UI Engineer | Frontend Developer

Antithesis is looking for an in-office employee to help improve and maintain our design system and product web apps / websites.

As a UI Engineer, you will work closely with the designers and product managers to deliver features and components.

Requirements

• Experience implementing design mocks in HTML, CSS, and JavaScript

• A solid programming background in algorithms and data structures demonstrable via coding exercise during in-person interview

• Experience building static and dynamic websites

• Understanding of how the internet and browsers work

• At least 4 years of experience creating, improving and maintaining web apps / websites

• Great attention to detail

• A portfolio website or a list of links to projects you’ve worked on

Bonus points

• Experience with different build tools

• Experience with testing libraries like Playwright

• Experience building SPAs with a frontend framework (React, Vue, Svelte, Solid, etc.)

• Experience in back-end development (Node.js, Python, PHP, etc.)

• Experience with Terraform

• Experience with Nix

• Experience creating and shipping a software package (e.g., an npm library)

• Experience optimizing web pages for performance

• Experience creating, scaling, and supporting design systems

Possible contributions

Months 1–3

• Get onboarded to Antithesis web app and how its working (pretty tricky)

• Correct a few things in components of our design system.

• Build a few new components.

• Take a full Figma mock and implement an entire view/page with components available.

• Refactor how design tokens and css variables are exported/imported

• Plan future work on the design system and prepare tickets for it in Linear

Months 3–6

• Add significant features to components we have and potentially refactor them

• Build good interactive examples for the design system and UI kit

• Learn, apply, and improve testing for our components

• Refine and enhance old web app pages with new components

• Ship a new design for a big feature we already had