Alex Permiakov

Tech Lead Frontend Engineer (Freelance)

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Berlin, Germany

Experience

Oct 2023 - Present
2 years 3 months
Berlin, Germany

Tech Lead Frontend Engineer (Freelance)

Grundfos

  • Developing a new design system for Grundfos to enhance a range of applications, dashboards, and tools utilized by engineers.
  • Developed a new design system infrastructure, establishing a component repository (monorepo), releases, and testing strategies.
  • Launched an internal React component library by leveraging design tokens, Style Dictionary and Radix UI.
  • Created test infrastructure for visual regression testing (Playwright).
  • Driving technical decisions forward, working alongside other teams, and providing them with expert advice.
Dec 2020 - Dec 2023
3 years 1 month
Berlin, Germany

Tech Lead Frontend Engineer (Freelance)

Bosch Group

  • Created a multi-brand Bosch design system for e-commerce, in-house portals and marketing websites, covering 14 subsidiary brands and enhancing over 200 websites.
  • Managing releases for over 150 NPM packages using GitHub Actions.
  • Implemented over 30 carefully crafted components.
  • Worked with the design team to integrate the system into a React component library with an idiomatic API.
  • Mentored junior team members, guiding them in finding solutions to technical challenges.
May 2020 - Nov 2020
7 months
Berlin, Germany

Senior Frontend Engineer (Freelance)

Heycar (VW & Daimler company)

  • Launched a brand-new heycar.com, making rolling out to new markets easier and more efficient.
  • Implemented various features for PLP/PDP while maintaining a 90%+ lighthouse score.
  • Improved user experience with 3x faster load speed (TTFB metric).
  • Added Contentful integration to empower marketing teams.
  • Transferred project ownership to internal team members.
Jun 2019 - Feb 2020
9 months
Berlin, Germany

Senior Frontend Engineer (Freelance)

eBay

  • Implemented various features for kijijiautos.ca, Canada’s largest e-commerce website.
  • Integrated Adyen SDK for payment processing within the web app.
  • Implemented a component library on the frontend using React.js.
  • Developed business logic and APIs for some backend services.
  • Achieved nearly 100% code coverage with Jest and React Testing Library.

Summary

Freelance Frontend Engineer specializing in Design Systems and E-commerce, with a total of 14 years of experience, including strong expertise in React, TypeScript and Next.js.

Over the past 5 years I've contributed to the launch of 3 large e-commerce platforms reaching millions users combined.

Build design systems and component libraries for large companies by creating a scalable, maintainable infrastructure with seamless platform integration.

Establish a strong technical foundation for startups within strict deadlines.

Skills

  • React
  • Typescript
  • Next.js
  • Storybook
  • Css
  • Playwright
  • Node.js
  • Eslint
  • Accessibility
  • Jest
  • Github Actions
  • Express
  • Design Systems
  • Ci/cd
  • Graphql
  • Javascript
  • Mongodb
  • Redis

Languages

German
Advanced
English
Advanced
Russian
Intermediate

Education

Oct 2007 - Jun 2011

Ural State University

Bachelor's Degree in Computer Science · Computer Science · Yekaterinburg, Russian Federation

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