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November 4, 2026
Full-Stack Engineer
Mid • On-site
149,977 - 278,530 PLN/yr
Gdańsk, Pl-Gd, Poland
Quick Facts
Role: Full-Stack Engineer
Focus: End-to-end feature development for social casino games
Description
You’ll build and own features from concept through release and monitoring in an agile, well-resourced environment. The role spans frontend development in JavaScript for iOS, Android, and Web, and backend development in PHP with scalable RESTful APIs and services. You’ll optimize performance, ensure reliability and testability, and iterate post-launch using player behavior and metrics.
Responsibilities
Develop social and gameplay systems end-to-end
Build frontend functionality in JavaScript for iOS, Android, and Web
Implement backend services and APIs in PHP for gameplay, social, and LiveOps features
Design scalable RESTful APIs consumed by client applications
Contribute to data modeling and persistence for progression, rewards, and events
Improve backend efficiency for high concurrency and large player populations
Ensure features are reliable, testable, and production-ready
Assess and optimize frontend/backend performance
Partner with Product to scope technical solutions and make pragmatic tradeoffs
Monitor post-launch performance and iterate based on metrics
Contribute to architecture, tooling, and delivery practice improvements
Requirements
B.S. in Computer Science or equivalent experience
4+ years of professional software development experience
JavaScript production experience
Experience building backend services in a live environment
Experience crafting and consuming RESTful APIs
Understanding of client-server architecture
Experience contributing to features through the full development lifecycle
Strong analytical and problem-solving skills with a player-first approach
Nice-to-Have
PHP backend services experience (preferred) and familiarity with an existing PHP codebase
Experience building gameplay systems (events, rewards, progression, or social mechanics)
Experience with mobile gaming, social casino, or Games-as-a-Service
Familiarity with experimentation and feature flags
Mobile development experience (iOS and/or Android)
Benefits
Comprehensive pay and benefits package
Pay-for-performance approach rewarding individual impact
Potential eligibility for annual bonuses/incentives, health and wellbeing benefits, paid time off, retirement plans, insurance, and other local/statutory benefits
Compensation details discussed during recruitment
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