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Data Scientist

Data Scientist

SINGAPORE TELECOMMUNICATIONS LIMITEDSingapore
28 days ago
Job description

We are seeking a highly capable and hands-on Senior Data Scientist to own and evolve two of our most strategic AI-driven systems.

This role will be instrumental in maintaining and enhancing our recommendation engines and conversational AI systems, with a strong focus on personalization, automation, and Generative AI and Predictive AI integration.

Recommender System Ownership :

  • Maintain and enhance enterprise recommender, including clustering models, market basket models, price sensitivity, and product forecast models.
  • Maintain Contract Renewal Recommendation engine with updated rule-based logic and incorporating churn model scores to suggest fixed product renewals.
  • Monitor model performance, retrain / refresh pipelines, and ensure business alignment with upsell / cross-sell strategies.

Conversational AI & GenAI Integration :

  • Extend the capabilities of the AI chat platform by integrating state of the art GenAI modules for contextual understanding and personalized responses.
  • Enable real-time transactions via API orchestration and support omnichannel deployment across customer portals, Singtel.com, and WhatsApp.
  • Collaborate with frontend and backend teams to establish required system integrations to support AI context and Agentic actions.

    • Data Engineering & Feature Development :

  • Build and maintain robust data pipelines using Spark on Azure Databricks and orchestrate workflows via Databricks Workflows.
  • Pipe processed features into PostgreSQL databases using SQLAlchemy for seamless backend integration.
  • Maintain Vector Knowledge stores on Postgres or Azure AI Search, using organizational knowledge portals as the source of truth. Ensure data consistency and reusability across modules.

    • Operational Excellence :

  • Define and track KPIs such as recommendation accuracy, chatbot resolution rate, and conversion uplift.
  • Conduct A / B testing and experimentation to validate new features and integrations,.
  • Ensure compliance with Responsible AI practices, including human-in-the-loop validation and explainability

    • Cross-Functional Collaboration :

  • Partner with product managers, digital marketing, sales, and engineering teams to align AI solutions with business goals.
  • Translate business requirements into data science solutions and communicate insights to non-technical stakeholders.

    • Skills for Success :

  • Computer Science, Statistics, Data Science or related Bachelors / Masters
  • 5-8 years in related fields
  • AI Engineering
  • Data Engineering
  • Software Development
  • Good to have professional Qualifications in Cloud, AI Engineering or similar
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    Data Scientist • Singapore