Luis Pionce

Luis Pionce

Data Scientist
Ecuador
Spanish, English

About Me

Highly motivated Mathematical Engineer with strong experience in data analysis focused on the financial
sector. Specialized in applying advanced statistical and mathematical modeling techniques to extract
valuable insi…

Experience

Data Scientist

NOUX · Quito, Ecuador
Oct 2024 - Present · 1 year 9 months

• Led the end-to-end development of an AI-powered conversational assistant, including: o Design and implementation of a RAG pipeline using FAISS for metadata retrieval o Integration of a local LLM (Phi-3) for natural-language-to-SQL query generation o Development of a user-friendly graphical interface (GUI) for stakeholder interaction o Connection to n8n workflow automation platform to trigger downstream actions based on user queries (e.g., data exports, alerts, report generation) • Conduct in-depth exploratory data analysis to uncover patterns, trends, and business opportunities. • Develop and deploy predictive models and machine learning algorithms to forecast business outcomes. • Preprocessed and cleaned large datasets to ensure high data quality and modeling readiness. • Created clear visualizations (Power BI, Tableau) to communicate insights to non-technical stakeholders. • Collaborated with cross-functional teams (data engineers, developers, product) to translate business needs into technical data solutions. • Engaged directly with clients to understand objectives and convert them into actionable data science requirements.

Management Control Analyst

Recycob S.A., Quito, EC
Oct 2023 - Oct 2024 · 1 year

Built classification models (linear/logistic regression, machine learning) to profile customer behavior.
Developed econometric forecasting models in R and EViews for budgeting and recovery projections.
Generated scenario-based forecasts for portfolio evolution using statistical models, incorporating both internal and external factors.
Designed and monitored Balanced Scorecard (BSC) metrics for recovery teams, refining KPIs as the framework matured.
Partnered with IT to ensure data quality and successful deployment of analytical solutions.

Management Control Analyst

Recycob S.A. · Quito, Ecuador
Oct 2023 - Oct 2024 · 1 year

• Built classification models (linear/logistic regression, machine learning) to profile customer behavior. • Developed econometric forecasting models in R and EViews for budgeting and recovery projections. • Generated scenario-based forecasts for portfolio evolution using statistical models, incorporating both internal and external factors. • Designed and monitored Balanced Scorecard (BSC) metrics for recovery teams, refining KPIs as the framework matured. • Partnered with IT to ensure data quality and successful deployment of analytical solutions.

Operations & Planning Assistant

Recycob S.A., Quito, EC
Apr 2022 - Sep 2023 · 1 year 5 months

Automated reporting and control tools using Excel VBA macros.
Analyzed collection performance using descriptive statistics and proposed multi-channel recovery strategies.
Implemented econometric models (R, EViews) for annual budgeting processes.
Developed and tracked KPIs via Balanced Scorecard for recovery operations.
Created interactive Power BI dashboards for collection reporting.

Operations & Planning Assistant

Recycob S.A. · Quito, Ecuador
Apr 2022 - Sep 2023 · 1 year 5 months

• Automated reporting and control tools using Excel VBA macros. • Implemented econometric models (R, EViews) for annual budgeting processes. • Analyzed collection performance using descriptive statistics and proposed multi-channel recovery strategies. • Developed and tracked KPIs via Balanced Scorecard for recovery operations. • Created interactive Power BI dashboards for collection reporting.

Volunteer

Volunteer for Church of Bolivia, Cochabamba
Jun 2011 - Jun 2013 · 2 years

Trained new missionaries.
Traveled and worked in five different cities throughout South Bolivia.
Communicated with members of different social and economic backgrounds.
Maintained data records.
Presented results to mission president with statistical projections to evaluate current methods and future plans.

Data Scientific

NOUX, Quito, EC
Oct 2024

Led the end-to-end development of an AI-powered conversational assistant, including design and implementation of a RAG pipeline using FAISS for metadata retrieval.
Integrated a local LLM (Phi-3) for natural-language-to-SQL query generation.
Developed a user-friendly graphical interface (GUI) for stakeholder interaction.
Connected to n8n workflow automation platform to trigger downstream actions based on user queries (e.g., data exports, alerts, report generation).
Conducted in-depth exploratory data analysis to uncover patterns, trends, and business opportunities.
Developed and deployed predictive models and machine learning algorithms to forecast business outcomes.
Preprocessed and cleaned large datasets to ensure high data quality and modeling readiness.
Created clear visualizations (Power BI, Tableau) to communicate insights to non-technical stakeholders.
Collaborated with cross-functional teams (data engineers, developers, product) to translate business needs into technical data solutions.
Engaged directly with clients to understand objectives and convert them into actionable data science requirements.

Skills

PostgreSQL Python Structured Query Language (SQL) Hive Power BI R Programming Language (R) Tableau BigQuery Pyper Azure ML Shiny EViews VBA (Excel) VBA Linear Regression Logistic Regression Decision Trees Random Forest XGBoost K-Means Hierarchical Clustering PCA Neural Networks Credit Scoring Models Probability of Default Loss Given Default ARIMA Exponential Smoothing Forecasting Retrieval-Augmented Generation FAISS Natural Language to SQL Local LLMs Phi-3 Data Analysis Exploratory Data Analysis Data Wrangling Feature Engineering KPI Design Balanced Scorecard Sensitivity Analysis Scenario Analysis Statistical Modeling Mathematical Modeling Machine Learning Deep Learning Data Visualization Workflow Automation
Report this Profile?