Senior ReactJS Engineer

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🕒 April 1

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Fliff Inc

WebsiteLinkedInAll Job Openings

11 - 50 employees

🎮 Gaming

⚽ Sports

👥 B2C

💰 Venture Round on 2022-08

Gaming • Sports • B2C

Fliff Inc. is a social sportsbook platform that transforms sports predictions into a play-for-fun social game. The company provides users with free daily credits to make sports picks and earn rewards without requiring any purchase. Users can win Fliff Coins to progress in leaderboards and earn badges, and Fliff Cash in promotional games, which can be redeemed for prizes. Fliff emphasizes social interaction, offering challenges, loyalty rewards, and referral bonuses while remaining compliant with gaming regulations across the United States, excluding Washington.

📋 Description

• Develop and maintain responsive web applications using ReactJS, ensuring a seamless experience across devices. • Collaborate with backend, DevOps, and designers to implement new features and optimize the live product. • Support the live platform by identifying and resolving real-time performance issues. • Design scalable solutions with attention to responsive UIs using pure CSS/SCSS without relying on external frameworks. • Mentor junior engineers and provide code reviews to maintain high standards. • Leverage Redux, React-Redux bindings, and middleware (Thunk/Saga) for state management. • Implement RESTful APIs using axios and fetch, with optional GraphQL integration via Apollo client.

🎯 Requirements

• 5+ years of experience building modern web applications, with strong expertise in ReactJS and React Hooks (useState, useEffect, custom hooks). • Advanced TypeScript skills, including utility types (Partial, Pick), generics, and infer keyword usage. • Solid understanding of Redux mechanics, React-Redux bindings, and internal hooks. • Strong CSS/SCSS knowledge, with the ability to build reusable, responsive UIs without external libraries (e.g., Material UI, Tailwind). • Knowledge of WebSockets (native and socket.io) to handle real-time data. • Experience with RESTful APIs, axios, and fetch, with optional GraphQL and Apollo Client experience. • Familiarity with React Router for dynamic imports, lazy loading, and code splitting. • Comfortable with UI tools like Figma, along with React DevTools, Chrome debugger, and testing tools such as Jest and Cypress. • Adaptability and problem-solving skills to handle real-time challenges and evolving project requirements. • Strong communication skills and a collaborative mindset to work effectively with cross-functional teams.

🏖️ Benefits

• Competitive compensation package. • Opportunity for professional development in a dynamic, fast-growing company. • Supportive, collaborative, and knowledge-driven work environment. • Engaging and challenging role with the freedom to innovate and build exciting solutions in the sports gaming industry.