Web3 Security Senior Software Engineer (Java)

BlockchainHQ; United States; Remote; USD 120,000 - 190,000; Full time

Benefits offered by this job

Competitive salary

Work-from-home flexibility

Job summary

Binance is seeking an experienced backend engineer to design, build, and optimize secure Web3 backend systems. You will work on scalable services with Java, Spring Boot, and Spring Cloud, addressing high concurrency and data-intensive workloads.

You will collaborate with global teams to translate security requirements into robust technical plans, contribute to big data workflows, and continuously enhance system reliability and performance.

Qualifications

• 5+ years of backend development experience in blockchain or security domains.
• Experience designing large-scale, high-concurrency backend systems.
• Proficient in Java with Spring Boot/Spring Cloud.

Responsibilities

• Architect, develop, and optimize backend systems in Web3 security.
• Migrate and upgrade existing services to improve stability.
• Collaborate with product and cross-functional teams to translate requirements.
• Work with data teams on data collection, cleaning, and analysis.
• Design big data workflows for security and threat detection.
• Communicate and coordinate with global teams for project execution.

Skills

Java

Spring Boot

Spring Cloud

Backend design

Distributed systems

Data processing

Tools

Kafka

Hadoop

Hive

Spark

Elasticsearch

Airflow

Flink

Redis

Job description

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.

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.

Good-to-have

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

Why Binance

• Shape the future with the world’s leading blockchain ecosystem
• 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
• Thrive in a results-driven workplace with opportunities for career growth and continuous learning
• Competitive salary and company benefits
• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)

Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.