What is UX Design?
User experience design (UX) is the process of enhancing customer satisfaction and loyalty by improving the usability, ease of use, and pleasure provided in the interaction between the customer and the product.
User Experience Design is not a market research job.
Though it does utilize many of the same techniques to achieve a complex end goal: The structure, analysis and optimization of a customer’s experience with a company and its products.
What is UI Design?
Despite it being an older and more practiced field, the question of “ What is user interface design? ” is difficult to answer by its ranging variety of misinterpretations.
While User Experience is a conglomeration of tasks focused on optimization of a product for effective and enjoyable use; User Interface Design is its compliment, the look and feel, the presentation and interactivity of a product.
Like UX, it is easily and often confused by the industries that employ UI Designers.
To the extent that different job posts will often refer to the profession as completely different things.