Game Client Technical Lead

• Design, implement, and maintain complete end-to-end game features
• Integrate scalable server-side backend services with high-performance client-side gameplay and UI logic
• Design flexible, modular backend systems serving multiple frontend game clients
• Optimize server-side load management, database queries, client-side memory, and frame-rate stability
• Implement real-time data collection, logging, and crash reporting across client and backend systems
• Monitor the full technology stack and diagnose cross-domain issues
• Implement end-to-end security protocols, protect sensitive user data, and deploy anti-cheat and exploit-prevention measures
• Translate creative requirements from UI/UX and game designers into actionable engineering tasks
• Mentor developers in modern client-side and backend techniques
• Create and maintain unified technical documentation, including API specifications, server infrastructure, and engine integration manuals
• Scope features during sprints, align technical requirements with business goals, and reduce technical debt
• Plan work across memory optimization, stateless architecture, and high-concurrency systems
• Collaborate with product owners and game designers to review mechanics and propose performant solutions
• Use monitoring telemetry to maintain server availability during traffic spikes
• Balance rapid feature delivery with clean, scalable, and modular code

• 6+ years of development experience
• 1+ year of leadership experience
• iGaming/Gambling experience is a plus
• Strong understanding of game client architecture
• Experience with state machines, game flow, and real-time systems
• Deep professional experience in game client development
• Understanding/experience with scalable server-side backend architectures
• Ability to design systems from the ground up and handle ambiguity
• Experience identifying and fixing memory leaks, architecture flaws, and security vulnerabilities
• Ability to explain complex backend constraints to non-technical stakeholders
• Track record of mentoring engineers, driving architectural decisions, and leading projects through the full software development lifecycle
• Fluent English plus Ukrainian or Russian
• Experience with Pixi, TypeScript, JavaScript, Node.js, React, WebGL, 2D skeletal web animation, WebSockets, event streaming brokers, remote procedure calls, WebRTC, WHIP, RTMP, SRT, H5Live, Low-Latency HLS, MoQ, ABR, SQL, NoSQL, in-memory caching, columnar/analytics databases, cloud infrastructure, containerization, container orchestration, distributed telemetry, log aggregation, and time-series monitoring dashboards
• Experience with Python is nice to have
• Willingness to work on an EU B2B basis

• Competitive salary in EUR with annual performance reviews
• Flexible remote work
• Medical insurance
• Psychologist support
• Polish and Slovak speaking clubs
• 20 working days of paid vacation
• 10 additional paid days off
• 10 paid sick days
• All national holidays in your country
• Reimbursement for courses, trainings, and certifications
• Support for language classes, sports, massages, or life coaching