Frontend React Engineer

SII Group Romania · Bucharest, Romania
LinkedIn

Posted

Aug 14, 2026 (Aug 14)

Seniority

Senior

Work Model

Not Specified

Type

Not Specified

Category

Frontend

Salary

Not specified

Skills

CSS HTML JavaScript React Redux TypeScript WebSockets Zustand

Description

Who we are: Open-minded intellectuals who embrace emerging technologies on our mission to create innovative Software Engineering Solutions that will impact millions of users around the world . We are looking for: We're looking for engineers who care about building products that feel fast, polished, and maintainable - not just shipping React components. You should be comfortable working on large-scale frontend applications where performance, architecture, and user experience matter as much as feature delivery. What you will do: Develop high-performance web interfaces using React and TypeScript for client’s live casino applications. Optimize UI/UX components for ultra-low latency, ensuring seamless real-time video streaming and interactivity. Integrate complex APIs and WebSockets to maintain perfect synchronization of live game data, bets, and states. Write clean, modular, and testable code while adhering to modern architecture standards and data security practices. Collaborate with cross-functional teams, including Backend developers, UI/UX designers, and QA engineers, to deliver scalable features. Ensure cross-browser compatibility and maximize responsiveness across desktop and mobile devices. What you must have: Expert-level JavaScript (ES2020+) and TypeScript Strong React ecosystem knowledge (React, Redux, Zustand or equivalent state management) Deep understanding of HTML and modern CSS Experience building complex real-time applications using WebSockets Strong understanding of browser APIs and rendering Experience with SVG, Canvas or WebGL Familiarity with reactive programming (RxJS is a must) What's in it for you: Extended compensation and benefits package Continuous learning opportunities to enhance your professional and soft skills A great working environment with people who put their heart, mind, and soul into everything they do and understand the importance of team spirit. ***Only eligible candidates will be contacted to move forward in the recruitment process. #LI-VG2