Senior UI Developer – Fully Remote

Starfinder Srl

Senior UI Developer at Starfinder responsible for high-performance UI development in a global tech environment. Collaborating in an Agile setting and creating scalable components.

Posted 4/23/2026full-timeRemote • 🇺🇸 United StatesSenior💰 €40,000 - €50,000 per yearWebsite

Tech Stack

Tools & technologies

JavaScriptJestReactReduxSCSSTypeScriptWebpackYarn

About the role

Key responsibilities & impact

UI Development: Build ultra‑high‑performance interfaces compatible with all modern browsers
Scalable Architecture: Create robust, reusable components for a multi‑brand architecture
Shared Libraries: Maintain and enhance a component library distributed via npm
Innovation: Collaborate with designers and backend teams to drive innovative UI solutions
Optimization: Maximize performance across devices and support rapid prototyping

Requirements

What you’ll need

Minimum of 6 years' experience
Core Stack: React.js, HTML5, CSS3 (SCSS Modules), JavaScript (ES6+, async/await, generators)
Extensive experience with Redux, Redux‑Saga and Immutable.js
Build optimization, Webpack and code‑splitting
Testing: Unit and component testing (Jest, Enzyme)
Connectivity via REST APIs and WebSocket
Tooling: Yarn, Git, CI/CD, ESLint and Prettier
Knowledge of TypeScript and Vite
Experience with internationalization (i18next) and data‑visualization libraries

Benefits

Comp & perks

Fully remote work
Dynamic, international environment with excellent growth opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

React.jsHTML5CSS3JavaScriptReduxRedux-SagaImmutable.jsWebpackJestTypeScript

Soft Skills

collaborationinnovationoptimization