Software Engineer II developing backend solutions for Affirm’s Merchant Advocacy team. Leading technical strategies to modernize lifecycle orchestration for merchants.
About the role
- Senior Java Developer building high-performance trading platform for cryptocurrency at Crypto.com. Developing low-latency systems and collaborating with global teams in a modern tech stack.
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.
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 us. Our internal mobility program can offer employees a diverse scope.
- Work Perks: crypto.com visa card provided upon joining
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