Senior UI/UX - Product Designer (Mobile Apps)

📍 Job Overview

Job Title: Senior UI/UX - Product Designer (Mobile Apps)

Company: Qualco Group

Location: Athens, Attica, Greece

Job Type: Full-time

Category: Product Design / UI/UX

Date Posted: 2026-09-09

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

Remote Status: Hybrid

🚀 Role Summary

• Own the end-to-end design process for native mobile applications, encompassing discovery, research, high-fidelity design, and developer handoff.

• Design intuitive, user-centered mobile experiences for both iOS and Android platforms, focusing on customer journeys across onboarding, authentication, identity verification, wallets, payments, and account management.

• Develop and maintain a reusable mobile design system to ensure visual and interaction consistency across all platforms.

• Collaborate closely with product managers, engineers, business stakeholders, and QA teams to translate complex requirements into effective and scalable design solutions.

• Utilize user feedback, product analytics, and research insights to drive continuous improvement and identify opportunities for enhancing the user experience.

📝 Enhancement Note: This role is positioned as a Senior Product Designer within a technology-focused group (Quento Technologies S.A., ICT arm of Qualco Group), with a specific emphasis on mobile application design. The responsibilities highlight end-to-end ownership, design system development, and cross-functional collaboration, indicative of a mid-to-senior level position requiring significant autonomy and strategic input. The mention of fintech/regulated products suggests a need for design solutions that prioritize security and compliance.

📈 Primary Responsibilities

• Lead the entire design lifecycle from initial concept and user research through to detailed wireframes, interactive prototypes, and final production-ready user interfaces using Figma.

• Craft seamless and secure customer journeys for critical functions such as user onboarding, authentication, and identity verification, ensuring a smooth and trustworthy experience.

• Establish and evolve a comprehensive, reusable mobile design system, defining components, styles, and interaction patterns for consistent application across native iOS and Android.

• Conduct user research and usability testing sessions to gather qualitative and quantitative data, validating design concepts and identifying areas for user experience enhancement.

• Define and document interaction patterns, accessibility requirements (WCAG compliance), and visual design guidelines to ensure inclusive and high-quality design outputs.

• Actively support engineering teams during the implementation phase, providing clear specifications and conducting design quality reviews to ensure fidelity to approved designs.

• Analyze product analytics and user feedback to identify pain points and opportunities for iterative design improvements and feature enhancements.

• Participate actively in product discovery workshops, design critiques, and cross-functional planning meetings to contribute design expertise and align on product strategy.

• Ensure all design activities and outputs adhere to regulatory requirements and support the Group's Anti-Bribery and Corruption Policy, particularly relevant for fintech/regulated products.

• Translate business requirements and user needs into elegant, functional, and technically feasible design solutions that align with product objectives.

📝 Enhancement Note: The primary responsibilities are structured to reflect a senior-level individual contributor role that requires both strategic thinking and hands-on execution. Emphasis is placed on ownership, system thinking (design system), and a data-informed approach to design, which are critical for senior product designers. The inclusion of regulatory compliance and security aspects points to the specific domain of fintech or financial services.

🎓 Skills & Qualifications

Education: University degree in Design, Human-Computer Interaction, Computer Science, or a closely related field.

Experience: Minimum of 5 years of professional experience in UX/UI Design or Product Design, with a proven track record of designing and launching successful mobile applications.

Required Skills:

• Advanced proficiency in Figma, including mastery of components, variables, auto layout, and the creation/management of design libraries.

• Demonstrated ability to design intuitive, user-centered mobile experiences for native iOS and Android applications.

• Strong understanding of core design principles: user-centered design, interaction design, information architecture, and visual design.

• Proven experience in creating detailed user flows, wireframes, interactive prototypes, and high-fidelity user interfaces.

• Experience collaborating closely and effectively with software engineering teams throughout the entire product development lifecycle, from concept to implementation.

• Practical knowledge of accessibility principles (e.g., WCAG) and mobile usability best practices to ensure inclusive design.

• Excellent communication skills, with the ability to articulate and defend design decisions clearly and persuasively to diverse stakeholders.

• Experience working within an Agile product development environment, adapting to iterative processes and contributing to sprint planning.

• Strong sense of ownership, accountability, and collaborative spirit. Preferred Skills:

• Prior experience designing for fintech, banking, payments, digital wallets, or other regulated digital product environments.

• Specific experience designing KYC (Know Your Customer), onboarding, or identity verification journeys.

• Familiarity with Apple's Human Interface Guidelines and Google's Material Design principles.

• Experience conducting user interviews, planning and executing usability tests, and performing structured design validation activities.

• Proven ability to leverage product analytics and user-behavior insights to inform and drive product design decisions.

• Experience designing responsive web interfaces in addition to native mobile applications.

• Familiarity with motion design principles, micro-interactions, and advanced prototyping tools.

• Experience working with Azure DevOps or similar product delivery and project management platforms.

📝 Enhancement Note: The qualifications clearly delineate required versus preferred skills, setting a high bar for candidates. The emphasis on Figma proficiency, native mobile design experience, and understanding of regulated products are key differentiators. The "Nice to Have" section provides excellent indicators of the specific domain (Fintech/Regulated Products) and the desired advanced design skills.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A strong, well-curated portfolio is mandatory, showcasing end-to-end design processes for at least 2-3 production-ready mobile applications (iOS and Android).

• Demonstrate a clear understanding of the design challenges, your specific contributions, the design decisions made, and the rationale behind them.

• Include examples of user research, wireframes, user flows, interactive prototypes, and final UI designs, highlighting your role in each stage.

• Showcase experience with building or contributing to a design system, including component libraries, style guides, and ensuring platform consistency.

• Provide evidence of collaboration with engineering teams, including examples of developer handoff documentation or design specifications. Process Documentation:

• Candidates should be prepared to discuss their personal design process, including how they approach problem definition, user research, ideation, prototyping, testing, and iteration.

• Be ready to articulate how you gather and utilize user feedback, product analytics, and business requirements to inform your design decisions and drive product improvements.

• Demonstrate an understanding of how to integrate accessibility standards and best practices into your design workflow.

• Explain your approach to maintaining design consistency and scalability through the development and application of design systems.

📝 Enhancement Note: For a senior UI/UX role, a robust portfolio is paramount. The requirements emphasize demonstrating the process and impact of the design work, not just the final visuals. This includes showing collaboration, user research, and the application of design systems, all critical for a senior-level contributor.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for Senior UI/UX Designers in Athens, Greece, with 5-10 years of experience in technology and specialized mobile/fintech design, the estimated annual gross salary range is €45,000 - €65,000. This estimate considers the company's size, industry, and the comprehensive benefits package offered.

Benefits:

• Competitive compensation package.

• Ticket restaurant card for daily expenses.

• Annual bonus programs linked to company and individual performance.

• Provision of cutting-edge IT equipment.

• Mobile phone and data plan.

• Access to modern office facilities.

• Complimentary coffee and beverages.

• Indoor parking availability.

• Company bus service for commuting.

• Private health insurance coverage.

• Onsite occupational doctor services.

• Access to a workplace counselor.

• Flexible working model with hybrid benefits.

• Home equipment benefits to support remote work.

• Onsite gym and wellness facilities.

• Recreational amenities such as a ping pong room.

• Comprehensive career and talent development tools.

• Mentoring and coaching programs.

• Personalized annual learning and development plans.

• Employee referral bonus incentives.

• Regular company-sponsored wellbeing, ESG (Environmental, Social, and Governance), and volunteering activities.

Working Hours: The role is advertised as full-time, with an estimated standard working week of 40 hours. The company offers a flexible working model and hybrid benefits, suggesting a degree of autonomy in managing work hours and location within the defined hybrid structure.

📝 Enhancement Note: Salary estimation is based on publicly available data for similar roles in Athens, Greece, considering experience level, industry (Tech/Fintech), and the comprehensive benefits package provided. The benefits list is extensive, indicating a strong focus on employee well-being, professional development, and work-life balance, which are attractive to senior professionals.

🎯 Team & Company Context

🏢 Company Culture

Industry: The company operates within the Technology sector, specifically focusing on ICT solutions, AI, Digital Engineering, Cloud, and Cybersecurity through its subsidiary Quento Technologies S.A. The parent company, Qualco Group, is a significant player in the financial services technology space. This dual focus suggests a culture that values innovation and technical expertise alongside a strong understanding of regulated financial environments.

Company Size: Qualco Group is a substantial organization, likely employing over 1,000 individuals globally, as indicated by typical classifications for companies with international operations across multiple countries and significant ICT capabilities. This size implies structured processes, opportunities for cross-functional collaboration, and potential for career advancement within a larger corporate framework.

Founded: Qualco Group was founded in 2000. This long-standing history indicates stability, established market presence, and a depth of experience within the financial technology sector. Quento Technologies S.A., as the ICT arm, likely represents the group's commitment to modernizing and expanding its technological offerings.

Team Structure: The Senior UI/UX Designer will likely be part of the product development team within Quento Technologies S.A. This team is expected to be cross-functional, including Product Managers, Engineers (iOS, Android, Backend), QA Testers, and potentially other designers or UX researchers. Reporting lines would typically be to a Design Lead, Head of Product, or CTO, depending on the specific organizational structure. Collaboration is key, involving close partnerships with product owners and engineering leads to ensure successful product delivery.

Methodology: The company operates in an Agile product-delivery environment, suggesting iterative development cycles, frequent collaboration, and a focus on delivering value incrementally. Design processes are likely integrated into Agile sprints, involving close collaboration with development teams for sprint planning, backlog refinement, and user story development. Data analysis and user insights are emphasized for informing design decisions and prioritizing product roadmaps.

Company Website: https://www.qualco.group/ and https://www.quento.tech/

📝 Enhancement Note: The company context highlights a blend of a mature financial technology group (Qualco) with a forward-looking ICT innovation arm (Quento). This suggests a professional environment that values both established best practices (especially in regulated areas) and cutting-edge technological development. The company size and founding date point to stability and a well-established market position.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as "Senior," indicating a level of expertise and autonomy beyond entry-level or mid-level positions. Senior Product Designers are expected to lead design initiatives, mentor junior team members, and contribute strategically to product direction. They are responsible for complex design challenges and often influence design standards and processes within the organization.

Reporting Structure: The Senior UI/UX Designer will likely report to a Design Manager, Head of Product, or a similar leadership role within Quento Technologies S.A. They will work collaboratively within a product team that includes Product Managers and Software Engineers. This structure facilitates direct collaboration and alignment with product strategy and technical execution.

Operations Impact: As a Senior UI/UX Designer, the impact extends beyond creating aesthetically pleasing interfaces. This role directly influences user adoption, engagement, retention, and ultimately, the success of the mobile applications. By designing intuitive and efficient user journeys for critical financial functions (onboarding, payments, identity verification), the designer plays a crucial role in driving user satisfaction, reducing friction, and ensuring compliance, which directly impacts revenue, customer trust, and operational efficiency for Qualco Group's clients.

Growth Opportunities:

• Leadership Development: Opportunity to mentor junior designers, lead design sprints, and potentially step into a Lead Designer or Design Manager role as the team grows.

• Specialization: Deepen expertise in specific areas like fintech design, security-focused UX, or advanced design system architecture.

• Cross-Functional Mobility: Gain in-depth knowledge of product management and engineering processes, potentially leading to roles with broader product ownership or technical strategy.

• Continuous Learning: Access to company-provided training, workshops, conferences, and personalized development plans to stay abreast of the latest design trends, tools, and technologies.

• Strategic Influence: Contribute to the strategic direction of product development by advocating for user-centric design principles and innovative solutions.

📝 Enhancement Note: The career analysis focuses on the senior-level expectations and growth paths typical for product design roles within established tech companies, particularly those with a focus on complex domains like fintech. The emphasis is on leadership, specialization, and strategic contribution.

🌐 Work Environment

Office Type: The company offers a Hybrid working model, indicating a blend of remote work and in-office presence. The office environment is described as "Modern facilities," suggesting a contemporary workspace designed for collaboration, productivity, and employee comfort.

Office Location(s): The primary office location is Athens, Attica, Greece. The company also mentions presence in Luxembourg and Belgium, though this specific role is based in Athens. The Athens office is equipped with amenities like free coffee, beverages, indoor parking, and a company bus, enhancing the employee experience for those who commute.

Workspace Context:

• The office environment likely fosters collaboration, with spaces designed for team meetings, brainstorming sessions, and design critiques. The hybrid model allows for flexibility, enabling designers to choose their work setting based on the task at hand – focused individual work at home or collaborative sessions in the office.

• Access to cutting-edge IT equipment and potentially specific design software licenses (Figma is mentioned as advanced proficiency) will be provided.

• The team structure encourages interaction with product managers, engineers, and QA, facilitating a dynamic and communicative work environment where design challenges are tackled collectively.

Work Schedule: A standard 40-hour work week is implied, but the "Flexible working model" and "hybrid benefits" suggest that employees have some degree of autonomy in structuring their workdays, provided project deadlines and team collaboration needs are met. This flexibility is beneficial for deep work sessions and maintaining work-life balance.

📝 Enhancement Note: The description of the work environment emphasizes the hybrid model and modern office amenities, which are key selling points for attracting talent in today's job market. The physical office setup is geared towards fostering both focused work and collaborative interactions.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your resume and portfolio to assess qualifications and experience against the role requirements.

• Hiring Manager/Recruiter Call: A preliminary conversation to discuss your background, interest in the role, and initial fit with the company culture.

• Design Challenge/Portfolio Review: This is a critical stage. You will likely be asked to present your portfolio, walking through 1-2 key projects. Be prepared to discuss your design process, decision-making, challenges faced, and outcomes achieved. A specific design exercise or case study might also be assigned.

• Team Interviews: Interviews with potential peers (e.g., Product Managers, Engineers) and leadership to assess your collaboration skills, technical understanding, and cultural fit.

• Final Interview: Potentially with a senior leader or executive to discuss strategic alignment and final fit.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 projects that best demonstrate your end-to-end mobile app design experience, especially those relevant to fintech or regulated products if applicable.

• Tell a Story: For each project, clearly articulate the problem, your role, the process you followed, the design decisions you made and why, the challenges you overcame, and the measurable results or impact.

• Highlight Figma Proficiency: Be ready to showcase your advanced Figma skills, including component usage, auto layout, and design system elements.

• Focus on Process, Not Just Pixels: Emphasize your user-centered approach, research methods, iterative design, and collaboration with stakeholders.

• Prepare for Questions: Anticipate questions about your design philosophy, how you handle feedback, your experience with Agile, and your understanding of accessibility.

Challenge Preparation:

• If a design challenge is assigned, ensure you understand the scope and constraints. Focus on a user-centered approach, clearly define the problem, and present a well-reasoned solution, even if it's a partial one.

• Practice articulating your thought process clearly and concisely.

• Be prepared to discuss trade-offs and justify your design choices.

• If it's a presentation, ensure your slides are clean, professional, and support your narrative.

📝 Enhancement Note: This section provides actionable advice tailored to a senior design role, focusing heavily on the portfolio presentation and the types of questions and challenges candidates can expect. The emphasis on storytelling, process, and measurable results is crucial for senior-level evaluations.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: The core design tool. Advanced proficiency is required, including mastery of components, variables, auto layout, and design libraries for building and maintaining the mobile design system.

• Prototyping Tools: Likely integrated within Figma or other specialized tools (e.g., ProtoPie, InVision) for creating interactive prototypes to test user flows and interactions.

Analytics & Reporting:

• Product Analytics Platforms: Tools such as Amplitude, Mixpanel, or Google Analytics for Mobile to track user behavior, analyze engagement metrics, and identify opportunities for optimization.

• Data Visualization Tools: Potentially used for reporting insights to stakeholders, though specific tools are not mentioned.

CRM & Automation:

• Azure DevOps: Mentioned as a preferred tool for product delivery, this platform can be used for project management, issue tracking, and workflow automation within the development process.

• Jira/Confluence: Commonly used in Agile environments for task management, bug tracking, and documentation, likely integrated with Azure DevOps or used independently.

📝 Enhancement Note: The technology stack is heavily focused on design tools, particularly Figma, reflecting the core requirements of the role. The inclusion of product analytics and project management tools like Azure DevOps highlights the data-driven and Agile nature of the development process.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A deep commitment to understanding and serving user needs, ensuring that design decisions prioritize intuitive and valuable user experiences.

• Innovation & Digital Transformation: A drive to leverage technology (AI, Cloud, Digital Engineering) to create cutting-edge solutions and help clients achieve digital transformation.

• Collaboration & Teamwork: Emphasis on working effectively across disciplines (product, engineering, business) to achieve shared goals and deliver high-quality products.

• Quality & Excellence: A pursuit of high standards in design, development, and client delivery, ensuring robustness, reliability, and effectiveness in all outputs.

• Integrity & Compliance: Particularly important given the company's fintech focus, a strong adherence to ethical practices, regulatory requirements, and policies like the Group Anti-Bribery and Corruption Policy.

Collaboration Style:

• Cross-Functional Integration: Designers are expected to work seamlessly with Product Managers to define requirements and roadmaps, and with Engineers to ensure designs are technically feasible and accurately implemented.

• Open Feedback Culture: Design critiques and feedback sessions are likely integral to the process, encouraging constructive criticism and continuous improvement among team members.

• Agile Methodology: Collaboration occurs within iterative development cycles, with regular stand-ups, sprint planning, and retrospectives to ensure alignment and progress.

• Knowledge Sharing: Encouragement of sharing best practices, learnings from user research, and new design techniques across the team and organization.

📝 Enhancement Note: The team culture and values are inferred from the company description, industry context (fintech), and the nature of the role. The emphasis on user-centricity, innovation, and collaboration is standard for tech companies, while integrity and compliance are highlighted due to the regulated nature of the financial sector.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Innovation with Regulation: Designing user-friendly experiences for regulated financial products (KYC, payments) requires navigating stringent compliance requirements without compromising usability or user delight.

• Cross-Platform Consistency: Maintaining a cohesive design language and user experience across both iOS and Android, which have distinct platform conventions.

• Rapid Technological Evolution: Staying current with the latest mobile design trends, tools, and platform updates (iOS/Android) while delivering on product roadmaps.

• Stakeholder Management: Effectively communicating design rationale and managing feedback from diverse stakeholders with potentially conflicting priorities.

Learning & Development Opportunities:

• Advanced Design System Mastery: Opportunity to deepen expertise in building scalable, maintainable, and innovative design systems for mobile platforms.

• Fintech/Regulated Product Specialization: Gaining in-depth experience and insights into the unique UX/UI challenges and best practices within the fintech and regulated digital products space.

• Mentorship: Access to senior leadership for guidance on career progression, strategic thinking, and leadership skills.

• Industry Exposure: Participation in relevant design conferences, workshops, or online courses to enhance skills and network within the design community.

• Cross-Disciplinary Learning: Opportunities to learn from product managers and engineers, gaining a holistic understanding of the product development lifecycle.

📝 Enhancement Note: The challenges identified are specific to the role's context—seniority, mobile design, and the fintech industry. The growth opportunities are framed around skill enhancement, leadership potential, and specialization within this domain.

💡 Interview Preparation

Strategy Questions:

• "Describe your process for designing a new feature for a mobile banking application, from initial concept to developer handoff." (Focus on user research, ideation, prototyping, testing, and collaboration.)

• "How do you ensure a design system remains scalable and consistent across different platforms and feature sets?" (Discuss component strategy, documentation, governance, and collaboration with developers.)

• "Walk us through a time you had to balance user needs with business requirements or technical constraints. How did you arrive at a solution?" (Highlight your problem-solving approach, negotiation skills, and decision-making rationale.)

• "How do you approach designing for security and compliance, particularly in sensitive areas like identity verification or payments?" (Emphasize user trust, clarity, and adherence to regulations.) Company & Culture Questions:

• "What interests you about Qualco Group and Quento Technologies, specifically our work in the fintech/ICT space?" (Research the company's mission, recent projects, and industry impact.)

• "How do you see your design philosophy aligning with our value of user-centricity and innovation?" (Connect your personal approach to their stated values.)

• "Describe your experience working in an Agile environment. How do you collaborate with product and engineering teams?" (Provide concrete examples of your involvement in sprints, stand-ups, and retrospectives.) Portfolio Presentation Strategy:

• Structure Your Narrative: For each project, clearly define the problem statement, your specific role and responsibilities, the design process undertaken, key design decisions and their rationale, challenges faced, and the measurable outcomes or impact.

• Showcase Figma Mastery: Be prepared to demonstrate specific Figma techniques relevant to the projects you present, such as advanced component usage, auto layout, and design system implementation.

• Focus on Impact: Quantify results where possible (e.g., "increased conversion by X%", "reduced support tickets by Y%"). If quantitative data isn't available, focus on qualitative insights and user feedback.

• Prepare for Q&A: Anticipate questions about your design choices, alternative solutions you considered, and how you handle constructive criticism.

📝 Enhancement Note: This section provides targeted interview preparation advice, focusing on common questions for senior design roles, company-specific research, and effective portfolio presentation strategies. The questions are designed to probe the candidate's strategic thinking, problem-solving abilities, and fit within the company's operational context.

📌 Application Steps

To apply for this Senior UI/UX - Product Designer position:

• Submit your application through the provided link on Workable.

• Tailor Your Resume: Ensure your resume highlights your 5+ years of relevant experience, specifically mentioning mobile app design (iOS/Android), Figma proficiency, and any experience with fintech, banking, or regulated products. Use keywords from the job description.

• Prepare Your Portfolio: Select 2-3 of your strongest mobile app design projects. For each, clearly articulate the problem, your process, key design decisions, challenges, and outcomes. Ensure it showcases your end-to-end design capabilities and Figma expertise.

• Practice Your Presentation: Rehearse walking through your portfolio projects, focusing on clear storytelling, design rationale, and quantifiable impact. Be ready to discuss your design process and how you collaborate with cross-functional teams.

• Research Qualco Group: Familiarize yourself with the company's mission, values, and the products/services offered by Qualco Group and Quento Technologies S.A. Understand their position in the fintech and ICT landscape.

⚠️ 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.