Senior Backend Engineer, Business Security - Platform

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.

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;