Web3 Developer Senior Jobs in Hong Kong, Hong Kong SAR

The Trading Infrastructure team is building a high-performance, front-to-back Trading Platform that supports multi-asset trading. The platform is designed to handle financial instruments with low-latency execution, robust risk controls, and seamless integration across trading, risk, operations, and finance workflows. The system is built with a modular architecture encompassing core components such as market data feeds, order gateways, execution algorithms, risk engines, UI dashboards, middle office reconciliation, and account infrastructure. We emphasize event-driven, deterministic system design, real-time observability, and strong security.Our tech stack includes Java (low-latency), Python, Web UI (React/Ag-Grid), Aeron, ClickHouse, Kubernetes, and modern CI/CD tooling, with a strong focus on automation, scalability, and performance. AI-assisted development tools are also leveraged to boost productivity and quality across the team.

Responsibilities

• Design and develop core backend systems including market connectivity, order routing, execution engine, risk, and position tracking.
• Implement ultra-low-latency and GC-free components using best practices in lock-free and off-heap programming.
• Apply event-driven and fully deterministic design principles to ensure traceable and predictable system behavior.
• Collaborate closely with product and trading teams to translate requirements into performant, production-ready solutions.
• Participate in performance profiling, JVM tuning, and debugging complex issues in production.
• Develop and maintain automated test suites and CI/CD pipelines.
• Engage in code reviews, architecture discussions, and technical audits to ensure high standards across the codebase.
• Use AI-driven coding tools (e.g., GitHub Copilot or similar) to accelerate development and improve productivity where appropriate.

Requirements

• 8+ years of Java backend development experience, preferably in a trading or real-time system environment.
• Deep understanding of Java core internals, multithreading, memory models, and garbage collection.
• Proven experience in GC-free or low-GC programming, including use of sun.misc.Unsafe, direct buffers, and memory-mapped files.
• Familiarity with Aeron, SBE, or other low-latency messaging libraries.
• Strong grasp of event-driven architecture and experience designing fully deterministic systems.
• Solid knowledge of time-series and analytical databases like ClickHouse; exposure to kdb+ or InfluxDB is a plus.
• Experience with distributed systems, message queues, and performance tuning at the network and application layer.
• Comfortable using AI-powered development tools to enhance code quality and development speed.
• Strong testing discipline including TDD, benchmarking, and resilience testing.

Communication and Collaboration

• Proficient in English (spoken and written); Chinese or other languages are a plus but not required.
• Comfortable working in a global team with colleagues across APAC, EMEA, and North America.
• Strong communication skills; able to interface across all levels from senior leadership to engineers and stakeholders.
• Able to collaborate effectively with people from different cultural and technical backgrounds, aligning tech decisions with business goals.

Life @ Crypto.comEmpowered to think big. Try new opportunities while working with a talented, ambitious and supportive team.Transformational and proactive working environment. Empower employees to find thoughtful and innovative solutions.Growth from within. We help to develop new skill-sets that would impact the shaping of your personal and professional growth.Work Culture. Our colleagues are some of the best in the industry; we are all here to help and support one another.One cohesive team. Engage stakeholders to achieve our ultimate goal - Cryptocurrency in every wallet.Work Flexibility Adoption. Flexi-work hour and hybrid or remote set-upAspire career alternatives through us - our internal mobility program offers employees a new scope.Work Perks: crypto.com visa card provided upon joiningAre you ready to kickstart your future with us?BenefitsCompetitive salaryAttractive annual leave entitlement including: birthday, work anniversaryWork Flexibility Adoption. Flexi-work hour and hybrid or remote set-upAspire career alternatives through us. Our internal mobility program can offer employees a diverse scope.Work Perks: crypto.com visa card provided upon joiningOur Crypto.com benefits packages vary depending on region requirements, you can learn more from our talent acquisition team.About Crypto.com:Founded in 2016, Crypto.com serves more than 150 million customers and is the world's fastest growing global cryptocurrency platform. Our vision is simple: Cryptocurrency in Every Wallet™. Built on a foundation of security, privacy, and compliance, Crypto.com is committed to accelerating the adoption of cryptocurrency through innovation and empowering the next generation of builders, creators, and entrepreneurs to develop a fairer and more equitable digital ecosystem.Learn more at https://crypto.com.Crypto.com is an equal opportunities employer and we are committed to creating an environment where opportunities are presented to everyone in a fair and transparent way. Crypto.com values diversity and inclusion, seeking candidates with a variety of backgrounds, perspectives, and skills that complement and strengthen our team.Personal data provided by applicants will be used for recruitment purposes only.Please note that only shortlisted candidates will be contacted.We may use artificial intelligence tools to analyze the content of your Resume/CV against the specific requirements for the position. The purpose is to support our recruitment team in reviewing applications more effectively. These tools assist our recruitment team in their evaluation of your application by providing recommendations, but they do not replace human judgment. Final hiring decisions are ultimately made by humans who consider the insights generated by the tools along with other relevant information. If you would like more details about how your personal information is processed, please contact us.

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