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Hi!
I’m Dolf Barr

a senior software engineer at at Semrush with 12+ YoE based in . I’m passionate about web and, especially, frontend development. I like to be on the edge of solving business problems & appeal for users and believe that soft skills and clean code matter.

💻 software engineer☕️ coffee driven🏡 remote advocate

Projects

I’m currently involved in a few small open-source projects. Keep an eye out for more contributions from me soon 🚀

  • 🪵 react-log-hook40+

    Lightweight & customizable logging hook for your react components lifecycle

    Tech: React⋅TypeScript⋅testing-library

  • 🍅 pimer

    Simple & minimalistic pomodoro app

    Tech: Svelte⋅JavaScript⋅tailwind

Work Experience ⋅ 12+ years

  • Jun ’25 — Present

    Tech: Javascript⋅React.js⋅Typescript⋅React Flow⋅HTML⋅CSS

  • Oct ’15 — May ’25

    Within different teams working on projects for QuantumSoft partners. Most of the time, I am responsible for the frontend architecture and development of the UI and application business logic.

    Tech: Javascript⋅React.js⋅Typescript⋅Python⋅HTML⋅CSS⋅PHP

  • Apr ’19 — Oct ’24

    Working on the frontend architecture and implementation business processes for web portal & inner tools.

    Tech: Javascript⋅React.js⋅Typescript⋅Python⋅HTML⋅CSS⋅Less⋅Stylus⋅Sass⋅Node.js (NestJS)⋅Cypress⋅React Hook Form⋅Yup⋅Storybook⋅Testing Library

  • Aug ’16 — Mar ’19

    Responsibility for the frontend architecture and development of the UI and application business logic.

    Tech: Javascript⋅React.js⋅Typescript⋅Flow⋅HTML⋅CSS⋅Less⋅Websockets⋅Node.js (Express.js)⋅Webpack⋅Cytoscape⋅d3⋅Draft.js⋅PHP

  • Nov ’13 — Sep ’15

    Participated in the development of corporate and social services for students and employees of Tomsk State University.

    Tech: Javascript⋅jQuery⋅CSS⋅HTML⋅PHP⋅Python⋅Bootstrap

Skills

Javascript⋅React.js⋅Typescript⋅React Flow⋅HTML⋅CSS⋅Python⋅PHP⋅Less⋅Stylus⋅Sass⋅Node.js (NestJS)⋅Cypress⋅React Hook Form⋅Yup⋅Storybook⋅Testing Library⋅Flow⋅Websockets⋅Node.js (Express.js)⋅Webpack⋅Cytoscape⋅d3⋅Draft.js⋅jQuery⋅Bootstrap