Senior Frontend Engineer / Tech Lead (Web/H5 – Gaming)

Employment Type: 1-Year Contract

Job Summary

We are seeking an experienced and hands-on Web/H5 Software Engineer to lead the development of interactive gaming websites, H5 mini-games, in-game web experiences, and player engagement campaigns.

This role focuses on building engaging, high-performance, and reusable web experiences that connect players with game-related activities, including character interactions, personalized player journeys, daily missions, referral programs, and reward-based events.

The successful candidate will be responsible for frontend architecture, H5 development, technical leadership, and cross-platform compatibility, working closely with backend engineers, game developers, marketing teams, and international publishing partners.

Key Responsibilities

1. Interactive Gaming Web & H5 Development

• Lead the design and development of interactive Web/H5 applications, mini-games, and game-related marketing campaigns.

• Develop engaging, responsive web experiences using React, Next.js, TypeScript, HTML5, CSS3, and modern frontend technologies.

• Build reusable H5 components and frameworks to support multiple game events and campaigns.

• Support web experiences accessible through both external browsers and in-game WebView environments.

• Implement interactive UI, animation, state transitions, and gamification features to enhance player engagement.

Examples of projects and interactive features:

• Character Selection & Personalized Player Recap: Develop interactive experiences allowing players to select game characters, view personalized gameplay summaries, generate shareable results, and track in-game reward delivery status.

• New & Returning Player Campaigns: Build web event interfaces featuring player missions, friend invitations, referral links, point accumulation, and lucky draw activities.

• Player Reactivation & Referral Events: Develop interactive journeys for returning players, including invitation code entry, eligibility feedback, referral progress, and reward status tracking.

• Daily Missions & Point Redemption: Create event interfaces supporting daily tasks, progress tracking, point accumulation, reward redemption, and scheduled mission resets.

• Daily Check-in & Login Rewards: Build recurring check-in experiences with daily reward calendars, player progress indicators, and reward claim interfaces.

• H5 Mini-Games & Interactive Events: Develop quizzes, puzzles, character-themed activities, interactive storytelling, and limited-time promotional mini-games.

• In-Game H5 Experiences: Develop H5 pages that can be launched directly within supported PC or mobile game clients and securely integrated with game-related services.

2. Frontend Architecture & Technical Leadership

• Design scalable, maintainable, and reusable frontend/H5 architectures.

• Establish frontend coding standards, component libraries, development guidelines, and code review processes.

• Provide hands-on technical leadership and mentoring to frontend and full-stack developers.

• Evaluate and recommend appropriate frontend technologies and development approaches.

• Ensure consistency, performance, maintainability, and quality across web event applications.

3. Game Platform & API Integration

• Collaborate with backend engineers to integrate player authentication, game account information, event participation, mission progress, and reward-related APIs.

• Support SSO authentication flows and secure session handling.

• Develop frontend interfaces for reward claiming, eligibility validation feedback, and event progress tracking.

• Work with game developers and international publishing partners to support H5 integration through WebView, Deep Links, and approved interfaces.

• Ensure frontend implementations follow security standards and approved backend API contracts.

4. Performance, Quality & Production Support

• Optimize frontend performance, loading speed, animations, and mobile responsiveness.

• Ensure cross-browser and cross-platform compatibility across PC, Android, and iOS.

• Conduct technical reviews, debugging, and functional testing.

• Support CI/CD processes, deployment readiness, and production releases.

• Troubleshoot web/H5 production issues and support incident investigation and resolution.

• Maintain technical documentation and reusable frontend development assets.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field.

• Minimum 5–7 years of experience in frontend or web application development.

• Proven experience as a Technical Lead, Senior Frontend Developer, or similar role.

• Strong hands-on experience with React, Next.js, JavaScript, TypeScript, HTML5, and CSS3.

• Experience developing interactive, responsive, animation-rich, or gamified web applications.

• Strong understanding of RESTful API integration, authentication, session handling, and frontend security.

• Knowledge of modern frontend architecture, component-based development, performance optimization, and responsive design.

• Experience with Git, code reviews, CI/CD, and modern software development practices.

• Strong analytical, problem-solving, and debugging skills.

Preferred Qualifications

• Experience developing H5 mini-games, interactive gaming websites, gamification platforms, or player engagement campaigns.

• Experience with API, or similar interactive web/animation technologies.

• Experience integrating H5 applications with game clients through WebView or Deep Links.

• Familiarity with player account systems, SSO, OAuth 2.0 and token-based authentication.

• Experience with campaign systems involving missions, check-ins, referral programs, leaderboards, or reward redemption.

• Experience working in gaming, digital entertainment, marketing technology, or other consumer-facing digital platforms.

• Experience collaborating with international development teams or game publishers is a plus