Product Designer (w/m/d) - Mid/Senior Level, UI & Interaction Focus

📍 Job Overview

Job Title: Product Designer (w/m/d) - Mid/Senior Level, UI & Interaction Focus

Company: SpotmyEnergy

Location: Berlin, Germany

Job Type: Permanent employee

Category: Product Design / UI/UX Design

Date Posted: 2026-05-13

Experience Level: Mid to Senior Level (5-10 years)

Remote Status: On-site

🚀 Role Summary

• Drive end-to-end product design ownership for a mobile application in the energy tech sector, from initial customer understanding and solution shaping to detailed UI and interaction design.

• Specialize in crafting visually stunning, high-quality mobile interfaces with a keen eye for layout, hierarchy, typography, color, and brand consistency.

• Develop engaging motion and micro-interactions that enhance user clarity, provide delightful feedback, and improve overall user experience within the app.

• Apply gamification principles to complex energy data and user flows, making intricate information accessible and motivating for users.

• Collaborate closely with developers to ensure pixel-perfect implementation and maintain high standards of product quality.

📝 Enhancement Note: This role is distinct from typical Revenue or Sales Operations roles. It focuses on product user experience and interface design, not on operational efficiency, process optimization, or revenue enablement. The emphasis is on the creation of the user-facing product, rather than the operation of the business functions that drive revenue. Therefore, "Operations" keywords will be used sparingly and contextually, primarily to highlight the impact of design on user adoption and engagement, which indirectly supports revenue goals.

📈 Primary Responsibilities

• Lead feature development from ideation through to final implementation, encompassing user research, user flow mapping, UI design, and detailed interaction design.

• Design intuitive and visually appealing mobile interfaces that align with brand identity and elevate the user experience.

• Create sophisticated animations and micro-interactions that provide immediate user feedback, guide navigation, and add a layer of delight to the application.

• Integrate gamification elements into the app's design to simplify complex energy data and encourage user engagement with energy consumption and cost-saving features.

• Work in direct partnership with engineers to guarantee precise execution of design specifications, ensuring a high-fidelity and polished final product.

• Contribute to the development and maintenance of a scalable design system, leveraging AI tooling to enhance design speed and ensure consistency across the product.

📝 Enhancement Note: The responsibilities highlight a full-stack design role with a strong emphasis on visual and interaction design for mobile. The "gamification" aspect is key, suggesting a need to translate complex data into engaging user experiences. Collaboration with developers is critical for implementation quality.

🎓 Skills & Qualifications

Education: While no specific degree is listed, a Bachelor's or Master's degree in Design, Human-Computer Interaction, or a related field is often preferred for mid to senior-level roles. Equivalent practical experience will also be considered.

Experience: A minimum of 5-10 years of professional experience in mobile product design, with a proven track record of designing and shipping successful mobile applications.

Required Skills:

• Extensive experience in mobile product design, demonstrating proficiency at a mid to senior level.

• Exceptional visual design capabilities, including mastery of layout, visual hierarchy, typography, color theory, and brand application.

• A strong passion for and demonstrated skill in interaction design, animation, and motion graphics specifically for mobile interfaces.

• Proven ability to translate complex systems and data into simple, user-friendly product experiences.

• Hands-on experience in building and maintaining design systems, with a focus on efficiency and scalability.

Preferred Skills:

• Experience designing gamified user experiences or interfaces that effectively present complex data.

• Familiarity and practical experience with AI tools for design, such as Figma's MCP server or similar platforms, to accelerate design processes and maintain consistency.

• Experience within the energy tech industry or a related sector dealing with complex data and user behavior change.

• Understanding of user research methodologies and the ability to conduct user interviews and usability testing to inform design decisions.

📝 Enhancement Note: The requirements emphasize a blend of aesthetic skill (visual design, motion) and functional design (interaction, systems, complexity simplification). Experience with AI tooling in design is a specific plus, suggesting a forward-thinking design approach.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase end-to-end design process for at least 2-3 significant mobile product features or applications.

• Include detailed case studies demonstrating user research, problem definition, ideation, wireframing, high-fidelity UI design, and prototyping.

• Highlight specific examples of interaction design, motion graphics, and micro-interactions, explaining their purpose and impact on user experience.

• Present evidence of contributions to or creation of design systems, including examples of component libraries, style guides, and their application.

Process Documentation:

• Outline the design process followed for featured projects, emphasizing how user needs were identified and translated into design solutions.

• Detail the approach to collaboration with product managers and developers, including feedback loops and iteration strategies.

• Provide examples of how design challenges were overcome, particularly in translating complex energy data or gamification concepts into user-friendly interfaces.

• Showcase how design systems were utilized to ensure consistency and efficiency throughout the design and development lifecycle.

📝 Enhancement Note: A strong portfolio is crucial for this role. Candidates should be prepared to walk through their design process, highlighting their UI craft, interaction design skills, and ability to manage design systems, especially those leveraging AI tools.

💵 Compensation & Benefits

Salary Range: For a Mid/Senior Product Designer in Berlin, Germany, with 5-10 years of experience, the estimated annual salary range is typically between €60,000 and €85,000. This range can vary based on the specific company's funding, the candidate's precise experience, and negotiation.

• Research Methodology: This estimate is based on current market data for product design roles in Berlin, considering experience level, industry (tech/energy), and the responsibilities outlined. Sources include salary aggregators like Glassdoor, LinkedIn Salary, and industry-specific compensation reports for Germany.

Benefits:

• Ownership of a mission-critical product that directly impacts thousands of daily users.

• Significant influence on core business aspects, including product strategy and system architecture.

• A high-trust role with substantial responsibility and streamlined decision-making processes.

• Opportunities for close collaboration with experienced product, design, and engineering professionals in a growing energy tech company.

• A company culture that values high standards, constructive feedback, and employee ownership.

Working Hours: The role specifies 40 working hours per week. While on-site, there may be some flexibility in daily start and end times, common in Berlin-based tech companies, to accommodate personal needs and optimize productivity.

📝 Enhancement Note: The salary range is an estimation for Berlin, Germany. Benefits are derived directly from the "Our Offer" section and are presented in a way that highlights their value to a design professional.

🎯 Team & Company Context

🏢 Company Culture

Industry: Energy Technology / Software. SpotmyEnergy operates at the intersection of energy transition and technology, focusing on smart solutions for flexibility in the energy market, leveraging residential assets.

Company Size: Small, collaborative team. This implies a dynamic environment where individual contributions are highly visible and impactful.

Founded: (Not specified, but described as a "fast-growing energy tech company"). This suggests a company that is past the initial startup phase and is scaling, with established processes but still retaining agility.

Team Structure:

• The design team is small, with the candidate working closely alongside another senior designer.

• Collaboration is expected with two developers and a product manager, indicating a cross-functional, agile team structure.

Methodology:

• User-Centric Design: Emphasis on understanding customers and shaping solutions based on their needs.

• Agile Development: Close collaboration with developers suggests an agile workflow, with iterative design and implementation cycles.

• Design System Driven: Commitment to building and maintaining a scalable design system for consistency and efficiency.

• AI Integration: Proactive use of AI tooling within the design process to enhance speed and consistency.

Company Website: spotmyenergy.de

📝 Enhancement Note: The company culture appears to be high-performance, collaborative, and focused on innovation within the energy tech space. The small team size means designers will have significant autonomy and direct impact.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned at a Mid to Senior level within the Product Design discipline. It requires an individual capable of owning features end-to-end and contributing significantly to the product's visual and interactive quality, as well as the design system.

Reporting Structure: The designer will work closely with another senior designer, implying a peer-level relationship within the design function, and will report to a design lead or product lead (specific reporting line not detailed).

Operations Impact: While not a direct "operations" role, the designer's impact is on user acquisition, engagement, and retention through a superior product experience. This directly influences customer adoption of energy cost-saving features, which is core to the company's business model and revenue generation in the energy flexibility market.

Growth Opportunities:

• Design Leadership: Potential to grow into a lead design role, mentoring junior designers and shaping the future design direction of the company.

• Specialization: Deepen expertise in areas like interaction design, animation, gamification, or design systems, becoming a subject matter expert.

• Strategic Influence: Increased involvement in product strategy discussions as design leadership matures within the company.

• Industry Expertise: Develop specialized knowledge in the energy tech sector, a growing and critical field.

📝 Enhancement Note: This role offers a pathway for growth within a specialized tech niche. The emphasis on ownership and direct impact provides a strong foundation for career advancement in product design.

🌐 Work Environment

Office Type: On-site role in Berlin, Germany. This indicates a physical workspace designed for collaboration and focused work.

Office Location(s): Münzstraße, Berlin, 10119. This central Berlin location is likely accessible via public transport.

Workspace Context:

• Collaborative Environment: Working closely with a small, dedicated team of designers, developers, and product managers fosters a highly collaborative atmosphere.

• Tools & Technology: Access to modern design tools, likely including Figma, and potentially AI-powered design aids. The company is actively integrating AI into its design workflows.

• Team Interaction: Frequent interaction with peers and cross-functional team members is inherent in the described team structure, facilitating knowledge sharing and problem-solving.

Work Schedule: The standard working hours are 40 per week. The on-site nature suggests a structured workday, but the company culture of "high trust" may allow for some flexibility in daily schedules.

📝 Enhancement Note: The on-site requirement in Berlin suggests a preference for in-person collaboration and team cohesion, common in smaller, fast-growing tech companies.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Review of resume and portfolio to assess foundational skills and experience alignment.

• Portfolio Presentation: A key stage will involve presenting selected case studies from the portfolio, explaining design process, decisions, and impact. Expect to discuss UI craft, interaction details, and design system contributions.

• Design Challenge: A practical exercise, potentially a take-home assignment or a live design problem, focusing on UI/UX for a mobile interface or a specific feature, possibly involving complex data or gamification.

• Team/Cultural Fit Interview: Discussions with other designers, developers, and product managers to assess collaboration style, communication skills, and alignment with company values (high standards, honest feedback, ownership).

• Final Interview: Likely with a founder or senior leadership to discuss strategic alignment and overall fit.

Portfolio Review Tips:

• Curate Strategically: Select 3-4 strong case studies that best showcase your UI, interaction design, motion skills, and design system experience. Prioritize mobile-focused projects.

• Tell a Story: For each case study, clearly articulate the problem, your role, the process, the challenges, your creative solutions, and the outcomes (quantifiable where possible).

• Highlight Craftsmanship: Emphasize the quality of your visual design, UI details, and especially the nuances of your interaction and motion design. Show, don't just tell, how elements move and behave.

• Demonstrate System Thinking: Clearly explain your approach to building or contributing to design systems, including component libraries and their impact on efficiency and consistency.

• AI Tool Integration: If applicable, explicitly mention and showcase how you've used AI tools (like within Figma) to streamline your workflow or enhance design output.

Challenge Preparation:

• Understand the Domain: Familiarize yourself with the energy tech industry and common challenges related to user engagement with energy data.

• Mobile-First Thinking: Be prepared to design for a mobile context, considering touch interactions, screen real estate, and performance.

• Gamification Concepts: Review principles of gamification and how they can be applied to motivate users and simplify complex information.

• Problem-Solving: Practice breaking down ambiguous problems into actionable design steps.

📝 Enhancement Note: The interview process heavily emphasizes practical design skills and portfolio demonstration. Candidates should prepare to articulate their process and design rationale in detail, especially concerning UI, interaction, and design systems.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Highly probable as the primary design and prototyping tool, especially given the mention of "Figma MCP server." Proficiency in Figma for UI design, prototyping, and collaboration is essential.

• AI Design Tools: The mention of "AI tooling for speed and consistency" and "Figma MCP server" suggests familiarity with AI-assisted design features within Figma or other integrated AI design platforms.

Analytics & Reporting:

CRM & Automation:

• Not directly relevant to the Product Designer role itself, but understanding how user data flows from the app into CRM or marketing automation systems might provide context.

📝 Enhancement Note: Proficiency with Figma and an understanding of AI-driven design tools are critical technical requirements for this role.

👥 Team Culture & Values

Operations Values:

• High Standards: A commitment to excellence in design quality, user experience, and product implementation.

• Honest Feedback: A culture where constructive criticism is welcomed and shared openly to drive improvement.

• Real Ownership: Employees are empowered and expected to take responsibility for their work and its impact on the company's success.

• Collaboration: A strong emphasis on working effectively with cross-functional teams to achieve shared goals.

Collaboration Style:

• Cross-functional Integration: Designers work hand-in-hand with product managers and developers, ensuring that design is integrated throughout the product development lifecycle.

• Iterative Design: The team likely embraces an iterative approach, using feedback and data to refine designs continuously.

• Knowledge Sharing: A culture that encourages sharing best practices, design patterns, and learnings within the team to elevate collective skills.

📝 Enhancement Note: The company culture emphasizes performance, transparency, and shared responsibility, which are key for a small, fast-moving team.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Complexity and Simplicity: Translating intricate energy data and gamification concepts into an intuitive and engaging mobile experience.

• Maintaining Brand Consistency: Ensuring a cohesive visual and interactive experience across all features, especially while scaling a design system.

• Pixel-Perfect Implementation: Collaborating effectively with developers to achieve the desired visual fidelity and interaction quality.

• Pacing in a Fast-Growing Company: Adapting to rapid development cycles and evolving product priorities in a scaling tech environment.

Learning & Development Opportunities:

• Advanced UI/UX Skills: Deepen expertise in mobile UI design, interaction patterns, animation, and micro-interactions.

• Gamification Strategy: Develop a strong understanding of gamification principles and their application in driving user behavior change.

• Design System Mastery: Become an expert in building and maintaining scalable design systems, potentially exploring AI-driven automation.

• Energy Tech Domain Expertise: Gain specialized knowledge in the dynamic and increasingly important energy technology sector.

📝 Enhancement Note: The challenges are inherent to designing complex, data-driven applications with a focus on user engagement. Growth opportunities are tied to skill development and domain expertise.

💡 Interview Preparation

Strategy Questions:

• "Describe your process for taking a feature from concept to launch in a mobile application. How do you ensure user needs and business goals are met?" (Focus on your end-to-end ownership, research, and collaboration)

• "How do you approach designing gamified experiences for complex data? Provide an example from your portfolio." (Highlight your ability to simplify and engage)

Company & Culture Questions:

• "What interests you about SpotmyEnergy and the energy tech industry?" (Show genuine curiosity and research)

• "How do you handle constructive feedback on your designs? Describe a time you received difficult feedback and how you incorporated it." (Demonstrate openness and a growth mindset)

Portfolio Presentation Strategy:

• Lead with Impact: Start with your strongest case study that best represents your skills for this role.

• Showcase Process, Not Just Polish: Be ready to discuss the "why" behind your design decisions, not just the final aesthetic.

• Highlight Interaction & Motion: Dedicate time to demonstrating the interactive elements and animations you've designed, explaining their purpose and effect.

• Explain Design System Contribution: Clearly articulate your role in creating or maintaining the design system and how it benefits the product.

• Quantify Results: If possible, provide data or metrics that show the positive impact of your design work.

📝 Enhancement Note: Interview preparation should focus on demonstrating a strong understanding of mobile UI/UX, interaction design, design systems, and the ability to translate complex concepts into user-friendly experiences.

📌 Application Steps

To apply for this Product Designer position:

• Submit your application through the provided link on the Personio platform.

• Customize Your Resume: Tailor your resume to highlight your experience in mobile product design, UI/UX craft, interaction design, animation, and design systems. Use keywords from the job description and emphasize your mid-to-senior level experience.

• Curate Your Portfolio: Select case studies that best demonstrate your UI skills, interaction design finesse, and experience with design systems and AI tooling. Prepare to articulate your design process and decisions clearly.

• Prepare for Presentation: Practice walking through your portfolio case studies, focusing on storytelling, design rationale, and showcasing your craftsmanship in UI and motion design.

• Research SpotmyEnergy: Understand their mission, the energy tech market, and their product. Consider how your design skills can contribute to their goals of energy flexibility and cost reduction for customers.

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