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As a CS major with a strong interest in finance, I've always aspired to get my foot in the door at a top financial firm like Morgan Stanley. Fortunately, the TCS program class I participated in on the Drill Insight platform helped me pass the Morgan Stanley interview.
In this project, my core task was to design and build a simulated stock trading system that could receive trading data and make decisions in real time. Specifically, I undertook the development of trading algorithms, real-time data processing, and system performance optimization. In the course of my work, I not only mastered the methodology of building an efficient and stable trading system, but also gained a practical understanding of the financial market and the operation mechanism of stock trading.
During the interview process, I encountered a variety of technical questions covering data structure, algorithm design and system architecture. When the interviewer asked me how to design an efficient trading system, I shared my specific experience derived from the project. The interviewer also asked me a deep specialized technical question: how to ensure the stability and real-time performance of the system in a highly concurrent environment.
This question reminded me of one of my core tasks in the Drill Insight course, which was to optimize priority queues to manage the order flow, ensuring high system efficiency through multi-threading and asynchronous programming. Additionally, I shared how we implemented load balancing in the system to ensure that the system would remain stable when the volume of transactions increased dramatically.
The interviewer was very interested and impressed by the technical details of my project experience. The fact that I could clearly explain the optimization process of trading algorithms, the factors of system design, and how to cope with the high computing demands of the financial markets gave me significant extra points in the interview.
In addition to technical questions, the interview also covered behavioral questions, such as asking about my role in team projects and how I work with patients. For Drill Insight's stock trading system project, I was required to work both independently and in groups. We were often faced with critical choices in technology selection during the project, especially in the choice of trading strategies and system architecture. In order to reach a consensus, I had many discussions with team members, evaluated the advantages and disadvantages of various options, and ultimately assisted the team in making a sound decision. I was also responsible for sharing my own technical implementation solutions with the team to ensure that we were always on the same page during the development process.
For those of you who are still struggling to prepare for interviews, I think: there is no substitute for the experience of being able to go through an entire project in its entirety, which allows you to combine theory with practice and helps you to confidently demonstrate your technical skills in an interview. If you too aspire to join a company like Morgan Stanley, make the most of every learning opportunity.
