills, with the ability to navigate through ambiguity to drive results.

Preferred Qualifications:

• Experience in developing personalized search systems.

• Experience with LLM applied in search or recommendation systems.

• Experience in standard methodologies in large-scale DL training/Inference.

• Experience in cloud-based environments, such as AWS.

• Experience working with custom ML platforms.

• Experience working on critical and consumer-facing ML applications.

• Proactive self-starter with experience working in fast-paced environments.

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At SIE, we consider several factors when setting each role’s base pay range, including the competitive benchmarking data for the market and geographic location.

Please note that the base pay range may vary in line with our hybrid working policy and individual base pay will be determined based on job-related factors which may include knowledge, skills, experience, and location.

In addition, this role is eligible for SIE’s top-tier benefits package that includes medical, dental, vision, matching 401(k), paid time off, wellness program and coveted employee discounts for Sony products. This role also may be eligible for a bonus package. Click here to learn more.

The estimated base pay range for this role is listed below.
$187,400—$281,200 USD

Please note, Sony Interactive Entertainment conducts background checks at the offer stage for all new employees (which may include criminal background checks for some roles) and will need to process personal information to support these checks.

Please refer to our Candidate Privacy Notice for more information about what personal information we collect, how we use it, who we share it with, and your data protection rights.

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.

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