Javascript Fullstack Engineer (React, NodeJS) (Hybrid)

BetAdvanced

Thessaloniki, Kentriki Makedonia, Greece permanent

Posted: February 16, 2026

Quick Summary

A highly skilled Javascript Fullstack Engineer with experience in React, NodeJS and expertise in custom development for Sportsbook, Gaming Casinos and White Label Sites. You will be working on a state-of-the-art platform serving over 33K live matches per month. Strong knowledge of JavaScript, NodeJS, HTML5, CSS3 and experience in developing scalable applications is a must.

Job Description

Betadvanced is an innovative service provider that offers a fully customisable platform for Sportsbook, Gaming Casinos and White Label Sites. Our platform serves more than 33K matches per month which 20K of them are live matches. Our philosophy is based on partnerships with our customers, and a commitment to provide them with the most sophisticated, state-of-the-art instruments in the entertainment world.

The business employs numerous highly skilled engineers across a range of technical disciplines to achieve impressive and continuous annual growth. Investment in technology is fundamental to this success.

The JS team is responsible for creating React components that are integrated within the web application and communicate with multiple other APIs. It is also responsible for developing auxiliary libraries and systems that support the current infrastructure. Your duties include designing and developing reusable and high-performance components that meet project requirements, maintaining and refactoring existing code, writing tests and fixing bugs.

The technology stack

• Typescript - Javascript
• React
• NodeJS
• Mobx
• Jest, React Testing Library, Pact
• AWS

Requirements:
• Bachelor’s degree in computer science or a related technical field
• Strong proficiency in JavaScript
• Experience in one or more modern UI frameworks (e.g., React, Angular, Vue.js)
• Strong problem-solving and analytical skills.
• Fluent English

Good to have

• Experience in development of React and/or NodeJS applications
• Familiarity with core frontend principles, including component-based architecture, state management, and responsive design
• Understanding of front-end build tools and pipelines
• Experience with Typescript
• Familiarity with testing libraries (e.g. Jest, RTL)
• Familiarity with RESTful APIs
• Experience with Docker

Benefits:
• Attractive salary package
• Flexible working hours
• Training & Development
• Performance Bonus

BetAdvanced is most decidedly an equal opportunity employer. We want applicants of diverse background and hire without regard to color, gender, religion, national origin, citizenship, disability, age, sexual orientation, or any other characteristic protected by law.

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