UI Designer

About the company

ecostag GmbH works in sustainability and environmental technology, building practical solutions that support greener business practices and long-term ecological progress. The organization focuses on developing modern products and services that help companies and communities cut emissions and operate more responsibly. Its culture emphasizes collaboration, creativity, ongoing improvement, and social responsibility, with the goal of driving meaningful environmental impact through technology.

About the role

In this UI Designer position, you will help define the look and feel of digital products that support ecostag GmbH’s sustainability mission. You will contribute from the beginning of the product lifecycle, improving usability and making interfaces more intuitive, engaging, and useful. Working closely with product, marketing, and development teams, you will turn environmental data and business needs into clear visual experiences that users can understand and act on easily.

Responsibilities

• Convert user expectations and business objectives into practical, creative interface concepts.
• Build clean, easy-to-use layouts that help present complex information in a simpler way.
• Produce visual design assets such as icons, illustrations, and other graphics that fit brand standards.
• Drive user-centered design activities including wireframes, prototypes, and usability checks.
• Partner with product managers, developers, and marketing colleagues to deliver a consistent user experience.
• Spot design gaps and take the initiative to improve the product experience.
• Ensure designs support accessibility, responsiveness, and alignment with company goals and user needs.
• Keep up with current UI/UX methods, tools, and trends to improve design quality over time.

Requirements

• Hands-on UI design experience backed by a portfolio showing strong work in interfaces, icons, and illustrations.
• Good knowledge of user-centered design, interaction design, and usability principles.
• Confidence using design tools such as Adobe Creative Suite, Figma, Sketch, or similar applications.
• Strong written and spoken communication skills in both German and English.
• Ability to collaborate well in teams as well as work independently, with a careful eye for detail and solid problem-solving ability.
• Genuine interest in sustainability, environmental topics, and innovative digital products.
• Previous exposure to agile workflows is beneficial.

Benefits

• Flexible working hours with the option to work remotely.
• A modern office setting near Phönix See in Dortmund with an attractive view.
• Free fruit, snacks, coffee, and other beverages.
• Complimentary Monday lunch to start the week.
• Regular team events such as after-work gatherings, gaming competitions, and festival visits.
• Profit-sharing opportunity after the probation period.
• Tax-free allowances.
• Guest list access for selected events.
• The chance to work on projects that contribute to environmental sustainability.

Equal opportunity

ecostag GmbH promotes an inclusive workplace and values diverse backgrounds and perspectives. Hiring is based on qualifications, skills, and experience, without discrimination based on race, gender, age, religion, sexual orientation, disability, or other protected characteristics.