Data Scientist

SINGAPORE TELECOMMUNICATIONS LIMITED
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:
Conversational AI & GenAI Integration:
Data Engineering & Feature Development:
Operational Excellence:
Cross-Functional Collaboration:
Skills for Success:
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
JOB SUMMARY
Data Scientist

SINGAPORE TELECOMMUNICATIONS LIMITED
Singapore
18 days ago
N/A
Full-time
Data Scientist