Software Engineer

I'm Kacper, an Software Engineer skilled in building AI agent workflows, AI-driven SEO, and modern web applications with React, Next.js and Python.

next-md-negotiate

Content negotiation for Next.js - serve Markdown to LLMs and HTML to browsers from the same URL.

A self-hosted RUM Core Web Vitals monitoring platform for Next.js applications.

CV optimizer that tailors your resume to any job posting for maximum ATS compatibility.

A cutting-edge interview preparation app for aspiring software developers, leveraging AI to provide personalized feedback.

A SaaS app designed for managing newsletter subscriptions and sending mass emails with Stripe integration.

A high-performance web app built with Next.js and Contentful for fitness training planning and exercise tracking.

A Next.js 13 clone of the Mokarico coffee website, utilizing SSR and dynamic routes.