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# Low-Latency Software Engineer

- **Company:** ONE STOP COLLECTIBLE CORP
- **Location:** Dallas, United States
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Algorithmic Trading, Software Code Optimization, Profiling, Linux, Distributed Systems, Memory Management, Fault Tolerance, GNU Debuggers, High-Frequency Trading, Network Programming, Network Protocols, Performance Tuning, Remote Direct Memory Access, Real-Time Operating Systems, Memory Leaks, Software Systems, TCP/IP, Multithreading, Real Time Systems, System Availability, Concurrency, Parallel Computation, Kotlin, Event Driven Architecture, Perf (Linux), Low Latency, Build Tools, C++14
- **Published:** October 11, 2026
- **Apply:** https://startup.jobs/core-developer-matching-engine-team-txse-10366873

## About the Role

* Expert proficiency in low-latency programming, especially with modern C++, Java and Kotlin
 * In-depth knowledge of multi-threading, concurrency, and parallel programming to develop efficient real-time systems.
 * Extensive experience with high-frequency, low-latency software systems, ideally in financial markets, exchanges, or trading environments.
 * Strong understanding of network programming and socket communication (e.g., TCP/IP, UDP) for market data distribution and order execution.
 * Familiarity with matching engines, order books, and equity trading protocols (e.g., FIX, OUCH, ITCH).
 * Experience optimizing software for low-latency I/O, memory management, and CPU cache utilization.
 * Knowledge of kernel bypass techniques such as DPDK, RDMA, or TCPDirect for minimizing network latency.
 * Experience with Linux tuning and real-time operating systems to enhance system performance.
 * Proficiency in latency measurement and profiling tools (e.g., perf, gdb, Valgrind) for analyzing and optimizing system performance.
 * Familiarity with distributed systems, message buses, and event-driven architectures for building scalable, fault-tolerant applications.
 * Understanding of financial markets, equity instruments, and market microstructure., * Knowledge of high-frequency trading environments or other asset classes beyond equities.
 * Familiarity with low-latency storage solutions for market data.
 * Knowledge of Reg NMS and other regulatory requirements related to equity trading
 * Strong analytical and problem-solving abilities, particularly under high-pressure situations.
 * Attention to detail with a strong focus on precision and performance.
 * Ability to communicate complex technical concepts to both technical and non-technical stakeholders.
 * Team player with a collaborative mindset, but able to work independently on complex tasks.
 * Adaptable to the fast-moving, dynamic nature of financial markets and technological innovation.

## Description

We are seeking a highly skilled Low-Latency Software Engineer to join our technology team responsible for building and maintaining the core infrastructure of our equities trading platform. You will focus on developing and optimizing ultra-low-latency systems that facilitate high-speed, high-volume equity trading, ensuring the exchange remains fast, reliable, and resilient., * Design, develop, and maintain low-latency trading systems that ensure efficient and secure execution of equity trades.

 * Work on matching engines, order routing, and market data distribution systems to optimize trade execution performance.
 * Build systems to process millions of transactions per second with minimal latency and maximum throughput.
 * Implement real-time processing pipelines for financial data, ensuring high accuracy and consistency in time-sensitive environments.
 * Conduct latency analysis, performance benchmarking, and system optimization using advanced profiling techniques.
 * Collaborate with exchange operations teams, traders, and other developers to meet the rigorous performance demands of equity markets.
 * Manage and optimize network protocols for market data distribution, including the handling of TCP/IP and UDP connections for rapid data dissemination.
 * Develop robust systems to handle bursty, high-throughput market conditions, ensuring fault tolerance, high availability, and minimal downtime.
 * Implement low-latency algorithms and strategies for trade execution while ensuring compliance with exchange regulations.