AI Engineer - onsite

Summary: 
The Data Scientist role focuses on building propensity models and sizing market opportunities for VMO project 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.

Propensity Modeling & Ranking:
    Predict CTR and engagement probability
    Use models like XGBoost / LightGBM
    Optimize ranking using NDCG, MRR, Precision@K

Feature Engineering:
    Build features from user behavior, interaction signals, and context
    Handle sparse and noisy data

Cold Start Handling:
    Design strategies for new users and new offers
    Implement hybrid and fallback approaches

Bias Handling:
    Mitigate popularity and exposure bias
    Implement diversity and re-ranking strategies

Model Evaluation:
    Define and track CTR, conversion, NDCG, AUC
    Continuously improve engagement metrics

Scalability & Deployment:
    Build systems for millions of users
    Enable real-time or near real-time inference

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

OPPORTUNITIES AND CHALLENGES:

• 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 the interchange of
  ideas, while also empowering you to work and create in your own style. Each
  employee's talent and accomplishments are valued, and outstanding employees
  are recognized and rewarded on a yearly basis.
• Opportunities for capacity development, as well as assistance with professional
  certification expenses, are available to those who work in the field (1 million - 5
  million).
• Some advanced certifications will cover the full cost of studying and taking the
  exam.

ATTRACTIVE REWARDING POLICY AND WORK-LIFE BALANCE:

• Review salary 1-2 times/year, with the possibility of an unexpected salary rise
  based on capacity an infinite number of times per year
• Policy for 13th-Month Salary Bonus and Holiday Bonuses According to
  Company Regulations.
• Holiday travel mode (package 5-7 million/person), team building,…
•  Full participation in social insurance, as well as a yearly health checkup at a
  reputable hospital.