# Bogdan Chadkin (@trysound.io)

Profile: https://sifa.id/p/trysound.io
Headline: Senior Frontend / Full-stack Engineer

## About

Senior full-stack engineer with 14 years of experience building complex web applications, developer tools, and high-performance user interfaces. Specialized in React, TypeScript, frontend architecture, design systems, accessibility, and web performance. Core contributor and maintainer of JavaScript tooling with tens of millions of weekly npm downloads, including SVGO, Rollup, PostCSS, and postcss-value-parser.

## Career

- **Senior Full-stack Engineer (Contract) at Kiaora** (May 2026 - Aug 2026)
  \- Built core healthcare product workflows, including real-time doctor–patient messaging and online appointment scheduling.
  \- Designed and implemented the shared design system, standardizing UI patterns and accelerating feature development.
- **Senior Full-stack Engineer at Webstudio** (Oct 2022 - Feb 2026)
  Full-time · Remote
  \- Built core functionality for an open-source browser-based visual website builder using React and TypeScript, shipping features across 100K+ user projects.
  \- Designed frontend architecture for complex visual-editor interactions, drag-and-drop, and CMS integrations.
  \- Improved accessibility, web-platform integration, and application performance.
- **Senior Full-stack Engineer at RealAdvisor** (Apr 2017 - Oct 2022)
  Full-time · Remote
  \- Architected an authentication and multi-level authorization system supporting 130+ enterprise partners, enabling expansion of the B2B platform.
  \- Led a 3-month migration of a large frontend and GraphQL server codebase to TypeScript, reducing manual testing and shortening release cycles by 30%.
  \- Built property-valuation tools and lead-routing workflows used by 10K+ real-estate agents.
  \- Migrated the application's data layer to Hasura and GraphQL, reducing backend complexity and accelerating feature development.
  \- Mentored engineers and led onboarding for new team members.
- **Senior Frontend Engineer at Siemens** (Feb 2015 - Apr 2017)
  Full-time · Remote
  \- Built frontend for ELVis (Engineering Life Visualization), a web-based platform for real-time visualization and analysis of gas-turbine test data
  \- Developed frontend interfaces for a large-scale municipal water communications monitoring system.
  \- Modernized frontend architecture, build tooling, and development workflows across industrial applications
- **Frontend Developer at Freelance** (Jan 2012 - Jan 2015)
  \- Delivered 15+ responsive web applications for startups, agencies, and product companies.
  \- Worked directly with clients from requirements and estimation through production delivery.

## Projects

- **weareonhire!** — https://weareonhire.com (Mar 2026 - Present)
  Professional networking platform built on Open Social
- **Engramma** — https://app.engramma.dev (Oct 2025 - Present)
  Web application for generating style guides and managing design tokens.
- **postcss-value-parser** — https://github.com/postcss/postcss-value-parser (Aug 2015 - Present)
  CSS value parser and serializer with 100M weekly downloads. Initially built it to improve stability and reduce bugs in cssnano minifier. Later was adopted by many other tools like stylelint.
- **SVGO** — https://svgo.dev (Jan 2021 - Jan 2023)
  Popular SVG optimizer. Rebuilt plugin system, reduced package size by 40%, improved stability.
- **Rollup** — https://rollupjs.org/ (Jan 2015 - Jan 2018)
  Next-generation ES module bundler. Implemented persistent caching (60% faster rebuilds), improved tree-shaking, contributed into plugin ecosystem.
- **PostCSS** — https://postcss.com (Jan 2015 - Jan 2016)
  A tool for transforming CSS with JavaScript CSS used by thousands projects. Core contributor, co-authored cssnano minifier, created postcss-value-parser.

## Publications

- Try not to get scammed while looking for work — trysound.io (Mar 2026) https://trysound.io/try-not-to-get-scammed-while-looking-for-work
- How my side project got banned from the internet — trysound.io (Feb 2026) https://trysound.io/how-my-side-project-got-banned-from-the-internet
- Building design tokens app — trysound.io (Dec 2025) https://trysound.io/building-design-tokens-app

## Skills

### Technical
- accessibility
- cloudflare
- css
- docker
- gcp
- git
- github actions
- graphql
- hono
- html
- javascript
- next.js
- node.js
- postgresql
- react
- remix
- sql
- sqlite
- svelte
- terraform
- typescript
### Creative
- design systems
### Other
- astro
- build systems
- developer tooling
- frontend architecture
- hasura
- svg
- vercel
- web performance

## Links

- other: https://linkedin.com/in/bogdan-chadkin
- other: https://github.com/TrySound
- other: https://t.me/iamtrysound