Louis Wijaya

AI Development Lead Manager - AI Platform at Ismaya Group (Legit Group) / FnB & Lifestyle company

Lead end-to-end development of AI initiatives, including LLM-powered chatbots, RAG systems, and automated data pipelines; developed a customer-facing chatbot for ecommerce including product exploration, loyalty exploration, and personalized recommendations and in-app handovers. Designed and implemented an LLM evaluation framework analyzing 1,000+ daily interactions, establishing scoring for intent match and response quality. Architected a GPU-accelerated Social Network Analysis platform using CUDA/CuGraph and FastAPI for real-time PR campaign impact visualization. Experimented with LoRA-finetuned LLMs, compressing model sizes while preserving or improving accuracy. Built Model Context Protocol (MCP) infrastructure enabling AI agents to access internal knowledge and features; implemented for IT Help Desk chatbot and planned for Ismaya+ mobile app. Managed on-prem GPU infrastructure (DGX) with 99% uptime, deployed multi-GPU serving pipelines with load balancing, and created an experiment

Data Scientist (Person in Charge) at AI Distribution

Developed and deployed advanced ML techniques that increased sales prediction accuracy by 30% relative to previous methods. Applied cross-learning and product clustering to refine forecasting, improving robustness and reliability; improved cold-start SKU accuracy by up to 50%. Designed and implemented end-to-end ML forecasting for demand in supply-chain data, processing ~1,200 SKUs weekly. Built an MLOps dashboard integrating experimentation platforms, model selection, and feature management to streamline ML workflows. Designed end-to-end ML data pipelines and ETL processes to ensure seamless data integration from third-party sources for data-driven decision making.

Business Development, Seller Management (Intern) at Shopee Indonesia

Collaborated with marketing and sales teams to conduct in-depth market research on Indonesia’s economic environment. Developed an automated seller acquisition reporting and monitoring system using Google Apps Script, improving business workflow by transitioning from weekly to daily data aggregation.

Data Analyst, Internship at Tanoto Foundation

Proposed digitization of business processes for the foundation’s internal teams to enhance operational efficiency. Conducted sentiment analysis on the organization’s brand-awareness survey to provide actionable insights.

President at Tanoto Scholars Association @Universitas Indonesia

Pioneered inter-university collaboration across 7 Indonesian universities within the Tanoto Foundation network; arranged partnerships for RPJP N 2025-2045 with the Ministry of National Development Planning (Bappenas); analyzed day-to-day operations and delivered multiple social media campaigns and community service projects.