let’s dev GmbH & Co. KG - The brand for groundbreaking custom software let’s dev GmbH & Co. KG - The brand for groundbreaking custom software

The brand for groundbreaking
custom software

Pioneering. Experienced. Ever exploring.


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UX Engineering

let’s dev - The brand for groundbreaking custom software

UX engineering encompasses the process of planning, designing and implementing user experiences (UX) for digital products and systems. It integrates aspects from design, psychology, computer science and product development to create products that are intuitive, engaging and efficient for users.

A central aspect of UX engineering is user-centered design, focusing on understanding users' needs, requirements and behaviors. Through thorough analysis of user data, research and usability testing, insights are gained to inform the development process. The goal is to create a seamless and enjoyable user experience that increases user satisfaction and effectively meets their needs.

UX engineering involves designing various aspects of the user experience, including the user interface (UI), interaction design, information architecture and accessibility. It aims to optimize visual design and functionality to facilitate positive and efficient interaction between humans and technology.

UX Engineering

Our services
at a glance

We program customized apps and advise our customers on all topics related to app development. Our services are perfectly coordinated and based on experience from national as well as international projects.

User Experience (UX)

UX extends the concept of usability. Here, the user perspective is emphasized and emotional and aesthetic factors are more strongly included. UX describes the perception and reaction of a person resulting from the actual and/or expected use of a product, system or service. UX is not only about the mere achievement of a goal, but rather about the experiences that users have before, during and after using the product.

UX manages to arouse emotions in users. For this reason, the UX is a decisive factor in whether users associate positive feelings such as fun and joy with the product and whether they would like to use the product again in the future. The success of a digital product is therefore strongly linked to the implementation of a holistic UX.


Engineering is a critical area in the development and implementation of technical solutions. The engineering team significantly contributes to project planning, design and implementation. The tasks of the engineering team include developing technical concepts, designing products or facilities, optimizing processes and conducting tests and analyses.

Specific tasks of the engineering team include creating technical specifications, developing prototypes and conducting tests and simulations. The engineering team collaborates closely with other departments such as research and development, production and quality assurance to ensure projects are completed on time and to high standards.

Additionally, the engineering team is responsible for training and supporting other employees, contributing to the continuous development of technical competencies within the company.

We make it simple

Software makes life easier. It makes it easier to organize, communicate, work, sell, entertain. That's exactly what we do at let's dev: We transform complex topics and processes into direct, structured interaction. Because we combine a lot of experience with even more curiosity, we achieve trend-setting and high-quality results. This makes let's dev the brand for groundbreaking custom software.

Contact us!

2 Locations
Karlsruhe & Hamburg


let’s dev GmbH & Co. KG

Alter Schlachthof 33

76131 Karlsruhe

+49 721 26 67 65 0


let’s dev GmbH & Co. KG

Eimsbütteler Chaussee 21

20259 Hamburg

+49 40 60 77 922 0