Data Scientist | AI / ML Engineer

American University of Armenia

• Developed a hybrid ML recommendation system generating personalized book suggestions using library borrowing records.
• Combined collaborative filtering, content-based filtering, and a lightweight neural taste model.
• Built a full data pipeline using Python, PyTorch, Pandas, PostgreSQL, and R. Evaluated models using Precision@K, Recall@K, and NDCG@K ranking metrics.

American University of Armenia

• Analyzed the impact of traffic congestion on air pollution levels in Yerevan.
• Applied statistical modeling including ANCOVA, descriptive statistics, and time-series analysis.

American University of Armenia

• Developed an interactive analytics dashboard in R Shiny to analyze transaction and spending behavior.
• Built visualizations using ggplot2, plotly, histograms, boxplots, and density plots.

American University of Armenia

• Created an interactive data visualization dashboard analyzing how age influences reading frequency and genre preferences.
• Processed behavioral datasets using R (dplyr, tidyr, lubridate).

American University of Armenia

• Designed and implemented a relational database modeling restaurant operations including menus, orders, and transactions.
• Implemented normalized schema design and SQL queries for operational analytics.

Confidential Startup

• AI Engineering: AI/ML architecture, recommendation systems, RAG, semantic search, vector databases, LLM integration, conversational AI, multi-tenant AI platform design, data preprocessing, prompt engineering, evaluation and optimization.
• Software Engineering: Backend and frontend implementation, API design, FastAPI, PostgreSQL, ChromaDB, Python, React, system architecture, document ingestion pipelines, scalable AI workflows.
• Stack: Python, FastAPI, OpenAI, RAG, LLMs, ChromaDB, PostgreSQL, Vector Search, Semantic Search, Pandas, PyTorch, Scikit-learn, React, TypeScript.

CCX.inc

• Participated in all technical decisions; clarified and translated requirements to technical specifications.
• Made UI/UX-oriented decisions with the Product team.

Sentium Consulting

• Owned/managed product lifecycle from 0 to full scale; drove priorities through market analysis and customer feedback.
• Facilitated product roadmap and backlog updating; ensured delivery on time, within budget, to desired quality standards.

Kubeshop

• Developed reusable UI components (React + Electron JS), reducing development time by 30%.
• Implemented automated workflows with Cypress, Jest and Docker; improved Agile PM through Scrum ceremonies.

Banked

• Developed QR Service from scratch with NodeJS; deployed to Kubernetes with CircleCI and Docker on AWS.
• Implemented RWD techniques and Adaptive Design with OOCSS for scalability.

EPAM Systems

• Streamlined and automated workflow through front-end JavaScript development, improving loading time by 50%.
• Guided a team of 6 Front-End Engineers as Resource Manager; mentored 3 developers in EPAM Mentorship Program.

Click2Sure Company LLC

• Optimized app speed by 25%; decreased platform maintenance cost by 40%; improved overall UX by 20%.

SoftConstruct LLC

• Built SaaS Product using Product Roadmap; developed modern, responsive SPA reaching 600K+ monthly active users.

SLIKR

• Developed B2B/B2C payment APIs; built frontend in Angular 6, TypeScript, Webpack, HTML5/CSS3.

Iguan Systems LLC

• Improved website performance by 70% in six weeks; optimized SEO ranking by 200%.