Financial engineering is a field that uses mathematical and quantitative methods to create and optimize financial products, models, and strategies. It involves the application of advanced mathematics, statistics, computer science, and other quantitative techniques to financial problems in order to design, analyze, and implement financial instruments and structures that can help individuals and organizations to manage risks and achieve financial goals.

Financial engineering can involve the use of complex financial models to analyze the behavior of financial instruments, as well as the creation of new financial products or the modification of existing ones to meet the needs of clients or to take advantage of new market opportunities. This can include the development of sophisticated trading strategies, the creation of new derivatives contracts, the design of risk management frameworks, and the implementation of investment and hedging strategies.

Overall, financial engineering plays an important role in modern finance by providing the tools and techniques necessary to manage complex financial risks and create new opportunities for investors and businesses.