Aleksei Arro - CV Senior Frontend Engineer | React / Next.js Architecture | Fixing Fragile Web Systems

Senior Frontend Engineer | React / Next.js Architecture | Fixing Fragile Web Systems
Sfera IT
5000 $
Portugalia (Lizbona)
24-03-2026
Osoba kontaktowa: Aleksei Arro
Wiek: 40
Telefon: pokazać
Doświadczenie w pracy:
7 лет
Edukacja:
Moscow Institute of Physics and Technology - Master’s degree in Applied Physics and Mathematics, 2011
Umiejętności zawodowe i inne:
Astro, Axios, Babel, BEM, CSS, CSS Modules, Effector, ESLint, Express, Feature-Sliced Design, Figma, Formik, Git, GQty, GraphQL, Gulp, Headless UI, HTML, i18next, JavaScript, Jest, Jotai, JSS, Mantine UI, Material UI, NextJS, NodeJS, OpenAPI specification / Swagger, PostCSS, Postman, Prettier, Pug, Radix UI, React, React Hook Form, React Router, Redux Saga, Redux Toolkit, Rollup, Sass, Styled Components, Stylelint, SVG, Tailwind CSS, TanStack Query (React Query), TanStack Virtual, Testing Library, Touch typing, tus, TypeScript, Vite, Vitest, Webpack, Zod, Zustand
Umiejętności językowe:
Английский
Dodatkowo:
Frontend engineer specializing in stabilizing complex React applications with legacy architecture.

I work with systems where features are implemented quickly but cause regressions and slow down releases. I eliminate architectural causes of instability, reduce coupling, and make systems predictable for both teams and AI-assisted development.

Most effective in projects where:

- New features keep breaking existing functionality
- Releases are delayed by constant regression fixes
- Developers are afraid to touch critical parts of the system
- Delivery timelines are unreliable and hard to predict
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