staff java backend developer

Senior/Staff Engineer, Liquidity Platform, Trading Service Hong Kong, Hong Kong SAR 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...

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...

Swing Consulting Ltd. is seeking a Senior Full Stack Developer in Hong Kong to design, develop, and maintain end-to-end applications. You will build secure interfaces and optimize backend-frontend integration for high-performance systems. The role requires 5+ years of experience with ReactJS, Java, Spring Boot, RESTful APIs, and databases (MS SQL/MySQL)....

Company Introduction: We’re home to Asia's most dynamic and vibrant capital markets.Connecting capital, ideas, inspiration and innovation for deeper, more diverse and liquid global capital markets; providing greater choice and opportunity for our customers, each and every day.HKEX is a purpose-driven company. Our commitment to the long-term development of...

Employment Type: Contract Job Title: Mobile App Developer Location: Remote Employment Type: Contract Job Summary We are looking for a creative and driven Mobile App Developer to design, build, and maintain the next generation of our mobile applications. You will oversee the entire application lifecycle—from ideation and design to development, testing, and...

Lead technical solutions with real impact across enterprise platforms Hands-on role combining leadership and modern full-stack technologies About Our Client Our client is a large organization within the Technology & Telecoms industry, known for its commitment to delivering innovative solutions. With a focus on cutting-edge technology and collaboration, the...

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...

SW9001 |16 Jun 2026 Programmer (AI / Python / Java, Government, 20-25K)Design, develop, and implement web-based IT systems and innovative AI/LLM solutions.Manage end-to-end application and database setup, configuration, and daily operations.Build robust backend services utilizing Python, FastAPI, and RESTful APIs.Evaluate and integrate modern technologies,...

About Ceffu Ceffu is a leading institutional-grade digital asset custody platform, offering secure, compliant, and scalable solutions for enterprises, hedge funds, and financial institutions. Our mission is to provide cutting-edge security and infrastructure to support the seamless integration of blockchain technology into institutional finance. Job...

OKX is seeking a professional for a Senior/Staff-level role in Risk & Analytics Engineering based in Hong Kong. This position focuses on developing a next-generation risk platform, enhancing risk monitoring, and collaborating across teams to manage risk in a volatile market.Ideal candidates will have significant experience in quantitative trading,...

Responsibilities Develop and maintain full stack web applications across frontend and backend. Build and integrate AI-powered features such as chatbots, recommendation systems, intelligent search, and automation tools. Integrate pre-built or internally developed AI/ML models into applications. Build and consume RESTful APIs and backend services. Create...

Role Title: Full Stack Engineer (Contract) Duration: 1 Year Executive Summary The Role: A 12-month contract for a senior-level Full Stack Developer within a global financial services firm. Tech Stack: Python, Java, React, Next.js, JavaScript, Docker, Kubernetes, SQL, and NoSQL. Core Task: Building and optimizing automation tools, microservices, and...

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...

Job DescriptionSupport the entire application lifecycle (concept, design, test, release and support)Produce fully functional mobile or backend applications writing clean codeGather specific requirements and suggest solutionsTroubleshoot and debug to optimize performanceDesign interfaces to improve user experienceLiaise with Product development team to plan...

US-based IT service vendor / Client: Global renowned innovation company Job Description Proficient in one of more of the following languages: Objective-C, Swift, Java, C++ Proficient in resolving complex failures using advanced debugging techniques 5+ years of experience cross functionally designing & developing software Experience in iOS, macOS, web,...

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...

OKX will be prioritising applicants who have a current right to work in Hong Kong, and do not require OKX's sponsorship of a visa.   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...

Job Description Support the entire application lifecycle (concept, design, test, release and support) Produce fully functional mobile or backend applications writing clean code Gather specific requirements and suggest solutions Troubleshoot and debug to optimize performance Design interfaces to improve user experience Liaise with Product development team to...

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...

ResponsibilitiesDevelop and maintain full stack web applications across frontend and backend.Build and integrate AI-powered features such as chatbots, recommendation systems, intelligent search, and automation tools.Integrate pre-built or internally developed AI/ML models into applications.Build and consume RESTful APIs and backend services.Create responsive...