Order portal with product calculators
Building-materials company needed customers to configure and order products with non-trivial quantity math.
Built the portal from scratch; it is still live in production.
- PHP
- MySQL
- JavaScript
Kseniia Blazhkovskaia
Frontend Developer
9+ years of hands-on web development. React and React Native. MS in Mathematics, now researching AI-assisted workflows.
Selected works
expo-tts-file
React Native apps needed on-device text-to-speech rendered into audio files, offline.
Authored a React Native / Expo native module with a TypeScript API for both platforms.
- Expo Modules
- Kotlin
- Swift
- TypeScript
WordPress → React Native content pipeline
Editors needed to keep authoring in WordPress while the content ships inside a mobile app.
Built a custom WP plugin: create/edit content via the WordPress REST API with seamless delivery into the React Native app.
- WordPress
- PHP
- REST API
- React Native
Public engineering work
A Claude Code host-freeze incident needed a root cause, not a workaround.
Traced it to the vendored ugrep, matched the upstream fix, shipped a deterministic reproduction — posted as an RCA comment.
- Linux
- cgroups
- regex engines
ksblazh.dev
The site you are reading, built as its own exhibit. Fully static, both themes from one token set, animations on a strict transform/opacity budget, Lighthouse 95+ across all four categories on mobile.
- Next.js
- TypeScript
- Tailwind
- Framer Motion
- View Transitions
About
9+ years across a web studio and freelance: an order portal built from scratch, dozens of sites and internal systems. BS and MS in Mathematics (mathematical logic and theory of algorithms). Now pursuing an MSCS (AI) at Westcliff University, Orlando — researching LLM tooling and agentic development with the Claude API and Claude Code.
Skills
- Frontend
- JavaScript, React, React Native, Vue, HTML, CSS, responsive design
- Backend
- PHP, Node.js, REST APIs, MySQL, PostgreSQL
- CMS and tools
- WordPress, Tilda, Git