Backend Engineer, Java - Web 3 Wallet

Binance; Hong Kong; Remote; HKD 550,000 - 900,000; Full time

Benefits offered by this job

Remote-first

Flat structure

Career growth opportunities

Job summary

Binance is building a decentralized Wallet DEX with on-chain infrastructure and self-custody features. The team seeks a Java developer to design and maintain a high-performance backend system, focusing on reliability and scalability.

You will collaborate across teams to shape architecture, implement robust services, and stay ahead with modern tech, while contributing to the Web3 Wallet initiative within a fast-paced, globally distributed environment.

Qualifications

• 2+ years of Java development experience with a solid CS foundation.
• Proficient in multi-threaded programming, JVM, and MySQL tuning.
• Familiarity with Spring Cloud; experience in large-scale distributed, high-concurrency systems is a plus.
• Strong coding discipline, good communication, and teamwork skills.
• Understanding blockchain knowledge preferred.

Responsibilities

• Design, develop, and maintain a high-performance backend system for Web3 Wallet DEX.
• Contribute to architecture decisions and implement scalable solutions.
• Collaborate with cross-functional teams and stay current with new technologies.

Skills

Java backend development

Multi-threaded programming

JVM expertise

Distributed systems design

MySQL performance tuning

Spring Cloud

Tools

MySQL

Redis

Kafka

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.

The Binance Wallet team is building a decentralized version of Binance, featuring on‑chain infrastructure, self‑custody wallets, a DEX, and decentralized Earn and more. We empower users with full control over their assets for seamless token trading across any blockchain. This Web3 initiative expands our strategic landscape and complements our CEX business, offering significant growth potential. Join us and be part of this exciting journey.

Responsibilities

• Responsible for designing, developing, and maintaining a high-performance system, ensuring the rationality and reliability of the system.
• Understand and apply block‑chain technology, providing corresponding development support for the Web3 Wallet DEX project.
• Collaborate effectively within the team, actively participate in shaping technical architectures and solutions, continuously stay updated on and learn new technologies, and pursue emerging technologies.
• Drive the introduction of innovative technologies and solutions within the team, approaching problem‑solving with an innovative mindset.

Requirements

• 2 years or more of Java development experience with a solid foundation in computer science.
• Proficient in multi‑threaded programming, familiarity with JVM, understanding of common open‑source distributed middleware, caching, message queues, etc., and expertise in MySQL performance tuning.
• Familiarity with frameworks such as Spring Cloud, and prior experience in designing and stabilizing large‑scale distributed, high‑concurrency, high‑load, and high‑availability systems is a plus.
• Enthusiastic about technology, with stringent requirements for code quality and development standards, and effective communication and collaboration skills within a team.
• Strong logical thinking, excellent problem analysis and solving abilities, and a strong sense of responsibility.
• Understanding of blockchain technology, with preference given to candidates with related project experience.

Why Binance

• Shape the future of finance
• Collaborate with world‑class talent in a user‑centric global organization with a flat structure
• Tackle challenging projects in a fast‑paced and innovative enviornment with autonomy
• Thrive in a results‑driven workplace with opportunities for career growth and continuous learning
• Competitive salary and company benefits
• Remote‑first, work‑from‑home arrangement (may vary depending on the nature of the role and team)

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

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