← Back to site

Tenzing Lama

AI Engineer & Data Analyst

AI engineer and data analyst with a full-stack web background. I build LLM-powered assistants with retrieval-augmented generation, train and evaluate machine learning models, and design BI dashboards that turn raw data into decisions. 5+ years shipping production websites for hospitality and travel businesses.

Skills

AI / LLM
OpenAI API, LangChain, RAG, Prompt engineering, ChromaDB, Embeddings, Streamlit
Machine learning
Python, pandas, NumPy, scikit-learn, XGBoost, Prophet, statsmodels, SMOTE
Analytics & BI
SQL, Power BI, Excel, Matplotlib, Seaborn, EDA, Segmentation
Engineering
JavaScript, React, Next.js, Node.js, Express, PHP, MySQL, MongoDB, Supabase, Git, Vercel

Experience

Founder & AI Developer · Bizuki

2026 — Present
  • Design and build LLM chat assistants for hotels, clinics and real-estate businesses using the OpenAI API, RAG and Node.js / Express
  • Own the full lifecycle: prompt and retrieval design, backend APIs, embeddable web widgets and deployment
  • Built live demos for hotel (concierge) and healthcare (clinic receptionist) use cases

Data Science & ML Practitioner · Independent projects

2024 — 2025
  • Delivered 15+ end-to-end projects across fraud detection, churn, segmentation, forecasting and healthcare analytics
  • Fraud model on 1.42M merged transactions reached 0.90 macro F1; warranty-fraud model hit 97% fraud recall
  • Built executive Power BI dashboards backed by SQL, e.g. tracing $9.6M in sales to profit drivers

Independent Developer · Software & game projects

2020 — 2024
  • Designed and built the game “Finding Mr. Pepper”
  • Built PHP data tools (seller analytics, company data) and Python web scrapers

Freelance Web Developer · Self-employed

2016 — 2020
  • Delivered 10+ websites for hotels, guest houses, tour operators and local businesses
  • Built booking, listing and lead-capture features on PHP / MySQL with responsive front ends
  • Prototyped a school ERP and e-commerce products

Selected projects

Hotel AI Concierge

RAG assistant for a resort.

OpenAI API · RAG · Node.js · Express

Clinic AI Receptionist

Scheduling + patient FAQ agent.

OpenAI API · Prompt Engineering · Node.js · Express

Banking Fraud Detection

0.79 F1 on the fraud class across 1.42M transactions.

Python · pandas · scikit-learn · imbalanced-learn · Streamlit

Warranty Claims Fraud

97% recall on fraudulent claims.

Python · scikit-learn · XGBoost · SMOTE

Telecom Customer Churn

86% of churners caught before they leave.

Python · scikit-learn · SMOTE · Seaborn

E-commerce RFM Segmentation

93,335 customers sorted into 4 loyalty tiers.

Python · scikit-learn · SciPy · K-Means · DBSCAN

Sales & Profitability — Classic Models

$9.6M in sales traced to its profit drivers.

SQL · Power BI

Global Superstore Sales

Sales up 51%, profit lagging behind.

Excel · SQL · Power BI

Full portfolio of 25 projects at github.com/lagyal

Education & certification

  • LLM Engineering · 8-week intensive (in progress)2026
  • Data Science Certification · IBM & Learnbay2025
  • Web Development Certification
  • B.Com (Hons) · Bachelor of Commerce