Front End Team Lead (Pixi)

VeliTech

Poland · Full-time · Mid-Senior

Heaven of 7 | Slot Provider

We don’t just create slot games – we craft moments where anticipation becomes celebration.Every reel we design, every feature we build, carries the precision and passion that drives players to hit spin again. From concept to launch, our slots are built for one thing: delivering that perfect rush when everything aligns.

Part of VeliTech, we bring the same “bet on our tech” philosophy to slot development. Our games aren’t just tested in labs – they’re proven where it matters most, with real players seeking real thrills.

European team | Slots that deliver

Let’s create some winning moments together.

We invite a Team Lead Front End Engineer(Pixi.js) to join the Heaven of 7 | Slot Provider team.

Responsibilities:

Lead the design and development of cross-browser slot games for both desktop and mobile using PixiJS and TypeScript
Be the primary point of contact for frontend technical decisions, mentoring, and troubleshooting
Set technical direction and implement best practices for code quality, structure, and performance
Integrate Sentry and other monitoring tools to track frontend errors, performance, and user behavior
Collaborate with game designers, backend engineers, artists, and animators to deliver polished game experiences
Participate in architectural planning, task estimation, and code reviews
Implement and maintain development workflows, including CI/CD pipelines (GitLabCI) and Docker
Optimize performance, loading times, and memory usage across devices
Ensure clean HTML/CSS integration for UI components and responsive layouts
Drive continuous improvement in tooling, processes, and documentation
Support recruitment and onboarding of frontend developers

Requirements:

Proven experience in HTML5 slot game development is a must
7+ years of JavaScript experience, with strong knowledge of TypeScript and modern JS patterns (ES6+, async/await, modules, etc.)
Experience with React Pixi or integrating PixiJS into larger app frameworks
2+ years of experience in a team lead or technical lead position
Deep knowledge of PixiJS and performance-optimized 2D rendering
Strong command of HTML/CSS, including responsive and cross-browser layouts
Familiarity with serialization protocols such as Protobuf, MessagePack, or similar
Familiarity with Webpack for bundling and serialization
Hands-on experience in implementing and monitoring production apps with tools like Sentry, LogRocket, or Datadog
Experience integrating animations (Spine or similar skeletal animation tools)
Solid understanding of software architecture principles (e.g., SOLID, FSD)
Comfortable working in Agile/Scrum teams with DevOps mindset
Strong communication and mentoring skills, capable of managing developers in international teams

Nice to Have

Working knowledge of Node.js, REST APIs, and full-stack architecture
Experience with AWS services (e.g., EC2, S3, CloudFront, ECS) and GitLabCI
Hands-on with WebGL, Three.js, or custom particle/visual effects
Familiarity with Strapi or other CMS solutions
Background in micro frontends and scalable frontend architectures
Knowledge of Next.js or similar SSR frameworks
Awareness or usage of AI-assisted development tools (e.g., GitHub Copilot, Cursor)

Key Skills

Ranked by relevance

pixijs responsive javascript typescript animation webpack devops react webgl html5 cicd aws ecs ai s3 ui 2d

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Country Guide

Poland

Fast-growing Central European IT hub

Posted: Jul 07, 2025
Type: Full-time
Level: Mid-Senior
Location: Poland
Company: VeliTech

Industries

Internet Publishing