Profile

Yahaya Fofana

Software Developer and Data Scientist

Computer Science: Data Analytics and Machine Learning at Ball State University

Education & Volunteer Experience

Ball State University

Muncie, Indiana | Standing: Junior

Bachelor of Science in Computer Science, Data Analytics & Machine Learning

Dean’s Lists: 2023 - 2025

Topsail Hill Preserve State Park

March 2025 | Destin, FL

Contributed to environmental conservation by building fences, clearing wildlife paths, removing trash, and creating habitats for endangered species. Demonstrated teamwork, reliability, and commitment to ecosystem preservation.

Habitat for Humanity - South Carolina

March 2024 | Johns Island, SC

Supported construction of homes for underserved communities, collaborating with mentors to gain insights on construction and project management. Helped advance access to safe, affordable housing.

Core Skills

Languages

PythonJavaJavaScriptTypeScriptSQLC/C++HTML/CSSPHPR

Frameworks & Libraries

React NativeReactNode.jsNext.jsExpoFirebasejQueryJestJUnitCucumberPandasScikit-learnMatplotlib

Developer Tools

GitFigmaPyCharmIntelliJJupyterLabRStudioMicrosoft Office SuitePower BITableau

Cloud & Data Tools

AWSDockerPostgreSQLStripe APIOpenAIGemini AIPineconeLlamaIndex

Volunteer & Achievements

Student Volunteer — Topsail Hill Preserve State Park

Mar 2025 • Destin, Florida

  • Supported conservation initiatives by building protective fencing, clearing wildlife trails, and restoring habitats for endangered species.
  • Collaborated with park staff and volunteers to ensure safety, punctuality, and team efficiency.

Student Volunteer — Habitat for Humanity South Carolina

Mar 2024 • Johns Island, South Carolina

  • Contributed to construction of homes for underserved families, applying project management and teamwork skills in a fast-paced, collaborative environment.
  • Worked alongside mentors to gain insight into effective planning, safety, and quality practices.

Experience

Developer Apprentice

Digital Corps — Muncie, IN

Design, develop, and deploy full-stack web applications and tools for 19,000+ students, staff, and faculty, turning designs into reliable, user-friendly digital solutions. Collaborate with university partners, applying logical thinking, problem-solving, and detail-oriented development to deliver creative solutions on fast-paced, evolving project timelines.

Undergraduate Data Science Researcher

The Data Mine — Purdue University, West Lafayette, IN

Partnered with BASF to design data-driven solutions for customer segmentation and regional grower personas, aligning business problems with technical insights. Applied Python, SQL, and Spark on large demographic and geospatial datasets to uncover adoption patterns in agricultural technology. Leveraged Databricks notebooks for scalable analysis and Tableau/Power BI for interactive visualizations supporting strategic decisions.

AI and Automation Extern

Outamation

Built modular AI pipelines with OCR (Tesseract, PaddleOCR) and PDF parsing (PyMuPDF), improving document classification accuracy by 30%. Developed a LlamaIndex-powered RAG system and benchmarked OCR/LLM retrieval performance using Mistral and Phi-2.

Software Development Intern

University-Industry Partnership

Built a cross-platform mobile MVP using React Native, TypeScript, Firebase, and Expo. Developed 10+ reusable UI components and improved cross-platform accessibility by 40%. Contributed to 5 Agile sprints and collaborated in a 4-person team.

Accessibility Tester

Unified Technology Support

Improved digital accessibility for 10+ campus platforms using JAWS, NVDA, and WAVE, achieving 95% WCAG 2.1 AA compliance. Documented 20+ critical accessibility issues and guided 5+ teams through remediation, reducing issue resolution time by 40%.

Software Engineer

Headstarter

Developed and deployed 5+ AI-driven web apps using Next.js, OpenAI, Pinecone, and StripeAPI. Mentored 4 engineering fellows and introduced CI/CD pipelines and Git workflows, enhancing code quality and engineering throughput.

Projects

Clearer Skies Indy (NASA Space Apps Challenge – 2nd Place)

Developed a web app aggregating real-time air quality, humidity, and wind data from multiple APIs (WAQI, Meteomatics, NASA Earth Data, NewsAPI) with interactive visualizations using Leaflet.js, Recharts, and Material-UI. Built backend services with Spring Boot, Java, and Node.js and deployed on Google Cloud with Docker, ensuring timely, accurate environmental data delivery. Implemented an opt-in text alert system notifying users of hazardous air quality, promoting community awareness and engagement.

ReactNode.jsSpring BootGoogle CloudDockerLeaflet.jsRechartsMaterial-UI

PDF Retrieval-Augmented Generation Pipeline

Developed pipelines to parse and process unstructured PDFs into structured datasets for downstream analytics. Implemented hybrid retrieval (vector + BM25) with reranking, improving query accuracy on large enterprise document sets. Connected pipeline to LLMs for business intelligence applications, demonstrating modern data architecture practices.

PythonLlamaIndexHuggingFaceDatabricksBM25Vector Search

Credit Card Fraud Detection with Random Forest

Built a machine learning model using Random Forest Classifier to detect credit card fraud, improving detection accuracy on transactional data.

PythonMachine LearningRandom ForestScikit-learn

GroupSync - Social Networking Application

Developed a Java-based desktop app allowing users to create profiles, join groups, and connect with others based on shared interests.

JavaSwingDesktop Application

AI ChatBot

Built a full-stack intelligent customer support chatbot using Next.js, React, Node.js, and Gemini AI to enhance user interaction and automate support.

Next.jsReactNode.jsGemini AI

TalkSphere - Full-Stack Social Networking Platform

Created a dynamic social networking web app using HTML, CSS, JavaScript, jQuery, PHP, and MySQL from scratch.

HTMLCSSJavaScriptjQueryPHPMySQL