Mid/Senior Frontend Engineer (Remote)

over99 seeks a Mid/Senior Frontend Engineer to build advanced crypto gaming experiences. This remote role focuses on React/Vue architecture, real-time features, and AI-assisted development workflows.

The company is redefining what's possible in crypto gaming by building the most advanced crypto casino platform. The role involves owning critical parts of the front-end architecture for next-generation gaming experiences.

Responsibilities

• Develop and enhance high-quality frontend features for the Over99 web application and game interfaces.
• Utilize React, Vue 3, TypeScript, Vite, and modern tooling to create fast and reliable user experiences.
• Implement interactive product flows including wallets, balances, gameplay, account settings, promotions, and real-time updates.
• Collaborate with engineering teams on frontend architecture, reusable components, state management, and performance optimization.
• Build and refine real-time client-server features using technologies like Socket.IO, WebSockets, and event-driven updates.
• Contribute to game-facing frontend experiences involving animations, sound, timing, physics, and responsive interaction patterns.
• Partner closely with product managers, designers, backend engineers, and QA to deliver polished end-to-end features.
• Use observability practices and tools like Datadog to understand frontend health, debug production issues, and improve user impact.
• Write maintainable, tested code and contribute to code reviews, CI/CD workflows, and team engineering standards.
• Mentor less experienced engineers through thoughtful reviews, pairing, technical guidance, and strong examples of ownership.

Requirements

• 4+ years of professional software engineering experience, with strong frontend engineering depth.
• Proficiency with JavaScript, TypeScript, HTML, CSS, and modern frontend development.
• Strong experience building production web applications with React, Vue, or similar modern frontend frameworks.
• Solid understanding of component architecture, state management, API integration, and responsive UI development.
• Experience building or optimizing high-performance interactive experiences, including animations, real-time updates, and client-server communication.
• Comfort using AI-assisted engineering workflows with Cursor IDE, LLMs, and related developer tools.
• Strong Git, code review, testing, CI/CD, and modern development workflow experience.
• Ability to work independently in a remote-first team while staying communicative, reliable, and ownership-driven.
• Strong product sense, debugging ability, and practical judgment when balancing quality, speed, and maintainability.

Nice to have

• Experience with React Query, Vue Query, Pinia, Vuex, or similar state/data management tools.
• Experience with Socket.IO, WebSockets, or real-time product features.
• Experience with animations, canvas-style interactions, physics engines, sound, or game UI.
• Exposure to Node.js APIs or backend-adjacent development.
• Hands-on experience with Cursor, MCP servers, AI coding agents, custom IDE integrations, or other LLM-assisted development workflows.
• Background in crypto, gaming, gambling, or iGaming platforms.
• Familiarity with observability tools like Datadog.
• Experience with cloud deployment, Docker, or AWS.
• Experience mentoring engineers or leading frontend feature delivery.

What the company offers

• 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.

About the company

The company is a fast-growing and well-funded start-up at the intersection of gaming and blockchain. The engineering team is collaborative, autonomous, and impact-driven. The culture is remote-first with flexible hours, asynchronous communication, and no micromanagement.

• The company is a fast-growing and well-funded start-up at the intersection of gaming and blockchain.
• The engineering team is collaborative, autonomous, and impact-driven.
• The culture is remote-first with flexible hours, asynchronous communication, and no micromanagement.