Joining Razer will place you on a global mission to revolutionize the way the world games. Razer is a place to do great work, offering you the opportunity to make an impact globally while working across a global team located across 5 continents. Razer is also a great place to work, providing you the unique, gamer-centric #LifeAtRazer experience that will put you in an accelerated growth, both personally and professionally.
By the end of the internship, you will gain practical experience in the application of data science techniques in recommendation using industry’s best practices and modern data technologies.
Main Tasks & Responsibilities:
Join our Big Data team as a Data Scientist Intern (Personalisation) and work on large-scale AI systems that power personalised product recommendations across Razer.com, Cortex, Synapse, and other platforms. This role sits at the intersection of data engineering, cloud infrastructure, and artificial intelligence.
You will collaborate with data scientist and engineers to:
Develop and enhance AI-driven personalised recommendation systems
Design, implement, and analyse A/B tests at scale
Build ranking models using ML / deep learning techniques
Experiment with embeddings, candidate generation, and re-ranking strategies
Perform large-scale data wrangling and feature engineering
Conduct offline model evaluation and performance benchmarking
Contribute to production pipelines using Airflow and AWS services
Support monitoring, debugging, and optimisation of deployed ML systems
Adopt AI in the workflows above
You will gain exposure to real-world challenges such as:
Cold-start problems
Personalisation at scale
Revenue-driven model optimisation
Latency and infrastructure constraints in production ML systems
Learning Outcome
You will:
Understand and execute the end-to-end ML lifecycle
(Data → Feature Engineering → Model Training → Offline Evaluation → A/B Testing → Model Deployment → Model Monitoring)
Design statistically sound A/B experiments and interpret business impact
Apply recommender system techniques in a real production environment
Write clean, production-ready Python and SQL code
Build scalable cloud-native ML pipelines
Gain hands-on experience with experimentation-driven product development
You will leave with practical experience building AI systems that directly influence revenue.
Pre-requisites:
Passion and interest in using Data Science to drive business impact.
Strong foundational understanding of ML fundamentals and core concepts / architectures.
Have hands-on ML project experience (academic or industry)
Proficiency in Python, SQL and experience with common machine learning frameworks (e.g. TensorFlow, Keras, Sklearn, Pytorch) and LLM-powered workflows and embeddings
Diligent, reliable, strong analytical skills, good communication skills, and teamwork
Experience with cloud technologies (Amazon Web Services, Google Cloud Platform)
Razer is proud to be an Equal Opportunity Employer. We believe that diverse teams drive better ideas, better products, and a stronger culture. We are committed to providing an inclusive, respectful, and fair workplace for every employee across all the countries we operate in. We do not discriminate on the basis of race, ethnicity, colour, nationality, ancestry, religion, age, sex, sexual orientation, gender identity or expression, disability, marital status, or any other characteristic protected under local laws. Where needed, we provide reasonable accommodations - including for disability or religious practices - to ensure every team member can perform and contribute at their best.
Are you game?

Razer™ is the world’s leading lifestyle brand for gamers.
The triple-headed snake trademark of Razer is one of the most recognized logos in the global gaming and esports communities.
With a fan base that spans every continent, the company has designed and built the world’s largest gamer-focused ecosystem of hardware, software and services.
Razer’s award-winning hardware includes high-performance gaming peripherals and Blade gaming laptops. Razer’s software platform, with over 70 million users, includes Razer Synapse (an Internet of Things platform), Razer Chroma™ (a proprietary RGB lighting technology system), and Razer Cortex (a game optimizer and launcher).
In services, Razer Gold is one of the world’s largest virtual credit services for gamers, and Razer Fintech is one of the largest online-to-offline digital payment networks in SE Asia.
Founded in 2005 and dual-headquartered in Irvine and Singapore, Razer has 18 offices worldwide and is recognized as the leading brand for gamers in the USA, Europe and China.