Web Backend Engineer

**What You’ll Do** • Develop and maintain backend services for the company website and top-up platform, including integration with third-party payment gateways, handling payment callbacks, and managing order records. • Develop internal GM management tools, supporting functions such as player data queries, account suspension, and in-game item distribution. • Write SQL queries to support operational data reporting (e.g. daily revenue and new user metrics), and proactively identify and report data anomalies. • Maintain backend architecture and enforce the use of namespace standards to ensure clean, well-structured, and maintainable code. **What We’re Looking For** • Proficient in PHP with 3+ years of development experience, and strong coding practices including familiarity with PSR-4 standards and namespaces. • Experience with Laravel or ThinkPHP 6+, with the ability to quickly work within existing projects. • Strong SQL fundamentals, including multi-table queries and index optimization; detail-oriented when handling transaction or financial data. • Familiar with Redis and understanding of concurrency control and idempotency handling for payment APIs. • Able to understand basic frontend code to collaborate effectively with frontend developers. • Strong communication skills in English, with working proficiency in Mandarin preferred to facilitate collaboration with team members and stakeholders from China.