senior java backend developer

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...

Ceffu in Hong Kong seeks an experienced backend engineer to design and maintain scalable Java services. You will own backend architecture, build secure APIs, and drive reliability, performance, and high availability across distributed systems.You'll collaborate with cross-functional teams, review code, and advance AI engineering capabilities within the...

Mastermind Asia Limited is seeking a Senior Java Engineer to join our core backend team in Hong Kong. This role requires designing and optimizing resilient distributed systems for large-scale data processing.The ideal candidate will have at least 5 years of experience in Java development, proficiency in distributed systems, and a Bachelor's degree in a...

IO TECH SOLUTIONS LIMITED is seeking a Backend Engineer to design, build, and maintain secure, scalable backend services that power our digital products. You will apply lean and agile principles to delivery and continuously improve platforms, collaborating with cross-functional teams worldwide. You will expert in Java 17+, Spring Boot/Spring Cloud, and cloud...

OKX is seeking a backend developer to join the Asset & Earn Team 2. You will design and build high-performance backend services for Simple Earn, Flash Earn, and Loan products that power millions of users' passive income journeys in crypto. Collaborating with Product, Design, Risk, and Quant teams, you will implement scalable microservices, manage Jumpstart...

oversee projects, drive deliveries and fully hands‑on designing and implementing high quality technical solutions to handle latency‑sensitive trading algorithms design, develop and support front‑office trading applications, working closely with business users to translate complex business and regulatory requirements into innovative solutions apply a...

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...

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking...

A prominent consulting firm in Hong Kong is seeking a Senior System Analyst with at least 6 years of Java development experience. The role involves development, testing, and maintenance of applications primarily in Java and React JS, while working within a leading financial institution. Candidates should have strong communication skills in both English and...

Who We AreGalaxy Digital Inc. (Nasdaq: GLXY) is a global leader in digital assets and data center infrastructure, growing the economy that runs on code. Galaxy delivers the onchain infrastructure that connects institutions to digital assets, including trading, advisory, asset management, staking, self-custody, and tokenization. Galaxy also develops and...

Global Executive Consultants Ltd. is seeking a talented individual for a Java development role in Hong Kong. The candidate will design and implement backend solutions for Securities Trading applications, requiring strong skills in Java and Linux. Candidates must hold a degree in Computer Science and have at least 5 years of relevant experience. Proficiency...

A well-established financial services firm in Hong Kong seeks a Senior Programmer (Java/API) to enhance banking operations through innovative solutions. Responsibilities include maintaining Java applications, managing API integration, and collaborating with cross-functional teams. The ideal candidate has strong Java and API skills, a background in financial...

You'll build and optimize a low‑latency risk & pricing platform for flow volatility products – working side‑by‑side with traders, quants, and sales. Own end‑to‑end delivery of a high‑performance pricing and risk system – from multithreaded Java code and unit tests to production support Partner closely with traders and quants to implement...

United States Digital Space LLC is building the next generation of Web3 platforms, focusing on Wallet Earn and AI Agent Marketplace. You will design and scale back-end services, ensure security, and drive performance across multi-chain investment and asset workflows.The role emphasizes strong Java fundamentals, modern Spring frameworks, and experience with...

A leading consulting firm in Hong Kong is seeking an Analyst Programmer / Software Developer to design, develop, and maintain backend services using Java Spring Boot. The ideal candidate should hold a degree in a relevant field and have at least 3 years of experience in backend development. Key responsibilities include collaborating with front-end developers...

OKX in Hong Kong seeks an experienced backend engineer to design, build, and optimize the Wallet Earn on-chain investment platform. You will scale high-concurrency systems, ensure fund safety, and integrate with DeFi protocols across multiple chains.You will contribute to the AI Agent Marketplace core platform, own architecture of Agent, Task, and Order, and...

Hong Kong Exchanges and Clearing Limited is hiring a senior Java Developer to design, implement and support post‑trade systems for cash equities and derivatives. You will work across the full software development lifecycle, collaborating with cross‑functional teams to deliver secure, scalable solutions.The role requires strong Java skills, experience...

IO Tech Solutions Limited is seeking a Backend Engineer to design, build, and maintain secure, scalable backend services. You will work with cross-functional teams to deliver digital products using lean and agile methods, and contribute to robust architectures powering new experiences. The role emphasizes microservices, REST, Java 17+, Spring Boot and Cloud,...

Company Our client is a fast growing DeFi protocol that is backed by well known traditional financial institutions and Web3.0 investors.  Job Highlights Backend Developer - Java Strong interest in the financial industry Job Description Work with the next generation of decentralized finance builders, DeFi 2.0 They are a team of Wall Street...

Client DescriptionJob DescriptionResponsibilitiesDevelop, implement and test the mobile applicationsInvolve in discussion, planning and brainstorming with teammates and stakeholder to achieve project goalsPerform application maintenance, upgrade and documentationExplore and keep updating mobile related technology and techniquesResponsibilitiesDevelop, test,...