Backend Engineer, Paid Ads - Advertiser Platform (Campus Recruitment 2026)

The Engineering and Technology team is at the core of the Shopee platform development. The team is made up of a group of passionate engineers from all over the world, striving to build the best systems with the most suitable technologies. Our engineers do not merely solve problems at hand; We build foundations for a long-lasting future. We don't limit ourselves on what we can or can't do; we take matters into our own hands even if it means drilling down to the bottom layer of the computing platform. Shopee's hyper-growing business scale has transformed most "innocent" problems into huge technical challenges, and there is no better place to experience it first-hand if you love technologies as much as we do.

About the Team:

The Paid Ads team was established in 2016 to provide an e-commerce advertising platform by relying on Shopee’s massive data. Our expertise covers data, high performance AI-based online services, distributed systems, machine learning algorithms, and ads business strategies. The team places a strong emphasis on technology and strives to achieve innovation.

Job Description:

• Develop the marketplace backend system of Shopee Ads to support ads products such as Search, Recommendation and Display ads.


• Design, build and manage Ads systems with high performance, scalability and availability, enhancing Shopee’s infrastructure.


• Improve the platform’s efficiency and stability to cater to the rapid growth of business.  


• Work on the end-to-end project delivery, continuously refactor and optimise implementation of key advertising modules such as ads targeting, recall, and ranking to ensure rapid business development.

Requirements:

• Bachelor’s degree or above in Computer Science, Computer Engineering or other relevant majors.


• Good data structure and algorithm knowledge and system design skills.


• Familiar with at least one of the following general purpose programming languages: Go, C/C++, Java.


• Familiar with Linux based development and commonly used tech components, such as Redis, Kafka, ElasticSearch, Etcd, etc.  


• Strong critical thinking skills and able to formulate solutions for problems in a clear and logical manner.


• Passionate about technical challenges, self-motivated and able to deliver project requirements timely.  


• Good communication skills and an effective team player with a strong sense of ownership.


• Good understanding in ads, search, recommendation, algorithm, backend, large scale systems or data pipelines will be advantageous.