Data Scientist II

You will be joining a central team of talented Data Scientists working on a wide variety of impactful & important problem areas like: Search Personalisation Content Moderation Trust & Safety AI led Automation Computer Vision Conversation AI (NLP) etc. 

What youll do

• Ship and improve models in production. End-to-end ML model development lifecycle: data wrangling feature engineering model selection / architecture training offline & online evaluations planning A/B experimentation & productionization.

• Turn ad-hoc business needs into solutions whether that means adapting an existing service or building a new feature.

• Own your data pipelines: Data preparation feature processing training and deployment pipelines your models need.

• Run and read A/B tests to decide what ships and explain honestly when a result is noise.

• Use AI tools as a core part of how you work to move faster and to raise the quality of what you ship.

• Work across any of the following domains: Search Recommendations Sell Form Listing Understanding Trust & Safety

• Partner closely with Product Managers & other engineers in identifying potential data science solutions to important product / business problems. 

• Work closely with other data scientists contributing to the culture of continuous learning & sharing.

• Build multimodal understanding for the sell form such as extracting attributes from listing photos and text and auto-filling listing details.

• Improve search and recommendations from candidate generation and semantic retrieval to ranking and relevance evaluation.

• Work hands-on with Chinese-language data. Analyse listing text and search queries from Hong Kong and Taiwan directly in Traditional Chinese and Cantonese as well as English.

Qualifications :

Requirements

• 3 years of applied ML engineering or data science experience with hands-on experience of solving multiple product & business problems leveraging machine learning.

• Working proficiency in English and in Mandarin or Cantonese. This role involves hands-on analysis of Chinese-language listing text and search queries from Hong Kong and Taiwan so youll need to read and reason about that data yourself.

• Minimum Bachelors degree in Computer Science Statistics Applied Mathematics or a related quantitative discipline or equivalent demonstrated experience.

• Solid foundation in maths programming and ML/DL fundamentals.

• Good programming ability in Python SQL and experience with machine learning frameworks and libraries (e.g. PyTorch Tensorflow Keras Spark MLlib Sklearn etc.)

Good to have: 

• Experience in e-commerce classifieds or C2C marketplaces especially with cold-start listings supply quality or long-tail queries.

• Experience in one or more of: search recommendations marketplace trust & safety or pricing.

• Multimodal embeddings and vector retrieval such as CLIP-style architectures and approximate nearest-neighbour search.

• Attribute extraction or auto-fill from images and unstructured text.

• A Masters degree in Computer Science or a related field.

• Familiarity with Carousell as a user. Knowing the product first-hand helps a lot when tuning feeds and search quality.

Additional Information :

By proceeding with your application you are adhering to our PDPA case you are interested to know more read about our Candidates Personal Data Privacy Statement. 

Remote Work :

No

Employment Type :

Full-time