senior java backend developer

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...

Currenxie is a fintech company in Hong Kong delivering borderless payment and banking capabilities to businesses worldwide. We seek a skilled Backend Developer to join our agile team, building scalable APIs and services with a modern stack. You will translate product requirements into robust server-side solutions, contribute to architecture, write tests, and...

Key Responsibilities 1. Backend System Development : Design and implement robust, scalable, and high-performance backend systems using Java. Collaborate with cross-functional teams to deliver high-quality software solutions. 2. Application Optimization : Optimize system performance, including thread management, memory usage, and database access. Ensure...

Aura Labs Limited is seeking a Senior Software Engineer in Hong Kong to design, develop, and maintain scalable backend services that power digital experiences for commercial real estate clients.You will architect APIs, integrate third-party systems, and ensure high performance and reliability. The role involves mentoring engineers, collaborating with product...

At Lalamove, we believe in the power of community. Millions of drivers and customers use our technology every day to connect with one another and move things that matter. Delivery is what we do best and we ensure it is always fast and simple. Since 2013, we have tackled the logistics industry head on to find the most innovative solutions for the world’s...

Responsible for the full Software Development Life Cycle (SDLC)Collaborate with the team to develop and maintain web applications and backend systems using Java and ReactCoordinate with internal and external stakeholders to deliver successful technical solutionsEnhance system performance and user experience by working closely with business users and IT...

The Analyst - Application Development is responsible for working with hands-on development tasks, solution design and cooperate with distributed team to complete the development projects. Provide technical expertise on design, analysis, implementation on web/mobile application, enterprise systems, and Java-based cloud/non-cloud system integrations. Primary...

A leading SaaS platform provider in Hong Kong seeks a Senior Backend Engineer to drive core backend features for their multi-tenant WhatsApp Business API platform. This role involves designing APIs, debugging production issues, and using AI coding agents as a core part of the development workflow. The ideal candidate will have over 5 years of experience in...

A consulting firm in Hong Kong seeking a talented Senior Analyst Programmer/System Analyst to enhance its software solutions. Candidates must have a university degree in Computer Science or related field, with over 5 years of experience in system development and a thorough knowledge of Java11+, Spring, and other relevant technologies. Strong communication...

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. Develop...

Client Description Online lifestyle media and e-business company Job Description PHP Web Developer (Digital Solutions) Responsibilities Responsible for the development on web application features for external clients Participate in program coding, testing, implementation and maintenance support Assist in documentation update and conduct testing Candidate...

A well-established IoT products company in Hong Kong is seeking a skilled Software Developer to join their team. The role involves backend application development, cloud environment configuration, and support for various development teams. Candidates should have a degree in Computer Science or related field, at least 3 years of software development...

Well-established IoT products manufacturing and R&D company Job Description Candidates with more experience will be considered as Senior Analyst Programmer. Responsibilities IoT end-user application design and development Support Smart Device development team, backend development team and QA team Backend application development, cloud environment...

Constraint Technologies International in Melbourne and CTI (Hong Kong) seeks a seasoned resource to support legacy real-time systems based on the C, C++ and Java stack in a Unix/Linux environment. The role focuses on maintenance, enhancement and incident resolution for mission-critical crew scheduling and operations software used by a major airline.You will...

Client Description Online lifestyle media and e-business company Job Description PHP Web Developer (Digital Solutions) Responsibilities Responsible for the development on web application features for external clients Participate in program coding, testing, implementation and maintenance support Assist in documentation update and conduct testing ...

A telecom solutions company based in Hong Kong seeks a Backend Systems Developer to work on microservices architecture focusing on 5G and IoT. The role involves enhancing existing backend systems, conducting research for new technologies, and collaborating with business teams. Candidates should have a degree in Computer Science and experience in CI/CD...

Video Rebirth Limited seeks a seasoned backend engineer to design, develop, and optimize the production system, data prep infrastructure, and cloud environments. You will collaborate with model researchers to enable training and deployment of AI models, ensuring reliability and scale across services.You should have a Master’s degree and 3+ years in backend...

Well-established IoT products manufacturing and R&D company Job Description Candidates with more experience will be considered as Senior Analyst Programmer. Responsibilities IoT end-user application design and development Support Smart Device development team, backend development team and QA team Backend application development, cloud environment...

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...

A dynamic tech start-up in Hong Kong is seeking a talented Software Engineer to enhance their generative AI education platform. The role involves backend and frontend development using Java and Flutter, collaborating with diverse teams to drive innovation in education technology. Ideal candidates are pursuing or have completed a relevant degree. Join us for...