Senior UX/UI Designer – Enterprise Software Applications EA-1361

NAXCON GmbH, headquartered in Weil am Rhein with additional offices, including Stuttgart, is one of Germany's leading engineering and IT service providers.

Our experts possess extensive expertise in software and hardware development, modern electronics, and cutting-edge technologies such as Artificial Intelligence (AI).

In addition to delivering high-quality engineering solutions for our customers, we are passionate about driving our own innovation projects as well as research and development activities. Renowned companies from a wide range of industries place their trust in our expertise, reflecting the outstanding knowledge, professionalism, and commitment of our engineers.

Position: Senior UX/UI Designer – Enterprise Software Applications

Location: Bonn, Germany

Field: Defence

Type: Full-time/40% Remote

Project and Product Environment

The position is part of a software engineering and application integration environment developing digital products for complex, security-sensitive operational processes.

The solutions support critical information flows, structured decision-making, and digitally enabled business operations. Product development is carried out in agile DevOps teams with a strong focus on continuous improvement, automation, cloud technologies, connected systems, and emerging technologies.

The role takes ownership of the UX/UI perspective throughout the complete product development lifecycle of a complex B2B or enterprise application, from requirements analysis and concept development through implementation, rollout, validation, and continuous improvement.

Responsibilities

The Senior UX/UI Designer will be responsible for:

• Analysing functional, business, and technical requirements and translating them into user-centred UX/UI concepts.

• Taking ownership of the user experience across the complete lifecycle of a complex enterprise application.

• Planning and conducting qualitative and quantitative UX research activities.

• Identifying user needs, usage contexts, pain points, and optimisation opportunities.

• Conducting and evaluating user interviews, stakeholder workshops, usability tests, and feedback sessions.

• Creating user journeys, user flows, information architectures, wireframes, mockups, and interactive prototypes.

• Designing intuitive and consistent interfaces for complex specialist and B2B applications.

• Using Figma to develop design concepts, prototypes, reusable components, and interaction patterns.

• Building, maintaining, and continuously improving design systems and component libraries.

• Applying usability, accessibility, and inclusive design principles throughout the design process.

• Collaborating closely with business departments, product owners, software engineers, and other stakeholders.

• Supporting development teams during implementation and ensuring that the delivered solution reflects the approved UX/UI concepts.

• Reviewing implemented interfaces and ensuring a consistent, high-quality user experience.

• Validating and improving the solution based on user feedback, research findings, usage data, and evolving business requirements.

• Supporting rollout activities and the continuous development of the product after implementation.

• Documenting design decisions, interaction concepts, research findings, and usability recommendations.

• Contributing to agile planning, refinement sessions, reviews, and other product development activities.

Required Qualifications

The candidate should have:

• A completed university degree in UX Design, Interaction Design, Communication Design, Media Informatics, Human-Computer Interaction, or a comparable discipline.

• Alternatively, a comparable professional qualification supported by substantial relevant experience.

• At least five years of professional experience in UX/UI design.

• Strong knowledge of user-centred design, interaction design, information architecture, and UX research.

• Confident and professional use of Figma.

• Strong understanding of usability and accessibility principles.

• Practical experience with Jira and Confluence in agile product development environments.

• Basic knowledge of agile delivery methods such as Scrum and Kanban.

• A strong portfolio demonstrating relevant UX/UI projects, preferably in B2B, enterprise, or specialist application environments.

Required Professional Experience

The candidate must have:

• At least five years of experience designing digital products and applications.

• At least five years of experience in UX/UI projects involving complex B2B, enterprise, or specialist software.

• At least three years of experience planning, conducting, and evaluating user interviews, workshops, and usability tests.

• At least five years of experience supporting end-to-end product development, from requirements analysis through implementation and continuous improvement.

• At least three years of experience building, maintaining, and extending design systems and component libraries.

• At least three years of experience collaborating with business stakeholders, product owners, and software development teams.

• Experience translating complex functional and technical requirements into clear and practical user-centred solutions.

• Experience supporting implementation, design quality assurance, rollout, and post-release optimisation.

• Experience working in agile and interdisciplinary product teams.

• Experience documenting UX research results, design decisions, and interaction concepts.

The required experience should represent continuous, repeated, and substantial work in the relevant subject area rather than isolated or occasional assignments.

Technical and Methodological Skills

• User-Centred Design

• Human-Centred Design

• Interaction Design

• Information Architecture

• UX Research

• Qualitative Research

• Quantitative Research

• User Interviews

• Stakeholder Workshops

• Usability Testing

• User Journeys

• User Flows

• Wireframing

• Mockups

• Interactive Prototyping

• Figma

• Design Systems

• Component Libraries

• Responsive Interface Design

• Accessibility

• Usability Principles

• Inclusive Design

• Design Documentation

• Jira

• Confluence

• Scrum

• Kanban

• Agile Product Development

• Design Quality Assurance

• Enterprise Application Design

• B2B Software Design

Language Requirements

• German: C1 according to CEFR

• English: B1 according to CEFR

Native speakers do not need to provide separate language certification. Language proficiency may otherwise be demonstrated through the CV, certificates, references, academic records, or equivalent evidence.

Required Soft Skills

The candidate should demonstrate:

• Strong teamwork skills and experience working in interdisciplinary teams.

• Excellent communication and presentation skills.

• Ability to explain UX/UI concepts clearly to business departments, product owners, and development teams.

• Strong analytical thinking and the ability to structure complex requirements.

• Creativity combined with a practical and implementation-oriented mindset.

• Ability to develop innovative but realistic solutions for complex UX/UI challenges.

• Independent, structured, and reliable working methods.

• Strong ownership of assigned topics and deliverables.

• High attention to detail and design consistency.

• Confidence in facilitating workshops and presenting design decisions.

• Ability to balance user needs, business requirements, technical constraints, and delivery priorities.

• Openness to feedback and continuous improvement.

Portfolio Requirement

Candidates must provide a meaningful portfolio containing relevant UX/UI projects.

The portfolio should preferably demonstrate:

• B2B or enterprise application design

• Complex workflows and specialist applications

• UX research activities

• User flows and information architecture

• Wireframes and interactive prototypes

• Design-system or component-library work

• Usability and accessibility considerations

• Collaboration with product and engineering teams

• Evidence of design development from initial requirements through implementation

Travel and Working Model

• Willingness to travel for up to approximately 10% of working time is required.

• Travel may be undertaken by private car, rental car, train, or other public transport.

• The expected remote-working proportion is approximately 40%.

• On-site presence may be required for workshops, user research, stakeholder meetings, design reviews, rollout activities, or team coordination.

Security-Related Requirements

• Candidate profiles must include nationality information.

• Applicable security-related country-list restrictions must be observed.

• The role may involve work in a security-sensitive environment.

• Country-specific security or travel restrictions may apply even where no formal security clearance is required.

• Eligibility for assignment must be confirmed before deployment.

• Failure to meet the applicable security requirements may result in exclusion from the recruitment process.

Project Reference Requirements

Where project references are required, each reference should include:

• Industry

• Project title

• Short project description

• Duration of the candidate's assignment

• Detailed description of the candidate's responsibilities and activities

• UX/UI methods used

• Scope of UX research activities

• Figma and prototyping responsibilities

• Design-system or component-library contributions

• Collaboration with product owners, business stakeholders, and development teams

• Contribution across the end-to-end product lifecycle

What we offer:

• International Working Environment: Join a diverse and multicultural team where people from different backgrounds and cultures collaborate to achieve outstanding results.
• German Language Development: Whether you are a beginner or an advanced speaker, we provide a supportive environment to help you improve your German language skills.
• Dedicated Point of Contact: You will have a personal contact within the company who will support and guide you throughout your employment.
• Professional Growth: Our engineers have the opportunity to work on exciting projects across different industries, continuously expanding their expertise and developing new skills.
• Regular Team Events: We organize regular company events to strengthen team spirit, encourage collaboration, and create a positive working atmosphere.
• Competitive Compensation: We value our employees and offer an attractive compensation package that reflects your qualifications, experience, and performance.

Note:

• Travel expenses for on-site interviews are covered by the candidates themselves