senior java backend engineer java 21 spring boot

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...

About the OKX Card TeamThe OKX Card Team builds the payment infrastructure connecting digital assets to global commerce. Partnering with major card networks like Visa and Mastercard, we power the OKX crypto card platform. Our team handles the full card lifecycle and payment stack—from instant issuance and real-time transaction authorization (Auth) to...

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...

SW8856 |30 Sep 2025 Backend Developer (PostgreSQL / MSSQL / MySQL, Government, 30-45K) Bachelor’s degree in Computer Science or a related field. Minimum of 2 years’ experience in application development and deployment. Solid experience in PostgreSQL, MSSQL, MySQL, and SQL database development. Experience in web application development using Java, Spring...

Location: Hong Kong Experience: 8+ years A leading investment management firm is looking for an experienced Java Developer to build and enhance its core investment and trading technology platforms. The Role Design and develop high-performance, highly available Java/Spring applications . Build scalable backend systems using microservices architecture...

About Reap Reap is a global financial technology company headquartered in Hong Kong with employees across multiple countries. We enable financial connectivity and access for businesses worldwide by combining traditional finance with stablecoins for efficient money movement. About Reap Reap is a global financial technology company headquartered in Hong Kong...

Tech Lead, Platform Team (Backend-Focused) Reap is a global financial technology company headquartered in Hong Kong with employees across multiple countries. We enable financial connectivity and access for businesses worldwide by combining traditional finance with stablecoins for efficient money movement. Through our stablecoin-powered corporate cards,...

Tech Lead, Platform Team (Backend-Focused) Reap is a global financial technology company headquartered in Hong Kong with employees across multiple countries. We enable financial connectivity and access for businesses worldwide by combining traditional finance with stablecoins for efficient money movement. Through our stablecoin-powered corporate cards,...

FWD Group invites an experienced software engineer to join the Employee Benefit technology team in Hong Kong. You will analyse business requirements, design scalable backend solutions with Java/Spring Boot, and lead development, testing, deployment, and production support across the SDLC. You will drive modern engineering practices, including CI/CD, DevOps,...

Responsibilities:Develop and maintain modular software frameworks, data warehouses/lakes, and data integration projects.Perform end-to-end system analysis, design, development, and maintenance for data platforms and applications.Evaluate and implement emerging data technologies to optimize platform performance.Collaborate closely with business users and the...

FWD Group invites an experienced software engineer to join the Employee Benefit technology team in Hong Kong. You will analyse business requirements, design scalable backend solutions with Java/Spring Boot, and lead development, testing, deployment, and production support across the SDLC.You will drive modern engineering practices, including CI/CD, DevOps,...

Team Lead / Senior Developer of Backend Development  Hong Kong About the job Team Lead / Senior Developer of Backend Development - Billing System   We are a leading global CPaaS provider recognized for offering carrier-grade communication solutions for enterprise and carriers. With over 35 years of experience developing industry-leading solutions in...

SW8856 |30 Sep 2025 Backend Developer (PostgreSQL / MSSQL / MySQL, Government, 30-45K) Bachelor’s degree in Computer Science or a related field. Minimum of 2 years’ experience in application development and deployment. Solid experience in PostgreSQL, MSSQL, MySQL, and SQL database development. Experience in web application development using Java,...

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

Optimum Solutions in Hong Kong is seeking a Senior Full Stack Developer to lead end-to-end development of web and mobile applications. You will define architecture, code standards, and cloud practices for scalable Java-based backend and Angular UI, with React Native support for mobile. The role requires 9+ years IT experience including 5+ years in technical...

About BullishBullish is an institutionally focused global digital asset platform that provides market infrastructure and information services. These include: Bullish Exchange – a regulated and institutionally focused digital assets spot and derivatives exchange, integrating a high-performance central limit order book matching engine with automated...

Well Link Financial Group is seeking a Senior Java Engineer / Technical Lead to design, develop, and modernize enterprise core systems for insurance and finance domains. You will build scalable backend services, lead legacy modernization efforts, and ensure high availability across critical domains. You will work with Java, Spring Boot, Spring Cloud,...

Manulife is seeking an senior full-stack software leader in Hong Kong to develop and maintain an end-to-end application stack across frontend, backend and cloud infrastructure. You will participate in architectural discussions and drive feature design while guiding a cross-functional team in a SCRUM environment. Role requires 8+ years of full-stack...

DescriptionJob Responsibilities: Being a member of the online and mobile project team to serve customers in Hong Kong Responsible for the full software development lifecycle, including design, development, testing and system release Manage technical project for mobile payments Acquire and discuss requirements with internal and external users Prepare...

PERSOL in Hong Kong is seeking a Full Stack Software Engineer (React & Node) to join a collaborative team. You will work on customer-facing and back-end services, applying Agile methods to deliver robust software solutions. The role requires hands-on experience with React and Node.js, plus Java Spring Boot, and a track record of at least 2 years in...