Posted at: 20 April
Client-side Game Developer (Pixi JS)
Company
VeliTech is a Kyiv-based B2B iGaming technology provider offering a comprehensive suite of SaaS solutions for online casinos and sportsbooks, serving a global market with over 40 million users.
Remote Hiring Policy:
VeliTech supports remote work and hires from various locations, including Ukraine, Cyprus, the UK, the Philippines, and Georgia, allowing team members to work remotely or from any of these offices.
Job Type
Full-time
Allowed Applicant Locations
United Kingdom, Philippines, Ukraine, Georgia
Job Description
Heaven of 7, part of VeliTech Group, doesn't mass-produce games – we craft experiences that matter. Every project we build respects the player's time and intelligence, combining purpose-driven mechanics with stunning visuals that create genuine moments of excitement.
As our Client-side Game Developer (Pixi JS), you'll shape how players experience our games. Working with Pixi.js and our custom engine, you'll lead the technical vision that brings our bold, high-fidelity 2D worlds to life. From dynamic multipliers to interactive bonus features, you'll ensure every interaction feels smooth, responsive, and rewarding.
We're looking for someone who balances creativity with discipline, collaborates openly, and takes pride in shipping polished, purposeful work. If you care about the bigger picture and want to help shift the industry from mass production to quality-first creativity, let's talk.
Responsibilities:
- Rendering & Animation: PixiJS scenes, Spine runtimes, GSAP timelines, frame-perfect playback.
- Audio Systems: Web Audio API, AudioContext graphs, dynamic mixing.
- Game State Architecture: Zustand stores, game programming patterns, deterministic state machines.
- Real-time Networking: WebSocket protocol handling, HTTP(S) round-trips, error recovery flows.
- Memory Management: Texture atlases, object pooling, GC pressure control, heap profiling.
- Build & Performance: Bundle optimization, code splitting, asset pipeline, Lighthouse budgets.
- Client Hosting & Infra: CDN delivery, DNS, cache-busting strategies, AWS deployments.
- Async Programming: Promises, async/await, concurrency patterns, loading orchestration
Requirements:
- 3+ years of commercial experience with TypeScript in production environments.
- Strong hands-on experience with PixiJS for building high-performance 2D applications.
- Experience with animation tools and libraries, specifically GSAP and Spine (spine-pixi).
- Experience using Zustand or similar lightweight state management libraries.
- Solid experience working with Web Audio API and AudioContext for sound integration.
- Experience implementing real-time and client-server communication using WebSockets and HTTP(S).
- Hands-on experience with modern build tools, particularly Vite.
- Understanding of application deployment and content delivery, including AWS infrastructure, CDN, and DNS.