I have completed a Computer Science degree at a university and worked as a Data Scientists for two years at a start-up. I can code in C, C++, and Python. The latter is the one I use at work. I want to work at a big fund like Square Point as a quant researcher. What additional skills do I need to gain in order to qualify for such position?
To qualify for a quant researcher position at a big fund like Square Point, you would likely need to have strong skills in several areas beyond programming. Here are some key skills that would be helpful to have:

Advanced Mathematics: Quantitative research in finance requires a deep understanding of mathematical concepts such as calculus, linear algebra, probability theory, and statistics. You will need to be comfortable with these concepts and be able to apply them to real-world financial problems.

Financial Knowledge: A solid understanding of financial markets, products, and instruments is essential for quant researchers in finance. You should be familiar with financial concepts such as asset pricing, portfolio optimization, risk management, and trading strategies.

Machine Learning: Machine learning techniques are widely used in quantitative finance for tasks such as prediction, classification, and clustering. You should have experience with machine learning algorithms and be able to apply them to financial data.

Data Analysis: As a data scientist, you likely already have strong data analysis skills. However, in finance, the data can be complex and noisy, so you will need to be able to work with large datasets, clean and preprocess data, and analyze and interpret results.

Communication and Collaboration: Quantitative research in finance is often a team effort, so you will need to be able to work effectively with others and communicate complex ideas in a clear and concise manner.

In addition to these technical skills, you may also need to have relevant work experience in finance or a related field, as well as strong problem-solving and critical thinking skills. It may be helpful to research the specific requirements and qualifications for the quant researcher positions at Square Point and other similar firms to determine what additional skills and experience you may need to gain.
Financial Knowledge seams to be my weakest area. How would you suggest catching up to speed with the modern state of the field?