over99

Senior Frontend Engineer

over99

full-time

Posted on:

Location Type: Remote

Location: United States

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Job Level

Senior

Tech Stack

AWSCloudJavaScriptNode.jsReactTypeScript

About the role

  • Own the design and implementation of our frontend architecture, ensuring fast, fluid, and responsive user experiences across devices.
  • Build and optimize interactive, real-time gaming interfaces using React, TypeScript, and PixiJS.
  • Work closely with product and design to translate game mechanics, animations, and interactions into high-quality frontend implementations.
  • Integrate with backend APIs and real-time systems (WebSockets, Pub/Sub) to deliver smooth multiplayer and live gaming features.
  • Develop reusable UI components, internal tooling, and performance-focused rendering systems.
  • Ensure front-end performance, accessibility, reliability, and security.
  • Collaborate cross-functionally with backend engineers, designers, and DevOps on end-to-end implementation of new gaming features.
  • Implement high-quality testing, monitoring, and observability for frontend systems.
  • Drive best practices across code quality, architecture, CI/CD, and frontend development workflows.
  • Mentor engineers and contribute to a culture of technical excellence.

Requirements

  • 5+ years of professional software engineering experience with a strong focus on frontend development.
  • Deep expertise in React and TypeScript, including performance optimization and complex state management.
  • Experience building high-performance, graphics-heavy, or real-time applications (e.g., WebGL, Canvas, animations, games).
  • Strong understanding of client-side performance, rendering pipelines, and modern browser capabilities.
  • Experience integrating with real-time APIs (WebSockets, event streams).
  • Familiarity with modern CI/CD workflows for frontend apps.
  • Nice-to-Have
  • Background in crypto, gaming, or iGaming.
  • Experience with multiplayer systems, client-server sync, or animation frameworks.
  • Comfort working with Node.js for API integration or build tooling.
  • Experience leading initiatives or mentoring engineers.
  • Knowledge of cloud deployment environments (AWS) and containerization.
Benefits
  • Competitive Salary – We pay top-of-market for top-tier talent
  • Remote-First Work Environment – Work from anywhere
  • Generous Holiday Allowance
  • Flexible Time Off & Hours – We focus on output
  • Performance-Related Bonus – We reward meaningful impact
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
ReactTypeScriptPixiJSWebSocketsPub/SubWebGLCanvasCI/CDNode.jsperformance optimization
Soft Skills
mentoringcollaborationtechnical excellencecommunication