Ding Ren

Full Stack Software Engineer Intern · San Francisco Bay Area

• Sole engineer across the full lifecycle of multiple consumer web apps — from product discovery and Figma wireframing to full-stack production deployment.
• Architected proprietary LLM data pipelines for automated credit card analysis; a multi-step context engine strategy lifted transaction recognition accuracy to 90%.
• Configured automated deployment across AWS, Vercel, and Render, achieving 99.9% uptime.
• Led GTM technical strategy integrating Google Analytics to drive data-informed iteration and early customer acquisition.
• Contributed architectural and design recommendations for an AI-based browser control agent.

AI Engineer Intern · Singapore

• Built ADAPT end-to-end — an LLM-powered education platform for healthcare professionals; successful UAT across 5 public hospitals with >75% satisfaction rate.
• Led architecture migration of an internal RAG chatbot to LangGraph with metadata filtering and DuckDB structured-data querying, improving response quality by >30%.
• Developed automated testing pipelines for RAG chatbots using the RAGAS framework (contextual recall, faithfulness, relevancy, factual correctness).
• Engineered adversarial testing against prompt injection and jailbreaking using LLM-as-judge and Project Moonshot datasets.

Software Engineering (AI) Intern · Jakarta, Indonesia

• Contributed to a centralized AI platform for customer service interactions, targeting 40% faster response times and 35% higher satisfaction.
• Spearheaded evaluation of 50+ text embedding models to inform RAG development strategy.
• Leveraged AWS Bedrock to support RAG application infrastructure and deployment.
• Gained hands-on experience with Kubernetes, CI/CD pipelines, and Golang microservice development.

Undergrad Student Researcher · Singapore

• Established research methodologies for pre-processing trajectory data and training an ML model to predict badminton shuttlecock flight paths mid-air.
• Developed a Python control system for a robot to intercept and return the shuttlecock, forming the foundation of an AI-powered robotic sports assistant.

Field Operations Specialist · Singapore

• Co-developed an employee performance and incentive tracking system — a small-scale web database for part-timers.
• Accelerated testing and launch of a pilot autonomous robot delivery service at Siloso Beach, a 4-way partnership between Grab, Sentosa Development Corp, NCS Technologies, and Singtel.
• Ensured safe operation of the autonomous delivery robot and engaged public and tourists on the future of autonomous logistics.