Senior Backend Engineer, Business Security - Platform

Responsibilities

• Design and implement high-performance, highly stable platform services
• Support data calculation needs for intelligent risk decision. Delivering high-quality and efficient data computing products
• Participate in offline and real-time data development to support risk analysis, model training, and other risk-related data needs
• Research, evaluate, and apply industry best practices and AI in anti-fraud system engineering
• Collaborate closely with product, algorithm/strategy, and platform teams to ensure smooth integration and evolution of the anti-fraud system.

Requirements

• Bachelor’s degree or above in computer science or a related field
• At least 1 Year of full time experience in designing and optimizing high-concurrency, high-availability backend services
• At least 1 year of full time experience in big data platforms such as Flink, Spark
• Hands-on experience in applying or fine-tuning LLM/AI
• Strong problem-solving skills with the ability to abstract complex business logic into scalable system designs;
• Effective cross-functional communication and collaboration skills, with a proactive and ownership-driven mindset;