Senior Web Developer - Web3 Solutions

Design and implement solutions for various systems, including trading, risk control, asset management, and clearing and settlement within our Digital Asset Management platform.Perform maintenance, upgrades, and optimize performance of existing systems.

As a Web Developer for our Web 3 initiatives, you will be instrumental in developing and maintaining front-end websites that cater to our user base and management backend systems, contributing to the growth of our exchange and brokerage channels.Your role will include the implementation of Node.js in the front-end access layer to ensure seamless integration and performance.You will be responsible for maintaining, upgrading, and optimizing our existing web systems to enhance user experience and operational efficiency.Collaboration is key, and you will work closely with team members to create stable, secure, and user-friendly Web 3 products that meet the evolving needs of our business.

Ensure the stability of the company's exchange operations, providing rapid incident response in collaboration with the R&D team, while establishing mechanisms to enhance incident management efficiency.Contribute to the development of operational tools and maintenance platforms, alongside identifying risks within the system (including database and middleware), and advocate for automation in operations and maintenance.Drive system optimization through comprehensive data operations, analyzing historical incidents, current issues, and resource utilization.Manage alerts effectively ensuring they are addressed appropriately.Develop and implement various operational and maintenance standards to elevate the overall operational efficiency.Establish systems for budget management, cost assessment, monitoring, and optimization, offering solutions for cost governance and facilitating their execution.

At Kody, we are transforming the landscape of payment processing and financial services. As a rapidly expanding Fintech company, we collaborate with some of the most esteemed brands in the hospitality, food and beverage, and retail sectors throughout Hong Kong, assisting them in modernizing their payment systems, settlements, and digital financial experiences.Our tech team in Hong Kong operates with the agility of a startup, fostering innovation and a strong focus on product development. We are in search of a Senior Backend Engineer to join our efforts in crafting the next generation of payment and settlement infrastructure.Why Join Us?Engage with industry-leading brands in Hong Kong and beyond.Be part of a fast-paced, innovative tech culture backed by a growing international company.Work with cutting-edge tools and technologies: Kotlin, Kafka, Kubernetes, Redis, PostgreSQL, and cloud-native frameworks.Enjoy a flexible work environment with a passionate, skilled engineering team.Access learning and development opportunities, including travel for collaboration with our global tech teams.Your RoleAs a Senior Backend Engineer, you will play a crucial role in our platform, designing and scaling systems that drive Kody’s products, including payment gateways, settlement systems, mobile POS integrations, and financial service APIs.ResponsibilitiesDesign, develop, and maintain backend services and APIs (REST/gRPC).Contribute to backend architecture and ensure system reliability and scalability.Debug, troubleshoot, and optimize performance in production environments.Collaborate with product, QA, and frontend teams to deliver robust, maintainable solutions.Write clean, efficient, and well-tested code.Stay updated with modern backend and cloud technologies.Requirements5+ years of experience in backend software development (Kotlin or Java).Strong knowledge of microservices, cloud deployment (AWS/GCP), and CI/CD pipelines (GitHub Actions).Proficiency in SQL/NoSQL databases (PostgreSQL, MySQL, Redis).Familiarity with Docker, Kubernetes, and event-driven systems (Kafka).Solid understanding of APIs (REST, gRPC) and version control (GitHub).Experience with agile development processes.Fluency in English (Mandarin or Cantonese is a plus).Experience in Fintech, payment, or settlement environments is advantageous.BenefitsCompetitive salary with a meaningful impact on our work.Equity options available.Flexible working conditions.Access to continuous learning and professional development opportunities.

Aster is an innovative decentralized perpetual exchange focused on providing a seamless, robust, and genuinely decentralized on-chain derivatives trading experience. With features like one-click trading, smart automation, and extensive on-chain liquidity, Aster is redefining the principles of DeFi—keeping it simple, efficient, and user-centric.

About BitMEXBitMEX is a premier global exchange for cryptocurrency derivatives, providing traders with a highly sophisticated trading platform. Established in 2014, BitMEX boasts an unparalleled security track record with a promise of “no coin lost, ever!”Our platform meets the needs of cryptocurrency derivatives traders through low latency, deep liquidity, and outstanding availability. Currently, BitMEX offers over 100 derivatives contracts, 16 pairs for spot trading, and a seamless conversion feature for more than 30 cryptocurrencies.In 2015, BitMEX transformed the market by launching the Perpetual Swap, which has since become the most traded cryptocurrency product. Committed to transparency, BitMEX has been among the pioneers in regularly publishing its on-chain Proof of Reserves and Proof of Liabilities since 2021, ensuring that our available funds consistently exceed total client balances.For more insights into BitMEX, our initiatives, and offerings, please visit the BitMEX Blog or www.bitmex.com, and connect with us on LinkedIn, Discord, Telegram, and X.Role OverviewAs a Senior Software Engineer (Full Stack), you will be responsible for designing and implementing high-performance, real-time web applications. Our platform is built with React.JS and is optimized for speed and efficiency. To excel in this role, a profound understanding of common just-in-time (JIT) compilers and significant experience in web development is essential.

Key ResponsibilitiesEngage in the design, development, and upkeep of essential business systems, including the bank's core system, payment processing systems, fund management systems, and risk control mechanisms.Oversee the design, coding, self-testing, deployment, operation, and maintenance of backend service modules to guarantee code quality, system performance, and stability.RequirementsA bachelor's degree or higher in computer science, software engineering, electronic information, mathematics, or a related field.Strong foundational knowledge in computer science, with proficiency in critical areas such as data structures, algorithms, operating systems, and computer networking.Proficiency in at least one programming language, specifically Java or Go, along with an understanding of its ecosystem.Familiarity with the basic principles of mainstream databases, including database design and optimization techniques.Demonstrated logical thinking, learning aptitude, communication skills, and a strong collaborative spirit; genuine enthusiasm for technology, coupled with a solid sense of responsibility.Fluency in both English and Chinese (written and spoken).Bonus Points:Proficiency in English or Cantonese, with strong listening, speaking, reading, and writing skills.Experience with distributed systems, microservices architecture, high concurrency, and high availability systems.Familiarity with message middleware (e.g., RabbitMQ, Kafka), caching technologies (e.g., Redis), and cloud-native technologies.Relevant internship or project experience in the financial sector or a foundational understanding of banking operations (e.g., payments, deposits, loans, accounting engines, risk control, etc.).Open to candidates graduating between January 2025 and August 2026.Fluent in both English & Chinese.*Only shortlisted candidates will be contacted.

Join our dynamic team at moomoo, where we focus on enhancing the capabilities of financial securities platforms. We are dedicated to delivering secure, stable, and highly specialized financial systems tailored for our international market expansion. Our areas of expertise include Securities Trading Systems, Risk Control Systems, Asset Management Systems, as well as Clearing and Settlement Systems.Key ResponsibilitiesContribute to the design and development of innovative financial systems, including trading platforms (algorithmic trading, advanced order management), risk control frameworks (derivatives risk management), and clearing and settlement systems.Stay abreast of emerging financial technologies and actively participate in groundbreaking projects.

Join Lalamove as a Backend Software Engineer and be part of a dynamic team dedicated to enhancing our logistics technology. You will play a crucial role in designing, developing, and maintaining our backend systems that power our platform.

At Lalamove, we harness the power of community, connecting millions of drivers and customers through innovative technology. Our commitment to fast and efficient delivery has positioned us as a leader in the logistics sector since our inception in 2013. We are on a mission to make Lalamove synonymous with delivery excellence, impacting local communities worldwide. As we rapidly expand across Asia and beyond, we invite talented individuals to join our journey. As a Senior Backend Software Engineer, you will play a pivotal role in shaping our API and internal tools. Your expertise will drive the optimization of algorithms that underpin our operations, ensuring seamless product performance. You will design, implement, and deploy scalable systems that facilitate the creation of new products and enhancements to existing solutions. As our user base grows, your contributions will directly support Lalamove’s ambitious expansion goals.

About Firework Join Firework – Where Innovation Meets Impact Firework is revolutionizing the landscape of commerce as a pioneering AI and video commerce company. We blend state-of-the-art technology with an exclusive network of leading enterprise brands and retailers, positioning ourselves at the forefront of the agentic commerce movement. We have created the world's most sophisticated and expansive video commerce platform, trusted by top global brands and retailers. Beyond just software, our network effect continues to amplify with each partnership, translating the vibrancy of in-store experiences to the online realm and transforming how businesses engage, convert, and foster enduring customer relationships at scale. Having successfully raised over $235 million to date, backed by prominent investors including the SoftBank Vision Fund 2, and operating on a global scale, we present unmatched opportunities to tackle intricate challenges and create significant impact in the future of connected commerce. If you possess curiosity, ambition, and thrive on grand ideas, Firework is the ideal environment for you to grow, take the lead, and shape the future. Together. Summary Our Engineering team is expanding! We are looking for a talented Staff Backend Engineer to join our international team, bringing technical acumen and leadership alongside active involvement in backend software development.

Kody is on the lookout for a skilled Backend Engineer with a strong focus on Kotlin to become an integral part of our dynamic team based in Hong Kong. In this pivotal role, you will engineer robust and scalable backend solutions that form the backbone of our fintech applications, guaranteeing a seamless user experience.Your proficiency in Kotlin will be essential in developing critical backend services, integrating with diverse APIs and databases, while upholding best practices in software development. You will work hand-in-hand with our product and frontend teams to rollout high-quality features that align with our strategic product roadmap.Key Responsibilities: Design, develop, and maintain efficient, reusable, and reliable Kotlin code for our backend services. Implement server-side logic and APIs, ensuring optimal performance and responsiveness to front-end requests. Collaborate with cross-functional teams to define, design, and deliver new features while ensuring alignment with product requirements. Troubleshoot and debug applications, optimize performance, and implement security measures to safeguard data and maintain system integrity. Engage in all phases of the development lifecycle, from design to deployment, and participate in code reviews to uphold code quality and efficiency. Stay informed on the latest industry trends, technologies, and best practices to enhance our development processes continuously. At Kody, we thrive on innovative ideas and solutions, and you will play a pivotal role in helping us redefine the landscape of financial technology.

Role Overview Lalamove is hiring a Senior Staff Software Engineer focused on backend systems. This position is based in Hong Kong SAR. The role centers on designing and building scalable, high-performance services that support our logistics platform. What You Will Do Design and implement backend systems to support business growth and reliability Work closely with engineers, product managers, and other teams to improve our technology stack Deliver solutions that address customer needs and business goals

About Firework Join Firework – Where Innovation Meets Impact! At Firework, we are revolutionizing the landscape of commerce through our pioneering AI and video commerce solutions. We seamlessly integrate cutting-edge technology with an exclusive network of top-tier enterprise brands and retailers, positioning ourselves as leaders in the agentic commerce movement. Our platform is not just the world's most advanced video commerce solution; it is also the largest globally, earning the trust of leading brands and retailers. We transcend traditional software by enhancing the online shopping experience with the dynamic energy of in-store interactions, fundamentally transforming how businesses engage, convert, and cultivate enduring customer relationships at scale. With over $235 million in funding from esteemed investors like the SoftBank Vision Fund 2, and with operations on a global scale, we present unmatched opportunities to tackle complex challenges and make a significant impact in the realm of connected commerce. If you are driven by curiosity, ambition, and a passion for innovative ideas, Firework is your platform for growth, leadership, and shaping the future together. Position Overview Our Engineering team is expanding! We are on the lookout for a talented Senior Backend Engineer to join our global team. In this role, you will leverage your deep technical expertise to enhance and scale our high-performance backend systems.

Join Binance, the premier global blockchain ecosystem that powers the largest cryptocurrency exchange by trading volume and user base. With a community of over 300 million users in more than 100 countries, we are recognized for our top-tier security, transparent fund management, rapid trading engine, extensive liquidity, and an unparalleled suite of digital asset products. Our offerings encompass trading, finance, education, research, payments, institutional services, Web3 innovations, and beyond. At Binance, we harness the transformative potential of digital assets and blockchain technology to foster an inclusive financial ecosystem, enhancing monetary freedom and improving financial access worldwide.

Join Binance, a premier global blockchain ecosystem that powers the largest cryptocurrency exchange in the world by trading volume and user count. With a trusted community of over 300 million users across 100+ countries, we are renowned for our industry-leading security protocols, transparent handling of user funds, rapid trading engine performance, and extensive liquidity. Our diverse array of digital asset products includes trading, financial services, educational resources, research capabilities, payment solutions, institutional services, and innovative Web3 functionalities. At Binance, we harness the transformative potential of blockchain technology and digital assets to foster a financial ecosystem that champions monetary freedom and enhances global financial accessibility.

Role overview OKX seeks a Frontend Engineer in Hong Kong to help build and maintain web applications that enhance the user experience and support platform growth. This position calls for creative problem-solving and technical skill to shape new features and refine existing ones. Main responsibilities Design, develop, and maintain web applications with a strong focus on user experience. Collaborate with cross-functional teams to define and deliver new features. Optimize applications for performance and scalability. Stay up to date with new technologies and trends in frontend development. Preferred qualifications Proven experience with JavaScript, HTML, and CSS. Practical knowledge of frameworks such as React, Angular, or Vue.js. Experience working with RESTful APIs and version control tools like Git. Keen attention to detail and strong problem-solving skills. *Applicants who already have the right to work in Hong Kong and do not require visa sponsorship will be given priority.

Join Lalamove as a Senior Android Developer and play a critical role in enhancing our mobile applications. You will be responsible for designing, developing, and maintaining high-performance Android applications that provide a seamless user experience. Collaborate with cross-functional teams to define, design, and ship new features while troubleshooting and fixing bugs.

Join Thunes as a Network Development Manager and play a pivotal role in expanding our global payment network. You will be responsible for identifying new business opportunities, developing strategic partnerships, and ensuring seamless integration of our services across diverse markets. This position requires strong analytical skills, a deep understanding of payment systems, and the ability to work collaboratively with cross-functional teams.