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Java Backend Engineer – On-Chain Payment Integration
Asia / Australia, Melbourne / Australia, Sydney / Hong Kong / Taiwan, Taipei
Engineering – Backend /
Full-time: Remote /
Remote
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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.
We are looking for a Java Backend Engineer with on-chain development experience to join our On-Chain Payments team. You will build the backend infrastructure that bridges traditional banking rails and blockchain networks, enabling seamless fiat-to-crypto conversion and on-chain transaction processing.
Responsibilities
- Design and develop backend systems for on-chain payment flows, including wallet interactions, transaction broadcasting, and confirmation tracking
- Integrate with blockchain networks (EVM-compatible chains and others) for on-chain fund settlement
- Build APIs and services that connect banking channels with on-chain liquidity
- Collaborate with the P2P and Fiat teams on cross-system integrations
- Ensure transaction reliability, idempotency, and fault tolerance across on-chain and off-chain systems
- Monitor chain status and handle edge cases such as reorgs, gas spikes, and failed transactions
Requirements
- 3–5 years of Java backend development experience
- Experience with Web3/blockchain development: on-chain interactions, wallet integrations, smart contract calls
- Familiarity with EVM chains (Ethereum, BSC, etc.) or other L1/L2 ecosystems
- Proficiency in Spring Boot and common distributed system components
- Fluency in English is required to be able to coordinate with overseas partners and stakeholders. Additional languages would be an advantage.
- Experience in fintech or crypto payment systems is a strong plus
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.
By submitting a job application, you confirm that you have read and agree to our Candidate Privacy Notice.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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What does a Java developer in web3 do?
A Java developer in web3 would likely be focused on developing applications that use the Java programming language in the context of the web3 technology stack
Web3 is a collective term used to refer to the next generation of decentralized, blockchain-based technologies that are aimed at creating a more open and secure internet
In this context, a Java developer would be responsible for writing code that interacts with web3 technologies, such as decentralized applications (DApps) and smart contracts, to create new tools and services that run on the blockchain
This could involve working with cutting-edge technologies such as Ethereum, which is a popular blockchain platform that uses the Java programming language, as well as other web3 technologies and frameworks.