A MATLAB coding developer uses the MATLAB programming language to create algorithms, develop user interfaces, visualize data, and perform numerical computations. They often work with complex mathematical data, processing it for various purposes such as machine learning, signal processing, image and video processing, and computational finance. They also perform simulations, modeling, and prototyping, and may develop and test software or hardware products. Their work is crucial in many scientific and engineering fields. They are responsible for debugging, improving code efficiency, and ensuring the accuracy of computational results. They may also collaborate with other professionals to integrate MATLAB applications.