Security Senior Software Engineer (Java)

Responsibilities • Participate in the architecture design, development, and optimization of backend systems within Binance’s Web3 security domain, ensuring high performance, availability, reliability, and scalability. • Maintain, migrate, and upgrade existing backend and security service systems to continuously improve service quality and system stability. • Design and implement new services and technical solutions, working closely with product managers and cross-functional teams to translate business and security requirements into actionable technical plans. • Collaborate with specialist and operation teams to improve security systems, automated tools, and threat detection capabilities, enhancing operational efficiency and automation. • Work with analysts and data teams on data collection, cleaning, modeling, and analysis to support security-related use cases. • Participate in the design and implementation of backend and big data workflows for Web3 security and security control scenarios. • Communicate and collaborate effectively with internal and external stakeholders, including global teams, to ensure smooth project execution. Requirements • 5+ years of backend development experience, preferably in blockchain, Web3 security, anti-fraud, risk control, or related domains. • Solid experience in designing and delivering complex backend systems in large-scale, high-concurrency, or data-intensive environments. • Proficient in Java technology stack, especially Spring Boot, Spring Cloud, and related frameworks. • Strong knowledge of MySQL and common NoSQL databases, with practical experience in backend service development and optimization. • Familiar with distributed systems design and middleware technologies, such as distributed caching, message queues (e.g. Kafka), service discovery, and configuration management. • Hands-on experience with big data technologies such as Hadoop, Hive, Spark, HBase, Kafka, Flink, Airflow, or Elasticsearch. • Experience in data-related development, including data collection, cleaning, and real-time/batch processing. • Strong problem-solving skills, proactive learning attitude, and genuine interest in Web3 security challenges. • Good communication and teamwork skills, with the ability to work effectively in a fast-paced, cross-functional environment.