Senior Frontend Developer at 247Bet

About the Role

A reputable organization seeks a dedicated Senior Frontend Developer to lead frontend development for high-performance betting applications. You'll architect solutions that handle thousands of concurrent users and real-time data streams, ensuring seamless performance across all devices—from flagship iPhones to budget Android devices operating on African internet speeds.

Key Responsibilities

• Build sophisticated web applications with React/Next.js/TypeScript
• Develop native-feeling mobile apps with React Native
• Implement real-time features using WebSockets
• Optimize applications for African internet speeds and budget devices
• Lead technical architecture decisions
• Mentor junior developers and drive best practices
• Create reusable component libraries and design systems

Required Qualifications

• 5+ years of frontend development experience
• Deep expertise in React OR React Native (or both)
• Working knowledge of the other platform
• Expert JavaScript/TypeScript skills
• Advanced state management patterns
• Real-time application experience
• Strong system design capabilities

Nice to Have

• Betting, gaming, or fintech industry experience
• Expertise in both React AND React Native
• Published apps in production
• Team leadership experience
• Performance optimization at scale

Location

Lagos, Nigeria