GTS(High Frequency Trading Firm) - C++ Engineer

To become a C++ Engineer at GTS, you should have a bachelor’s degree in computer science, engineering, or a related field. Additionally, practical knowledge of C++ programming is essential; we also value experience in binary data handling, multi-threading, and real-time software systems. A background in high-performance software development is a plus, as is experience in a Linux environment and large codebases.

As a C++ Engineer at GTS, you will be responsible for developing and optimizing our trading platform, focusing on low-level technology and network programming. You'll work on enhancing existing software systems that support our trading activities and monitor them in real-time, striving for improvements that elevate our tech capabilities.

At GTS, you'll find a collaborative and friendly work environment. Our flat organizational structure allows you to bring your ideas straight to senior partners. We invest heavily in technology and infrastructure, which provides you with the tools you need to thrive. We believe in maintaining a high quality-of-life for our employees so you can focus on your work and personal growth.

We typically look for candidates with 2-5 years of related work experience. Internships in relevant fields also count towards this experience. This range allows us to find engineers who have enough hands-on knowledge to contribute effectively while also leaving room for those still blossoming in their engineering careers.

The interview process for a C++ Engineer position at GTS includes a silver screening interview, a take-home challenge, a live coding interview, and a behavioral interview. This thorough process helps us assess both your technical skills and your fit within our company culture, ensuring we find the right match for our team.

When answering this, focus on specific projects where you utilized C++. Highlight your understanding of language features, libraries used, and any performance optimizations you implemented. Be sure to mention how your work contributed to overall system performance.

This question invites you to share insights on your debugging process. Discuss tools you use for tracking down issues, techniques for optimizing code, and instances where your debugging efforts led to significant performance improvements.

In your response, provide examples of projects where you implemented multi-threading. Explain challenges faced with race conditions or deadlocks and how you overcame them, showcasing your technical proficiency in concurrent systems.

Share any relevant experience you have with real-time systems. Talk about the strategies you implemented to ensure reliability and responsiveness, such as fault tolerance techniques or load balancing approaches.

Discuss your experience with version control tools like Git. Explain how your version control practices contribute to code integrity, team collaboration, and effective management of code changes throughout the project lifecycle.

Detail your experience with developing low-latency systems. Highlight the technologies used, challenges encountered, and how you optimized for speed and efficiency, especially in a trading context.

This is an opportunity to demonstrate your industry knowledge. Talk about challenges like complexity in maintaining large codebases or the risks associated with memory management. You can also mention trends such as the rise of C++20 and how they impact development.

Share your strategies for keeping up with advancements in C++ language features and industry trends, like reading blogs, participating in online forums, or attending conferences.

Provide a specific example that showcases teamwork, the importance of communication, and how your contributions impacted the overall success of the project. Focus on your role and the collaborative approach.

Discuss your openness to receiving feedback and how you use it as a growth opportunity. Emphasize your strategies for taking critiques constructively and implementing changes that improve your coding practices.