Senior Backend Engineer – Java / Go

• Design, develop, and continuously evolve core backend systems for Social products
• Improve system performance, stability, availability, and overall technical quality
• Develop a deep understanding of product and operational goals, collaborating with product, operations, algorithm, and client engineering teams to deliver innovative projects
• Translate complex business requirements into clear, reusable, and scalable system capabilities
• Improve service governance, data pipelines, monitoring and alerting, incident response, and engineering productivity
• Identify technical bottlenecks as the business evolves and drive medium- to long-term technical planning
• Explore a Human + AI collaborative development model, using AI to improve requirements analysis, coding, testing, troubleshooting, and delivery efficiency
• Participate in technical design reviews, code reviews, and engineering capability building to continuously improve software quality

• Proficiency in Java or Go, with strong computer science fundamentals and software engineering skills
• Solid knowledge of distributed systems, microservices, message queues, caching, databases, and service governance
• Experience designing and building large-scale, highly concurrent, highly available online systems
• Strong technical judgment and business acumen, with the ability to balance business value, user experience, and technical cost
• Results-oriented, with strong problem-solving and cross-functional project execution skills
• Proficiency with AI-powered coding and development tools, with the ability to integrate AI effectively into engineering workflows while maintaining code quality, security, and maintainability
• Preferred: Experience with social platforms, content communities, instant messaging, recommendation systems, or user growth
• Preferred: Experience building feeds, comments and interactions, social graphs, messaging, or real-time communication systems
• Preferred: Experience with global, large-scale internet products or cross-region systems
• Preferred: Experience in complex system architecture, technical planning, or cross-functional collaboration

• Competitive salary and company benefits
• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)
• Opportunities for career growth and continuous learning
• Collaborate with world-class talent in a user-centric global organization with a flat structure
• Tackle unique, fast-paced projects with autonomy in an innovative environment
• Results-driven workplace