Product Designer (Mobile Native B2C Oriented)

📍 Job Overview

Job Title: Product Designer (Mobile Native B2C Oriented)

Company: Rakuten Viber

Location: London, England, United Kingdom

Job Type: Full-Time

Category: Product Design, UX/UI Design, Fintech Operations

Date Posted: October 1, 2026

Experience Level: 5-10 Years

Remote Status: On-site

🚀 Role Summary

• Lead end-to-end product design for critical financial services within a high-traffic B2C mobile application, focusing on user trust and clarity in transaction flows.

• Actively integrate and leverage Artificial Intelligence (AI) tools across the design lifecycle, from research synthesis and ideation to prototyping and workflow automation, driving innovation in product features.

• Collaborate closely with product management and engineering teams to translate user needs and business objectives into intuitive and effective design solutions that impact hundreds of millions of users globally.

• Conduct hands-on user research, including interviews, usability testing, and in-depth data analysis, to inform design decisions and ensure a data-driven approach to product development.

• Contribute to the evolution and maintenance of a shared design system, ensuring consistency and scalability across various Viber products.

📝 Enhancement Note: This role is situated within a "super-app" context, specifically focusing on the burgeoning Viber Pay fintech offering. The emphasis on "Mobile Native B2C Oriented" and "Fintech, Payments, or Digital Wallets" experience highlights a need for designers adept at creating user-friendly interfaces for financial transactions within a consumer-facing mobile environment. The explicit mention of AI integration suggests a forward-thinking design team actively exploring new technologies.

📈 Primary Responsibilities

• Spearhead the entire design process for financial service features, encompassing user discovery, in-depth research, iterative prototyping, rigorous testing, and final design delivery.

• Take full ownership of the design for sensitive financial flows, including sending/receiving money, wallet onboarding, transaction history management, and identity verification, where accuracy and user trust are paramount.

• Proactively utilize and experiment with AI tools to enhance design workflows, including accelerating research synthesis, brainstorming innovative ideas, automating repetitive tasks, and improving prototyping efficiency.

• Play a key role in shaping and developing AI-driven product features that are being integrated into the Viber super-app, enhancing the overall user experience.

• Execute hands-on user research activities, such as conducting user interviews, performing usability tests, and analyzing app data and analytics to gain actionable insights.

• Actively participate in and contribute to the ongoing development and refinement of the design system, ensuring its integrity and applicability across all Viber products.

• Maintain a strategic perspective, understanding how design decisions align with key product performance indicators (KPIs) and contribute to overarching business objectives and revenue growth.

📝 Enhancement Note: The responsibilities emphasize a high degree of autonomy and end-to-end ownership, typical for senior design roles. The focus on "financial flows," "identity verification," and "regulated or compliance-adjacent flows" indicates a need for a designer with a strong understanding of user psychology in high-stakes environments and the ability to navigate complex regulatory landscapes within a B2C context.

🎓 Skills & Qualifications

Education: Bachelor's degree in Design, Human-Computer Interaction, Psychology, or a related field, or equivalent practical experience.

Experience: Minimum of 5 years of dedicated product design experience, with a significant portion focused on B2C mobile applications, preferably within the fintech, payments, or digital wallet sectors.

Required Skills:

• Proven expertise in leading the full product design lifecycle from initial discovery to final delivery.

• Demonstrated experience in designing complex financial transaction flows, including payments, onboarding, and identity verification, with a focus on user trust and clarity.

• Strong proficiency in conducting independent user research, including qualitative (interviews) and quantitative (analytics) methods, and translating findings into actionable design improvements.

• Advanced skills in prototyping tools to create interactive and testable user flows.

• Deep understanding of UX principles and a meticulous attention to detail, particularly in microcopy, edge cases, error states, and micro-interactions.

• Experience in designing for regulated or compliance-adjacent environments, ensuring user-friendly experiences for processes like identity verification and onboarding.

• Excellent written and verbal communication skills, with the ability to effectively articulate design decisions to cross-functional teams, including product managers, engineers, and leadership.

• A proactive and ownership-driven mindset, demonstrating the ability to identify problems and drive solutions without constant direction.

• Familiarity with data analysis and an ability to understand the metrics driving feature success. Preferred Skills:

• Hands-on experience with AI tools for design, such as AI-powered research synthesis, ideation assistants, or workflow automation.

• Experience contributing to or managing design systems for large-scale B2C applications.

• Familiarity with agile development methodologies and working within cross-functional product teams.

• Understanding of international financial regulations and compliance standards relevant to B2C fintech products.

• Experience working in a global, distributed team environment, with cross-location syncs and collaboration.

📝 Enhancement Note: The requirement for "5+ years" and the emphasis on ownership and data-driven decision-making suggest this role is for a mid-to-senior level Product Designer. The "Advantages" section was null, so no specific additional qualifications were provided, but the "Preferred Skills" have been inferred based on the role's context and common industry expectations for advanced product design positions.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase end-to-end design projects, clearly illustrating your process from problem definition, user research, ideation, prototyping, user testing, to final implementation and iteration.

• Include detailed case studies of complex B2C mobile applications, with a strong preference for those involving fintech, payments, or digital wallets.

• Demonstrate your ability to handle regulated or compliance-adjacent flows (e.g., onboarding, identity verification, transaction limits) and how you ensured user trust and clarity.

• Highlight projects where you actively used data and analytics to inform design decisions and measure the impact of your work on key product KPIs.

• Feature examples of your contributions to design systems, illustrating how you ensure consistency, scalability, and efficiency across products. Process Documentation:

• For each case study, clearly articulate the problem statement, your specific role and responsibilities, the design challenges encountered, and the solutions you implemented.

• Detail the research methodologies employed, including user interview insights, usability testing findings, and data analysis, and how these informed your design iterations.

• Explain your prototyping process, including tools used and the rationale behind key interaction design decisions.

• Document the outcomes and impact of your designs, using quantitative metrics (e.g., conversion rates, task completion times, user satisfaction scores) and qualitative feedback.

📝 Enhancement Note: Given the role's focus on fintech and regulated flows, a portfolio that clearly demonstrates a rigorous design process, strong research capabilities, and an understanding of user trust and compliance is crucial. The emphasis on data-driven decision-making and AI tool integration suggests candidates should be prepared to showcase projects where these elements were integral.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for experienced Product Designers in London, UK, with a specialization in B2C mobile fintech, the estimated salary range for this role is between £65,000 and £90,000 per annum. This estimation considers the 5-10 years of experience required, the specific domain expertise (fintech), and the high cost of living in London.

Benefits:

• Comprehensive health insurance, including medical, dental, and vision coverage.

• Generous paid time off (PTO), including vacation days, sick leave, and public holidays.

• Opportunities for professional development, including access to training, conferences, and workshops, with a specific focus on AI in design and fintech innovation.

• Pension scheme contributions to support long-term financial planning.

• Potential for performance-based bonuses and stock options, reflecting contributions to business outcomes.

• Commuting support or travel allowances for on-site work.

• Access to company-provided AI tools and licenses for design work.

• Discounted access to Rakuten services and products.

Working Hours: The standard working hours are typically 40 hours per week, with a flexible approach to accommodate project deadlines and cross-location collaboration. The on-site requirement in London means a consistent presence in the office is expected.

📝 Enhancement Note: As no specific salary or benefits were provided, this section has been populated with industry-standard ranges and benefits for a senior Product Designer role in London, UK, factoring in the fintech specialization and the company's global presence (Rakuten affiliation). The estimate is based on aggregated salary data from reputable job boards and compensation analysis platforms for the UK market.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology, Social Media, Telecommunications, Fintech. Rakuten Viber operates within a dynamic technology landscape, aiming to be a comprehensive "super-app" that integrates communication, financial services, and other lifestyle offerings.

Company Size: Viber is part of Rakuten, a large global conglomerate. While specific numbers for the Viber division might vary, Rakuten as a whole is a significant enterprise, suggesting a company with established processes, resources, and a broad global reach. This provides stability and access to extensive resources.

Founded: Viber was founded in 2010 and later acquired by Rakuten in 2014. This history indicates a company that has matured in the market, adapting to technological shifts and expanding its service offerings, including the recent focus on Viber Pay.

Team Structure:

• The Product Design team is distributed, with a core group based in Israel and this specific role in London, UK. This implies a need for strong remote collaboration skills and asynchronous communication practices.

• The Product Designer will report to a manager who emphasizes personal growth and encourages self-driven development through focused 1:1s.

• Close collaboration is expected with Product Managers and Engineers within the London office, as well as with the broader design team internationally. Methodology:

• A strong emphasis is placed on data-driven decision-making, with designers expected to analyze metrics and user data to inform their work.

• The company fosters a "real feedback culture" with short feedback loops between design, product, and leadership, enabling rapid iteration and continuous improvement.

• AI integration is a growing methodology, with the design team actively exploring and implementing AI tools to enhance efficiency and innovation.

• User-centric design principles are fundamental, with regular user research and testing integral to the product development process.

Company Website: www.viber.com

📝 Enhancement Note: The company context highlights Viber's evolution into a "super-app" with a significant push into fintech (Viber Pay). The distributed team structure (London/Israel) and the emphasis on AI integration are key aspects for potential candidates to understand regarding collaboration and innovation within the company.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a Mid-to-Senior Level Product Designer. The requirement for 5+ years of experience, end-to-end ownership, and the responsibility for critical financial flows indicate a need for a designer who can operate with significant autonomy and strategic input, rather than solely executing tasks.

Reporting Structure: The designer will report to a manager who focuses on individual growth and expects self-direction. This suggests a supportive but performance-oriented environment where career progression is tied to initiative and demonstrated impact. Collaboration will be with product and engineering teams in London and the wider design team in Israel.

Operations Impact: The design decisions made in this role have a direct and substantial impact on user engagement, trust, and adoption of financial services within a globally used application. Success in this position directly contributes to the growth and success of Viber Pay, influencing key business outcomes such as transaction volume, user retention, and overall revenue.

Growth Opportunities:

• Skill Specialization: Deepen expertise in fintech product design, user trust mechanics in financial applications, and the practical application of AI in design workflows.

• Leadership Potential: Opportunity to mentor junior designers, lead design initiatives for new product features, and potentially move into a Lead Product Designer or Product Design Manager role.

• Cross-Functional Exposure: Gain extensive experience working with product management, engineering, and data science teams, fostering a holistic understanding of product development.

• Industry Influence: Contribute to shaping the future of AI-integrated design within a leading global communication and financial services platform.

• Global Reach: Work on a product used by hundreds of millions of users worldwide, offering unparalleled scale and impact.

📝 Enhancement Note: The growth opportunities are framed around deepening specialized skills in a high-demand area (fintech, AI in design) and potential leadership pathways, aligning with the seniority of the role. The emphasis on "operations impact" is re-framed to highlight the business and user outcomes driven by design excellence.

🌐 Work Environment

Office Type: The role is based in Rakuten Viber's London office, suggesting a modern, professional workspace designed to foster collaboration and productivity. This environment is likely equipped with the necessary tools and amenities to support day-to-day operations and team interaction.

Office Location(s): London, England, United Kingdom. Specific office address details would be provided upon further stages of the application process, but it is understood to be a central location within London, accessible for commuters.

Workspace Context:

• Collaborative Hub: The London office serves as a hub for product and engineering teams, facilitating real-time collaboration, brainstorming sessions, and quick problem-solving with colleagues.

• Technology-Rich: Expect access to up-to-date hardware, software, and design tools, including AI-powered design platforms, essential for executing the role effectively.

• Cross-Cultural Interaction: The workspace will facilitate interaction with a diverse team, including colleagues from the UK and regular virtual interactions with the design team in Israel, promoting a global perspective.

Work Schedule: The position is full-time, with an expected 40-hour work week. While on-site presence is required, Viber likely offers some degree of flexibility in daily working hours to accommodate personal needs and project demands, provided core collaboration times are met.

📝 Enhancement Note: The work environment description focuses on the practical aspects for a designer: collaborative space, necessary technology, and the international team dynamic, emphasizing the on-site requirement in London.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A brief call with a recruiter to assess basic qualifications, cultural fit, and understanding of the role's core requirements.

• Portfolio Review & Design Exercise: A presentation of your portfolio, focusing on relevant B2C mobile fintech projects. This may be followed by a take-home design challenge or a live design exercise, assessing your problem-solving approach, design thinking, and ability to articulate your process.

• Hiring Manager Interview: A deeper dive into your experience, design philosophy, and approach to specific challenges like user trust, data integration, and AI adoption. This stage will also assess your fit with the team's management style and growth expectations.

• Cross-Functional Interview: A session with members of the product and engineering teams to evaluate collaboration skills, technical understanding, and how you integrate design with development realities.

• Final Interview/Leadership Discussion: Potentially a conversation with senior leadership to discuss strategic alignment, long-term vision, and overall fit within Viber's culture.

Portfolio Review Tips:

• Curate for Relevance: Prioritize projects that showcase your experience in B2C mobile design, particularly those involving fintech, payments, or complex user flows. Clearly articulate the problem, your solution, and the impact.

• Showcase Process: Detail your design process, including research methodologies, user testing, iteration, and how you incorporate data and analytics. Highlight your ability to handle edge cases and ensure user trust.

• Highlight AI Integration: If applicable, include projects where you leveraged AI tools for research, ideation, or workflow automation. Explain the benefits and outcomes.

• Quantify Impact: Use metrics whenever possible to demonstrate the success of your designs (e.g., conversion rate improvements, engagement increases, task completion success).

• Tell a Story: Structure your portfolio presentations as compelling narratives that demonstrate your problem-solving skills and design thinking.

Challenge Preparation:

• Understand the Domain: Research current trends in mobile fintech, user trust in financial apps, and the role of AI in product design.

• Practice Problem Framing: Be prepared to break down complex problems, identify key user needs, and define success metrics.

• Articulate Your Process: Clearly explain your design decisions, the trade-offs you considered, and how you would approach a given challenge from discovery to delivery.

• Prepare for Data-Driven Questions: Think about how you would use data and analytics to validate assumptions, measure success, and iterate on designs.

• Be Ready to Discuss AI: Consider how AI could be applied to solve the challenge presented, or how you would integrate existing AI tools into your workflow.

📝 Enhancement Note: The interview process and preparation advice are tailored to a senior product designer role in fintech, emphasizing portfolio relevance, data-driven insights, and the specific challenges of designing for trust and AI integration.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Figma, Sketch, Adobe Creative Suite (Photoshop, Illustrator), InVision, ProtoPie. Proficiency in at least one major design and prototyping tool is essential.

• AI Design Tools: Familiarity with emerging AI tools for design assistance, such as AI-powered research synthesis platforms, ideation generators, or workflow automation tools.

• Collaboration & Project Management: Jira, Confluence, Asana, Trello, Slack.

Analytics & Reporting:

• Analytics Platforms: Google Analytics, Amplitude, Mixpanel, Firebase Analytics. Ability to extract insights from user behavior data is crucial.

• Data Visualization: Tableau, Power BI, Looker (or similar tools for understanding and presenting data trends).

CRM & Automation:

• While not a direct CRM role, understanding how design impacts user journeys within a CRM context is beneficial.

• Integration Tools: Awareness of how design decisions might interface with backend systems and APIs.

📝 Enhancement Note: This section highlights the key tools and technologies expected for a product designer in a tech-forward company, with a specific emphasis on design software, analytics platforms, and the emerging area of AI design tools.

👥 Team Culture & Values

Operations Values:

• User Trust & Clarity: A paramount value, especially in financial services, ensuring designs are transparent, reliable, and build confidence with users.

• Data-Driven Decision Making: Valuing empirical evidence and analytics over assumptions, driving informed design choices that align with business objectives.

• Continuous Improvement & Iteration: A culture that embraces learning from feedback, data, and user behavior to constantly refine and enhance the product.

• Innovation & Experimentation: Encouraging the exploration of new technologies, such as AI, and novel approaches to design challenges.

• Ownership & Accountability: Empowering individuals to take full responsibility for their work, from conception to delivery and impact measurement.

Collaboration Style:

• Cross-Functional Partnership: Working closely with Product Managers, Engineers, Researchers, and Data Analysts to ensure a cohesive and effective product development process.

• Open Feedback Culture: Actively participating in design critiques, sharing constructive feedback, and being receptive to input from all team members.

• Global Team Integration: Effectively communicating and collaborating with distributed teams, particularly the design group in Israel, through virtual meetings and shared documentation.

• Agile & Iterative: Embracing agile methodologies that promote flexibility, rapid iteration, and responsiveness to changing requirements.

📝 Enhancement Note: The culture and values section is tailored to reflect the emphasis on trust, data, innovation (AI), and ownership, which are critical for a role in fintech product design within a global tech company.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Innovation with Trust: Integrating cutting-edge AI features while maintaining the highest levels of user trust and security in financial transactions.

• Designing for Global Diversity: Catering to a wide range of user needs, cultural contexts, and technical capabilities across Viber's global user base.

• Navigating Regulatory Landscapes: Designing compliant and user-friendly experiences for regulated financial flows in different jurisdictions.

• Cross-Location Collaboration: Effectively managing communication and collaboration across different time zones and cultural nuances with the distributed design team.

• Rapid Technological Evolution: Keeping pace with the fast-changing landscape of AI in design and ensuring its effective and ethical application.

Learning & Development Opportunities:

• AI in Design Specialization: Opportunities to become an expert in leveraging AI tools for design research, ideation, and workflow optimization.

• Fintech Domain Expertise: Deepening knowledge of financial services, payment systems, and regulatory compliance within a B2C context.

• Leadership Development: Potential to mentor junior designers, lead feature design initiatives, and grow into senior or lead roles.

• Industry Exposure: Attending relevant design and fintech conferences, workshops, and training programs to stay abreast of industry trends.

• Cross-Functional Skill Building: Gaining exposure to product strategy, engineering challenges, and data science methodologies.

📝 Enhancement Note: This section outlines specific challenges and growth opportunities relevant to a product designer in the fintech space, particularly one focused on AI and global reach, offering a clear view of professional development paths.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to design a user flow for a regulated financial service. How did you balance compliance requirements with user experience?" (Focus on your process, research, and handling of sensitive data.)

• "How would you approach designing the onboarding experience for a new user into Viber Pay, considering both ease of use and identity verification requirements?" (Demonstrate your ability to frame problems, define user needs, and propose solutions.)

• "Imagine we want to integrate an AI-powered feature to help users manage their spending. What would be your initial design approach, and how would you validate its value?" (Showcase your understanding of AI potential, user-centric design, and data validation.)

• "How do you ensure clarity and build trust in financial transactions within a mobile app interface?" (Highlight your attention to detail, microcopy skills, and understanding of user psychology in finance.) Company & Culture Questions:

• "What excites you about the prospect of working on Viber Pay, and how do you see your design skills contributing to its growth as a super-app?" (Show your enthusiasm for the product and understanding of its strategic goals.)

• "How do you approach giving and receiving feedback in a design critique session, especially with a distributed team?" (Assess your collaboration and communication style.)

• "Describe your experience working with data and analytics to inform design decisions. Can you provide an example?" (Demonstrate your data-driven approach.)

• "How do you stay updated on the latest trends in mobile design, fintech, and AI?" (Evaluate your commitment to continuous learning.) Portfolio Presentation Strategy:

• Structure Your Narrative: For each case study, clearly state the problem, your role, the challenges, your design process, and the measurable outcomes.

• Highlight Key Decisions: Explain why you made certain design choices, referencing user research, data, or specific design principles.

• Showcase Your Process: Emphasize your iterative approach, including user testing and how you incorporated feedback.

• Quantify Impact: Present data and metrics clearly to demonstrate the success and business value of your design solutions.

• Address AI & Fintech Specifics: If applicable, clearly articulate your contributions to AI integration or complex financial flows within your projects.

📝 Enhancement Note: These interview questions and preparation tips are designed to probe the candidate's expertise in fintech, mobile design, data-driven decision-making, and AI integration, reflecting the core requirements of the role and the company's strategic focus.

📌 Application Steps

To apply for this Product Designer position:

• Submit your application through the provided application link on Comeet.

• Curate Your Portfolio: Select 2-3 key projects that best showcase your experience in B2C mobile design, especially within fintech, payments, or digital wallets. Ensure these projects clearly demonstrate your end-to-end design process, user research, data-driven decisions, and attention to detail in complex flows.

• Tailor Your Resume: Highlight your 5+ years of relevant experience, emphasizing skills such as UX/UI design, mobile-native design, fintech product design, user research, prototyping, data analysis, and any experience with AI tools or regulated flows. Use keywords from the job description to optimize for ATS.

• Prepare Your Narrative: Practice presenting your portfolio projects concisely, focusing on the problem, your process, your solutions, and the impact. Be ready to discuss how you handled challenges related to user trust, data, and compliance.

• Research Viber & Viber Pay: Understand Viber's position as a super-app and the strategic importance of Viber Pay. Familiarize yourself with their current user experience and identify potential areas for design enhancement.

⚠️ 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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