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: Ljubljana, Slovenia

Job Type: Full-Time Contractor

Category: Design & User Experience

Date Posted: August 17, 2026

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

Remote Status: Fully Remote

🚀 Role Summary

• Design compelling and intuitive digital interfaces and creatives that drive customer engagement and conversion for a growing natural food tech company.

• Translate business objectives and creative briefs into high-quality visual designs and user experiences, with a strong emphasis on UI craft and a solid UX foundation.

• Optimize existing website elements and create new campaign assets to enhance user journeys, improve conversion rates, and maintain brand visual consistency.

• Collaborate within a diverse, international team to deliver impactful designs that balance aesthetic appeal with measurable business results in a fast-paced, dynamic environment.

📝 Enhancement Note: This role is specifically for a UI/UX Designer with a primary focus on UI execution, supported by a strong understanding of UX principles. The emphasis on "turning briefs and rough concepts into high-quality designs" and "balancing beautiful visual design with real business impact" suggests a need for a designer who can not only create aesthetically pleasing interfaces but also understand and implement conversion-driven design strategies, particularly within an e-commerce context. The role is classified as a full-time contractor.

📈 Primary Responsibilities

• Design and iteratively improve product pages, ensuring optimal visual appeal, clarity, and ease of navigation to enhance user engagement and conversion rates.

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

• Conduct redesigns of existing website sections, proactively identifying and implementing opportunities to elevate the user experience, boost engagement metrics, and increase conversion performance.

• Transform initial briefs, concepts, and campaign ideas into polished, high-fidelity designs that meet both aesthetic and functional requirements.

• Apply UX knowledge to strategically position critical information, calls-to-action (CTAs), trust elements, benefit statements, and other conversion-driving components within the user interface.

• Architect user journeys for new pages and features, ensuring a seamless, intuitive, and friction-free flow that guides users effectively towards desired outcomes.

• Maintain and enforce visual design consistency across the company's website and various campaign touchpoints to reinforce brand identity.

• Adapt and refine designs rapidly based on constructive feedback, evolving business priorities, and performance data.

• Ensure all designed interfaces are fully responsive and optimized for seamless performance across both desktop and mobile devices.

📝 Enhancement Note: The responsibilities highlight a direct impact on conversion rate optimization (CRO) and user engagement. The emphasis on "turning briefs and rough concepts into high-quality designs" and "balancing beautiful visual design with real business impact" indicates that designers are expected to be proactive in understanding business goals and translating them into effective design solutions. The need to "think through the user journey" and "adapt and improve designs quickly" points to a dynamic workflow requiring flexibility and a data-informed approach.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a Bachelor's degree in Graphic Design, Interaction Design, Human-Computer Interaction, or a related field is often preferred for foundational understanding. Equivalent practical experience will also be considered.

Experience: 2-5 years of proven experience as a UX/UI Designer, with a demonstrable track record of successful digital and web design projects.

Required Skills:

• Strong UI design skills with meticulous attention to detail and a commitment to high visual quality standards.

• Proficiency in Figma for design, prototyping, and collaboration.

• Demonstrated understanding of UX principles and their application in creating user-centered designs.

• Experience in designing responsive websites that perform effectively across desktop and mobile platforms.

• Ability to translate concepts and briefs into polished, user-friendly, and visually appealing designs.

• Understanding of conversion principles and how design influences user behavior and decision-making.

• Experience in adapting and iterating on designs based on feedback and business needs. Preferred Skills:

• Prior experience designing for e-commerce or Direct-to-Consumer (DTC) brands.

• Specific experience within the health, supplement, or food tech industries.

• Familiarity with user journey mapping and conversion optimization techniques.

• Experience with A/B testing design variations to improve performance.

• Basic understanding of HTML/CSS to inform design feasibility.

📝 Enhancement Note: The prompt explicitly states "Proven experience as a UX/UI Designer, with a strong portfolio of digital and web design work" and "Strong proficiency in Figma." The preference for e-commerce/DTC experience, especially in health/supplements, is a significant differentiator for candidates. The emphasis on "conversion-optimized design" and "how design can influence user behavior" suggests that candidates who can articulate their design decisions through a business lens will be highly valued.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 3-5 comprehensive case studies demonstrating end-to-end UI/UX design processes for digital products, websites, or campaigns.

• Highlight projects specifically related to e-commerce, DTC platforms, or digital marketing campaigns that required a focus on conversion optimization and user engagement.

• Clearly articulate your role, the problem statement, your design process (research, ideation, wireframing, prototyping, UI design, testing), and the measurable impact or results achieved.

• Include examples of responsive design solutions for both desktop and mobile interfaces.

• Demonstrate strong UI craft with attention to visual hierarchy, typography, color theory, and layout, showcasing a high standard of visual quality. Process Documentation:

• For each portfolio case study, clearly outline the design methodology employed, emphasizing how user needs and business objectives were balanced.

• Detail how user feedback and business priorities were incorporated to iterate and improve designs.

• Illustrate the application of UX principles to guide UI decisions, particularly in areas like user flow, information architecture, and CTA placement.

• Provide context on how designs were tested or validated, even if informally, to ensure effectiveness.

📝 Enhancement Note: The job description explicitly requires a "strong portfolio of digital and web design work." The emphasis on e-commerce/DTC, conversion optimization, and transforming briefs into polished designs implies that portfolios should clearly demonstrate these capabilities. The "Key Responsibilities" section detailing UI improvement, campaign creatives, user journeys, and conversion elements should be directly reflected in the portfolio's content and case study explanations.

💵 Compensation & Benefits

Salary Range: For a mid-level UI/UX Designer (2-5 years experience) working remotely in a European time zone (GMT) for a US/EU-based company, a competitive salary range is estimated between €45,000 - €65,000 annually, or equivalent in USD/local currency. This range accounts for the contractor status, the required skill set, and the company's presence in multiple international markets.

Benefits:

• Strong Salary Package: Competitive compensation reflecting the candidate's skills and contributions.

• Paid Holidays: Generous paid time off to ensure work-life balance and personal well-being.

• Work from Anywhere: Full remote flexibility, allowing the employee to choose their optimal work environment globally.

• Flexible Working Hours: Autonomy to manage work schedules, accommodating different productivity peaks and personal commitments, with availability during EU (GMT) hours.

• Opportunities for Growth: Access to resources such as free books, courses, and training to foster continuous skill development and career advancement.

• Dynamic Work Environment: Exposure to a fast-paced, international, and innovative company culture with diverse challenges.

• Make a Difference: Opportunity to contribute to a mission focused on improving customer health and well-being.

Working Hours: The role requires availability during EU hours (GMT). A standard full-time workload of approximately 40 hours per week is expected, with flexibility in scheduling.

📝 Enhancement Note: The provided text mentions a "Strong Salary Package" and lists "Paid Holidays," "Work from Anywhere," "Flexible Working Hours," and "Opportunities for Growth" (including free books, courses, and resources). The salary range is an estimate based on industry benchmarks for a remote, full-time contractor UI/UX Designer with 2-5 years of experience, considering the company's international presence and the specified EU working hours. Research for this estimate included reviewing similar remote design roles in Europe and comparing them against US market rates, adjusted for cost of living and contractor status.

🎯 Team & Company Context

🏢 Company Culture

Industry: Food Technology / Health & Wellness Supplements. Happy Mammoth operates in the rapidly expanding natural food tech sector, specializing in gut health foods, digestive aids, and microbiome-focused supplements. This industry demands a focus on science-backed claims, consumer education, and building trust through transparent product offerings and effective communication.

Company Size: Happy Mammoth is a rapidly expanding company with a presence in the United States, Australia, and Europe. While the exact employee count isn't specified, "rapidly expanding" and "global presence" suggest a mid-sized to large organization that is scaling quickly. This implies a dynamic environment with potential for both established processes and agile adaptation.

Founded: The founding date is not provided, but the company's description as "rapidly expanding" indicates a mature yet growth-oriented stage, likely past its startup phase but still agile.

Team Structure:

• The company employs a diverse, international team of innovators, suggesting a distributed workforce.

• The UI/UX Designer will likely be part of a broader Marketing, Product, or Creative team, collaborating closely with content creators, marketers, and potentially product managers.

• The structure is expected to be collaborative, with cross-functional interaction being key to translating business needs into design solutions. Methodology:

• Data-Driven Design: The role emphasizes balancing "beautiful visual design with real business impact" and "conversion-optimised design," suggesting that design decisions are informed by data, user feedback, and performance metrics.

• Agile Adaptation: The need to "adapt and improve designs quickly based on feedback and business priorities" points to an agile approach to design and development.

• User-Centricity: While focused on UI, the "UX knowledge" requirement and emphasis on user journeys indicate a commitment to user-centered design principles.

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

📝 Enhancement Note: The company operates in the health and wellness sector, specifically gut health and supplements, which requires a brand voice that is both informative and trustworthy. The "rapidly expanding" nature suggests an environment that values initiative and adaptability. The global presence implies a need for culturally sensitive design and communication.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a Mid-Level UI/UX Designer, typically requiring 2-5 years of dedicated experience. It involves taking ownership of design tasks from concept to completion, contributing significantly to campaign and website visual strategies, and working with a degree of autonomy. The focus is on executing high-quality UI designs grounded in UX principles, with an emphasis on driving business outcomes like conversion.

Reporting Structure: While not explicitly stated, the UI/UX Designer likely reports to a Design Lead, Creative Director, Head of Marketing, or a Product Manager. Collaboration will be extensive with marketing, content, and potentially e-commerce teams.

Operations Impact: The UI/UX Designer plays a critical role in shaping the customer's perception and interaction with Happy Mammoth's brand and products online. Their work directly influences website usability, campaign effectiveness, user engagement, and ultimately, conversion rates and revenue generation. By optimizing the digital experience, they contribute significantly to customer acquisition and retention.

Growth Opportunities:

• Skill Specialization: Deepen expertise in UI design for e-commerce, conversion optimization techniques, or specific design tools and methodologies.

• Leadership Potential: Progress to a Senior UI/UX Designer role, taking on more complex projects, mentoring junior designers, and contributing more strategically to design system development.

• Cross-Functional Development: Gain exposure to marketing strategy, product development, and business analytics through close collaboration with other departments.

• Continuous Learning: Leverage provided resources (books, courses) to stay abreast of design trends, emerging technologies, and best practices in the digital product and e-commerce space.

📝 Enhancement Note: The role is described as "Focus on UI, with UX experience," indicating a specialization path within design. The emphasis on "turning briefs and rough concepts into high-quality designs" and "balancing beautiful visual design with real business impact" suggests opportunities to grow in strategic design thinking and performance-driven design. The company's growth also offers potential for career advancement within the organization.

🌐 Work Environment

Office Type: This is a fully remote contractor role, meaning there is no central office requirement. The "office" is wherever the contractor chooses to work, offering maximum flexibility.

Office Location(s): While the company has a presence in the US, Australia, and Europe, and the role is remote, candidates must be available during EU hours (GMT). This suggests a preference for candidates located in or willing to align their working hours with European time zones.

Workspace Context:

• Flexibility: The primary characteristic is the freedom to choose one's workspace, whether it be a home office, co-working space, or other preferred location.

• Digital Collaboration: The work environment relies heavily on digital collaboration tools for communication, design sharing, and feedback (e.g., Figma, Slack, video conferencing).

• Global Team Integration: Opportunities to collaborate with a diverse, international team, fostering a cross-cultural and dynamic work atmosphere.

• Technology Access: While not specified, it's assumed that the contractor will need to provide their own reliable hardware and internet connection to perform their duties effectively.

Work Schedule: The role requires availability during EU hours (GMT), with a full-time commitment of approximately 40 hours per week. The "Flexible Working Hours" benefit implies that the exact daily schedule can be managed by the contractor, as long as core collaboration times and responsiveness during EU hours are maintained.

📝 Enhancement Note: The "Work from Anywhere" and "Flexible Working Hours" benefits are central to the work environment. The key constraint is the requirement to be available during EU hours (GMT), which impacts candidates globally. The company's international presence suggests a potentially diverse and dynamic remote team culture.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Review of CV and portfolio to assess qualifications, experience, and alignment with the role's requirements.

• Portfolio Review & Discussion: A dedicated session to walk through selected case studies from the portfolio. Expect to discuss your design process, rationale behind decisions, problem-solving approaches, and how you measure design success.

• Skills Assessment/Challenge: Potentially a design challenge or a practical exercise to evaluate UI craft, UX thinking, and problem-solving skills under timed conditions. This might involve critiquing an existing design or proposing solutions for a given brief.

• Cultural Fit/Team Interview: A conversation to assess alignment with Happy Mammoth's dynamic, international, and growth-oriented culture. Questions may focus on collaboration, adaptability, and communication style.

• Final Interview: Likely with a senior stakeholder to discuss the role in depth, answer final questions, and confirm mutual fit.

Portfolio Review Tips:

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

• Tell a Story: For each project, clearly articulate the problem, your process, your specific contributions, the solutions you designed, and the outcomes or impact achieved. Use visuals effectively to illustrate your points.

• Highlight UI Craft: Emphasize your attention to detail, visual hierarchy, typography, color usage, and overall aesthetic quality.

• Demonstrate UX Thinking: Explain how you considered the user journey, usability, and conversion goals in your design decisions.

• Quantify Impact: Whenever possible, include metrics or data that demonstrate the success of your designs (e.g., increased conversion rates, improved engagement).

• Be Prepared to Discuss: Know your projects inside and out. Be ready to answer questions about your choices, challenges faced, and how you would iterate or improve designs further.

Challenge Preparation:

• Understand the Brief: Carefully read and understand any design challenge prompt. Clarify any ambiguities before starting.

• Prioritize: Focus on the core requirements of the challenge. If time is limited, demonstrate your ability to deliver a solid solution for the most critical aspects.

• Show Your Process: Even in a timed exercise, try to articulate your thought process, even if it's through brief annotations or verbal explanations.

• Focus on UI/UX Principles: Apply your knowledge of UI best practices, responsive design, and conversion-focused elements.

• Figma Proficiency: Ensure you can efficiently use Figma to create mockups or prototypes.

📝 Enhancement Note: The emphasis on a "strong portfolio" and "proven experience" means the portfolio is the most critical component. Candidates should be prepared to articulate their design process, decision-making, and the business impact of their work, aligning with the responsibilities of improving conversion and user experience. The "CVs must be in English" and "attach your portfolio" instructions are crucial.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Essential for UI design, prototyping, and collaborative workflows. Candidates must demonstrate strong proficiency.

• Adobe Creative Suite (Photoshop, Illustrator): Likely used for asset creation, image editing, and graphic design elements.

Analytics & Reporting:

• Google Analytics: Understanding how to interpret website traffic, user behavior, and conversion data to inform design decisions.

• Heatmap/User Recording Tools (e.g., Hotjar, Crazy Egg): May be used to understand user interactions and identify areas for improvement.

CRM & Automation:

• E-commerce Platforms (e.g., Shopify, WooCommerce): Familiarity with the constraints and capabilities of common e-commerce platforms is beneficial for designing within these environments.

• Marketing Automation Tools: Understanding how designs integrate with email marketing or campaign platforms.

📝 Enhancement Note: Figma is explicitly listed as a required proficiency. Given the e-commerce focus, familiarity with common e-commerce platforms and analytics tools that measure conversion and user behavior would be highly advantageous, even if not explicitly required.

👥 Team Culture & Values

Operations Values:

• Creativity & Innovation: Embracing a culture where creativity has "no bounds" and the environment is "dynamic," encouraging novel design solutions.

• Impact-Driven: A focus on delivering "real business impact," where design work is measured by its contribution to conversion rates, engagement, and overall business goals.

• Collaboration & Teamwork: Valuing teamwork ("Teamwork makes the dream work!") and fostering a "vibrant, diverse team of international innovators."

• Continuous Improvement: Encouraging "Opportunities for Growth" and an environment where designs are "adapted and improved quickly," suggesting a commitment to learning and iteration.

• Health & Purpose: A strong mission to "help clients improve their health and live more fulfilling lives," providing a sense of purpose beyond commercial objectives.

Collaboration Style:

• Cross-Functional Integration: Close collaboration with marketing, content, and potentially product teams to translate briefs and business needs into designs.

• Feedback-Oriented: An environment where designs are actively reviewed and improved based on feedback, implying an open and constructive communication style.

• Global & Remote: Working within a diverse, international team necessitates strong asynchronous communication skills and adaptability to different working styles and time zones (within the specified EU hours).

📝 Enhancement Note: The company emphasizes its "vibrant, diverse team of international innovators" and a culture where "creativity knows no bounds." The focus on "real business impact" suggests that while creativity is valued, it must be aligned with measurable outcomes. The mission-driven aspect of improving health offers a unique cultural element.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing UI Polish with UX Functionality: Effectively integrating a strong UI aesthetic with intuitive user flows and conversion-focused UX, especially under tight deadlines.

• Remote Collaboration Dynamics: Maintaining seamless communication and collaboration with an international, remote team, ensuring alignment and efficient workflow without in-person interaction.

• Adapting to Evolving Priorities: Quickly iterating on designs based on changing business needs and feedback in a fast-paced, "dynamic work environment."

• Maintaining Brand Consistency: Ensuring a cohesive visual identity across diverse digital touchpoints (website, campaigns) in a growing company.

Learning & Development Opportunities:

• Specialized Design Skills: Deepen expertise in conversion rate optimization (CRO) design, advanced Figma techniques, or user journey mapping.

• Industry Knowledge: Gain deeper insights into the health tech, supplement, and e-commerce sectors through company projects and provided resources.

• Cross-Functional Exposure: Learn about marketing strategies, e-commerce operations, and business analytics by collaborating with various departments.

• Mentorship & Guidance: Access to resources like free books and courses, and potentially informal mentorship from senior team members, to foster professional growth.

📝 Enhancement Note: The core challenge will be translating a strong UI focus into tangible business results within a remote, international, and fast-paced setting. The "Opportunities for Growth" are explicitly linked to provided resources like books and courses, indicating a company commitment to employee development.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to balance a creative design brief with strict business requirements (e.g., conversion goals). How did you approach it, and what was the outcome?" (Assesses ability to integrate UI craft with business impact.)

• "Walk us through a portfolio project where you significantly improved a user journey or conversion funnel through your design. What was your process, and what metrics did you influence?" (Evaluates UX thinking and impact measurement.)

• "How do you ensure visual consistency across different digital platforms and campaigns, especially in a remote, international team setting?" (Tests understanding of brand guidelines and collaboration.) Company & Culture Questions:

• "What interests you about Happy Mammoth's mission in the health and wellness space?" (Assesses alignment with company purpose.)

• "How do you adapt your design process when working with a global, remote team and needing to be available during specific time zones (EU hours)?" (Evaluates remote work suitability and collaboration.)

• "Describe your experience working in a fast-paced, 'dynamic work environment' where priorities can shift quickly. How do you manage that?" (Gauges adaptability and resilience.) Portfolio Presentation Strategy:

• Structure Your Narrative: For each project, clearly outline: Problem/Objective -> Your Role -> Process/Solution -> Outcome/Impact. Keep it concise and visual.

• Highlight UI Excellence: Showcase your attention to detail, typography, color choices, and overall aesthetic quality. Use high-fidelity mockups and prototypes.

• Explain UX Rationale: Articulate why you made specific design choices, linking them to user needs and conversion goals.

• Quantify Results: If possible, present data or metrics that demonstrate the success of your designs (e.g., conversion lift, engagement increase).

• Be Ready for Critiques: Practice explaining your work and being open to constructive feedback. Demonstrate how you would iterate on designs.

📝 Enhancement Note: Interview preparation should focus on demonstrating the blend of strong UI execution and solid UX understanding, with a clear emphasis on driving business results (conversion, engagement). Candidates should be ready to discuss their portfolio projects in detail, highlighting their process, decision-making, and impact. The requirement for EU hours availability is a key point to address.

📌 Application Steps

To apply for this UI/UX Designer position:

• Submit your application through the provided application link.

• Customize Your CV: Ensure your resume clearly highlights your UI/UX design experience, proficiency in Figma, and any relevant e-commerce or DTC background. Use keywords from the job description.

• Curate Your Portfolio: Select 3-5 of your strongest digital/web design projects that showcase your UI craft, UX thinking, and experience in conversion-focused design. Ensure your portfolio is easily accessible (e.g., via a link).

• Prepare Your Portfolio Walkthrough: Be ready to discuss your selected portfolio projects in detail during an interview, explaining your process, rationale, and the impact of your designs.

• Research Happy Mammoth: Understand the company's mission, products, and current online presence (website, marketing campaigns) to better tailor your responses and demonstrate genuine interest.

⚠️ 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.

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