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Ho Chi Minh

(Senior) Data Scientist, Zalo

As a mainstream communication platform, Zalo makes it easier to meaningfully connect people, from family to friends to work. As a Data cientist working on Zalo product, you have a chance to make a positive impact on more than 50M users by leveraging the power of data to help build relevant and effective product features.

What you will do

  • Extract, analyze and apply data-mining and statistical machine learning techniques to large structured and unstructured datasets; 
  • Design, develop and test large-scale data science pipeline and machine learning algorithms; 
  • Stay current on published state-of-the-art algorithms and competing technologies; 
  • Research and investigate academic and industrial data mining, machine learning and modeling techniques for product improvements; 
  • Design and analyze experiments to test new features & products; 
  • Report, visualize and communicate results; 
  • Work with product managers, designers and engineers to build new features and products; 
  • Implement and deliver high-quality features that are built for speed, scale and usability; 
  • End-to-end data processing, troubleshooting and problem diagnosis.

What you will need

  • Degree in Computer Science, Statistics, Applied Math or a related field;
  • Having domain expertise in Machine Learning, Graph/Social Network Analysis, Probabilistic Graphical Models, Information Retrieval, NLP or Computer Vision;
  • 2+ years relevant work experience with large amounts of REAL data;
  • Experience with traditional as well as modern statistical learning techniques, including: GLM, Support Vector Machines, Neural Networks; Regularization Techniques; Boosting, Random Forests and other Ensemble Methods;
  • Strong implementation experience with high-level languages such as: Java, C/C++, R, Python, Scala or general programming languages;
  • Familiarity with Linux/Unix/Shell environments;
  • Strong hands-on skills in sourcing, cleaning, manipulating and analyzing large volumes of data;
  • Experience with end-to-end modeling projects emerging from research efforts;
  • Knowledge of Hadoop programming environments (e.g. Spark);

Other requirements:

  • Ability to translate business objectives into actionable analyses;
  • Ability to communicate findings clearly (oral & written) to both technical and non-technical audiences;
  • Top-down thinker, excellent communicator and great problem solver. Must be a strong team player;
  • Open-minded and excited to learn new things. Have strong opinions but willing to change with new data;
  • We hope you will fit well with our team’s culture:
    • Strong work ethic. All of us believe in our work’s ability to change Vietnamese lives and consequently work not just smart but also hard;
    • Good team member: We care and watch out for each other. We’re humble individually and go after big goals together;
    • Flexibility: you should be flexible in your tasks and do whatever is needed, ranging from dirty work like data cleaning, to high-level work like algorithm design.