Tuyển dụng Data Scientist (Machine Learning) - Banking Domain tại Hà Nội

The Data Scientist role focuses on building propensity models and sizing market opportunities for VMO projects with banking clients. This hybrid position requires a blend of data science and engineering skills to create production-grade pipelines. The role is pivotal in driving sales strategy through data-driven outputs. Candidates should have a strong background in Python and SQL, along with proven experience in propensity modeling.

Job Responsibilities

1. Propensity Modeling & Ranking:

- Predict CTR and engagement probability

- Use models like XGBoost / LightGBM

- Optimize ranking using NDCG, MRR, Precision@K

2. Feature Engineering:

- Build features from user behavior, interaction signals, and context

- Handle sparse and noisy data

3 Cold Start Handling:

- Design strategies for new users and new offers

- Implement hybrid and fallback approaches

4. Bias Handling:

- Mitigate popularity and exposure bias

- Implement diversity and re-ranking strategies

5. Model Evaluation:

- Define and track CTR, conversion, NDCG, AUC

- Continuously improve engagement metrics

6. Scalability & Deployment:

- Build systems for millions of users

- Enable real-time or near real-time inference.

Yêu cầu công việc

- 3+ years of experience in Data Science or Machine Learning, with hands-on experience in propensity modeling, ranking models, and production-grade ML solutions.

- Intermediate English communication skills (spoken and written); candidates with strong English communication skills are preferred.

Key Skills:

- Strong Python - the existing model suite is Python-heavy

- Advanced SQL large complex datasets

- Proven propensity modelling experience - built and delivered, not just theoretical

- Genuine hybrid capability - data science and data engineering

- Confident communicator with non-technical stakeholders

- Hands-on with XGBoost, LightGBM

Nice to Have

- Experience with MLOps and model deployment

- Experience with AWS SageMaker

- A/B testing and experimentation knowledge.

Quyền lợi

• Thưởng: 13th-month salary Review salary 1-2 times/year, with the possibility of an unexpected salary rise. Policy for 13th-Month Salary Bonus and Holiday Bonuses According to Company Regulations.
• Chăm sóc sức khoẻ: Full participation in social insurance, as well as a yearly health checkup at a reputable hospital.
• Đào tạo: Opportunities for capacity development, as well as assistance with professional certification expenses. Allowance for classes and training awards: Learning Star of the Month.
• Cơ hội du lịch: Holiday travel mode (package 5-7 million/person), team building,...
• Hoạt động nhóm: The football club, cycling car, badminton, pickleball ... are just a few of the sports and cultural activities available.
• Khác: Negotiable depending on experience & skills Opportunity to work in a professional, modern and energizing setting. Challenging projects, possibilities, cutting-edge technology, and problems. An open and dynamic working atmosphere that promotes