iamarek.com

Arek Chatys

Experienced Senior Front End Engineer delivering high-performance, product-oriented solutions.

London, United Kingdom

AC
Download CV

About

As a Senior Front End Engineer, I specialize in elevating user experiences through cutting-edge technologies like Typescript, Next.js, Styled Components, and GraphQL. With a background in implementing solutions for diverse clients, particularly in the academic sector, including startup environments, I excel in transforming UI/UX designs into efficient, cross-platform code. My expertise extends to developing and maintaining internal Design Systems, ensuring consistency and efficiency across various projects.

Work Experience

9fin
Remote

Oct 2024 - Present

Senior Front End Developer

Oct 2024 - Present
Working as a Senior Front End Developer at 9fin, one of the fastest growing fintech companies in the UK. Primarily enhancing the tech stack and architecture of the platform, working on internal tooling. Mostly working with React, Typescript, React Query, React Hook Forms and Mantine.

Farewill
Hybrid

Jan 2021 - Sep 2024

Senior Front End Developer

Dec 2022 - Sep 2024

Front End Developer

Jan 2021 - Dec 2022
Working as a Senior Front End Developer at Farewill, a dynamic tech startup based in London. Primary focus on improving the user experience of customer-facing tools and enhancing internal tools for sales and operations teams. Utilizing cutting-edge technologies such as Typescript, Next.js, Styled Components, GraphQL, and various third-party APIs. Responsible for developing the internal Design System to ensure consistency and efficiency across the entire platform.

Squiz UK
Remote

Mar 2019 - Dec 2020

Senior Front End Developer

Mar 2019 - Dec 2020
Worked directly with Squiz's London office, responsible for implementing new solutions on client websites. Majority of the time spent on projects for British universities. Transformed UI/UX designs and wireframes into code for visual layers of websites. Focus on creating efficient code implemented in CMS Matrix and ensuring proper display on all browsers and platforms.

Squiz Poland
Office

Oct 2017 - Mar 2019

Front End Developer

Oct 2017 - Mar 2019

Junior Front End Developer

Apr 2016 - Oct 2017
Continued responsibilities from the previous role, working directly with Squiz's London office. Responsible for implementing new solutions on client websites, with a focus on projects for British universities. Transformed UI/UX designs and wireframes into code for the visual layers of websites. Emphasis on creating efficient code implemented in CMS Matrix and ensuring proper display on all browsers and platforms.

Skills

TypeScript
JavaScript
React/Next.js
Node.js
GraphQL
Rest API
Styled Components

Selected projects I've worked on

UAL London

Website for the University of the Arts Londo. Build as a part of Squiz UK team.

JavaScript
Matrix CMS

Whoop

One of the early iterations of marketing website for Whoop, a fitness tracker.

Freelance Project
JavaScript
CSS

Farewill

Marketing website and accounts app for Farewill, a startup providing will writing services.

Next.js
Gatsby
TypeScript
GraphQL
StyledComponents

Laserzentrum.dental

Marketing website for a dental clinic based in Germany.

Freelance project
JavaScript

William Hill

Internal tools for William Hill, a betting company based in the UK.

Internal tools
JavaScript
TypeScript
React

IZ Hofheim

Marketing website for IZ Hofheim, a clinic based in Germany.

Freelance project
JavaScript

copyright © 2025 iamarek.com