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Junior Data Scientist

OCBC Pagedangan, Banten, Indonesia

Aug 05
data-scientist Junior (0-2 yrs) Full-time Indonesia
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About the role

Build and deploy LLM systems and workflows into production environments for banking applications. Evaluate AI performance through offline evaluations, A/B testing, and live monitoring while collaborating with product and risk teams.

What they look for

Python LLM Data Science Prompt Optimization Fine-tuning vLLM LoRA QLoRA Statistics Computer Science Mathematics Engineering Physics Credit Risk Regulatory Compliance

Requirements

Candidates must be fresh graduates with a degree in a quantitative field and strong Python fundamentals. Experience building LLM-based projects through internships, hackathons, or academic work is required.

Full description

What you'll do:

  • Build and ship LLM systems and workflows to production, where real bankers and customers use them
  • Learn to evaluate AI properly: offline evals, A/B tests, live monitoring
  • Work hands-on with Python, vLLM, prompt optimization, and fine-tuning
  • Work alongside experienced teams in Product, Risk, and Compliance to apply data science techniques to real-world banking scenarios, including credit risk and regulatory compliance.

We’re looking for curious and eager-to-learn candidates who are:

  • Fresh graduate (Bachelor's or Master's) in a quantitative field: Statistics, Computer Science, Math, Engineering, Physics
  • Strong Python fundamentals
  • Have experience on building something with LLMs (through Thesis, internship, side project, or hackathon) and can explain the concept and its objective in a simple way

Bonus points (not required):

  • Exposure to vLLM, LoRA/QLoRA fine-tuning, or prompt optimization frameworks like GEPA
  • Interest in financial data and regulation

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