Kaden Leis

Software Engineer

I build reliable software with a focus on clarity and scale.

I design and ship web products with an emphasis on clean architecture, predictable behavior, and systems that are easy to maintain as they grow.

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Featured Projects

Selected work across product engineering, platform reliability, and developer experience.

activeMar 1, 2026

IoT Network Attack Detection

A multi-class machine learning project detecting IoT network attacks using behavioral time-window traffic features from a 27M packet dataset.

PythonScikit-learnPandasNumPyMachine LearningData Mining
  • - Processed and sampled from a 27M packet IoT network dataset.
  • - Built multi-class classification models to detect SYN DoS, ARP MitM, Mirai, and other attacks.
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activeJan 1, 2026

OggSync

A desktop application for managing, validating, and packaging Minecraft .ogg sound assets and sound definition files.

PythonPySide6QtFile Systems
  • - Built a state-driven Qt UI with asynchronous background services.
  • - Implemented sound scanning, validation, and JSON inference workflows.
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Experience

Experience working on security, systems, and software at real scale.

Jan 2026 – Present

Founder - Fjoro Studios

Eau Claire, WI

Lead Fjoro Studios’ product vision and technical execution to ship performant web experiences and internal tools.

  • - Founded the company and guided architecture plus delivery to keep every project aligned with performance and maintainability goals.
  • - Directed operations spanning architecture decisions, branding, and stakeholder communication to keep projects cohesive.
  • - Coordinated client and internal teams so technical direction and execution stayed synchronized with business needs.
Next.jsTypeScriptTailwind CSSNode.js

Jun 2025 – Present

Information Security Analyst Intern - Menards

Eau Claire, WI

Supported enterprise security operations with a focus on compliance evidence, asset visibility, and endpoint coverage.

  • - Collected and documented PCI DSS evidence across multiple teams to support external compliance audits.
  • - Identified and tracked unmanaged endpoint assets using CrowdStrike, improving inventory accuracy and coverage.
  • - Assisted with Qualys asset tagging and organization to improve vulnerability visibility and reporting.
CrowdStrikeQualysPCI DSSEndpoint SecurityAsset Inventory

Recent Writing

Short technical essays about architecture decisions, delivery process, and software craftsmanship.

Jan 8, 2026

Designing Calm Engineering Portfolios

A practical approach to portfolio design that prioritizes clarity, trust, and technical credibility over visual noise.

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