Yashjeet Singh

About Yashjeet Singh

Seasoned technical leader with a visionary approach & expertise in generative AI research, developing products utilizing ML based predictive solutions and model validation. Proven track record in leading projects, preparing project plans, utilizing data ecosystems & deploying predictive models in the financial services sector to detect & mitigate banking risks.

Experience

1. Senior Data Science Specialist (AVP)

   Wells Fargo

   Dec 2022 — Present

   1) Leading a cross functional team to develop & validate gen-AI & ML models and drive innovation while balancing business goals with technical challenges- Improving RAG solutions: Prompt engineering, agents, compression, MQR, fine-tuning (LORA/PEFT) etc- Model validation: Contributing to AI model governance by evaluating RAG pipelines/comparing LLMs (RAGAS/ROGUE) to improve model accuracy and mitigate model risk.(2) Developed a conversational agent driven by open sourced LLM (Llama3) using LangChain based RAG solution to offer context based Q&A from policy and compliance documents.(JS-Django based web app).(3) Developed transformer (ST5) based NLP application having context based search capability to do string search or match different types of regulatory/contractual documents.(JS-Django based web app).(4) Deployed a chatbot on Azure App Services using RAG methodology, utilizing Azure OpenAI (GPT-4) & AI Search (vectorization) to query inter-company contractual agreements.(5) Leveraged AI/ML-based predictive solution with XG Boost algorithm to optimize pre-clearance decision-making and ensuring robust employee compliance management. Sensitivity analysis using LIME to assist decision maker.

Education

• BITS Pilani, Hyderabad Campus

  Dual Degree in M.Sc. (Hons.) Mathematics and B.E. (Hons.) Mechanical Engineering

Skills

• Autocad