UX/UI Designer - TENTENS Tech

📍 Job Overview

Job Title: UX/UI Designer

Company: TENTENS Tech (Partnered with SKELAR)

Location: Warsaw, Poland / Kyiv, Ukraine

Job Type: Full-Time

Category: UX/UI Design, Marketing Technology (MarTech)

Date Posted: April 14, 2026

Experience Level: Mid-Level (1.5+ Years)

Remote Status: On-site (Warsaw or Kyiv)

🚀 Role Summary

• Design and optimize user interfaces and user experiences for high-traffic social discovery platforms, focusing on driving user engagement and conversion.

• Develop and implement effective marketing funnels and user flows, leveraging data-driven insights from extensive A/B testing and user behavior analysis.

• Collaborate closely with cross-functional teams, including marketing, analytics, and development, to translate business challenges into impactful design solutions.

• Contribute to a performance-driven marketing environment that utilizes advanced analytics, high-load systems, and sophisticated performance marketing strategies.

• Play a key role in a company that is a major partner of Google, demonstrating a commitment to excellence in digital marketing and user acquisition.

📝 Enhancement Note: This role is situated within TENTENS Tech, a partner IT company of SKELAR, a Ukrainian venture builder. The primary focus is on social discovery platforms with millions of users globally, emphasizing analytics, high-load systems, and performance marketing. The UX/UI Designer will be integral to the Marketing team, working with internal MarTech, Marketing Analytics, and UI/UX design teams to create high-converting funnels. The description leans heavily into a "10/10ths" mentality, signifying a drive for maximum results and continuous improvement.

📈 Primary Responsibilities

• Marketing Funnel Design: Architect and design highly effective marketing funnels that guide users from initial awareness to conversion, optimizing every touchpoint.

• User Flow Optimization: Create intuitive and efficient user flows for landing pages and application interfaces, ensuring a seamless user journey.

• Hypothesis Generation & Validation: Propose, design, and rigorously test hypotheses through a high volume of A/B tests to validate design changes and their impact on key performance indicators (KPIs).

• Competitive Analysis: Conduct thorough analysis of direct and indirect competitors' marketing funnels and user experiences to identify opportunities for differentiation and improvement.

• User Behavior Analysis: Analyze user behavior patterns and data using internal analytics tools to inform design decisions and identify areas for enhancement.

• Cross-Functional Collaboration: Work in close partnership with a strong team of designers, developers, and analysts to ensure cohesive product development and successful implementation of design strategies.

• UI/UX Design Execution: Produce high-fidelity mockups, prototypes, and design specifications that clearly communicate design intent and functionality.

• Brand Consistency: Maintain brand consistency and visual identity across all user-facing touchpoints.

📝 Enhancement Note: The responsibilities highlight a blend of strategic design thinking and tactical execution, with a strong emphasis on data-driven decision-making and direct impact on business metrics. The volume of A/B testing and the focus on conversion are critical aspects for operations professionals to understand.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong portfolio demonstrating equivalent practical knowledge and experience in UX/UI design is essential.

Experience: Minimum of 1.5 years of professional experience in web design, with a proven track record of designing user-centric interfaces for digital products.

Required Skills:

• Figma Proficiency: Expert-level command of Figma for wireframing, prototyping, UI design, and collaboration.

• Web Design Fundamentals: Solid understanding of web design principles, including layout, composition, typography, color theory, and visual hierarchy.

• Business Acumen: A strong business orientation; ability to design for conversion and directly impact business growth metrics, not just aesthetic appeal.

• Analytical Thinking: Capacity to analyze user data, understand user behavior, and translate insights into actionable design improvements.

• A/B Testing Experience: Familiarity with the principles and application of A/B testing for design validation and optimization.

• Communication Skills: Ability to clearly and concisely present research findings, design concepts, and strategic ideas to stakeholders.

• Argumentation Skills: Competence in articulating and defending design decisions with clear reasoning and supporting data.

• Feedback Reception: Openness to receiving and incorporating constructive feedback to refine designs and improve outcomes.

• Growth Mindset: Eagerness to learn, develop new skills, and advance in seniority within the UX/UI design field.

Preferred Skills:

• Experience designing for social discovery platforms or similar high-engagement applications.

• Familiarity with performance marketing strategies and their impact on UI/UX design.

• Experience with user research methodologies beyond A/B testing (e.g., user interviews, usability testing).

• Understanding of high-load system constraints and their implications for design.

• Knowledge of MarTech tools and their integration into user journeys.

📝 Enhancement Note: The emphasis on business orientation, conversion-driven design, and extensive A/B testing differentiates this role from a purely aesthetic design position. Candidates should be prepared to demonstrate how their designs have directly contributed to measurable business outcomes.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Conversion-Focused Case Studies: Showcase at least 2-3 detailed case studies demonstrating how your UX/UI designs have directly improved conversion rates and other key business metrics (e.g., user acquisition, retention, engagement).

• User Flow & Funnel Examples: Include examples of user flows and marketing funnels you have designed, clearly illustrating the user journey and decision points.

• A/B Testing Impact: Highlight specific A/B tests you've conducted, detailing the hypothesis, design variations, results, and learnings. Quantify the impact of successful tests.

• Figma Prototypes & Wireframes: Provide examples of your work in Figma, including interactive prototypes and detailed wireframes that showcase your design process and attention to detail.

• Data Analysis Integration: Demonstrate how you've used data analytics tools and user behavior insights to inform your design decisions and iterations.

Process Documentation:

• Design Process Workflow: Clearly outline your typical design process from problem definition and research through ideation, prototyping, testing, and iteration.

• Collaboration Workflows: Illustrate how you collaborate with developers, marketers, and analysts, including your approach to handoffs and feedback loops.

• Metrics & Measurement: Document how you track and measure the success of your designs post-launch, focusing on KPIs relevant to marketing funnels and user engagement.

📝 Enhancement Note: The portfolio is paramount for this role, with a strong emphasis on demonstrating tangible business impact and a data-driven approach. Candidates should be ready to walk through their portfolio, explaining the strategic thinking behind each project and quantifying the results achieved.

💵 Compensation & Benefits

Salary Range:

Based on industry benchmarks for a UX/UI Designer with 1.5+ years of experience in Warsaw/Kyiv, the estimated annual gross salary range is approximately €20,000 - €35,000 (PLN 85,000 - 150,000 / UAH 800,000 - 1,400,000). This estimate considers the company's focus on performance marketing, the technical demands of high-load platforms, and the benefits offered.

Benefits:

• Office Perks: Complimentary daily lunches, snacks, and coffee.

• Technology: Provision of modern Apple equipment for comfortable and efficient work.

• Learning & Development:

  • Access to a comprehensive internal library of business literature.
  • Opportunities for internal training sessions, seminars, and workshops.
  • Compensation for external conferences, meetups, and courses to support professional growth.

• Health & Wellness:

  • LuxMed medical insurance policy for comprehensive healthcare coverage.

Working Hours:

• Multisport card for access to various sports and wellness facilities. Standard full-time working hours, typically around 40 hours per week. While the role is on-site, the company culture emphasizes results and efficiency, suggesting a dynamic work environment.

📝 Enhancement Note: The salary range is an estimate based on common market rates for the specified experience level and locations, adjusted for the company's industry and benefits. Actual compensation will depend on the candidate's specific experience, skills, and performance during the interview process. The benefits package is robust, indicating a commitment to employee well-being and professional development.

🎯 Team & Company Context

🏢 Company Culture

Industry: Venture Building, Technology, Digital Marketing, Social Discovery Platforms.

Company Size: TENTENS Tech has 250+ employees. SKELAR, as a venture builder, oversees multiple businesses, suggesting a larger ecosystem.

Founded: SKELAR was founded with the mission to build international tech businesses. TENTENS Tech is a partner company within this ecosystem, focused on social discovery platforms.

Team Structure:

• Marketing Team: One of the company's most powerful departments, comprising 80+ specialists across various performance marketing channels.

• Internal Support Teams: Dedicated in-house MarTech, Marketing Analytics, and UI/UX Design teams provide specialized support.

• Reporting: The UX/UI Designer will likely report to a Design Lead or Head of Design within the Marketing department, with close collaboration across marketing, analytics, and development functions.

• Cross-functional Collaboration: A core aspect of the culture, emphasizing seamless interaction between design, development, and data analysis to achieve business objectives.

Methodology:

• Data-Driven Decision Making: All design decisions are informed by extensive data analysis, A/B testing results, and user behavior insights.

• Agile & Iterative: The company operates at a fast pace, with a focus on rapid experimentation, iteration, and continuous improvement.

• "10/10ths" Mentality: A philosophy of striving for maximum performance and outcomes, pushing beyond "good enough" to achieve exceptional results.

• CEO Mindset: Employees are encouraged to act with ownership and impact, as if they are the CEO of their respective roles.

Company Website: https://www.skelar.tech

📝 Enhancement Note: The company culture is characterized by high performance, data-driven strategies, and a strong entrepreneurial spirit. The "10/10ths" philosophy and the "CEO mindset" indicate a demanding yet rewarding environment for ambitious professionals.

📈 Career & Growth Analysis

Operations Career Level: Mid-Level UX/UI Designer. This role is positioned to contribute significantly to core business functions through design, moving beyond basic task execution to strategic problem-solving.

Reporting Structure: The UX/UI Designer will report into the Marketing department, likely under a Design Lead or Manager. They will work closely with Marketing Analysts, Performance Marketers, and Software Developers, fostering a collaborative and integrated team dynamic.

Operations Impact: The role has a direct and measurable impact on critical business operations, specifically revenue generation and user acquisition. By optimizing marketing funnels and user flows, the designer directly influences conversion rates, customer lifetime value, and overall business performance.

Growth Opportunities:

• Seniority Advancement: A clear path for growth into Senior UX/UI Designer roles, with increased responsibility for complex projects and strategic input.

• Specialization: Opportunities to specialize further in areas such as conversion rate optimization (CRO), user research, product design, or MarTech integration.

• Leadership Potential: Potential to move into Lead Designer or Management positions, overseeing design teams and driving design strategy for new ventures.

• Skill Development: Continuous learning through internal resources, external training compensation, and exposure to high-volume A/B testing and complex analytics.

• Venture Building Exposure: As part of SKELAR's ecosystem, there's potential exposure to the broader venture-building process and strategy for new tech businesses.

📝 Enhancement Note: The growth trajectory is tied to demonstrable impact on business metrics and the willingness to embrace a high-performance, data-driven culture. The role offers a solid foundation for a career focused on performance-oriented design within the tech and marketing landscape.

🌐 Work Environment

Office Type: Modern office spaces located in Warsaw, Poland, and Kyiv, Ukraine, designed to foster collaboration and productivity.

Office Location(s): Specific address details would typically be provided upon inquiry or during the interview process. The offering of on-site work suggests these locations are well-equipped and accessible.

Workspace Context:

• Collaborative Atmosphere: The office environment is designed to encourage teamwork and knowledge sharing among designers, developers, analysts, and marketing specialists.

• Technology-Rich: Employees are provided with high-quality Apple equipment, ensuring they have the necessary tools for efficient and effective design work.

• On-site Amenities: The provision of office meals, snacks, and coffee contributes to a comfortable and productive on-site experience, minimizing external distractions.

• Team Interaction: Regular opportunities for direct interaction with colleagues across different departments, facilitating rapid feedback loops and problem-solving.

Work Schedule:

The role is full-time, with a standard expectation of approximately 40 hours per week. While on-site, the emphasis on results and efficiency suggests a dynamic workflow that may require flexibility, though work-life balance is supported through comprehensive benefits.

📝 Enhancement Note: The on-site requirement for this role in Warsaw or Kyiv underscores the company's value for in-person collaboration and team synergy. The provided amenities aim to create an environment where employees can focus on their work effectively.

📄 Application & Portfolio Review Process

Interview Process:

1. Initial Screening: A review of your resume and portfolio to assess qualifications, experience, and alignment with the role's requirements.

2. Technical Interview (Portfolio Presentation): A primary interview focused on a deep dive into your portfolio. You will be expected to present 2-3 key projects, detailing your design process, problem-solving approach, A/B testing experience, and the quantifiable business impact of your work. Be prepared to discuss user flows, marketing funnels, and data-driven decisions.

3. Technical/Team Interview: Further discussion on design skills, problem-solving abilities, and understanding of marketing principles. This may involve a practical design task or a more in-depth discussion of design challenges.

4. Cultural Fit Interview: An assessment of your alignment with the company's values, particularly the "10/10ths" mentality, business orientation, and collaborative spirit. You will likely meet with hiring managers or team leads.

5. Final Interview/Offer: Potentially a final discussion with senior leadership, followed by an offer.

Portfolio Review Tips:

• Quantify Everything: For each project, clearly state the problem, your solution, and the measurable results (e.g., "Increased conversion rate by X%", "Reduced bounce rate by Y%", "Improved user engagement by Z%").

• Show, Don't Just Tell: Use visuals effectively. Walk through your Figma prototypes, wireframes, and user flows. Explain the rationale behind your design choices.

• Highlight A/B Testing: Dedicate a section or specific examples to your A/B testing experience. Detail the hypothesis, variations, methodology, and outcomes.

• Focus on Business Impact: Frame your work in terms of how it solved business challenges and contributed to revenue growth or user acquisition.

• Structure Your Presentation: Organize your portfolio logically, perhaps chronologically or by project type. Have a clear narrative for each case study.

• Be Ready for Questions: Anticipate questions about your design process, how you handle feedback, your understanding of analytics, and your approach to challenging design problems.

Challenge Preparation:

• Design Exercise: Be prepared for a practical design challenge, likely focused on optimizing a marketing funnel or designing a user flow for a specific scenario relevant to social discovery platforms.

• Time Management: If given a timed exercise, practice working efficiently under pressure.

• Articulate Your Process: Even if the solution isn't perfect, clearly articulate your thought process, assumptions, and how you would approach iterative improvement based on data.

• Stakeholder Communication: Practice explaining your design decisions and rationale as if you were presenting to business stakeholders or a cross-functional team.

📝 Enhancement Note: The interview process heavily emphasizes a practical demonstration of design skills and their direct impact on business outcomes. A strong, data-backed portfolio is the most critical element for success.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: The core tool for UI/UX design, wireframing, prototyping, and collaboration. High-level proficiency is a must.

• Prototyping Tools: Potentially other prototyping tools integrated with Figma or used for specific advanced interactions.

• Design Systems: Experience working with or contributing to design systems for consistency and scalability.

Analytics & Reporting:

• Internal Analytics Platforms: Proficiency in interpreting data from proprietary or common analytics tools (e.g., Google Analytics, Mixpanel, Amplitude, or custom solutions) to understand user behavior and performance metrics.

• A/B Testing Platforms: Familiarity with tools used for setting up and analyzing A/B tests (e.g., Optimizely, VWO, Google Optimize, or custom solutions).

• Data Visualization Tools: Ability to interpret charts and dashboards to extract insights.

CRM & Automation:

• While not a primary CRM role, understanding how marketing funnels integrate with CRM and marketing automation platforms is beneficial for context.

📝 Enhancement Note: The technology stack is centered around Figma for design, with a strong reliance on internal analytics and A/B testing platforms to drive design decisions. Candidates should be comfortable working with data and translating insights into design actions.

👥 Team Culture & Values

Operations Values:

• Excellence ("10/10ths"): A relentless pursuit of maximum performance and outstanding results in all aspects of work.

• Business Impact: A primary focus on how design contributes directly to business growth, conversion, and revenue.

• Data-Driven: Decisions are grounded in data, analytics, and empirical evidence through rigorous testing.

• Ownership: Employees are empowered to take responsibility for their work and drive outcomes as if they were CEOs of their roles.

• Collaboration: Strong emphasis on cross-functional teamwork, open communication, and mutual support.

• Continuous Improvement: A culture of learning, adaptation, and iterative refinement to achieve ever-higher standards.

Collaboration Style:

• Integrated Teams: Designers work closely with marketers, analysts, and developers, fostering a cohesive unit where diverse perspectives contribute to shared goals.

• Feedback-Oriented: Openness to constructive feedback is crucial, with regular touchpoints for design reviews and iterative refinement.

• Transparent Communication: Encouragement of clear, direct, and open communication to ensure alignment and efficient problem-solving.

• Agile Approach: Embracing agile methodologies for rapid iteration and responsiveness to market dynamics and user feedback.

📝 Enhancement Note: The company culture is highly performance-oriented and deeply integrated with business objectives. Professionals who thrive in fast-paced, data-driven environments with a strong emphasis on results and collaboration will find this culture appealing.

⚡ Challenges & Growth Opportunities

Challenges:

• High-Volume A/B Testing: Managing and interpreting results from a large number of concurrent A/B tests to continuously optimize user journeys.

• Scalability: Designing for platforms that serve millions of users globally, requiring scalable and efficient design solutions.

• Balancing Aesthetics and Performance: The constant challenge of creating visually appealing designs that also achieve aggressive conversion rate targets.

• Rapid Iteration: Adapting to a fast-paced environment that demands quick design cycles and frequent updates based on performance data.

• Cross-Functional Alignment: Ensuring seamless integration and communication across diverse teams (marketing, analytics, development) with potentially different priorities.

Learning & Development Opportunities:

• Advanced CRO Expertise: Deepen skills in Conversion Rate Optimization through hands-on experience with extensive A/B testing and data analysis.

• Performance Marketing Design: Gain specialized knowledge in designing for performance marketing channels and user acquisition strategies.

• High-Load System Design: Understand the technical constraints and design considerations for high-load applications.

• MarTech Integration: Learn how design interfaces with marketing technology stacks to drive automated user journeys.

• Venture Building Exposure: Gain insights into the strategic processes of building and scaling international tech businesses within the SKELAR ecosystem.

• Professional Development: Access to training, conferences, and a business library to foster continuous learning and skill enhancement.

📝 Enhancement Note: The challenges presented are directly tied to the company's core business model and ambitions, offering significant opportunities for professional growth in specialized areas of UX/UI design and performance marketing.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you designed a marketing funnel. What were the key decision points, and how did you measure its success?" (Focus on user journey mapping, conversion points, and metrics.)

• "Walk us through a significant A/B test you designed. What was the hypothesis, what variations did you create, and what was the outcome? How did it impact the business?" (Be specific with numbers and learnings.)

• "How do you balance creating a visually appealing design with achieving aggressive conversion rate targets?" (Emphasize data-driven decisions and iterative optimization.)

• "Describe a situation where user data contradicted your initial design assumptions. How did you adapt?" (Showcase flexibility and data-informed iteration.)

Company & Culture Questions:

• "What does the '10/10ths' mentality mean to you, and how would you apply it in this role?" (Relate it to striving for excellence and maximum impact.)

• "How do you see your role contributing to the business goals of a social discovery platform?" (Connect design work directly to user acquisition, engagement, and revenue.)

• "What are your thoughts on our company's approach to performance marketing and data-driven design?" (Show research and alignment.)

Portfolio Presentation Strategy:

• Select High-Impact Projects: Choose 2-3 projects that best demonstrate your ability to drive business results through design, particularly focusing on conversion and A/B testing.

• Tell a Story: For each project, clearly articulate the problem, your approach, the solutions you designed, the process (including research and testing), and the quantifiable outcomes.

• Use Visuals Effectively: Leverage screenshots, mockups, prototypes, and data charts to illustrate your points.

• Be Data-Centric: Quantify the impact of your designs wherever possible. If exact numbers are not available, explain the metrics you would track and why.

• Prepare for Q&A: Anticipate detailed questions about your design choices, the data you used, and how you would handle specific challenges.

📝 Enhancement Note: Preparation should focus on demonstrating a strong understanding of how design directly impacts business metrics, particularly conversion rates, and showcasing a pragmatic, data-driven approach supported by a robust portfolio.

📌 Application Steps

To apply for this UX/UI Designer position:

• Submit your application through the provided link on Ashby.

• Portfolio Customization: Tailor your portfolio to highlight projects demonstrating conversion rate optimization, marketing funnel design, and A/B testing success. Quantify results clearly.

• Resume Optimization: Ensure your resume explicitly lists your experience with Figma, web design, A/B testing, and any relevant analytics tools. Use keywords from the job description.

• Interview Preparation: Practice articulating your design process, business impact, and collaborative approach. Prepare to walk through your portfolio confidently and answer strategy-based questions.

• Company Research: Familiarize yourself with SKELAR and TENTENS Tech's products, their focus on social discovery, and their "10/10ths" philosophy. Understand their position as a Google partner.

⚠️ 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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