Sep 2025 – Present · 9 mos · Vancouver, British Columbia, Canada

• Designed and implemented Agent workflows for Copilot Discover - a hyper-personalized and pro-active AI Content Feed, built robust multi-agent RAG systems leveraging prompt engineering and custom-built automated prompt-tuning frameworks
• Defined the evaluation strategy for the product across multiple quality dimensions; built an end-to-end evaluation framework encompassing dataset strategy and sampling, LLM-as-a-judge evaluators with strong human alignment, and proactive red-teaming and safety setups to ensure robustness and responsible deployment at scale.

Jul 2023 – Sep 2025 · 2 yrs 2 mos · Vancouver, British Columbia, Canada

• Led a cross-functional team of Applied Scientists and Software Engineers, owning hiring and career development. Accountable for delivering business-critical outcomes, including incremental DAU through personalized news experiences.
• News Headlines: Developed a near–real-time clustering pipeline processing ~1M articles per day, incorporating embedding-based clustering and GraphRAG-based summarization to incorporate structured data such as finance/sports, and LLM-as-a-judge evaluation pipelines.
• Developed and fine-tuned a suite of high-quality news text understanding small language models, including entity and topic extraction, sentiment analysis. Built and scaled custom multilingual SLMs and Entity-Linking pipelines to support high-QPS production workloads.

Sep 2021 – Jul 2023 · 1 yr 10 mos · Vancouver, British Columbia, Canada

• Document Text Understanding - Zero-Shot Fine-Grained Topic Extraction with SLMs