JackOS Simple Mode
Jack Dennehey Business student at Penn State Brandywine
Business student building public products across cybersecurity, networking, cloud, AI, and interface design. This page is the conventional reading of the same work shown in JackOS.
Intro Featured work Experience Skills Education Resume Contact Featured work Four public pieces of evidence. Case studies and live products stay linked; facts are not rewritten here.
Flagship Project
Kickoff
What A full-stack football intelligence platform combining predictive modeling, historical NFL data, walk-forward evaluation, and AI-powered research.
Role Designer and developer
Result Model v0.2 was evaluated on 2019–2025, 1,865 decided regular-season games at 63.0% straight-up accuracy. Next.js TypeScript Machine Learning OpenAI Data Engineering App Store
Pocket Pier
What A cozy pixel-art harbor management game developed with Godot for iOS. Pocket Pier is now available on the App Store and represents the complete journey from product concept and gameplay design through iterative development, mobile packaging, and public release.
Role Creator, designer, and developer
Result Available on the App Store Godot GDScript iOS Game Development Product Development This Platform
JackOS
What This operating-system-inspired portfolio, designed and built from scratch as a modern interpretation of classic monochrome computing.
Role Designer and developer
Result A public interactive portfolio with desktop windows, a purpose-built mobile shell, and first-class project applications. Next.js React TypeScript Tailwind CSS Featured Experience
1984 Blue Ocean
What A guided interactive keynote connecting business strategy, technical execution, and the transparent AI-assisted development of Jack OS.
Role Jack directed the product vision, narrative, visual identity, requirements, priorities, testing, critique, and iteration.
Result A 31-stage interactive keynote inside JackOS. JackOS React TypeScript Presentation Engine AI-assisted workflow Experience Ongoing
Independent Technology Projects Self-directed
Building hands-on projects across cloud, networking, and AI while pursuing industry certifications.
Next.js TypeScript Godot Azure Networking Product development Skills Cloud Microsoft Azure AWS (learning) Cloud Fundamentals Seen in Azure AI Projects, JackOS
Networking TCP/IP Subnetting Cisco Packet Tracer Seen in Networking Labs
Security Cybersecurity Fundamentals Network Security Seen in Networking Labs, JackOS
Technical Python TypeScript Git AI / ML Concepts Seen in Kickoff, Azure AI Projects, JackOS
Interface React Front-end Development Product Thinking Seen in JackOS, Kickoff, Pocket Pier, 1984 Blue Ocean
Business Analysis Communication Project Management Seen in 1984 Blue Ocean, Kickoff
Education and credentials Current
Penn State Brandywine Business studies
Studying business with a strong focus on technology, cloud computing, and cybersecurity.
Completed with Honors
Delaware County Community College Cyber Security Certificate of Competency
Completed prior cybersecurity education that became the foundation for continued work in networking, cloud, and business technology.
Delaware County Community College
Cyber Security Certificate of Competency Earned with Honors Formal college-level cybersecurity foundation earned with honors in Pennsylvania.
View Verified Credential Cisco Networking Academy
Cisco Networking Basics Earned Introductory networking credential supporting cybersecurity, cloud, and IT fundamentals.
View on Credly Microsoft
Microsoft Azure AI Fundamentals In Progress Current study path focused on AI workloads, responsible AI, and Azure AI services.
Amazon Web Services
AWS Cloud Practitioner Planned Planned cloud milestone for broader exposure to AWS infrastructure and service models.
Resume A plain-text resume is available to download. Resume.app inside JackOS presents the same education, skills, and independent project work.
Simple Mode is JackOS without the desktop metaphor. Portfolio.app remains the overview inside the operating system. Remaining public work lives in Projects .
Jack Dennehey is a Penn State Brandywine business student. JackOS is his interactive portfolio: Kickoff, Pocket Pier, 1984 Blue Ocean, Recruiter Mode, and Simple Mode.