Machine Learning Engineer - Search Ranking

BYTEDANCE PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

ByteDance Singapore is seeking talented engineers to join the Search Ranking Team, a core algorithm group driving search and recommendation experiences for billions of users. You will work on full-stack search engine components, leveraging AI to optimize relevance and efficiency across global platforms.

Responsibilities span ranking models, indexing libraries, and large-scale MoE/ML approaches, with a focus on practical ML and scalable systems.

Qualifications

• Bachelor's degree or higher in computer science or a related field.
• Proficient in C++, Python, or Java with strong algorithm and data-structure skills.
• Solid knowledge of machine learning and practical experience applying it.

Responsibilities

• Design, develop, and optimize search and recommendation algorithms for scalable user experience.
• Work on indexing, recall, sorting, rerank, and mix-rank components at scale.

Skills

Coding skills

Algorithms & data structures

Machine learning

Education

Bachelor's degree or above in computer science or related field

Job description

Responsibilities

About the team The Search Ranking Team is the core algorithm team of our Search business. We are responsible for optimizing user experience in the search and recommendation scenario. We have opened full-link algorithm positions such as indexing, recall, rough sorting, fine sorting, rerank, and mix-rank. Here you'll have the opportunity to build a full-stack search engine system based on advanced AI methods to provide a world leading search engine. We embrace a culture of self-direction, intellectual curiosity, openness, and problem-solving.

Responsibilities Ranking Algorithm:

• 1. Apply cutting-edge information retrieval and machine learning technologies to design, develop, and optimize industry-leading search and recommendation algorithms, to improve end-to-end user experience for billions of users across global platforms.
• 2. Participate in the optimization of trillion-scale index libraries, trillion-parameter models, ultra-long-term user job family modeling, large-scale sparse models, and many other cutting-edge research topics.

LRM (Large Recommendation Model):

• 1. Conduct In-depth research on next-generation ranking models powered by the world knowledge of large models, to bring revolutionary transformation to search and recommendation services.
• 2. Explore cutting-edge technologies including short video MultiModal Machine Learning, generative models, scaling law, sparse MoE, and reinforcement learning.

Qualifications

Minimum Qualifications

• 1. Bachelor degree or above in the field of computer science or a related technical discipline
• 2. Proficient coding skills and strong algorithm & data structure using C++/Python/Java
• 3. Have a solid knowledge of machine learning and practical experience in applying it

Preferred Qualifications

• 1. Effective communication and teamwork skills.
• 2. Modeling experience in one or more of the following areas: Ads, Search engine, Recommender System, NLP/CV

Job Information

About Us

Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.

Why Join ByteDance

Inspiring creativity is at the core of ByteDance's mission. Our innovative products are built to help people authentically express themselves, discover and connect - and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and enrich life - a mission we work towards every day.

As ByteDancers, we strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our Company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

ByteDance is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At ByteDance, our mission is to inspire creativity and enrich life. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.