staff java backend developer

HTK is seeking a Java Spring Boot Developer to develop and maintain enterprise applications. The role involves coding, troubleshooting, peer code reviews, and working closely with offshore development teams to resolve technical issues and ensure quality deliverables.You will design RESTful APIs, implement backend services, and participate in Agile ceremonies...

ADECCO is seeking a seasoned Workflow Engineer to design, develop, and support enterprise workflow applications in a secure financial services tech environment in Hong Kong. You will build backend solutions using Java, Spring, IBM MQ and Oracle DB, create reusable frameworks, and collaborate across architecture, infrastructure, and development teams to...

ADECCO is seeking a seasoned Workflow Engineer to design, develop, and support enterprise workflow applications in a secure financial services tech environment in Hong Kong. You will build backend solutions using Java, Spring, IBM MQ and Oracle DB, create reusable frameworks, and collaborate across architecture, infrastructure, and development teams to...

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...

About FireworkJoin Firework – Where Innovation Meets ImpactFirework is redefining the future of commerce as an AI and video commerce company — combining cutting-edge technology, an exclusive network of enterprise brands and retailers, and a first-mover position to win the agentic commerce race.We've built the world's most advanced and largest video...

Swing Consulting Ltd. is looking for a skilled Java Developer to join their team in Hong Kong. The ideal candidate will design, build, and maintain scalable backend microservices and APIs in a dynamic financial environment.This role requires proficiency in Java, as well as cloud and container technologies. Benefits include a competitive salary based on...

About company: We are looking for a Backend Java/Python Developer to join our core development team. The successful candidate will participate in greenfield projects building large-scale trading and quotation systems. Daily tasks include, but are not limited to: Responsibilities Engage in all stages of the software development life cycle: establishing...

About company: https://www.hashoptima.com/We are looking for a Backend Java/Python Developer to join our core development team. The successful candidate will participate in greenfield projects building large-scale trading and quotation systems. Daily tasks include, but are not limited to:ResponsibilitiesEngage in all stages of the software development life...

About FireworkJoin Firework - Where Innovation Meets ImpactFirework is redefining the future of commerce as an AI and video commerce company — combining cutting-edge technology, an exclusive network of enterprise brands and retailers, and a first-mover position to win the agentic commerce race.We've built the world's most advanced and largest video...

Work on enterprise-scale digital transformation projects.Gain exposure to cloud-native and microservices technologies. About Our Client Our client is an organisation in the Technology & Telecoms industry located in Kowloon. Job Description Design, develop, and maintain enterprise applications using Java and modern web technologies. Build scalable backend...

About Firework Join Firework – Where Innovation Meets Impact Firework is redefining the future of commerce as an AI and video commerce company — combining cutting-edge technology, an exclusive network of enterprise brands and retailers, and a first-mover position to win the agentic commerce race. We've built the world's most advanced and largest video...

OKX Wallet is OKX's self-custody wallet, built to securely store and manage on-chain assets for users worldwide. We seek a Staff/Senior Java Engineer to own core backend modules and drive high-concurrency wallet features.You'll work across multi-chain environments (EVM, Tron, Solana) and apply sound engineering judgment, system design, and security awareness...

Design, develop, and maintain secure, scalable backend services using Java and Spring Boot. Build and integrate RESTful APIs for policy management, claims processing, and billing systems. Write clean, maintainable, and well-tested code following industry best practices. Maintain data privacy and security compliance across all financial and customer...

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...

DescriptionParticipate in system design, development, testing and implementation of mobile app / web / backendDesign, build and maintain applications for iOS platform and Android platform using Google Flutter programming languageCreate rich, accessible and optimised websites using modern HTML, CSS/SCSS and JavaScript techniquesCreate prototypes, develop...

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...

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...

Senior Staff Engineer (Java), Liquidity Platform, Cash OTC Hong Kong, Hong Kong SAR About the Opportunity Liquidity Platform provides cutting‑edge technology that covers all aspects of crypto trading. We build low‑latency connectivity to global crypto venues, including both Cefi and Defi venues, strategy services for automated pricing and trading bots,...

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...

Staff/Senior Java Engineer, OKX Wallet (Web3) Who We Are OKX Wallet is OKX's self-custody wallet, built for users worldwide to securely and conveniently store, manage, and use their on-chain assets. The wallet backend operates in a multi-chain, multi-asset, high-concurrency environment shaped by on-chain state uncertainty and strict fund-security...