Promise Emefile

Data Analyst and AI Engineer with 2 years of experience in data analysis and 1 year in AI engineering, delivering end to end analytical and AI solutions for fintech, technology, sports betting and gaming companies. Currently building a retrieval augmented generation (RAG) system at ShiftSystem Solutions that helps teams and new hires find answers about their work and company. Strong in SQL, Power BI and Python, with hands on experience in KPI reporting, retention analysis, RAG pipelines, agentic AI, multi agent systems, chatbots and AI model evaluation.

AI Engineer (Freelance) at ShiftSystem Solutions (2026-04 – Present)

• Designed and built an internal RAG system that lets employees ask questions in plain language about their team's jobs and assignments, and gives new hires a faster path through onboarding by holding company knowledge in one place.
• Built a multi agent data cleaning agent (CrewAI, OpenAI GPT-4o-mini, Streamlit) with an analyst in the loop: users upload a CSV or Excel file, get a data overview, and the agent flags issues such as missing values, duplicates and wrong data types, then offers fix options for each.
• Added a review step where the analyst can inspect affected rows, edit the generated cleaning code, execute it and download the clean dataset, keeping a human in control of every change.
• Built an EDA maker agent that picks the most meaningful variables, generates the visualizations, explains what the data shows and gives recommendations in plain language.

Data Analyst, Sales Representative and Owner at Kay's Keg | Wine Wholesale and Retail Store (2024 – Present)

• Own and run a wine store, managing the full cycle from sourcing and stocking to sales and customer service across wholesale and retail buyers.
• Track inventory levels, stock movement and reorder points to keep fast moving products available and cut overstock and stock losses.
• Analyze sales data in Excel to identify best selling products, peak periods and customer buying patterns, and use the findings to guide purchasing and pricing.
• Handle daily sales records, cash reconciliation, supplier relationships and customer accounts, keeping the books accurate and the shelves stocked.

Data Analyst (Freelance) at betpikr (2025-10 – 2026-02)

• Designed and developed 8 business dashboards in Metabase used by leadership to monitor Executive, Finance, Operations, Product, Marketing and Risk functions.
• Wrote SQL queries across 6 PostgreSQL databases to consolidate data and generate key business KPIs.
• Developed revenue reporting metrics including GGR, NGR, First-Time Deposits, Net Deposits and Bonus Cost %, enabling leadership to monitor performance trends.
• Built retention and engagement analyses including DAU, WAU, MAU, D7 retention and signup cohort tracking.
• Identified and documented 12 reporting gaps, improving confidence in business reporting and reducing reconciliation discrepancies.
• Partnered with stakeholders to translate reporting requirements into dashboards aligned with business needs.

Data Analyst Tutor (Part-Time) at Freelance (2025-01 – 2025-09)

• Provided one on one and group tutoring in Data Analysis, Python, SQL and Power BI.
• Simplified complex technical concepts for beginner and intermediate learners.
• Helped students complete assignments, projects and portfolio pieces using industry best practices.

Data Analyst Intern at Primo Academy (a subsidiary of Bluechip Technologies) (2024-10 – 2024-12)

• Assisted in collecting, cleaning and analyzing datasets to support data driven decision making.
• Developed reports and dashboards in Power BI and wrote SQL queries to extract, transform and validate data.
• Used Excel and Python to identify trends and generate actionable recommendations, and presented findings to stakeholders.

B.Sc. in Economics – Les Cours Sonou University (2019 – 2019)

Data Science, Data Engineering and Machine Learning – Primo Academy (2024 – 2025)