Mid/Senior Frontend Engineer (Remote)

Senior Frontend Engineer (Remote) Location: Fully Remote Team: Core | Level: Senior At over99.com , we’re redefining what’s possible in crypto gaming. Our mission is simple: deliver a lightning-fast, seamless, and visually stunning gaming experience powered by cutting-edge blockchain technologies. We're building the most advanced crypto casino platform in the world—and we’re just getting started. We’re looking for a Senior Frontend Engineer who excels at building high-performance, interactive web applications. You’ll own the front-end architecture for our gaming experiences, optimize complex rendering pipelines, craft rich real-time interfaces, and push the limits of what’s possible in browser-based gaming. This is a fully remote role. We value autonomy, trust, and flexibility—and expect you to bring energy, ownership, and leadership wherever you work. What You’ll Be Doing 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 Technologies You’ll Work With: Core Frontend: React TypeScript PixiJS HTML5 canvas & WebGL WebSockets / real-time systems Supporting Tech: Node.js (for integration and understanding API design) PostgreSQL Redis RabbitMQ Bonus Skills (Nice to Have Experience With): Datadog or other front-end observability tools AWS or similar cloud environments CI/CD pipelines for frontend builds Animation systems, physics engines, or game-loop logic Experience in gaming, iGaming, or crypto products What We’re Looking For: Must-Haves: 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 Why Join over99.com ? Be part of a fast-growing and well-funded start-up at the intersection of gaming and blockchain Work with a world-class engineering team—collaborative, autonomous, and impact-driven Own critical parts of the front-end architecture powering next-generation gaming experiences Remote-first culture with flexible hours, asynchronous communication, and no micromanagement Build products you’ll be genuinely excited about What You’ll Get: 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 Ready to Build with Us? Department Tech and Engineering Remote status Fully Remote