CV/Resume

Education

• Certificate in Data Science - University of Washington, Professional & Continuing Education, 2021
  • Coursework: Machine Learning (Advanced & Ensemble), Deep Learning (MLP, DNN, RNN-LSTM), Time Series, Statistical Modeling and Regression, SQL for Analytics, Data Visualization
  • Capstone: Built predictive models for semiconductor manufacturing using feature selection and neural networks
• Professional Certificate in Data Science - Microsoft edX, 2019
• M.S. in Civil Engineering and Building Services, Gh. Asachi Technical University of Iasi, Romania, GPA: 9.70/10

Skills

• Programming & Tools: Python (Pandas, NumPy, Matplotlib, Seaborn, Scikit-learn, SciPy, TensorFlow, Keras), Jupyter Notebook, Git, SQL (basic)
• Modeling & Analytics: Regression, Classification, Clustering, Model Evaluation, Hypothesis Testing, Probability, Descriptive & Inferential Analysis
• Data Wrangling & Querying: Pandas, SQLite
• Visualization & Communication: Power BI, Dashboard storytelling, Report writing

Projects

• Credit Risk Analysis
  Boosted model accuracy from 65% to 77% by optimizing classification techniques and evaluating trade-offs between accuracy and F1 score for minority class prediction.
• Health Insurance Cost Prediction
  Developed regression models that improved forecast accuracy by 33%, enabling better planning and cost estimation.
• CO₂ Emissions Forecasting
  Built time series models achieving 95% lower MSE (0.09 vs. 2.01) for one-step ahead forecasts, outperforming dynamic forecasts.
• Ecommerce Sales Analysis
  Queried and analyzed seasonal sales trends using SQLite and Python uncovering regional and payment-based patterns.
• Job Market Text Mining
  Scraped and processed job postings (Python, NLTK), engineered features to extract salary insights and identify in-demand tools and platforms.
• Ecommerce Dashboard
  Designed a Power BI dashboard to monitor KPIs across products and regions, highlighting the most profitable customer segments.

Professional Experience

Software Test & Support Engineer - Formotus Inc., Bellevue, WA, 2008 - 2018

• Resolved 25% of support tickets on first contact, improving customer satisfaction.
• Partnered with development teams to reduce critical issue response time by 30%.
• Led process improvements that accelerated software release cycles by 10%.
• Delivered client training programs, boosting customer acquisition by 15%.
• Designed and deployed mobile forms for 70% of clients.
• Contributed to knowledge base system, increasing self-service resolution by 35% and reducing call handling time by 20%.