[DESIGN] PRODUCT DESIGNER SR

📍 Job Overview

Job Title: Senior Product Designer

Company: Stone - Linkedin

Location: Remote (Brazil)

Job Type: Full-Time

Category: Product Design / User Experience

Date Posted: September 03, 2026

Experience Level: Senior (5+ years)

Remote Status: Fully Remote

🚀 Role Summary

• Lead the discovery process for customer journeys, translating complex problems into user-centered solutions with a focus on business impact.

• Champion the use and evolution of the Design System to ensure consistency, quality, and adherence to interaction and architectural standards across multiple products.

• Influence business strategy and product vision within a 'tribe' by interpreting data, conducting research, and facilitating hypothesis testing.

• Proactively manage stakeholders, ensuring alignment, visibility, and effective decision-making throughout the design process.

• Mentor and guide junior design talent, contributing to their technical and professional growth within the product development team.

📝 Enhancement Note: The role is explicitly for a Senior Product Designer, indicating a need for significant autonomy, strategic influence, and the ability to handle complex, open-ended problems. The emphasis on influencing business strategy and managing stakeholders suggests a role that bridges design execution with strategic product development. The mention of "tribo" implies an agile, product-focused organizational structure common in tech companies.

📈 Primary Responsibilities

• Lead end-to-end product design processes, from discovery and research to detailed UI design and iteration, for multiple products within a designated 'tribe'.

• Conduct user research using various methodologies (qualitative and quantitative) to uncover user needs, pain points, and opportunities.

• Translate research findings and data analysis into actionable design solutions, including wireframes, prototypes, and high-fidelity mockups.

• Define and track key success metrics for new products and features, aligning them with company objectives and user needs.

• Collaborate closely with cross-functional teams, including Product Managers, Engineers, and Researchers, to ensure successful product development and launch.

• Advocate for user needs and design best practices within the team and across the organization.

• Contribute to the evolution of the Design System by defining new components, patterns, and guidelines, ensuring adherence by development teams.

• Utilize generative AI tools (Claude, Gemini) to optimize content and conversational design flows, developing and refining advanced prompts.

• Present design concepts, rationale, and research findings to stakeholders at all levels, influencing decision-making and fostering alignment.

• Mentor and provide guidance to junior product designers, fostering their skill development and career growth.

📝 Enhancement Note: The responsibilities highlight a senior-level individual contributor role with significant strategic input and leadership potential. The explicit mention of generative AI tools like Claude and Gemini suggests a forward-thinking approach to design, particularly in conversational interfaces or content generation, which is a unique and valuable skill set.

🎓 Skills & Qualifications

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

Experience:

• Minimum of 5 years of professional experience in Product Design, UX/UI Design, or a similar role, with a strong portfolio showcasing successful product launches and end-to-end design process ownership.

• Demonstrated experience working on open-ended or ill-defined problems in a product development environment.

• Proven ability to work effectively in cross-functional teams and manage relationships with diverse stakeholders. Required Skills:

• Product Design Expertise: Deep understanding of user-centered design principles, interaction design, visual design, and information architecture.

• Design System Proficiency: Ability to understand, follow, and contribute to the definition of design systems, ensuring consistency and quality.

• User Research & Data Analysis: Skill in conducting qualitative and quantitative user research, interpreting data, and translating insights into design solutions.

• Stakeholder Management: Proven ability to manage consistent stakeholder relationships, promote alignment, and influence decision-making.

• Problem-Solving: Ability to tackle complex, open-ended problems with a strategic and analytical approach.

Preferred Skills:

• Generative AI & Conversational Design: Experience utilizing AI tools (Claude, Gemini) for content optimization, conversational design, and prompt engineering.

• Agile Methodologies: Familiarity with agile development processes and experience working within agile teams.

• Technical Understanding: Comprehension of interface construction principles in code to facilitate collaboration with engineering teams.

• Mentorship: Experience in mentoring junior designers and contributing to team skill development.

• Business Acumen: Ability to understand business objectives and translate them into impactful design strategies.

📝 Enhancement Note: The requirement for 5+ years of experience and the emphasis on handling "open-ended or ill-defined problems" clearly define this as a senior role. The specific mention of generative AI tools (Claude, Gemini) and conversational design indicates a niche but increasingly important skill set that candidates should highlight.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase at least 3-5 distinct projects demonstrating end-to-end product design ownership, from problem definition to post-launch iteration.

• Clearly articulate the problem statement, user needs, and business objectives for each project.

• Detail your specific role and contributions within each project, especially in team settings.

• Highlight your process for user research, ideation, prototyping, user testing, and design iteration.

• Demonstrate how you utilized or contributed to a Design System and ensured design consistency.

• Include examples of how your designs translated into measurable business impact or improved user outcomes. Process Documentation:

• For each portfolio project, provide a concise overview of the design process followed, emphasizing how you navigated ambiguity and scope.

• Detail specific research methodologies employed and how insights were synthesized.

• Explain how you collaborated with engineers and product managers, including communication and alignment strategies.

• If applicable, showcase examples of how you used data to inform design decisions or measure success.

• For AI-related projects, demonstrate prompt engineering techniques and how AI was used to optimize workflows or content.

📝 Enhancement Note: Given the senior nature of the role and the emphasis on stakeholder management and business influence, the portfolio should not just showcase visual design but also strategic thinking, research rigor, and measurable impact. The inclusion of AI tools suggests that projects demonstrating their application would be highly advantageous.

💵 Compensation & Benefits

Salary Range:

Based on industry benchmarks for Senior Product Designers in Brazil, with a fully remote arrangement, the estimated salary range is R$ 10.000 to R$ 16.000 per month. This estimate considers the experience level (5+ years), the strategic nature of the role, and the company's position in the fintech industry.

Benefits:

• Fixed Salary: Competitive base compensation.

• Variable Remuneration: Potential for performance-based bonuses such as PLR (Profit Sharing), ILP (Individual/Team Performance), or Commission, depending on role eligibility.

• Health & Dental Insurance: Comprehensive health and dental plans with co-participation (exceptions apply for individuals with disabilities).

• Virtual Hospital Verde: 24/7 telemedicine service for convenient healthcare access.

• Medication Subsidy: Support for medication costs.

• Meal & Food Vouchers: Pluxee vouchers for meal and food expenses.

• Childcare Assistance: Support for childcare expenses for children up to 5 years and 11 months.

• Assistance for Child with Disability: Specific support for families with children with disabilities.

• Life Insurance: Comprehensive life insurance coverage.

• Fuel or Commuting Assistance: Support for transportation costs (if applicable based on eligibility).

• Home Office Assistance: Stipend for remote work setup and expenses (for Hybrid or Remote contracts).

• New Parent Kit: Welcome package for new parents.

• SESC Membership: Access to a wide range of cultural, leisure, and educational benefits through SESC.

• Education Benefit: Access to an internal self-development platform (Studa and Stone Library).

• Emotional Support: Acolhe360º program offering free emotional support.

• Quick Massage & Clinic: On-site wellness services (eligibility may apply).

• Optional Benefits: Wellhub (TotalPass), Pet Club, Flash, Férias&Co, VT (Public Transport Ticket), Allya, Educational Partnerships.

Working Hours: Approximately 40 hours per week, with flexibility expected for a remote role, aligning with business needs and project timelines.

📝 Enhancement Note: The salary range is an estimate based on market data for senior design roles in Brazil, considering the remote nature and the fintech industry. The benefits package is extensive, reflecting a commitment to employee well-being and development. The "Remote OK" status, with potential for remote work within Brazil, is a key factor in the salary estimation.

🎯 Team & Company Context

🏢 Company Culture

Industry: Financial Technology (Fintech) / Payment Services. Stone operates within the dynamic and rapidly evolving Brazilian payments industry, known for its innovation and competitive landscape. This context implies a fast-paced environment focused on efficiency, customer acquisition, and technological advancement.

Company Size: Stone is a significant player, described as the largest independent payment processor in Brazil, employing over fifteen thousand people. This scale suggests a structured organization with established processes, but also ample opportunities for impact and growth within various teams and projects.

Founded: While the founding date isn't explicitly provided, the company's growth to such a large size indicates a relatively young but highly successful organization, likely emphasizing agility, innovation, and a startup-like culture within its established framework.

Team Structure:

• Product Tribes: The mention of "tribe" suggests an organizational model based on product-focused teams, where designers, product managers, and engineers collaborate closely on specific product areas.

• Cross-Functional Collaboration: Designers are expected to work closely with direct team members and cross-functional teams from other areas, emphasizing a collaborative approach to problem-solving.

• Reporting: Senior designers are expected to have autonomy and contribute to technical decisions, indicating a flattened hierarchy within product teams, with potential for mentorship of junior members.

Methodology:

• Customer-Centricity: The core value "O cliente é a razão" (The customer is the reason) permeates the company's approach, driving design and product decisions.

• Data-Driven Decisions: Values like "Cabeça de dono" (Owner's Mindset) and "Direto ao ponto" (Straight to the point) emphasize responsibility, technology-informed decisions, and a focus on effective problem-solving.

• Continuous Improvement: The culture values continuous development and disruptive thinking, encouraging innovation and efficiency.

Company Website: stone.com.br

📝 Enhancement Note: Stone's culture is heavily influenced by its mission to serve Brazilian entrepreneurs, emphasizing customer success, ownership, and directness. The fintech industry context means a focus on rapid iteration, security, and scalability. The "tribe" structure points towards agile product development.

📈 Career & Growth Analysis

Operations Career Level: Senior Product Designer. This level signifies a transition from primarily executing design tasks to influencing product strategy, leading design initiatives, and mentoring others. The role demands autonomy, strategic thinking, and the ability to handle ambiguity.

Reporting Structure: While not explicitly detailed, a Senior Product Designer typically reports to a Design Lead, Product Lead, or Head of Product/Design. They will work closely with Product Managers and Engineering Leads within their assigned product 'tribe'. The expectation of contributing to technical decisions and mentoring junior designers suggests a leadership trajectory.

Operations Impact: The role has a direct impact on product success by translating business objectives and user needs into effective, scalable, and user-friendly solutions. By influencing product strategy, defining success metrics, and managing stakeholders, the Senior Product Designer plays a crucial role in driving key business KPIs and contributing to Stone's overall growth and mission.

Growth Opportunities:

• Leadership Development: Potential to move into Lead Product Designer, Design Manager, or Product Strategy roles.

• Specialization: Opportunity to deepen expertise in specific areas like conversational design, AI-driven design, or complex platform design.

• Cross-Functional Mobility: Potential to transition into Product Management or other strategic roles within the company.

• Mentorship: Formal and informal opportunities to mentor junior designers, developing leadership and coaching skills.

• Continuous Learning: Access to internal learning platforms and potential for external training or conferences to stay current with design trends and technologies.

📝 Enhancement Note: The growth path for a Senior Product Designer at Stone appears to involve increased strategic influence, leadership opportunities, and potential for specialization, particularly in emerging areas like AI-driven design. The company's size and focus on innovation suggest a dynamic environment for career advancement.

🌐 Work Environment

Office Type: While the position is advertised as "Remoto" (Remote) and the derived location is Brazil, Stone has a significant physical presence across Brazil. This suggests that the company operates a hybrid model for many roles, with a strong emphasis on remote work flexibility for this specific position. The company culture values collaboration, implying that remote team members will have structured opportunities for virtual interaction.

Office Location(s): Stone has offices across all five regions of Brazil. While this specific role is remote, understanding the company's distributed nature highlights its commitment to accessibility and talent acquisition nationwide.

Workspace Context:

• Remote-First/Hybrid Culture: The role is fully remote, indicating a mature remote work infrastructure and a culture that supports distributed teams.

• Collaborative Tools: Expect extensive use of digital collaboration tools (e.g., Slack, Miro, Figma, video conferencing) to foster communication and teamwork among remote colleagues.

• Design System Integration: Access to and active use of the company's Design System will be integral to the daily workflow, ensuring a consistent and efficient design process.

• Cross-functional Interaction: Daily interaction with Product Managers, Engineers, and potentially researchers, all operating within a digital-first environment.

Work Schedule: The standard working hours are approximately 40 hours per week. However, as a remote role in a fast-paced fintech environment, there may be an expectation of flexibility to meet project deadlines and accommodate cross-time zone collaboration where necessary.

📝 Enhancement Note: The fully remote nature of this role is a key characteristic. The company's physical presence across Brazil, combined with a remote-first approach for this position, suggests a flexible and modern work environment that prioritizes talent regardless of location within Brazil.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter will likely conduct an initial call to assess basic qualifications, cultural fit, and interest in the role and Stone.

• Portfolio Review & Design Challenge: Candidates will present their portfolio, discussing key projects and their design process. This may be followed by a design exercise or case study, potentially focusing on a specific problem relevant to Stone's business or a given scenario.

• Cross-Functional Interviews: Interviews with Product Managers, Engineers, and potentially other designers to assess collaboration skills, technical understanding, and strategic thinking.

• Leadership Interview: A final interview, potentially with a Design Lead or Head of Product, to discuss career aspirations, leadership potential, and alignment with Stone's vision and values.

Portfolio Review Tips:

• Storytelling: Structure your portfolio presentations around compelling narratives that highlight challenges, your process, solutions, and measurable impact.

• Focus on Seniority: Emphasize your autonomy, strategic contributions, stakeholder management, and mentorship experience.

• Process Transparency: Clearly articulate your design process, including research, ideation, iteration, and how you made critical decisions.

• Quantify Impact: Whenever possible, use data and metrics to demonstrate the success of your designs and their contribution to business goals.

• AI/Conversational Design Showcase: If you have relevant experience, dedicate a section to showcasing your work with generative AI tools, prompt engineering, and conversational design, detailing the outcomes.

• Tailor to Stone: Research Stone's products and values, and try to tailor your examples to resonate with their business context.

Challenge Preparation:

• Understand the Business: Familiarize yourself with Stone's products, services, target audience (Brazilian entrepreneurs), and competitive landscape.

• Design Thinking Framework: Be prepared to apply a structured design thinking approach to any given problem.

• Metrics & KPIs: Understand how to define success metrics relevant to a fintech product.

• AI Prompting: If the challenge involves AI or content, be ready to discuss prompt engineering principles and optimization strategies.

• Communication: Practice articulating your thought process clearly and concisely, especially when under time pressure.

📝 Enhancement Note: The interview process is likely to be rigorous, focusing on both design craft and strategic impact. The portfolio review and potential design challenge are critical junctures where demonstrating senior-level thinking, problem-solving, and specific AI skills will be key differentiators.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Figma (highly probable given industry standards and collaborative nature), Sketch, Adobe Creative Suite (Illustrator, Photoshop).

• Collaboration & Communication: Slack, Microsoft Teams, Google Workspace (Docs, Sheets, Slides).

• Project Management: Jira, Asana, Trello (or similar tools used by product teams).

• Whiteboarding & Ideation: Miro, Mural.

Analytics & Reporting:

• Product Analytics: Google Analytics, Amplitude, Mixpanel, Pendo (or similar tools for tracking user behavior and product performance).

• Data Visualization: Tableau, Looker, Power BI (for analyzing and presenting data insights).

• A/B Testing Tools: Optimizely, VWO, Google Optimize.

CRM & Automation:

• CRM: Salesforce, HubSpot (likely used by sales and marketing, but designers may interact with data or user flows related to CRM).

• Automation Tools: While not directly for designers, understanding how automation impacts user journeys is beneficial.

• Integration Tools: Familiarity with how different systems connect (e.g., API concepts) can aid in understanding product architecture.

Specific to this Role:

• Generative AI Platforms: Claude, Gemini.

• Prompt Engineering Tools/Frameworks.

• Conversational Design Platforms: Tools specific to chatbot or voice interface design if applicable.

📝 Enhancement Note: Proficiency in Figma is almost a given for modern product design roles. The explicit mention of Claude and Gemini as generative AI tools is a critical requirement and should be a primary focus for candidates. Familiarity with product analytics tools is also essential for a data-informed approach.

👥 Team Culture & Values

Operations Values:

• Customer Focus ("O cliente é a razão"): All design decisions should prioritize customer success and satisfaction, aiming to solve their problems effectively and contribute to their business growth.

• Ownership ("Cabeça de dono"): Take initiative, responsibility, and a proactive approach to design challenges. Think critically about solutions and their long-term implications.

• Directness & Simplicity ("Direto ao ponto"): Strive for clarity and efficiency in both design solutions and communication. Understand problems deeply to offer simple, effective resolutions.

• Teamwork & Collaboration ("Excelência é um jogo de equipe"): Work harmoniously with cross-functional partners, share knowledge, and contribute to a collective environment of excellence.

• Passion & Detail ("Paixão em cada detalhe"): Approach work with enthusiasm, paying close attention to detail to deliver high-quality, surprising, and impactful user experiences.

Collaboration Style:

• Cross-functional Integration: Expect to work closely with Product Managers, Engineers, Data Analysts, and potentially other designers, fostering a collaborative environment where diverse perspectives are valued.

• Open Communication: A culture that encourages active listening, synthesis of information, and the open exchange of ideas, including constructive feedback and "difficult conversations" when necessary.

• Data-Informed Design: Collaboration will heavily involve data analysis and interpretation to guide design decisions and measure impact, aligning with Stone's data-driven approach.

• Agile Processes: Likely to operate within agile frameworks, requiring iterative design, quick feedback loops, and adaptability.

📝 Enhancement Note: Stone's values are deeply integrated into its operational philosophy. Designers are expected to embody these values, translating them into user-centric solutions and collaborative working practices. The emphasis on teamwork and directness suggests an environment where clear communication and mutual respect are paramount.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Business & User Needs: Navigating the complexities of a fast-paced fintech environment to balance demanding business objectives with genuine user needs and ethical design practices.

• Ambiguity & Scope: Working with open-ended or ill-defined problems requires strong analytical skills, creative problem-solving, and the ability to define scope and direction independently.

• Stakeholder Alignment: Managing expectations and influencing decisions across multiple stakeholders with potentially competing priorities requires robust communication and negotiation skills.

• Rapid Technological Evolution: Staying abreast of new design tools, methodologies, and emerging technologies like Generative AI and integrating them effectively into the design process.

• Scaling Design Impact: Ensuring design quality and consistency across multiple products while working remotely and potentially mentoring junior designers.

Learning & Development Opportunities:

• Advanced AI & Conversational Design: Deepen expertise in using generative AI tools (Claude, Gemini) for content optimization, prompt engineering, and conversational flow design.

• Product Strategy & Business Influence: Develop skills in influencing product vision, defining KPIs, and contributing to strategic business decisions.

• Leadership & Mentorship: Gain experience in leading design initiatives and formally or informally mentoring junior designers.

• Fintech Domain Expertise: Build in-depth knowledge of the payment industry, financial services, and the specific needs of Brazilian entrepreneurs.

• Cross-Functional Skill Development: Opportunities to learn more about product management, engineering practices, and data analysis.

📝 Enhancement Note: The challenges presented are typical for a senior role in a dynamic industry, offering significant opportunities for professional growth. The emphasis on AI and conversational design points to a forward-looking approach by Stone, providing a unique learning avenue.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex, ambiguous problem you tackled in a previous role. How did you define the problem, what was your process, and what was the outcome?" (Focus on your autonomy, strategic approach, and ability to define scope.)

• "How do you balance competing stakeholder needs and priorities to ensure successful design outcomes?" (Prepare examples demonstrating negotiation, alignment, and communication skills.)

• "Walk us through a project where you significantly influenced the business strategy or product vision. What was your approach, and how did you measure success?" (Highlight your strategic thinking and impact-driven design.)

• "How would you approach defining success metrics for a new feature aimed at improving user onboarding for small business owners?" (Demonstrate understanding of KPIs and user-centricity.) Company & Culture Questions:

• "How do Stone's values (Customer is the reason, Owner's Mindset, Straight to the point, Teamwork, Passion) align with your own professional philosophy and past experiences?" (Research the values thoroughly and connect them to your actions.)

• "Describe a time you had to deliver difficult feedback to a peer or stakeholder. How did you handle it, and what was the result?" (Prepare for questions assessing communication and conflict resolution.)

• "How do you stay updated on the latest trends in product design and technology, particularly in areas like AI and conversational design?" (Showcase your commitment to continuous learning.) Portfolio Presentation Strategy:

• Structure: Organize your presentation logically: Problem -> Your Role -> Process -> Solution -> Impact -> Learnings.

• Highlight Seniority: Emphasize your leadership, autonomy, strategic contribution, and mentorship.

• Deep Dive on Process: Be ready to explain why you made certain decisions at each stage of your process.

• Quantify Impact: Use data and metrics to demonstrate the tangible results of your work.

• Showcase AI Work: If applicable, dedicate time to explaining your experience with Claude, Gemini, and prompt engineering, detailing the specific benefits achieved.

• Engage Stakeholders: Be prepared to answer questions from a cross-functional panel, demonstrating your ability to communicate design rationale effectively to diverse audiences.

📝 Enhancement Note: Preparation should focus on demonstrating senior-level thinking, strategic impact, and specific skills like AI integration. Candidates should be ready to articulate their process, justify their decisions, and connect their experience to Stone's values and business objectives.

📌 Application Steps

To apply for this Senior Product Designer position:

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

• Portfolio Customization: Tailor your portfolio to highlight projects demonstrating end-to-end ownership, strategic influence, stakeholder management, and ideally, experience with Generative AI tools (Claude, Gemini) and conversational design.

• Resume Optimization: Ensure your resume clearly articulates your 5+ years of experience, key achievements, and proficiency in relevant design tools and methodologies. Use keywords like "Product Design," "UX/UI," "Design System," "User Research," "Stakeholder Management," and "Generative AI."

• Interview Preparation: Practice articulating your design process, project outcomes, and how you embody Stone's values. Prepare to present your portfolio and discuss specific case studies, focusing on impact and strategic contributions.

• Company Research: Thoroughly research Stone, its products, its mission, and its company culture. Understand the Brazilian fintech landscape and the challenges faced by entrepreneurs. This will help you 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.