AI Fitness Coach System

Designing a Scalable AI-Powered Fitness Planning Workflow

The AI Fitness Coach System is a generative AI-powered workflow that creates personalized meal plans, workout routines, grocery lists, and habit trackers. This project focuses on prompt engineering, system design, and automation to transform structured user inputs into consistent, safe, and usable outputs. Rather than building an AI model from scratch, the goal was to design an intelligent system using foundation models and practical tools.

The Challenge

Many individuals struggle with consistency in fitness due to unclear planning, generic programs, and time-consuming manual meal structuring.

Existing online plans are often extreme, unsustainable, or poorly personalized. There was an opportunity to design a structured AI system that produces realistic, beginner-friendly plans instantly.

My Role

I designed the full AI workflow, including:

  • Prompt engineering framework

  • System architecture

  • Output formatting constraints

  • Safety and realism guardrails

  • Testing and iteration

  • Structured content delivery design

The focus was on creating a repeatable, scalable system rather than a one-time AI response.

Tools Used

  • OpenAI / ChatGPT (Prompt Engineering)

  • Notion (Workflow organization & testing)

  • Canva (Output formatting & design)

System Architecture

User Input → Structured Prompt Engine → AI Output → Formatting Layer → Delivery

The system was designed modularly:

  • Meal Plan Generator

  • Workout Plan Generator

  • Grocery List Generator

  • Habit Tracker Generator

Prompt Engineering Strategy

Each prompt was structured using a defined framework:

  • Role definition

  • Goal clarity

  • User inputs

  • Constraints

  • Output format control

  • Tone specification

Guardrails were implemented to prevent unrealistic calorie recommendations and unsafe exercise suggestions.

Outcome & Impact

Across these projects, the dashboard designs improved usability and clarity for users working with complex systems. By focusing on structure, hierarchy, and consistency, the interfaces supported faster comprehension, reduced friction in daily workflows, and enabled more confident decision-making across different industries and platforms.

Key Takeaway

Designing dashboards at scale requires more than visual polish—it demands a deep understanding of user behavior, data relationships, and system constraints. These projects reflect my approach to creating structured, user-centered dashboard experiences that remain flexible as products and requirements evolve.

Detailed case studies for individual projects—including personas, user flows, and wireframes—are available upon request. Please feel free to connect if you’d like to learn more.