Mid/Senior Frontend Engineer (Remote)

June 5, 2026

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Location: Fully Remote Team: Core | Level: SeniorAt <a target="_blank" href="http://over99.com">over99.com</a>, 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<ul><li>Build and improve high-quality frontend features across the Over99 webapp and games surfaces.</li><li>Work with React, Vue 3, TypeScript, Vite, and modern frontend tooling to deliver fast, reliable user experiences.</li><li>Own frontend implementation for interactive product flows across wallets, balances, gameplay, account features, promotions, and real-time updates.</li><li>Collaborate with engineers on frontend architecture, reusable components, state management, and performance optimization.</li><li>Build and refine real-time client-server features using technologies like <a target="_blank" href="http://Socket.IO">Socket.IO</a>, WebSockets, and event-driven updates.</li><li>Contribute to game-facing frontend experiences involving animations, sound, timing, physics, and responsive interaction patterns.</li><li>Partner closely with product managers, designers, backend engineers, and QA to deliver polished end-to-end features.</li><li>Use Cursor IDE, LLMs, and AI-assisted coding workflows heavily as part of day-to-day engineering, including MCP-powered integrations and custom tooling on top of Cursor.</li><li>Use observability practices and tools like Datadog to understand frontend health, debug production issues, and improve user impact.</li><li>Write maintainable, tested code and contribute to code reviews, CI/CD workflows, and team engineering standards.</li><li>Mentor less experienced engineers through thoughtful reviews, pairing, technical guidance, and strong examples of ownership.</li></ul> Technologies You’ll Work With<h3>Core Infrastructure:</h3><ul><li>React</li><li>TypeScript</li><li>Vite</li><li>Vue 3</li><li>Tailwind CSS / Sass</li><li>React Query / Vue Query</li><li>Pinia / Vuex</li><li><a target="_blank" href="http://Socket.IO">Socket.IO</a> / WebSockets</li><li>Node.js</li><li>PostgreSQL</li><li>Redis</li><li>RabbitMQ</li><li>Cursor IDE / LLM-assisted development</li><li>MCP integrations</li></ul><h3>Game / Interactive Frontend:</h3><ul><li>Matter.js</li><li>GSAP</li><li>Howler</li><li>Animation and rendering performance</li><li>Real-time gameplay UX</li></ul>Bonus Skills (Nice to Have Experience With):<ul><li>Datadog</li><li>AWS</li><li>CI/CD Pipelines</li><li>Docker</li><li>iGaming, crypto, or gaming products</li></ul>What We’re Looking ForMust-Haves:<ul><li>4+ years of professional software engineering experience, with strong frontend engineering depth.</li><li>Proficiency with JavaScript, TypeScript, HTML, CSS, and modern frontend development.</li><li>Strong experience building production web applications with React, Vue, or similar modern frontend frameworks.</li><li>Solid understanding of component architecture, state management, API integration, and responsive UI development.</li><li>Experience building or optimizing high-performance interactive experiences, including animations, real-time updates, and client-server communication.</li><li>Comfort using AI-assisted engineering workflows with Cursor IDE, LLMs, and related developer tools.</li><li>Strong Git, code review, testing, CI/CD, and modern development workflow experience.</li><li>Ability to work independently in a remote-first team while staying communicative, reliable, and ownership-driven.</li><li>Strong product sense, debugging ability, and practical judgment when balancing quality, speed, and maintainability.</li></ul>Nice-to-Have:<ul><li>Experience with React Query, Vue Query, Pinia, Vuex, or similar state/data management tools.</li><li>Experience with <a target="_blank" href="http://Socket.IO">Socket.IO</a>, WebSockets, or real-time product features.</li><li>Experience with animations, canvas-style interactions, physics engines, sound, or game UI.</li><li>Exposure to Node.js APIs or backend-adjacent development.</li><li>Hands-on experience with Cursor, MCP servers, AI coding agents, custom IDE integrations, or other LLM-assisted development workflows.</li><li>Background in crypto, gaming, gambling, or iGaming platforms.</li><li>Familiarity with observability tools like Datadog.</li><li>Experience with cloud deployment, Docker, or AWS.</li><li>Experience mentoring engineers or leading frontend feature delivery.</li></ul>Why Join <a target="_blank" href="http://over99.com">over99.com</a>?<ul><li>Be part of a fast-growing and well-funded start-up at the intersection of gaming and blockchain</li><li>Work with a world-class engineering team—collaborative, autonomous, and impact-driven</li><li>Own critical parts of the front-end architecture powering next-generation gaming experiences</li><li>Remote-first culture with flexible hours, asynchronous communication, and no micromanagement</li><li>Build products you’ll be genuinely excited about</li></ul>What You’ll Get:<ul><li>Competitive Salary – We pay top-of-market for top-tier talent</li><li>Remote-First Work Environment – Work from anywhere</li><li>Generous Holiday Allowance</li><li>Flexible Time Off & Hours – We focus on output</li><li>Performance-Related Bonus – We reward meaningful impact</li></ul>Ready to Build with Us?

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