Senior Java Developer; Trading Platform

Position: Senior Java Developer (Trading Platform  )
Overview  The Trading Infrastructure team is building a high-performance, front-to-back Trading Platform that supports multi-asset trading. The platform handles financial instruments with low-latency execution, robust risk controls, and seamless integration across trading, risk, operations, and finance workflows. The system is modular, including 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 design, real-time observability, and strong security. Our tech stack includes Java (low-latency), Python, Web UI (React/Ag-Grid), Aeron, Click House, Kubernetes, and modern CI/CD tooling, with a focus on automation, scalability, and performance. AI-assisted development tools are 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., Git Hub 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 Click House; exposure to kdb+ or Influx

DB 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

Perks and Benefits   Competitive salary
Attractive annual leave entitlement including birthday, work anniversary
Work flexibility adoption: flexi-work hour and hybrid or remote set-up
Aspire career alternatives through internal mobility program offering diverse scope
Work perks:  visa card provided upon joining
Our benefits packages vary depending on region requirements; please consult talent acquisition team for details
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.  values diversity and inclusion, seeking candidates with a variety of backgrounds, perspectives, and skills that complement and strengthen our team.

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