Full-Stack Next.js Developer

I build secure SaaS dashboards, internal tools, and business automation.

Available for remote B2B contracts Open to relocation

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Michael K.

# Projects

Selected completed work, with implementation details and verifiable outcomes.

Freelance CRM interface previewFeatured project

Pet project

Freelance CRM

A production CRM for freelancers to manage projects, income, subscriptions, budgets, and AI-assisted financial analysis.

  • Secure per-user data isolation and a protected read-only demo workspace
  • Project and financial analytics with persistent AI conversations
  • AI timeout handling, retries, burst limits, and daily rate limits
  • Secure password recovery, automated tests, and a GitHub Actions quality gate

EvidenceDeployed on a Linux VPS with PM2 and Nginx, backed by verified SQLite backups and a public read-only demo.

Next.js 16TypeScriptPrisma ORMSQLiteAuth.jsTailwind CSS 4Radix UIshadcn/ui+4 more
DemoGitHub
Lite-shop interface preview

Pet project

Lite-shop

A lightweight storefront with simulated purchases, persistent cart state, search, filtering, and product data from DummyJSON.

  • Responsive shopping flow built with React 19 and Next.js 16
  • Persistent client-side cart state with Zustand

EvidenceCompleted and available as a live, publicly accessible project.

Next.js 16React 19TypeScriptTailwind CSS v4shadcn/uiFramer Motion+3 more
LiveGitHub
Seller cars interface preview

Pet project

Seller cars

A responsive catalogue for browsing used cars from South Korea using data sourced from ENCAR.

  • Searchable vehicle presentation built with Next.js and TypeScript
  • Automated browser coverage with Playwright

EvidenceCompleted and deployed at a public project URL.

Next.js 16TypeScriptTailwind CSS v4Framer MotionPlaywrightResend
LiveGitHub

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