Werkstudent (m/w/d) Produktmanagement UX/UI Mietwagen

📍 Job Overview

Job Title: Werkstudent (m/w/d) Produktmanagement UX/UI Mietwagen

Company: CHECK24

Location: Augsburg, Bavaria, Germany

Job Type: Werkvertrag (Part-time contract)

Category: Product Management / UX/UI Design (with a focus on Revenue Operations enablement)

Date Posted: July 29, 2026

Experience Level: 0-2 years (Intern/Entry-Level)

Remote Status: On-site

🚀 Role Summary

• This role is integral to the product team, focusing on enhancing the user experience and interface of CHECK24's market-leading car rental comparison platform.

• You will actively contribute to the design and implementation of frontend optimizations, directly impacting customer journey and conversion rates.

• A key aspect involves leveraging and experimenting with AI/LLM tools to accelerate UX concept development and daily workflow efficiencies.

• The position requires a data-driven approach, analyzing user behavior, conversion data, and A/B tests to derive actionable insights for product improvement.

📝 Enhancement Note: While this role is primarily in Product Management and UX/UI, its emphasis on data analysis, conversion optimization, and the use of AI for efficiency directly aligns with Revenue Operations and Sales Operations principles. The ability to translate user behavior into actionable product improvements that drive conversions is a core GTM (Go-To-Market) operations function. This role offers a unique opportunity to build foundational skills in operations by focusing on the user-facing aspects that directly influence revenue generation.

📈 Primary Responsibilities

• Collaborate closely with product, UX/UI designers, AI experts, IT, and data scientists from the outset to contribute to product strategy and execution.

• Conceptualize and design optimizations for frontend interfaces, focusing on improving usability, user guidance, and the overall customer journey within the car rental comparison.

• Support the entire lifecycle of new frontend features, from initial concept and user story development to coordination with UX/UI and IT, and finally to go-live.

• Proactively utilize and experiment with AI/LLM tools (e.g., ChatGPT, Gemini, Cursor, Lovable) for rapid UX concept iteration and to enhance personal productivity and daily workflows.

• Analyze user behavior patterns, conversion data, and the results of A/B tests across the user journey to identify areas for improvement and formulate data-backed recommendations.

• Translate analytical findings into clear, actionable user stories and feature specifications for the development team.

• Contribute to defining and tracking key performance indicators (KPIs) related to user engagement, conversion rates, and customer satisfaction.

📝 Enhancement Note: The responsibilities highlight a blend of product development, user-centric design, and analytical tasks. For an operations-focused candidate, the emphasis on analyzing user behavior, conversion data, and A/B tests is particularly relevant. The role requires translating these analyses into concrete product improvements, which is a critical skill in driving GTM efficiency and revenue. The proactive use of AI tools for workflow optimization is also a strong indicator of a forward-thinking operational approach.

🎓 Skills & Qualifications

Education: Currently enrolled in a university program with above-average academic performance. Preferred fields of study include Business Administration (BWL), Global Business Management, Media and Communications Science, Business Informatics, Business Engineering, Business Mathematics, or similar technical/IT-related disciplines.

Experience: 0-2 years of relevant experience, ideally gained through internships or previous student roles in product management, UX/UI design, e-commerce, or a related field.

Required Skills:

• Strong academic foundation in a relevant economic, media, or technical field.

• Excellent understanding of user flows, design principles, and what constitutes a clear and intuitive user experience.

• Demonstrated ability to think from a customer's perspective and a passion for e-commerce products.

• Aptitude for understanding technical interdependencies and developing pragmatic, implementable solutions.

• Active engagement with and curiosity for AI/LLM technologies, with hands-on experience using tools like ChatGPT, Gemini, Cursor, or Lovable.

• Excellent German language proficiency in both written and spoken communication.

• Ability to work independently, structure tasks, and clearly articulate ideas, especially when collaborating with IT and other stakeholders. Preferred Skills:

• Experience with A/B testing methodologies and analysis of conversion data.

• Familiarity with agile development methodologies (e.g., Scrum, Kanban).

• Basic understanding of frontend development concepts.

• Experience with design and prototyping tools like Figma.

• Data analysis skills using tools beyond basic AI interfaces, such as spreadsheet software or basic BI tools.

📝 Enhancement Note: The qualifications emphasize a blend of design thinking, technical curiosity, and analytical acumen. For candidates targeting operations roles, highlighting experience in data analysis, problem-solving, and a proactive approach to learning new technologies (like AI) will be highly beneficial. The requirement for strong German language skills is critical for this specific role and location.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase projects where you've analyzed user behavior or conversion data to identify actionable insights.

• Include examples of UX/UI improvements you've conceptualized or designed, detailing the problem, your solution, and the intended outcome.

• Demonstrate your process for developing user stories or feature specifications.

• Evidence of using AI tools to accelerate workflow or concept development in academic or personal projects. Process Documentation:

• Examples of how you've documented user flows or journey maps.

• Any instances where you've outlined a process for feature implementation or iteration.

• Documentation or examples of how you've analyzed A/B test results or other quantitative data to inform decisions.

📝 Enhancement Note: Operations candidates are often expected to demonstrate their process orientation. This section guides applicants on how to showcase their analytical and problem-solving skills through portfolio examples, even if the primary role is not strictly operations. Highlighting the systematic approach to problem identification, solution design, and outcome measurement is key.

💵 Compensation & Benefits

Salary Range: As this is a "Werkstudent" position (student part-time role) in Germany, the salary will be in line with typical student worker compensation. Based on industry standards for similar roles in Augsburg and considering CHECK24's reputation, an estimated range would be €13-€18 per hour, depending on experience and academic progress. This is a statutory minimum and can be higher based on company policy and performance.

Benefits:

• Modern Office Space: Work in a bright, modern office environment designed for creativity, with spaces for outdoor work, table tennis, and Kicker.

• Ergonomic Equipment: High-performance laptop, dual monitors or curved monitor provided on day one. Individual ergonomic equipment (mouse, noise-cancelling headphones, adjustable desk) available upon request.

• Agile Work Environment: Opportunities for independent, agile work with short decision-making paths and release cycles.

• Career Development Support: Strong potential for a permanent position and rapid career advancement due to sustained company growth. Regular feedback sessions with experienced colleagues to support personal development.

• Well-being Focus: Free chilled beverages (coffee, cocoa), regionally sourced organic muesli, and fresh fruit. Complimentary lunch provided 5 times per week.

• Team Cohesion: Collegial and friendly atmosphere with regular team events, including beer garden visits, office parties, and legendary summer/winter celebrations. Opportunities for joint sports activities like football, bouldering, or yoga.

Working Hours: Typically around 15-20 hours per week, with flexibility to align with academic schedules. This is a part-time student employment arrangement.

📝 Enhancement Note: The salary estimate is based on typical "Werkstudent" rates in Germany, which are often hourly and dependent on collective bargaining agreements or company policy. The benefits package highlights CHECK24's commitment to employee well-being and professional growth, which are attractive aspects for any role, including those in operations. The focus on team events and a positive work environment can be a significant draw for candidates seeking a collaborative culture.

🎯 Team & Company Context

🏢 Company Culture

Industry: E-commerce / Comparison Portal (specifically within the travel/rental sector). CHECK24 is a dominant player in the German market, known for its data-driven innovation and fast-paced, startup-like environment within a successful, established company.

Company Size: Large enterprise with a dynamic, agile team structure. CHECK24 has over 20 million customers and operates across more than 50 products, indicating a significant operational scale. The specific car rental team is likely a focused unit within this larger organization.

Founded: CHECK24 was founded in 1999, but the car rental comparison platform launched in 2016. This means the car rental division benefits from the established infrastructure and brand recognition of CHECK24 while operating with a startup mentality.

Team Structure:

• You will be integrated into a dedicated product team for the car rental comparison.

• This team includes UX/UI designers, AI experts, IT specialists, and Data Scientists, fostering a multidisciplinary approach.

• Collaboration is a key element, with close interaction between product management, design, and technical teams.

• The structure emphasizes agile methodologies, ensuring quick decision-making and iterative development. Methodology:

• Data-driven innovation is central, with a strong reliance on AI and advanced technologies.

• Agile processes and short release cycles are standard for rapid product iteration.

• User-centric design principles guide product development, focusing on enhancing the customer journey and usability.

• Continuous improvement is driven by analysis of user behavior, conversion data, and A/B testing.

Company Website: https://www.check24.de/

📝 Enhancement Note: Understanding CHECK24's culture as a blend of a large, successful company with a startup's agility is crucial. For operations roles, this means opportunities for structured processes within a fast-paced environment. The emphasis on data and AI is a strong indicator of the tools and methodologies prevalent across the organization, making it an attractive environment for operations professionals.

📈 Career & Growth Analysis

Operations Career Level: This role is an entry-level "Werkstudent" (student worker/intern) position. It's designed for individuals early in their academic or professional journey, offering foundational experience in product management, UX/UI, and data analysis within an e-commerce context.

Reporting Structure: You will report to a Product Manager or a senior member of the product team who oversees the car rental comparison platform. You will work closely with UX/UI designers and AI specialists, gaining insights into their respective disciplines.

Operations Impact: While not a direct operations role, the work directly impacts revenue by improving the user experience and conversion rates of the car rental platform. By optimizing the customer journey and making the product more intuitive and efficient, you contribute to higher customer acquisition and retention, which are core GTM objectives. The use of AI for efficiency also mirrors operational goals of streamlining processes.

Growth Opportunities:

• Skill Development: Intensive learning in product management, UX/UI design principles, data analysis, and the application of AI/LLM tools in a real-world e-commerce setting.

• Career Advancement: Strong potential for a permanent entry-level position ("Festeinstieg") upon graduation with excellent performance. CHECK24's sustained growth offers significant opportunities for rapid career progression within product management, operations, or related fields.

• Mentorship: Access to experienced colleagues who provide regular feedback and guidance, fostering personal and professional development. Opportunities to learn from specialists in AI, data science, and IT.

📝 Enhancement Note: For individuals aiming for operations roles, this position serves as an excellent stepping stone. It provides exposure to the critical front-end of the customer funnel and the data that drives it, along with an introduction to efficiency-driving technologies like AI. Demonstrating a proactive approach to learning and contributing will be key for future growth opportunities within CHECK24 or the broader operations field.

🌐 Work Environment

Office Type: Modern, hybrid office environment located directly at Augsburg Main Station within the HELIO building. The building offers amenities like shopping, fitness, and cinema. The office is designed to foster creativity and collaboration.

Office Location(s):

• Viktoriastraße 7, 86150 Augsburg, Bavaria, Germany.

• The location is highly accessible, situated adjacent to the main train station, making it convenient for commuting. Workspace Context:

• Collaborative Environment: The workspace is designed to encourage interaction, with open areas for creative work and dedicated team spaces.

• Tools & Technology: High-performance IT equipment, including powerful laptops and multiple monitors, is standard. Access to cutting-edge AI tools and prototyping software is provided.

• Team Interaction: Frequent opportunities for informal and formal interaction with team members, fostering a strong sense of camaraderie and facilitating knowledge sharing. The office layout supports spontaneous collaboration.

Work Schedule: Part-time, typically 15-20 hours per week. The schedule is flexible and can be adjusted to accommodate academic commitments, provided operational needs are met. This flexibility allows for focused work sessions and dedicated study time.

📝 Enhancement Note: The on-site nature of this role, combined with a modern, amenity-rich office, suggests a company that values employee experience and collaboration. For operations professionals, a well-equipped and collaborative workspace can significantly enhance productivity and team cohesion, which are vital for driving efficient processes.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Review of application documents (CV, cover letter, academic transcripts) focusing on academic performance, relevant coursework, and demonstrated interest in UX/UI and AI.

• First Interview: Likely a call with an HR representative or a hiring manager to assess general fit, motivation, and understanding of the role's core responsibilities. Expect questions about your academic background, interest in CHECK24, and initial thoughts on UX/UI and AI.

• Second Interview/Assessment: This may involve a practical task or a more in-depth discussion with the product team.

  • Portfolio Presentation: You may be asked to present 1-2 projects from your academic work or previous internships that showcase your design thinking, analytical skills, or experience with AI tools.
  • Case Study/Problem-Solving: A potential task could involve analyzing a simple user flow or proposing UX improvements for a given scenario, demonstrating your problem-solving approach and understanding of user-centric design.
  • Team Fit: An opportunity to meet potential team members and assess cultural alignment.

• Final Interview: Possibly a discussion with a senior leader or department head to finalize the decision.

Portfolio Review Tips:

• Highlight Relevance: Tailor your portfolio to emphasize projects demonstrating analytical thinking, user empathy, and experience with digital products.

• Showcase Process: For each project, clearly articulate the problem, your approach (including any data analysis or user research), the solution you developed, and the (intended) impact.

• AI Integration: If you've used AI tools for ideation, research, or workflow optimization, explicitly mention and demonstrate this.

• Clarity & Conciseness: Present your work clearly and concisely. Focus on quality over quantity.

Challenge Preparation:

• Understand CHECK24: Research CHECK24's products, especially the car rental comparison. Understand its market position and key competitors.

• UX/UI Fundamentals: Brush up on core UX/UI principles, user journey mapping, and usability heuristics.

• AI Tool Familiarity: Be ready to discuss your experience with specific AI tools (ChatGPT, Gemini, etc.) and how you've used them practically. Think about how these tools can improve efficiency in product development or operations.

• Data Analysis Basics: Be prepared to discuss how you'd approach analyzing user data or A/B test results to identify improvement opportunities.

📝 Enhancement Note: For operations candidates, the key is to frame your experience and portfolio within a results-oriented and process-driven mindset. Even if your projects are design-focused, emphasize the analytical steps, the problem-solving methodology, and the potential impact on user behavior and business outcomes (like conversion).

🛠 Tools & Technology Stack

Primary Tools:

• AI/LLM Tools: ChatGPT, Gemini, Cursor, Lovable (or similar AI-powered tools for concept generation, text creation, and workflow optimization).

• Prototyping/Design: Figma is explicitly mentioned as a tool used by the team, indicating its importance for UX/UI design and collaboration.

• Collaboration Tools: Standard office suite tools for documentation and communication (e.g., Microsoft Office Suite, Google Workspace).

Analytics & Reporting:

• User Behavior Analysis: Tools for tracking user interactions on the website.

• Conversion Data Analysis: Systems for monitoring and analyzing conversion funnels.

• A/B Testing Platforms: Tools for designing, running, and analyzing A/B tests to optimize features.

CRM & Automation:

• While not directly mentioned for this role, CHECK24 likely uses sophisticated CRM and marketing automation platforms to manage customer interactions and drive GTM strategies. Understanding how UX/UI and product improvements feed into these systems is beneficial.

📝 Enhancement Note: Familiarity with AI/LLM tools is a significant requirement for this role, highlighting CHECK24's commitment to leveraging cutting-edge technology for efficiency. For operations professionals, understanding how these tools can be applied to streamline processes, automate tasks, and enhance data analysis is a valuable skill set. Mentioning experience with Figma and any data analysis tools will also be advantageous.

👥 Team Culture & Values

Operations Values:

• Data-Driven Decisions: A strong emphasis on using data (user behavior, conversion metrics, A/B tests) to inform product decisions and drive improvements.

• Customer Centricity: Prioritizing the user experience and continuously working to meet customer needs through intuitive design and efficient processes.

• Innovation & Agility: Embracing new technologies (like AI) and agile methodologies to adapt quickly and drive continuous improvement.

• Efficiency & Pragmatism: Seeking practical, implementable solutions and leveraging tools to optimize daily workflows and development cycles.

• Collaboration: Working effectively within cross-functional teams, sharing ideas, and providing constructive feedback.

Collaboration Style:

• Cross-Functional Integration: Close collaboration between product, design, AI, IT, and data science teams is fundamental.

• Open Communication: Encouraging the clear articulation of ideas and constructive feedback to ensure alignment and effective problem-solving.

• Agile Teamwork: Working in iterative cycles, with frequent communication and adaptation based on team progress and new insights.

• Knowledge Sharing: A culture that supports learning from one another, particularly in adopting new technologies like AI and refining processes.

📝 Enhancement Note: The values align well with core operations principles: data-driven insights, efficiency, continuous improvement, and collaborative problem-solving. Demonstrating an understanding of these values and how they translate into practical work will resonate well during the interview process for any role at CHECK24.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing UX Needs with Technical Constraints: Effectively translating ideal user experiences into feasible technical implementations within development timelines.

• Rapid Iteration & Prioritization: Managing multiple feature ideas and optimization requests in an agile environment, requiring strong prioritization skills.

• Integrating AI Effectively: Identifying and implementing AI tools in a way that genuinely adds value and efficiency, rather than just being a novelty.

• Data Interpretation Complexity: Deriving clear, actionable insights from diverse data sources (user behavior, A/B tests, qualitative feedback).

Learning & Development Opportunities:

• AI & LLM Expertise: Deepen practical knowledge and application of AI tools for product development and operational efficiency.

• Product Management Fundamentals: Gain hands-on experience in user story creation, feature prioritization, and product lifecycle management.

• UX/UI Design Skills: Enhance understanding of user-centric design, usability testing, and interface optimization.

• Data Analysis & A/B Testing: Develop proficiency in analyzing quantitative data to drive product decisions and measure impact.

• Agile Methodologies: Become adept at working within agile frameworks, contributing to sprints and iterative development cycles.

📝 Enhancement Note: For operations-minded individuals, these challenges and learning opportunities present a chance to hone skills in process optimization, data analysis, and strategic implementation, even within a UX/UI context. Understanding these challenges will help you prepare for interview questions and demonstrate your problem-solving capabilities.

💡 Interview Preparation

Strategy Questions:

• "How would you approach optimizing the user journey for a car rental booking process, given limited data?" (Focus on your systematic approach, potential hypotheses, and how you'd gather data.)

• "Describe a time you used data to inform a decision or improve a process. What was the outcome?" (Highlight your analytical skills and ability to translate data into action.)

• "How can AI tools like ChatGPT be leveraged to improve the efficiency of product teams or UX/UI designers?" (Demonstrate your understanding of AI's practical applications in a work context.)

• "Imagine we're seeing a drop in conversion on our car rental search results page. What steps would you take to investigate and address this?" (Showcase your problem-solving methodology, data analysis approach, and understanding of user funnels.) Company & Culture Questions:

• "Why are you interested in CHECK24 and specifically this role in product management/UX/UI?" (Connect your interests to CHECK24's market position, innovation, and the specific aspects of the role.)

• "How do you stay updated on the latest trends in UX/UI design and AI technology?" (Show your proactivity and continuous learning mindset.)

• "Describe your experience working in a team. What is your preferred collaboration style?" (Highlight your ability to work effectively with diverse teams.) Portfolio Presentation Strategy:

• Structure: For each project, clearly outline: 1. The Problem, 2. Your Role & Approach, 3. The Solution, 4. The Outcome/Impact.

• Quantify: Whenever possible, use metrics to demonstrate the impact of your work (e.g., "Increased user engagement by X%", "Identified Y key areas for improvement"). If it's a conceptual project, explain the expected impact based on design principles or data analysis.

• AI Integration Focus: Clearly explain how you used AI tools, what specific problem they helped solve, and what the benefit was (e.g., "Used ChatGPT to brainstorm user story variations, saving X hours of manual ideation").

• Enthusiasm: Show genuine interest in CHECK24's products and a passion for creating great user experiences.

📝 Enhancement Note: Operations candidates should emphasize their analytical rigor, process-orientation, and ability to drive measurable results. Frame your responses around efficiency, data-driven decision-making, and problem-solving methodologies, even when discussing UX/UI topics.

📌 Application Steps

To apply for this operations-aligned position:

• Submit your application through the CHECK24 careers portal link provided.

• Tailor your Resume: Highlight any experience with data analysis, process improvement, user behavior understanding, or AI/LLM tools. Use keywords from the job description.

• Craft a Compelling Cover Letter: Clearly state your motivation for applying to CHECK24 and this specific role, emphasizing your academic strengths, interest in UX/UI and AI, and your desire to contribute to a leading e-commerce platform.

• Prepare Your Portfolio: Curate 1-3 relevant projects that showcase your analytical thinking, problem-solving skills, and any experience with user flows, data analysis, or AI tools. Be ready to present these clearly and concisely.

• Research CHECK24: Understand their business model, market position, and the specific car rental comparison product. Familiarize yourself with their company values and culture.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.