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A collection of case studies and system specifications demonstrating advanced skills in system design, quality assurance, and technical problem-solving.

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Systems Design & Analysis Portfolio - Joshua Hasinski

Welcome. This portfolio showcases a multi-year project in complex systems design, demonstrating a deep expertise in conceptual architecture, quality assurance, and technical documentation.


Meticulous and analytical Systems Designer with three years of experience architecting, documenting, and performing quality assurance on a complex, rule-based conceptual project.

Welcome to my portfolio. This repository serves as the central hub for my professional work. Below you will find my resume and the primary case study for my work in complex systems architecture.

📄 Core Documents

  • My Professional Resume - A comprehensive overview of my experience, skills, and education.
  • Technical Skills - A detailed breakdown of my proficiency with various technologies, software, and methodologies.

Visual Overview: The Chimera Aggregate Knowledge Graph

The image below is a high-level snapshot of the project's living knowledge graph. This is the result of a three-year, solo R&D effort to architect a complex conceptual system from the ground up, documented across over 5 million words. The full, interactive version of this graph is reserved for discussion during interviews.

Chimera Aggregate Knowledge Graph


Live Technical Projects ⚡

This section contains links to my standalone, deployable projects. Each repository includes functional code, detailed documentation, and live demos.

  • Architect Project Portfolio: A full-stack application featuring a React frontend and a Python FastAPI backend, deployed independently on Render to demonstrate containerization and cloud hosting skills.
  • Real-Time Log Dashboard: A dashboard that visualizes real-time streaming data over a WebSocket connection, showcasing Python/FastAPI on the backend and Recharts library on the frontend.
  • Code Sample: Gecko-API Data Client: A Python ETL script that demonstrates proficiency in consuming external REST APIs, processing JSON data, and managing a local SQLite database.
  • Data Visualization Dashboard: An interactive dashboard built with Microsoft Power BI to demonstrate data modeling, transformation, and business intelligence skills.

Architectural Deep Dives (The Chimera Project) 🌱

The following are deep-dive explorations into the core architectural and philosophical components of my primary multi-year R&D effort, the Chimera Project.

  • System Architecture & Design

    • A deep dive into the foundational architecture, rule-based logic, and conceptual framework of the system.
  • Quality Assurance & State Contradiction

    • An analysis of the QA process used to identify and resolve thousands of logical flaws, including a specific example of a critical state contradiction.
  • Data Taxonomy & Modeling

    • Details the creation of a hierarchical taxonomy to classify all system entities and govern their interactions.
  • Procedural Generation Logic

    • An exploration of the procedural generation algorithms used to create dynamic scenarios and entities based on a core set of rules.
  • Life Cycle Simulation

    • A case study on the simulation of multi-stage life cycle processes, modeling resource allocation, stress adaptation, and state transitions to validate long-term system viability.

Project: Chimera Aggregate

Self-Directed | June 2022 – Present

This is a multi-year, self-directed research and development project to architect a complex, rule-based conceptual system from the ground up.

  • System Architecture & Foundational Research: Authored over 4 million words of comprehensive technical documentation that establishes the core theoretical framework for the entire project. This documentation covers everything from first principles in material science and control systems theory to detailed architectural schematics and procedural rule-sets.

  • Quality Assurance & Analysis: Performed continuous QA on conceptual models to identify and resolve thousands of logical flaws and data continuity errors; conducted root cause analysis to trace systemic issues back to foundational rule conflicts.

  • System Design & Modeling: Established a hierarchical rule-based system to ensure internal consistency. Developed a detailed data taxonomy to govern entity interactions and simulated multi-stage life cycles to validate long-term system stability.