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Low-Latency Quant System
Backend

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Project Overview

Quantitative signal processing system with microsecond-level latency (<1ms). Built on FFI + EventEmitter for high-frequency trading strategy execution.

Project Typequantitative-system
Tech DomainBackend
Development Period2024
My RoleFull Stack Engineer
Low-Latency Quant System

Technical Challenges

Main technical difficulties encountered and solutions applied.

Node.js

Main technical difficulties encountered and solutions applied.

Rust

Main technical difficulties encountered and solutions applied.

FFI

Main technical difficulties encountered and solutions applied.

Kafka

Main technical difficulties encountered and solutions applied.

gRPC

Main technical difficulties encountered and solutions applied.

Technical Challenges

Main technical difficulties encountered and solutions applied.

High Concurrency

Async processing, connection pooling, caching strategies for high-concurrency scenarios.

Observability

Comprehensive logging, metrics, and distributed tracing for quick problem identification.

Code Quality

Unit tests, integration tests, code reviews ensuring maintainability.

Technical Highlights

  • High-performance concurrency with Rust
  • Redis distributed caching
  • Kubernetes containerized deployment
  • Comprehensive monitoring and alerting
  • Automated CI/CD pipeline

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