Web3 Security Senior Software Engineer (Java)

As a Web3 Security Senior Software Engineer at Binance, you will participate in the architecture design, development, and optimization of backend systems within our Web3 security domain. You'll work on complex, large-scale systems serving 300+ million users across 100+ countries, ensuring high performance, availability, reliability, and scalability.

What you'll do

• 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

What you bring

• 5+ years of backend development experience, preferably in blockchain, Web3 security, anti-fraud, risk control, or related domains
• Solid experience designing and delivering complex backend systems in large-scale, high-concurrency, or data-intensive environments
• Proficiency in Java technology stack, especially Spring Boot and Spring Cloud
• Strong knowledge of MySQL and common NoSQL databases, with practical experience in backend service development and optimization
• Familiarity 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 or 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 cross-functional environment

Nice to have

• Knowledge of blockchain and familiarity with on-chain data
• Familiarity with AI and machine learning concepts
• Experience in performance tuning for JVM, SQL, RPC, and related systems
• Fluency in English

What we offer

• Competitive salary and company benefits
• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)

About Binance

Binance is the world's largest cryptocurrency exchange by trading volume and registered users, trusted by 300+ million people across 100+ countries. The company provides industry-leading security, user fund transparency, and a comprehensive portfolio spanning trading, finance, education, research, payments, institutional services, and Web3 features.