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UI Developer

Xanadu -
Cork, County Cork

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Job details

Qualifications

CI/CD
CSS
React
Git
JavaScript
SCSS
ECMAScript
REST
Redux
UI
TypeScript
Communication skills
HTML

Full job description

UI Developer

At Xanadu, we provide services to Matchbook, a sophisticated betting exchange. This uses peer-to-peer betting where customers can choose to either place a bet or take a bet. It’s suitable for all types of bettors from casual punters to professional traders. Matchbook is no ordinary web platform. It has more in common with the New York Stock Exchange than with a bookmaker. It operates at scale. Its API processes over 450 million API requests per day. It manages billions of dollars worth of transactions.

With more regulated markets opening around the world we face new opportunities for further expansion, leveraging our cutting-edge technology to provide our partners with an extremely performant and dependable exchange system.

At Xanadu you’ll work at a scale which you’ll rarely find anywhere else. The challenges here are big – really big. The people you’ll work with are hungry to tackle them. If this sounds like a challenge too good to ignore, then we want to hear from you.

What will I be doing?

Implement performant UI using modern development techniques and tools
Build UI that works across multiple modern browsers
Build high quality, well-structured robust components and modules that encourage reuse across a multi-brand architecture in a collaborative environment
Optimise components for maximum performance across a variety of web-capable devices and browsers
Maintain and contribute to a shared component library consumed by multiple product UIs
Research, implement and help to drive innovative UI solutions
Collaborate with the UI designer and back-end developers to push the limits of existing UI technology and create the best possible user experience
Create rapid UI prototypes as needed for evaluation
Work in an Agile environment

What are we looking for?

A UI Developer that is proficient in the React.js ecosystem and will have:

Experience building single-page applications in modern React and Redux architectures
Ideally 6+ yrs in HTML5/CSS/JS — React/Redux
Strong experience with Immutable.js and Redux-Saga
Experience with SCSS Modules for scalable component styling
Experience with Webpack bundling, code splitting, and build optimisation
Experience with unit and component testing (Jest, Enzyme)
Experience integrating with APIs built on REST and WebSockets (including Web Workers)
Understanding of multi-brand frontend architectures and configuration-driven UIs
Experience working with shared component libraries consumed as npm packages across multiple projects
Working knowledge of Yarn, Git, and CI/CD pipelines
Working knowledge of linting and code quality tooling (ESLint, Prettier)
Familiarity with recent JavaScript/ECMAScript features and asynchronous programming paradigms (async/await, generators)
Understanding of differences between multiple delivery platforms (mobile vs desktop) and optimising output to match
Understanding of fundamental design principles behind a scalable application
Excellent communication skills
Self-motivated with a proven track record of learning new skills using their own initiative
Ability to follow and influence/create design and style guides
Ability to react, adapt and be flexible when requirements change

Nice to have:

TypeScript (plan to actively migrate)
React Testing Library
Experience with React 18+ features (concurrent rendering, Suspense)
Vite
Experience with internationalisation (i18next or similar)
Data visualisation libraries (Recharts or similar)

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