Mamadou Dem
Salem
Summary
Data Science graduate with hands-on experience in building full-stack products and analytics workflows. Leveraging a strong foundation in Python and SQL, combined with a background in evaluating AI performance and risk management, translates complex data into impactful, user-focused applications.
Overview
3
3
years of professional experience
Work History
Data Annotation | Remote Investment Analyst, AI Tr
Data Annotation
Salem
08.2024 - 03.2026
- Evaluated AI chatbot responses for accuracy, logic, and overall performance.
- Created complex finance- and investment-related prompts to improve AI reasoning and problem solving.
- Reviewed model outputs, identified errors, and provided detailed feedback to improve response quality.
- Worked independently on multiple projects while meeting quality and productivity standards.
- Contributed to research and helped create, implement and optimize risk management tools for continuous evaluation.
Mental Health Technician
Oregon State Hospital
Salem
07.2023 - 05.2024
- Supported high-acuity patients as part of clinical treatment teams in a secure hospital setting.
- Documented behavioral observations, monitored risk indicators, and helped maintain safety through de-escalation.
- Facilitated group therapy sessions, encouraging patient participation and engagement.
- Documented patient interactions and progress in electronic health records accurately.
Caregiver
Family Resource Home Care
Salem
02.2023 - 09.2023
- Assisted clients with daily living, mobility, scheduling, medication reminders, and care documentation.
Education
Bachelor of Science - Data Science
Willamette University
Salem, OR05-2026
Skills
- Programming & Analytics: Python, pandas, SQL, R, Data Analysis, Data Visualization, Statistical Analysis, GIS, ArcGIS Pro
- Development: JavaScript, TypeScript, React, Nextjs, Supabase, Tailwind CSS
- Tools & Frameworks: Git, GitHub, RStudio, Product Testing, User Research, Agile Frameworks
LANGUAGES
English, Mandinka, Fulani (Fluent)
PROJECTS
- Demora | Founder & Product Developer, 2025 – Present, Built a time capsule platform for scheduling future messages and rich media unlocks across web and mobile experiences., Owned product strategy, UX flows, alpha/beta testing, and feature prioritization from concept through active iteration., Implemented engagement and retention features, including scheduled unlock states, media handling, and message lifecycle flows.
- DemNova | Founder & Full-Stack Developer, 2024 – Present, Built an AI-powered productivity platform with a custom Chrome extension, authentication, and user dashboards., Implemented interactive workflows using React, Next.js, TypeScript, Supabase, and structured state management., Designed automated task-management flows that turn user inputs into organized daily action items.
- Smart Laundry Scheduler | Product Developer, 2024, Created a campus laundry scheduling app to improve access to shared machines and reduce reservation conflicts., Implemented reservation logic for availability, booking windows, and real-time schedule updates., Used stakeholder interviews and prototype testing to refine the workflow for students.
Accomplishments
- Willamette University Honor Scholarship Recipient
- University of Portland Presidential Scholarship Recipient
Timeline
Data Annotation | Remote Investment Analyst, AI Tr
Data Annotation
08.2024 - 03.2026
Mental Health Technician
Oregon State Hospital
07.2023 - 05.2024
Caregiver
Family Resource Home Care
02.2023 - 09.2023
Bachelor of Science - Data Science
Willamette University