Mid/Senior Frontend Engineer

🕒 June 4

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over99

WebsiteLinkedInAll Job Openings

11 - 50 employees

🎮 Gaming

🎲 Gambling

Gaming • Gambling

over99 is a Berlin-based iGaming company that builds next-generation casino products, games, and player experiences. They develop innovative casino games, run marketing and affiliate programs, scale brands, and provide world-class player support and operations. With a focus on bold design, data-driven growth, and owning platforms, over99 aims to shape the future of digital entertainment in the iGaming space.

📋 Description

• Build and improve high-quality frontend features across the Over99 webapp and games surfaces. • Work with React, Vue 3, TypeScript, Vite, and modern frontend tooling to deliver fast, reliable user experiences. • Own frontend implementation for interactive product flows across wallets, balances, gameplay, account features, promotions, and real-time updates. • Collaborate with engineers 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 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. • 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.

🏖️ 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