UI/UX Designer (Focus on UI, with UX experience)

📍 Job Overview

Job Title: UI/UX Designer (Focus on UI, with UX experience)

Company: Happy Koala LLC

Location: Prague, Czechia

Job Type: Full-Time Contractor

Category: Digital Design & User Experience

Date Posted: 2026-08-17

Experience Level: Mid-Level (2-5 years)

Remote Status: Fully Remote

🚀 Role Summary

• Spearhead the design and enhancement of the company's digital presence, focusing on user interface (UI) and user experience (UX) for websites and marketing campaigns.

• Translate business objectives and creative briefs into visually compelling, intuitive, and conversion-optimized digital assets.

• Drive user engagement and conversion rates through thoughtful design of product pages, landing pages, and campaign creatives.

• Ensure a consistent and high-quality visual design language across all digital touchpoints, from desktop to mobile.

📝 Enhancement Note: This role is positioned as a mid-level designer, emphasizing strong UI craft with a foundational understanding of UX principles. The focus on conversion optimization and e-commerce/DTC experience suggests a direct impact on business growth and revenue generation, aligning it with GTM operations.

📈 Primary Responsibilities

• Design and iterate on product pages to enhance visual appeal, clarity, and ease of navigation, directly impacting customer engagement and conversion.

• Develop engaging campaign creatives that effectively communicate brand messaging and drive desired user actions.

• Redesign and optimize existing website sections to improve user experience, increase engagement metrics, and boost conversion rates.

• Transform initial concepts, briefs, and campaign ideas into polished, high-fidelity designs that meet business and user needs.

• Strategically integrate key information, calls-to-action (CTAs), trust elements, and benefit highlights into designs to maximize conversion potential.

• Map out and refine user journeys for new pages, ensuring a seamless and frictionless experience from initial interaction to conversion.

• Maintain and enforce visual design consistency across the website, marketing campaigns, and various digital platforms.

• Rapidly adapt and refine designs based on performance data, user feedback, and evolving business priorities.

• Ensure all designs are fully responsive and optimized for optimal performance across desktop and mobile devices.

📝 Enhancement Note: The responsibilities highlight a blend of creative design execution and strategic UX thinking, with a clear emphasis on driving business outcomes like conversion. The iterative nature of the role, requiring adaptation based on feedback and data, is a hallmark of effective GTM design roles.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong portfolio demonstrating equivalent practical experience and expertise is paramount. A background in Graphic Design, Digital Design, HCI, or a related field is beneficial.

Experience: Minimum of 2-5 years of proven experience as a UX/UI Designer, with a substantial portfolio showcasing digital and web design work, ideally within e-commerce or Direct-to-Consumer (DTC) contexts.

Required Skills:

• UI Design: Exceptional visual design skills with meticulous attention to detail and a commitment to high aesthetic quality.

• UX Principles: Solid understanding of user experience best practices, user-centered design methodologies, and conversion-focused design strategies.

• Figma Proficiency: Advanced proficiency in Figma for design, prototyping, and collaboration.

• E-commerce/DTC Design: Proven experience designing for e-commerce platforms or Direct-to-Consumer (DTC) brands, with a portfolio that reflects this specialization.

• Responsive Design: Expertise in creating designs that adapt seamlessly across various screen sizes and devices (desktop, tablet, mobile).

• Conversion Optimization: Demonstrated ability to apply conversion principles and design elements that influence user behavior and drive desired actions.

• User Journey Mapping: Ability to conceptualize and design intuitive user flows that minimize friction and enhance engagement.

• Visual Consistency: Skill in maintaining brand consistency and a cohesive visual identity across diverse digital touchpoints.

• Adaptability & Feedback Integration: Capacity to quickly iterate on designs based on constructive feedback and evolving project requirements.

Preferred Skills:

• Experience in the health or supplement industry.

• Familiarity with A/B testing methodologies and data-driven design iteration.

• Basic understanding of front-end development principles (HTML, CSS) to inform design feasibility.

• Experience with prototyping tools beyond Figma for advanced user flow simulations.

• Familiarity with design systems and component-based design.

📝 Enhancement Note: The emphasis on Figma, e-commerce/DTC experience, and conversion optimization strongly indicates a need for a designer who can directly contribute to sales and marketing funnel effectiveness. The "bonus" for health/supplements points to a specific industry alignment.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A comprehensive digital portfolio that clearly showcases relevant web and e-commerce design experience.

• Case studies demonstrating the design process from concept to completion, highlighting problem-solving, user research (if applicable), design decisions, and final outcomes.

• Examples of UI design craft, including visual aesthetics, typography, color theory, and layout principles.

• Demonstrations of UX thinking, such as user flows, wireframes, and interactive prototypes that illustrate intuitive navigation and user journeys.

• Evidence of designing for conversion, including examples of how designs influenced user behavior and achieved business goals (e.g., increased add-to-carts, improved conversion rates).

• Specific examples of responsive design for both desktop and mobile interfaces. Process Documentation:

• Showcase your ability to document your design process, including initial ideation, wireframing, prototyping, user testing (if applicable), and final design outputs.

• Examples of how you've translated business requirements and campaign briefs into actionable design solutions.

• Demonstrate how you incorporate feedback and iterate on designs to achieve optimal results.

📝 Enhancement Note: For a design role focused on conversion, the portfolio must go beyond aesthetics. It needs to clearly articulate the "why" behind design choices, demonstrate an understanding of user psychology in a commercial context, and present measurable impact where possible.

💵 Compensation & Benefits

Salary Range: For a fully remote, full-time contractor role based in Prague (requiring availability during EU hours), a competitive annual salary range would typically fall between €40,000 - €65,000 EUR, depending on the depth of experience and specific qualifications. This estimate is based on industry benchmarks for skilled UI/UX designers in the European market, adjusted for the contractor status and the remote work flexibility offered.

Benefits:

• Strong Salary Package: Competitive compensation reflecting the value of your skills and contributions.

• Paid Holidays: Generous paid time off to ensure work-life balance and opportunities for rest and rejuvenation.

• Work from Anywhere: Ultimate flexibility to work from any location that inspires you, fostering a global perspective.

• Join a Vibrant Team: Become part of a diverse, international, and friendly team that values collaboration and innovation.

• Flexible Working Hours: Autonomy to manage your schedule, accommodating personal productivity peaks and preferences.

• Opportunities for Growth: Access to resources such as free books, courses, and ongoing learning opportunities to support professional development and skill advancement.

• Dynamic Work Environment: Experience a fast-paced, ever-evolving workplace with new challenges and exciting projects daily.

• Make a Difference: Contribute to a mission-driven company focused on improving health and well-being, offering a sense of purpose beyond the daily tasks.

Working Hours: 40 hours per week. While the role is fully remote with flexible hours, candidates are required to be available during EU working hours (GMT) to facilitate collaboration with the international team.

📝 Enhancement Note: The salary range is an estimate for a contractor role in Prague, considering the company's international presence and the need for EU-hour availability. The benefits listed are directly from the job description, emphasizing flexibility and growth, which are attractive to remote professionals.

🎯 Team & Company Context

🏢 Company Culture

Industry: Natural Food Tech / Health & Wellness Supplements. Happy Mammoth operates in a growing market focused on gut health, digestive aids, and microbiome science, aiming to empower individuals towards lasting health transformations. This industry context implies a focus on trust, scientific backing, and a positive, health-conscious brand image.

Company Size: Rapidly expanding, with a global presence across the US, Australia, and Europe. This suggests a dynamic, scale-up environment where processes might be evolving, and individual contributions have a significant impact. For operations professionals, this means opportunities to shape processes and systems.

Founded: While the founding date isn't explicitly stated, the company's multi-continental presence and focus on natural food tech indicate a relatively modern and growth-oriented organization.

Team Structure:

• The design team likely operates within a broader marketing or product development function, collaborating closely with marketing, content, and potentially product management teams.

• As a remote-first company, expect a team structure that relies heavily on asynchronous communication and digital collaboration tools.

• The "vibrant, diverse team of international innovators" suggests a global, multi-cultural environment where cross-functional collaboration is key. Methodology:

• Data-Driven Design: The emphasis on conversion optimization and improving user experience suggests a methodology that relies on analytics and performance metrics to inform design decisions.

• Agile & Iterative: The need to "adapt and improve designs quickly based on feedback and business priorities" points towards an agile or iterative design process.

• User-Centricity: The core of UX/UI design is understanding and catering to user needs and journeys.

Company Website: https://store.happymammoth.com/

📝 Enhancement Note: The company's focus on health and natural products, combined with its tech-forward approach and global reach, creates a unique cultural backdrop. For a designer, this means creating interfaces that are not only aesthetically pleasing but also build trust and clearly communicate health benefits.

📈 Career & Growth Analysis

Operations Career Level: This role is a Mid-Level UI/UX Designer, focusing on execution and refinement of digital assets. It's a hands-on position that requires proficiency in design tools and a solid understanding of conversion-driven design principles. The "focus on UI with UX experience" indicates a specialist role that contributes directly to the effectiveness of marketing and sales initiatives.

Reporting Structure: Likely reports to a Design Lead, Marketing Manager, or Head of Digital, depending on the company's internal structure. As a contractor, direct oversight might be more project-based.

Operations Impact: The UI/UX Designer plays a crucial role in the Go-To-Market (GTM) strategy by directly influencing customer acquisition, engagement, and conversion on the company's digital platforms. Effective designs translate into improved conversion rates, higher customer satisfaction, and ultimately, increased revenue.

Growth Opportunities:

• Skill Specialization: Deepen expertise in UI design, conversion rate optimization (CRO), or specific areas of UX research.

• Industry Expertise: Develop a niche understanding of design within the health, wellness, and supplements sector.

• Leadership Potential: With proven success and additional experience, opportunities may arise to lead design projects, mentor junior designers, or contribute to design system development.

• Cross-Functional Learning: Gain exposure to marketing strategies, e-commerce operations, and product development through collaboration.

• Professional Development: Utilize provided resources like books, courses, and potential certifications to continuously enhance design skills and stay abreast of industry trends.

📝 Enhancement Note: The growth opportunities are framed within the context of design specialization and potential advancement within a growing company, linking to broader GTM team success.

🌐 Work Environment

Office Type: Fully Remote. This role offers the ultimate flexibility, allowing the designer to work from any location. The company emphasizes a global team and remote-first culture.

Office Location(s): While the company has a presence in the US, Australia, and Europe, this specific role is remote and requires availability during EU hours (GMT). Prague is mentioned as a location, likely indicating a regional hub or the base of operations for EU-based team members, but the role itself is location-independent for the candidate.

Workspace Context:

• Collaborative Digital Space: The work environment is primarily digital, relying on online collaboration tools, video conferencing, and project management software.

• Global Team Interaction: Opportunities to collaborate with a diverse, international team of professionals across different time zones and functions.

• Tools & Technology: Access to and utilization of industry-standard design software (e.g., Figma) and communication platforms.

• Autonomy & Flexibility: A high degree of autonomy in managing workflow and work environment, balanced with the need for team synchronization during core EU hours.

Work Schedule: Full-time (40 hours/week) with flexible working hours, provided availability during EU hours (GMT) is maintained. This allows for personal schedule management while ensuring effective team collaboration.

📝 Enhancement Note: The remote nature of the role is a key feature, emphasizing autonomy and flexibility. The requirement for EU hours availability is a critical operational constraint for remote collaboration.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your CV and portfolio to assess qualifications, experience, and design aesthetic against the role requirements.

• Design Challenge/Task: Potentially a practical exercise to evaluate your UI/UX skills, problem-solving abilities, and approach to design briefs, likely focusing on website elements or campaign creatives.

• Interview(s): Discussions with hiring managers and potentially team members to assess cultural fit, communication skills, and deeper understanding of design principles and conversion strategies. Expect questions about your portfolio, design process, and how you approach specific design challenges.

• Final Evaluation: Assessment of your overall fit, technical skills, and potential contribution to the team's goals.

Portfolio Review Tips:

• Curate Strategically: Select 3-5 of your strongest projects that best demonstrate your UI craft, UX thinking, and conversion-focused design experience, especially in e-commerce or DTC.

• Showcase Process: For each project, clearly outline the problem, your role, your design process (ideation, wireframing, prototyping, testing), key decisions, and the final outcome. Quantify results if possible (e.g., "led to a 15% increase in add-to-cart").

• Highlight UI Craft: Ensure your visual design execution is impeccable – strong typography, color palettes, layout, and attention to detail.

• Demonstrate UX Thinking: Explain how you considered user needs, user journeys, and intuitive navigation in your designs.

• Emphasize Conversion: Explicitly point out how your designs were optimized for conversion, including specific elements like CTAs, trust signals, and benefit communication.

• Responsiveness: Include examples or explanations of how your designs adapt to different screen sizes.

• Figma Focus: Be prepared to discuss your workflow and specific techniques within Figma.

Challenge Preparation:

• Understand the Brief: Thoroughly read and understand any design challenge provided. Clarify any ambiguities.

• Think Business & User: Approach the challenge by considering both the business objectives (e.g., conversion, engagement) and the user's needs and journey.

• Structure Your Response: Organize your thoughts logically. For a design task, present your proposed solution with clear rationale, showcasing your design process and decision-making.

• Be Concise: Deliver your solution clearly and efficiently, respecting any time limits.

📝 Enhancement Note: The application process emphasizes the portfolio as a critical component, requiring candidates to demonstrate tangible results and a strategic design approach aligned with business objectives.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: The core design tool for UI design, wireframing, prototyping, and collaboration. Proficiency is explicitly required.

• Prototyping Tools: While Figma offers robust prototyping, familiarity with other tools might be beneficial for more complex user flow simulations.

Analytics & Reporting:

• While not a primary requirement for the designer, understanding how to interpret data from analytics platforms (e.g., Google Analytics, Hotjar) and reporting tools to inform design decisions is highly advantageous. CRM & Automation:

• Not directly relevant to the designer's core tools, but awareness of how designs integrate with CRM systems or marketing automation platforms for campaign execution can be beneficial.

📝 Enhancement Note: Figma is the central tool for this role. While not explicitly stated, a designer who can interpret basic analytics to justify design choices will have an edge.

👥 Team Culture & Values

Operations Values:

• Impact-Driven: A focus on making a tangible difference in customer health and well-being, translating into designs that drive business impact.

• Innovation & Creativity: Encouragement to push creative boundaries and find novel solutions in a "dynamic work environment."

• Collaboration & Teamwork: Emphasis on working together effectively within a diverse, global team ("Teamwork makes the dream work!").

• Continuous Learning: Commitment to personal and professional growth, supported by provided resources.

• Efficiency & Agility: A fast-paced environment that requires quick adaptation and efficient execution.

Collaboration Style:

• Remote-First: Communication is primarily digital and asynchronous, requiring clear, concise written and visual communication.

• Cross-Functional: Close collaboration with marketing, content, and potentially product teams to align design with broader business objectives.

• Feedback-Oriented: Openness to receiving and acting on feedback from various stakeholders to refine designs and meet business goals.

• Global Team Dynamics: Ability to work effectively with colleagues from diverse backgrounds and potentially across different time zones.

📝 Enhancement Note: The company culture values impact, creativity, and collaboration, all within a flexible, remote-first framework. A designer who thrives in such an environment, balancing creative expression with measurable results, will be a strong fit.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing UI Craft with UX Strategy: Effectively integrating strong visual design with user-centered principles and conversion goals.

• Remote Collaboration Nuances: Navigating communication and collaboration effectively within a fully remote, international team, especially with flexible hours.

• Rapid Iteration Cycles: Adapting designs quickly to feedback and evolving business priorities in a fast-paced environment.

• Maintaining Brand Consistency: Ensuring a unified visual identity across a growing range of digital touchpoints and campaigns.

• Translating Complex Concepts: Designing interfaces that clearly communicate the benefits of health and wellness products.

Learning & Development Opportunities:

• Advanced Design Techniques: Opportunities to learn and apply cutting-edge UI/UX design patterns and conversion optimization strategies.

• Industry-Specific Knowledge: Gaining in-depth understanding of the health, wellness, and e-commerce sectors.

• Cross-Disciplinary Exposure: Working closely with marketing and product teams to understand broader business strategies and operations.

• Professional Development Resources: Access to free books, courses, and other resources to continuously upskill and stay current with design trends and tools.

• Portfolio Building: The role offers ample opportunity to build a strong portfolio with impactful projects that can drive future career growth.

📝 Enhancement Note: The challenges are inherent to a growth-oriented, remote design role focused on conversion. The growth opportunities are framed around skill enhancement, industry specialization, and practical application of learning.

💡 Interview Preparation

Strategy Questions:

• Design Philosophy: "Describe your design philosophy, particularly concerning balancing visual appeal with user experience and conversion goals." (Prepare to discuss your approach to UI craft, UX principles, and how they serve business objectives.)

• Conversion Optimization: "How do you approach designing for conversion? Can you walk me through an example from your portfolio where your design directly influenced user behavior or conversion rates?" (Focus on specific design elements, user journey mapping, and quantifiable results.)

• Problem-Solving: "Imagine you're tasked with redesigning a product page that has a low add-to-cart rate. What would be your first steps, and what design considerations would you prioritize?" (Outline your process, from analysis to iteration, highlighting your UX and UI rationale.)

Company & Culture Questions:

• Brand Alignment: "What interests you about Happy Mammoth's mission and products? How do you see your design skills contributing to our brand's message?" (Research the company's mission, values, and target audience.)

• Remote Collaboration: "How do you ensure effective communication and collaboration with a remote, international team, especially with flexible working hours?" (Discuss your preferred tools, communication strategies, and experience with asynchronous work.)

• Design Feedback: "How do you handle constructive criticism on your designs? Describe a time you received feedback that significantly changed your design direction." (Showcase your ability to be receptive and adaptable.)

Portfolio Presentation Strategy:

• Tell a Story: For each project, present it as a narrative: the challenge, your role, your process, the solution, and the impact.

• Quantify Success: Whenever possible, use data and metrics to demonstrate the effectiveness of your designs (e.g., conversion rate improvements, engagement metrics).

• Focus on "Why": Explain the rationale behind your design decisions. Why did you choose a particular layout, color, or CTA?

• Highlight UI & UX Balance: Clearly articulate how you integrated strong UI aesthetics with sound UX principles.

• Demonstrate Conversion Focus: Explicitly point out the conversion-driving elements in your designs and explain their purpose.

• Showcase Figma Workflow: Be prepared to discuss your proficiency and specific techniques used within Figma.

📝 Enhancement Note: Interview preparation should focus on demonstrating a blend of creative talent, strategic thinking, and a results-oriented approach, with a clear understanding of how design impacts business objectives in an e-commerce/DTC context.

📌 Application Steps

To apply for this UI/UX Designer position:

• Submit your application through the provided application link on the Happy Mammoth careers portal.

• Portfolio Customization: Tailor your portfolio to highlight 3-5 of your most relevant e-commerce/DTC design projects, emphasizing UI craft, UX thinking, and conversion optimization.

• Resume Optimization: Ensure your resume clearly articulates your years of experience, proficiency in Figma, and any relevant experience in the health or supplement industry. Use keywords from the job description.

• Prepare Your Narrative: Practice articulating your design process and the impact of your work for each portfolio project. Be ready to discuss your approach to conversion-driven design and user journeys.

• Research Happy Mammoth: Familiarize yourself with Happy Mammoth's brand, products, and mission. Understand their current website and marketing efforts to better align your application and interview responses.

⚠️ 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.

---