Senior Frontend Engineer: Real-Time iGaming UI (Remote)

RubyPlay; Warszawa; Hybrid; PLN 120,000 - 160,000; Full time

Benefits offered by this job

Growth budget

Bonuses

English classes

Development days

Paid vacation

Well-being support

Job summary

RubyPlay in Warsaw (Remote) is seeking a Senior Frontend Engineer to scale our shared frontend technology powering multiple games. You will tackle complex application behavior, real-time events, and reusable components across the portfolio.

You’ll collaborate with engineers, game developers, designers, and product stakeholders to deliver high-quality, backward-compatible features and improve maintainability of our frontend architecture. Fluency in English required.

Qualifications

• 5+ years of experience with TypeScript and JavaScript in complex front-end projects.
• Strong understanding of asynchronous programming and state management.
• Experience designing reusable components or libraries.
• Ability to investigate issues across frontend and backend integrations.
• Excellent command of English (B2+).

Responsibilities

• Develop and maintain shared frontend libraries used across multiple games.
• Build event-driven features with real-time backend communication.
• Ensure new features integrate with existing game systems and stay backward compatible.
• Improve code quality, maintainability, and reusability through architecture.
• Collaborate with engineers, designers, product stakeholders on solutions.
• Contribute to code reviews and development best practices.

Skills

TypeScript

JavaScript

Frontend apps

Shared libraries

State management

Tools

PixiJS

Phaser

WebSockets

Server-Sent Events

Job description

RubyPlay in Warsaw (Remote) is seeking a Senior Frontend Engineer to scale our shared frontend technology powering multiple games. You will tackle complex application behavior, real-time events, and reusable components across the portfolio.

You’ll collaborate with engineers, game developers, designers, and product stakeholders to deliver high-quality, backward-compatible features and improve maintainability of our frontend architecture. Fluency in English required.