Quantitative Developer
DUOTECH PTE. LTD. Pasir Ris Permanent
Role Overview
You will support the senior systems architect and traders in building, optimizing, and maintaining the firm's real-time trading infrastructure. You will work on execution, quoting, risk systems, market-data handlers, and latency-critical components across multiple crypto derivatives exchanges.This role requires strong engineering fundamentals and hands-on experience with high-performance, event-driven systems
Key Responsibilities:
- Implement latency-sensitive components of the market-making engine (market-data handlers, order routers, quoting logic)
- Optimize latency, jitter, and throughput across real-time data pipelines and execution paths
- Build and maintain exchange connectors (WebSocket, REST, FIX-like variaints) with robustness and micro-latency considerations
- Profile, debug, and optimize system performance in cloud-hostedenvironments
- Develop internal monitoring tools for latency analytics (e.g., ordeRTT, market-data delays, queue states)
- Tune garbage-collection behaviour, CPU pinning, async event loopss, and other performance parameters
- Assist in creating automated stress-testing and load-testing frameworks to simulate exchange conditions
- Work closely with traders on strategy parameters, safeguards, and scenario testing
Requirements:
- 8 years building low-latency trading systems
- Skilled in Python and C++/Rust
- Experience with market-data handlers, quoting engines, and order books
- Strong in latency optimization, performance tuning, and low-latency techniques
- Familiar with exchange microstructure, Pub/Sub frameworks, and Docker deployments
- Prior experience in crypto and traditional market-making stacks
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Role Overview
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