Senior UX/UI Designer - Shipping Posventa

📍 Job Overview

Job Title: Senior UX/UI Designer - Shipping Posventa

Company: Mercado Libre

Location: Buenos Aires, Argentina

Job Type: FULL_TIME

Category: UX/UI Design, Product Design

Date Posted: 2026-06-18

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

Remote Status: Hybrid

🚀 Role Summary

• Design end-to-end user experiences for sellers managing post-sales claims, focusing on agility and scalability within the e-commerce ecosystem.

• Drive continuous improvement initiatives to elevate the quality of the after-sales experience and address user pain points.

• Develop systemic solutions that integrate various products and stakeholders within Mercado Libre's extensive platform.

• Collaborate closely with product managers and development teams to define problems and opportunities, ensuring alignment with business objectives.

• Evolve and maintain corporate design standards and processes to ensure consistency and high-quality user interfaces across the organization.

📝 Enhancement Note: This role is positioned within the "Shipping Posventa" (After-Sales Shipping) division, indicating a focus on the critical post-purchase journey for sellers, specifically related to shipping disputes and claims. The emphasis on "scalability" and "systemic proposals" suggests a need for robust, adaptable design solutions that can handle high volumes and integrate with a complex e-commerce and financial services platform. The requirement to "evolve corporate design standards" points to a strategic influence beyond individual projects.

📈 Primary Responsibilities

• Conceptualize and design comprehensive user flows and wireframes for seller-facing tools aimed at streamlining claim management and dispute resolution processes.

• Conduct user research, usability testing, and data analysis to identify pain points and opportunities for enhancing the after-sales shipping experience.

• Develop high-fidelity mockups and interactive prototypes that clearly communicate design intent and user interaction patterns.

• Collaborate with cross-functional teams, including product management, engineering, data science, and customer support, to gather requirements, refine designs, and ensure successful implementation.

• Contribute to and maintain the company's design system, ensuring consistency in visual design, interaction patterns, and component usage across digital products.

• Integrate AI-driven functionalities and insights into the user experience to provide intelligent solutions for claim resolution and proactive issue identification.

• Define and track key user experience metrics to measure the effectiveness of design solutions and inform future iterations.

• Champion user-centered design principles and best practices throughout the product development lifecycle.

📝 Enhancement Note: The responsibility to "design experiences to help sellers manage claims agilely and scalably" implies a need for efficient workflow design, clear information architecture, and robust error handling. The mention of "systemic proposals considering different products and actors" suggests a need for understanding the broader Mercado Libre ecosystem and how the after-sales shipping experience impacts other areas like payments, logistics, and seller reputation. Evolving design standards indicates a leadership component in shaping UX practices.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a Bachelor's or Master's degree in Design, Human-Computer Interaction (HCI), Computer Science, or a related field is often preferred for senior roles in this domain.

Experience: 5-10 years of professional experience in UX/UI design, with a proven track record of designing complex digital products within multidisciplinary teams. Expertise in end-to-end experience design for e-commerce or platform businesses is highly valued.

Required Skills:

• UX Design: Deep understanding of user-centered design methodologies, user research techniques (interviews, surveys, usability testing), and information architecture.

• UI Design: Proficiency in creating visually appealing, consistent, and accessible user interfaces, with a strong grasp of typography, color theory, and layout principles.

• Interaction Design: Expertise in designing intuitive and efficient user flows, micro-interactions, and navigation systems.

• Human-Centered Design: Ability to empathize with users, translate user needs into design solutions, and advocate for the user throughout the product development process.

• Design Systems: Experience in creating, maintaining, and scaling design systems to ensure visual and interactive consistency across multiple products and platforms.

• AI Integration: Familiarity with integrating AI-driven features or leveraging AI insights within digital product experiences to enhance functionality or user assistance.

• Product Design: Holistic understanding of the product lifecycle, from ideation and research to prototyping, testing, and iteration.

• Prototyping Tools: Proficiency in industry-standard design and prototyping tools (e.g., Figma, Sketch, Adobe XD, InVision).

Preferred Skills:

• Experience in the e-commerce or fintech industry, particularly within logistics or post-sales operations.

• Familiarity with agile development methodologies and cross-functional team collaboration.

• Ability to conduct and interpret quantitative and qualitative data to inform design decisions.

• Strong communication and presentation skills, with the ability to articulate design rationale to diverse stakeholders.

• Experience mentoring junior designers or leading design initiatives.

📝 Enhancement Note: The requirement for "integrating AI models" suggests a need for designers who can translate complex AI capabilities into user-friendly interfaces and workflows, rather than just understanding the AI itself. The emphasis on "complex digital products" implies that candidates should have experience with intricate systems, not just simple web pages or apps.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 2-3 comprehensive case studies demonstrating end-to-end UX/UI design process for complex digital products, ideally within e-commerce, logistics, or platform environments.

• Highlight projects where you identified user pain points, defined problems, and developed innovative solutions that led to measurable improvements in user experience or business outcomes.

• Include examples of your work with design systems, detailing your contribution to their creation, maintenance, or application to ensure consistency.

• Present projects that involved cross-functional collaboration with product managers, engineers, and other stakeholders, illustrating your ability to work effectively in a team.

• Demonstrate experience in designing for scalability and handling complex workflows, particularly in areas like claims management, customer support, or post-sales operations. Process Documentation:

• Detail your approach to user research, including methodologies used, participant recruitment, and how insights were translated into design decisions.

• Illustrate your wireframing, prototyping, and user testing process, showing how iterative feedback was incorporated to refine designs.

• Provide examples of how you've contributed to or utilized design systems, including style guides, component libraries, and governance models.

• Showcase how you've integrated AI concepts or data-driven insights into your design process and final solutions.

📝 Enhancement Note: For this role, a portfolio should strongly emphasize the candidate's ability to handle complex problem spaces and demonstrate a systemic approach. Case studies should clearly articulate the problem, the user research and ideation process, the proposed solution (with visual artifacts), the impact (quantified if possible), and the candidate's specific role and contributions. Explicitly showing work related to post-sales, claims, or seller-facing tools will be highly advantageous.

💵 Compensation & Benefits

Salary Range: For a Senior UX/UI Designer in Buenos Aires, Argentina, with 5-10 years of experience, the estimated annual salary range is ARS $15,000,000 - ARS $25,000,000. This estimate is based on industry benchmarks for senior design roles in major LATAM tech hubs, considering Mercado Libre's standing as a leading technology company. Actual compensation will depend on experience, specific skills, and negotiation.

Benefits:

• Comprehensive Health Insurance: Medical, dental, and vision coverage for employees and potentially dependents.

• Life Insurance: Financial protection for beneficiaries.

• Professional Development: Access to training programs, workshops, conferences, and online learning platforms to enhance design skills and stay updated with industry trends.

• Stock Options/Performance Bonuses: Potential for equity or performance-based bonuses, reflecting the company's success and employee contributions.

• Flexible Work Arrangements: Hybrid work model allowing for a balance between in-office collaboration and remote flexibility.

• Employee Discounts: Potential discounts on Mercado Libre products and services.

• Gym Memberships/Wellness Programs: Support for employee health and well-being.

• Parental Leave: Generous paid leave for new parents.

• Commuter Benefits: Assistance with transportation costs to the office.

Working Hours: The standard working hours are approximately 40 hours per week. The hybrid model provides flexibility, typically allowing employees to choose specific days to work from the Polo Dot office in Buenos Aires, with the remainder of the week being remote.

📝 Enhancement Note: The salary range is an estimate based on publicly available data for senior tech roles in Argentina, adjusted for the specific UX/UI design discipline and Mercado Libre's market position. It's crucial to note that exchange rates and local economic conditions can influence actual compensation. The benefits package is typical for large tech companies in the region, aiming to attract and retain top talent.

🎯 Team & Company Context

🏢 Company Culture

Industry: E-commerce, Financial Services, Technology. Mercado Libre operates at the intersection of these dynamic sectors, acting as a leading digital commerce platform and financial technology provider across Latin America. This means a fast-paced, innovative environment with a strong focus on user experience, data security, and continuous technological advancement.

Company Size: Large Enterprise (10,000+ employees). As one of the largest tech companies in Latin America, Mercado Libre offers a stable yet dynamic environment with ample opportunities for growth and impact. Its scale means established processes but also a constant drive for innovation to maintain market leadership.

Founded: 1999. With over two decades of experience, Mercado Libre has a deep understanding of the Latin American market, a robust technological infrastructure, and a strong brand reputation. This history provides a solid foundation for innovation and expansion into new areas.

Team Structure:

• The UX/UI Design team is likely integrated within product development squads, working closely with product managers, engineers, and data scientists.

• Senior designers often lead initiatives, mentor junior members, and contribute to the overall design strategy and standards.

• Reporting structures typically involve design leads or managers who oversee specific product areas or disciplines.

• Cross-functional collaboration is paramount, with designers acting as key facilitators between user needs, business goals, and technical feasibility. Methodology:

• Data-Driven Design: Leveraging analytics, A/B testing, and user feedback to inform design decisions and measure impact.

• Agile Development: Working in iterative cycles with frequent releases and continuous feedback loops.

• Systemic Thinking: Designing solutions that consider the broader ecosystem and interdependencies between different products and services.

• Continuous Learning: Embracing new technologies, methodologies, and AI advancements to drive innovation.

Company Website: https://www.mercadolibre.com/

📝 Enhancement Note: Mercado Libre's mission to democratize commerce and financial services in Latin America implies a strong focus on solving real-world problems for a vast and diverse user base. The "Shipping Posventa" role specifically addresses a critical pain point for sellers, highlighting the company's commitment to supporting its ecosystem.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as "Senior," indicating a significant level of experience (5-10 years) and a capacity for independent work, leadership, and strategic contribution. Senior UX/UI Designers are expected to handle complex projects, mentor others, and influence design direction. The "Shipping Posventa" specialization suggests deep expertise within a critical functional area of the platform.

Reporting Structure: The Senior UX/UI Designer will likely report to a Design Lead, Product Design Manager, or Head of UX within the e-commerce or logistics division. They will work collaboratively within cross-functional product teams, reporting functionally to design leadership and project-wise to product managers.

Operations Impact: This role has a direct impact on the seller experience, which is crucial for Mercado Libre's platform health and growth. By improving the efficiency and usability of post-sales shipping claim management, the designer contributes to increased seller satisfaction, reduced operational overhead, and potentially higher transaction volumes. The systemic approach also ensures that design improvements have a ripple effect across related services.

Growth Opportunities:

• Leadership Trajectory: Potential to move into Lead or Managerial roles within UX/UI design, overseeing larger teams or product areas.

• Specialization Advancement: Deepen expertise in areas like e-commerce operations, platform design, or AI-driven UX within the post-sales domain.

• Cross-Functional Mobility: Opportunities to transition into Product Management, Design Strategy, or other related roles within Mercado Libre.

• Continuous Learning: Access to internal training, external conferences, and workshops to acquire new skills in emerging design technologies and methodologies, including advanced AI applications in UX.

• Impactful Projects: Opportunities to work on high-visibility, mission-critical projects that shape the future of e-commerce and financial services in Latin America.

📝 Enhancement Note: The "Senior" title and the focus on evolving design standards suggest that this role offers significant autonomy and the chance to shape processes and mentor others, aligning with a mid-to-senior career progression path in UX/UI design.

🌐 Work Environment

Office Type: Hybrid Work Model. Employees are expected to work from the Mercado Libre office in Buenos Aires (Polo Dot) for a portion of the week, fostering in-person collaboration, team building, and access to office resources, while also offering the flexibility of remote work.

Office Location(s): The primary office location mentioned is Polo Dot in Buenos Aires, Argentina. This is a modern business hub, likely offering excellent amenities and accessibility.

Workspace Context:

• Collaborative Spaces: The office environment likely features open-plan areas, meeting rooms, and collaboration zones designed to facilitate teamwork and brainstorming sessions.

• Technology & Tools: Access to high-speed internet, modern workstations, and the necessary software and hardware for design work. The company's tech-forward culture ensures access to up-to-date tools.

• Team Interaction: Opportunities for regular face-to-face interaction with product teams, fellow designers, and stakeholders, promoting strong working relationships and effective communication.

Work Schedule: The typical work schedule is full-time, approximately 40 hours per week. The hybrid arrangement allows for some flexibility in structuring the workweek, balancing in-office days with remote work, which can be beneficial for focused design tasks and personal commitments.

📝 Enhancement Note: The Polo Dot location in Buenos Aires is a well-known corporate hub, suggesting a professional and well-equipped office environment. The hybrid model reflects a modern approach to work, balancing the benefits of in-person collaboration with the flexibility of remote work, which is attractive to many design professionals.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter or hiring manager will conduct an initial call to assess basic qualifications, experience, and cultural fit.

• Portfolio Review & Technical Interview: Candidates will be asked to present their portfolio, focusing on 2-3 key case studies. This session will delve into the design process, problem-solving approach, collaboration, and impact. Expect questions on interaction design, human-centered principles, and design system application.

• Cross-Functional Interviews: Interviews with product managers, engineers, or other stakeholders to evaluate collaboration skills, understanding of technical constraints, and ability to contribute to a multidisciplinary team.

• Leadership/Manager Interview: A final interview with a design leader or hiring manager to discuss strategic thinking, career aspirations, and alignment with Mercado Libre's culture and values.

Portfolio Review Tips:

• Storytelling: Structure your case studies as narratives, clearly outlining the problem, your role, the process, the solution, and the outcomes.

• Visuals: Use high-quality mockups, prototypes, wireframes, and user flow diagrams to illustrate your design process and solutions effectively.

• Quantify Impact: Whenever possible, present metrics that demonstrate the positive impact of your designs (e.g., improved conversion rates, reduced support tickets, increased task completion time).

• Process Clarity: Clearly articulate your design methodology, research insights, and decision-making rationale.

• Tailor to Role: Emphasize projects that are most relevant to complex digital products, post-sales operations, claims management, or platform design.

Challenge Preparation:

• Design Challenge: Be prepared for a potential design exercise, either take-home or live, which might involve solving a specific problem related to the after-sales shipping domain. Focus on demonstrating your process, not just the final output.

• Systemic Thinking: Practice articulating how your design solutions fit within a larger ecosystem and consider potential impacts on other parts of the platform.

• AI Integration: Be ready to discuss how you would approach integrating AI features or leveraging AI-generated insights into a user experience.

📝 Enhancement Note: The portfolio review is critical. Candidates should be prepared to discuss their design decisions in depth, defend their choices with user data and design principles, and articulate how they would tackle challenges within Mercado Libre's specific context. The "Shipping Posventa" focus means demonstrating experience with operational efficiency and complex user journeys.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Figma (highly probable given industry trends and widespread adoption), Sketch, Adobe XD, InVision.

• User Research & Testing: Tools like UserTesting.com, Maze, Hotjar, Google Analytics, or internal analytics platforms.

• Collaboration Platforms: Slack, Microsoft Teams, Jira, Confluence for team communication and project management.

Analytics & Reporting:

• Google Analytics, Amplitude, Mixpanel, or similar product analytics platforms for tracking user behavior and measuring design impact.

• Tableau, Power BI, or internal BI tools for data visualization and reporting. CRM & Automation:

• While not a primary design tool, familiarity with CRM systems (e.g., Salesforce) and workflow automation tools can be beneficial for understanding the broader operational context of the "Posventa" domain.

📝 Enhancement Note: Proficiency in Figma is almost a de facto standard for modern UX/UI roles, especially in fast-paced tech companies like Mercado Libre. Experience with product analytics tools is crucial for demonstrating a data-driven approach.

👥 Team Culture & Values

Operations Values:

• Customer Obsession: A deep commitment to understanding and solving user problems, with a particular focus on sellers in the "Shipping Posventa" context.

• Innovation: Continuously seeking new and better ways to solve problems through technology and design.

• Collaboration: Working effectively in multidisciplinary teams, valuing diverse perspectives and fostering open communication.

• Execution Excellence: A drive to deliver high-quality solutions efficiently and effectively, with a focus on measurable impact.

• Data-Driven Decision Making: Using data and insights to guide design choices and validate solutions.

Collaboration Style:

• Cross-Functional Integration: Designers are integral parts of product squads, working hand-in-hand with engineers, product managers, and analysts.

• Iterative Feedback: A culture that encourages regular feedback loops, design critiques, and iterative refinement of solutions.

• Knowledge Sharing: Encouraging the sharing of best practices, learnings, and design expertise across teams, often facilitated through design system documentation and internal presentations.

📝 Enhancement Note: Mercado Libre's culture emphasizes agility, innovation, and a strong focus on solving local problems for Latin America. For a Senior UX/UI Designer, this means being comfortable working in a fast-paced environment, driving initiatives, and collaborating closely with diverse teams to achieve significant impact.

⚡ Challenges & Growth Opportunities

Challenges:

• Complexity of the Ecosystem: Designing for a large, interconnected platform with multiple products and user types requires a deep understanding of systemic dependencies and potential trade-offs.

• Balancing Stakeholder Needs: Effectively mediating between the needs of sellers, buyers, Mercado Libre's business objectives, and technical constraints.

• Scalability Demands: Ensuring that design solutions can handle high volumes of transactions and user interactions, particularly in the critical post-sales phase.

• Evolving AI Landscape: Keeping pace with rapid advancements in AI and finding meaningful ways to integrate it into user experiences that genuinely add value.

Learning & Development Opportunities:

• Advanced UX/UI Techniques: Opportunities to learn and apply cutting-edge design methodologies, including AI-assisted design tools and predictive UX.

• E-commerce & Fintech Specialization: Deepen knowledge in the nuances of online marketplaces and financial technology, particularly within the Latin American context.

• Leadership Development: Access to management training and mentorship programs for aspiring design leaders.

• Industry Exposure: Attending relevant conferences and workshops to stay abreast of industry best practices and emerging trends in UX, AI, and e-commerce.

📝 Enhancement Note: The challenges presented are inherent to working at a large, innovative tech company like Mercado Libre. They also represent significant opportunities for professional growth, allowing designers to tackle complex problems and develop highly sought-after skills.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex digital product you designed from end-to-end. What were the biggest challenges, and how did you overcome them?" (Focus on user research, problem definition, solution ideation, and iteration.)

• "How do you approach designing for scalability in a platform environment? Provide an example from your portfolio." (Highlight experience with complex systems and high-volume scenarios.)

• "Discuss your experience with design systems. How have you contributed to or utilized them, and what are the key benefits?" (Showcase your understanding of consistency and efficiency.)

• "Imagine you need to design a new feature for sellers to manage shipping claims more efficiently. Walk us through your process." (Demonstrate your design thinking, problem-solving, and user-centric approach.)

• "How would you integrate AI into the post-sales shipping claim process to improve the seller experience?" (Focus on practical applications and user value, not just technology.) Company & Culture Questions:

• "What interests you about Mercado Libre and this specific role within Shipping Posventa?" (Research the company's mission, values, and recent news. Connect your skills to the role's specific challenges.)

• "How do you handle feedback and constructive criticism on your designs from stakeholders or team members?" (Emphasize your openness to iteration and collaboration.)

• "Describe a time you had to advocate for a design decision that was met with resistance." (Showcase your communication skills and ability to justify design choices with data and principles.) Portfolio Presentation Strategy:

• Select Relevant Projects: Choose 2-3 case studies that best showcase your skills for this role, emphasizing complex products, post-sales, or operational efficiency.

• Structure Your Narrative: For each case study, clearly outline: The Problem, Your Role & Responsibilities, Research & Discovery, Ideation & Design Process, Solution (with visuals), Impact & Outcomes, and Key Learnings.

• Highlight Collaboration: Mention how you worked with product managers, engineers, and other stakeholders.

• Be Prepared for Deep Dives: Anticipate questions about specific design decisions, trade-offs, and the rationale behind your choices.

📝 Enhancement Note: Candidates should be ready to articulate their design process thoroughly and demonstrate how they apply user-centered principles to solve real-world business problems within an e-commerce context. The ability to speak to systemic design and AI integration will be a significant advantage.

📌 Application Steps

To apply for this Senior UX/UI Designer position:

• Submit your application through the Mercado Libre careers portal.

• Curate Your Portfolio: Select 2-3 of your strongest case studies that align with the job description, particularly highlighting experience with complex digital products, e-commerce, or post-sales operations. Ensure your portfolio clearly demonstrates your end-to-end design process, collaboration, and impact.

• Tailor Your Resume: Update your resume to emphasize relevant experience, skills (UX/UI design, interaction design, design systems, AI integration), and achievements that match the requirements. Use keywords from the job description.

• Prepare Your Presentation: Practice walking through your portfolio case studies, focusing on clear storytelling, visual aids, and articulating your design rationale and impact. Be ready to discuss challenges and learnings.

• Research Mercado Libre: Familiarize yourself with Mercado Libre's mission, products, recent news, and company culture. Understand their position in the Latin American market and their commitment to democratizing commerce and financial services.

⚠️ 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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