Senior Product Designer

📍 Job Overview

Job Title: Senior Product Designer

Company: 99x Brazil (formerly Nextly)

Location: São José dos Campos, Sao Jose dos Campos, Brazil

Job Type: FULL_TIME

Category: Product Design / UX/UI Operations

Date Posted: 2026-06-24T17:21:08.669

Experience Level: 5-10 years

Remote Status: Fully Remote

🚀 Role Summary

• Spearhead the design and iteration of user interfaces across web, mobile, and email platforms, ensuring a cohesive and high-quality user experience.

• Lead complex workflow modeling for multi-role, multi-data systems, optimizing user journeys and operational efficiency.

• Develop and maintain a robust design system, guaranteeing consistency and scalability across all product surfaces.

• Leverage AI tools and data analytics (Mixpanel, Gong) to rigorously investigate user behavior, inform design decisions, and accelerate the design-to-prototype cycle.

• Drive product outcomes through a data-informed approach, focusing on measurable improvements in user task success, feature adoption, and overall user engagement.

📝 Enhancement Note: This role is positioned as a Senior Product Designer, indicating a need for significant autonomy and strategic input. The emphasis on AI-augmented workflows, complex system modeling, and ownership of outcomes points towards a role that requires not just execution but also proactive problem-solving and process innovation within the design function, aligning closely with GTM and operations principles.

📈 Primary Responsibilities

• Design, validate, and iteratively refine user interfaces for web, mobile, and email applications using Figma.

• Lead the modeling of complex workflows across systems involving multiple user roles and data inputs, ensuring seamless user interaction and data integrity.

• Create, maintain, and evolve the company's design system, ensuring brand consistency, scalability, and efficient component reuse across all product touchpoints.

• Author clear, unambiguous design specifications, including detailed flows, logic, states, and edge case handling, to facilitate efficient engineering implementation.

• Utilize analytics tools such as Mixpanel and Gong to investigate user behavior patterns, identify friction points, and inform data-driven design decisions.

• Conduct user research through interviews, analysis of call recordings (Gong), and internal stakeholder conversations to gather deep user insights.

• Proactively integrate AI tools (Figma AI, Claude, LLM-assisted workflows) to compress design cycles, synthesize research findings, and accelerate the prototyping process.

• Perform a comprehensive design audit during the onboarding phase to identify and prioritize opportunities for UX/UI improvements and operational efficiency gains.

• Collaborate closely with Engineering, Product Management, Customer Success, and Sales teams to align design efforts with business objectives and user needs.

• Take full ownership of design outcomes, ensuring that deliverables not only meet aesthetic and usability standards but also drive measurable business impact.

• Bring AI into the design process proactively, demonstrating clear time savings and quality improvements through innovative workflows.

• Build and document repeatable AI-augmented design workflows for spec creation, research synthesis, and iterative design improvements.

📝 Enhancement Note: The responsibilities highlight a strong emphasis on process ownership and efficiency, particularly through AI integration and robust design system management. This suggests that candidates will be evaluated not just on their design output but also on their ability to systematize and optimize the design process itself.

🎓 Skills & Qualifications

Education: Not specified, but a Bachelor's degree in Design, HCI, Computer Science, or a related field is typically expected for senior roles.

Experience: 5+ years of product design experience in B2B SaaS or data-heavy software environments, with a proven track record of owning design across an entire product or platform.

Required Skills:

• Expert-level proficiency in Figma, including advanced use of component libraries, auto layout, and complex prototyping.

• Strong UX systems thinking capabilities, with the ability to model intricate workflows involving logic, states, and dependencies.

• Proven ability to synthesize diverse inputs—customer research, analytics data, and qualitative feedback—into actionable product design decisions.

• Demonstrated ability to write clear, implementation-ready design specifications for engineering teams.

• Experience using AI tools as a daily workflow accelerator (e.g., Figma AI, Claude, LLM-assisted design, Gong synthesis).

• Data-driven decision-making skills, with comfort in analyzing funnels, dashboards, and KPIs using tools like Mixpanel or Amplitude.

• Advanced English language proficiency for effective communication with international stakeholders.

• Experience as a solo or primary designer responsible for the end-to-end design of a product or platform. Preferred Skills:

• Experience in sustainability, decarbonization, or related mission-driven industries.

• Familiarity with user research methodologies beyond interviews, such as usability testing and card sorting.

• Experience with other design and prototyping tools.

• Understanding of front-end development principles to facilitate better collaboration with engineers.

📝 Enhancement Note: The emphasis on "solo or primary designer owning design across an entire product or platform" implies a need for a broad skill set and the ability to manage design initiatives with minimal oversight, a common requirement in fast-paced B2B SaaS environments.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 3-5 B2B SaaS or data-heavy product design case studies, demonstrating end-to-end ownership from problem definition to final implementation and impact.

• Highlight complex workflow modeling, illustrating how you’ve designed for multi-role, multi-data systems with clear logic, states, and dependencies.

• Include examples of your contribution to or creation of design systems, detailing component structure, usage guidelines, and impact on consistency and efficiency.

• Present clear documentation of your design process, including research synthesis, ideation, wireframing, prototyping, user testing, and iteration.

• Demonstrate the use of data and analytics (e.g., Mixpanel, Amplitude) to inform design decisions and measure the impact of your work.

• Feature examples of AI-augmented design workflows, detailing how AI tools were used to accelerate design cycles, improve efficiency, or enhance design quality. Process Documentation:

• Provide evidence of your ability to write detailed, implementation-ready design specifications for engineers, covering flows, logic, states, and edge cases.

• Showcase examples of design audits and how you identified and prioritized opportunities for improvement within existing products.

• Illustrate your approach to cross-functional collaboration, detailing how you worked with Product, Engineering, Sales, and CS to gather requirements and align on priorities.

• Document your experience in synthesizing user research and call recording data into actionable design insights and product improvements.

📝 Enhancement Note: Given the role's emphasis on AI and complex systems, portfolios should explicitly detail the candidate's process for integrating AI into their workflow and how they approached complex system design challenges. Demonstrating measurable impact through metrics is crucial.

💵 Compensation & Benefits

Salary Range: Based on the role's seniority (Senior Product Designer), 5+ years of experience, and the requirement for advanced English skills in Brazil, a competitive salary range is estimated. For São José dos Campos, Brazil, a Senior Product Designer with this profile could expect a gross annual salary between R$ 120,000 and R$ 200,000 (approximately USD $22,000 - $37,000), depending on experience, specific skill set, and the company's compensation structure. This is a rough estimate; actual compensation will vary.

Benefits:

• Employment Flexibility: Choice between CLT (Brazilian employment regime), PJ (Contractor), or Cooperativa employment models.

• Professional Development: Access to online courses and mentoring programs to foster career growth and skill enhancement.

• Equipment: Provision of latest-generation laptops and high-quality ultra-wide IPS panel monitors to ensure optimal productivity.

• Work Environment: Fully remote work setup with flexible working hours, promoting work-life balance.

• Referral Program: Bonus incentives for successful employee referrals.

Working Hours: 40 hours per week, with flexible working hours to accommodate personal schedules and optimize productivity.

📝 Enhancement Note: Salary estimation for Brazil requires local market research. The range provided reflects typical compensation for senior tech roles in a major Brazilian tech hub like São Paulo state, with consideration for the remote nature and B2B SaaS focus. The employment model flexibility is a significant benefit in the Brazilian market.

🎯 Team & Company Context

🏢 Company Culture

Industry: Software Development, Technology Solutions, with a specific focus on sustainability and decarbonization initiatives through their client's product, Enertiv.

Company Size: 99x Brazil is part of a larger organization that develops tech solutions across North America and Europe. While the exact size of the 99x Brazil team isn't specified, their client (Enertiv) is described as having a dynamic team. The focus on delivering high-quality, scalable tech solutions suggests a professional and results-oriented environment.

Founded: 99x Brazil (formerly Nextly) has been operating, and their client, Enertiv, is focused on sustainability. The emphasis on innovation and client success points to a forward-thinking culture.

Team Structure: The Senior Product Designer will work within a client's team (Enertiv), collaborating closely with C-level executives, engineers, Product Managers, Customer Success, and Sales stakeholders. This suggests a flat or matrixed organizational structure where cross-functional collaboration is key, and direct interaction with leadership is common.

Methodology: The company emphasizes a data-informed and AI-accelerated design process. This includes:

• Data Analysis & Insights: Utilizing tools like Mixpanel and Gong to investigate user behavior and synthesize qualitative feedback.

• Workflow Planning & Optimization: Designing and modeling complex workflows, and using AI to streamline design cycles.

• Automation & Efficiency: Proactively integrating AI into design tasks to achieve measurable time savings and quality improvements.

Company Website: https://jobs.workable.com/company/o46v8cTo8oqXp2WFZKR6o5/jobs-at-99x-brazil-(formerly-nextly) (for 99x Brazil), and likely a separate site for their client, Enertiv, which focuses on sustainability and decarbonization.

📝 Enhancement Note: The company description provided is for 99x Brazil, which is a software development company acting as a service provider for clients like Enertiv. The role will be embedded within the client's team, so understanding Enertiv's mission and product is crucial. The "sustainability, decarbonization" mention is a key cultural differentiator.

📈 Career & Growth Analysis

Operations Career Level: This role is at a Senior level within Product Design, specifically focusing on UX/UI operations and GTM enablement through effective product design. It’s an individual contributor role with significant ownership and strategic influence over the product's user experience and operational efficiency.

Reporting Structure: The Senior Product Designer will collaborate closely with C-level executives, engineers, Product Managers, Customer Success, and Sales. The direct reporting line is not explicitly stated but would likely be to a Head of Product, Design Lead, or a senior Product Manager within the client organization (Enertiv).

Operations Impact: The designer's impact is directly tied to the usability, adoption, and efficiency of the client's product (Enertiv). By creating clear interfaces, optimizing complex workflows, and leveraging data-driven insights, the designer contributes to increased user task success, faster engineering cycles, improved customer satisfaction, and ultimately, greater revenue potential for the client through enhanced product value. The focus on sustainability and decarbonization also implies an impact on environmental goals.

Growth Opportunities:

• Specialization: Deepen expertise in AI-augmented design workflows, complex B2B SaaS systems, and sustainability tech.

• Leadership: Potential to lead design initiatives, mentor junior designers, and influence product strategy as a subject matter expert.

• Skill Expansion: Gain experience in areas like product management, data analytics, and cross-functional team leadership through close collaboration.

• Industry Impact: Contribute to a mission-driven company focused on sustainability, offering a unique career path for designers interested in impactful technology.

📝 Enhancement Note: The "operations" aspect in this context relates to how the design function streamlines product development, enhances user adoption, and contributes to overall business efficiency and GTM success, rather than traditional Revenue or Sales Operations roles.

🌐 Work Environment

Office Type: Fully remote. This implies a distributed team environment where asynchronous communication and self-discipline are paramount.

Office Location(s): While the job is posted in São José dos Campos, Brazil, and the company has a presence there, the role is designated as "TELECOMMUTE" and "Fully Remote." This means the employee can work from any location within Brazil, with a preference or requirement for proximity to the São José dos Campos timezone (America/Sao_Paulo) for collaboration purposes.

Workspace Context:

• Collaborative Environment: The role requires constant collaboration with cross-functional teams (Engineering, Product, CS, Sales) in a remote setting. This necessitates strong communication skills, proactive engagement, and proficiency with remote collaboration tools.

• Tools & Technology: Access to high-end equipment (latest-gen laptops, ultra-wide monitors) and advanced software (Figma, Mixpanel, Gong, AI tools) is provided, indicating a commitment to equipping employees for efficient and high-quality work.

• Team Interaction: Opportunities for team interaction will likely be through virtual meetings, Slack channels, and project management platforms. Building rapport and fostering a strong team dynamic in a remote setting will be key.

Work Schedule: Flexible working hours are offered within a standard 40-hour work week. This allows for personal schedule optimization but requires careful management to ensure availability for critical cross-functional meetings and collaboration during core business hours in the São Paulo timezone.

📝 Enhancement Note: The "remote" designation is crucial. While listed for São José dos Campos, the "TELECOMMUTE" type and "Fully Remote" status indicate that the physical location within Brazil is less critical than the ability to collaborate effectively within the specified timezone.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your resume and portfolio to assess experience, skills, and alignment with the role's requirements, particularly in B2B SaaS and AI-augmented design.

• Technical Interview(s): Focused discussions on your design process, UX systems thinking, Figma expertise, and experience with data analytics tools. Expect to walk through specific case studies from your portfolio.

• Design Challenge/Exercise: You may be given a design problem to solve within a time limit, or asked to critique an existing design, demonstrating your problem-solving approach and ability to articulate design decisions. This could involve AI integration.

• Cross-functional Stakeholder Interviews: Meetings with Product Managers, Engineers, and potentially Sales/CS leads to assess collaboration style, communication skills, and understanding of business objectives.

• Hiring Manager/C-Level Interview: A final discussion to assess cultural fit, ownership mentality, interest in the company's mission (sustainability), and overall senior-level strategic thinking.

Portfolio Review Tips:

• Curate Strategically: Select 3-5 of your strongest B2B SaaS or data-heavy case studies that best showcase your end-to-end design process, complex workflow modeling, and AI integration.

• Quantify Impact: For each case study, clearly articulate the problem, your role, the process you followed, the solutions you designed, and – most importantly – the measurable outcomes (e.g., improved task completion rates, reduced cycle times, increased feature adoption, ROI).

• Showcase AI Integration: Detail how you leveraged AI tools (Figma AI, Claude, LLM workflows) in your process. Explain the specific benefits achieved (e.g., faster ideation, better synthesis, reduced iteration time).

• Highlight Systems Thinking: Use diagrams and clear explanations to demonstrate your ability to model complex systems, logic, and dependencies.

• Explain Design System Contributions: If you worked on or created a design system, show its components, explain your rationale, and discuss its impact on efficiency and consistency.

• Be Ready to Discuss: Prepare to verbally walk through your portfolio projects, answering questions about your decision-making process, trade-offs you made, and how you collaborated with stakeholders.

Challenge Preparation:

• Understand the Context: If given a challenge, ensure you fully grasp the problem statement, the target users, and the business goals.

• Embrace AI: Consider how AI tools could be incorporated into your solution or process for the challenge, even if not explicitly requested.

• Focus on Process: Demonstrate a structured approach to problem-solving, even if you don't complete every aspect of the challenge. Articulate your thought process clearly.

• Prioritize: If time is limited, focus on the most critical aspects of the design problem and clearly state what you would do next if given more time.

📝 Enhancement Note: The emphasis on AI, complex systems, and measurable outcomes means candidates should prepare to showcase these specific capabilities prominently in their portfolio and during interviews.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Expert-level proficiency required for UI design, prototyping, component libraries, and auto layout. This will be the primary tool for all design deliverables.

• AI Tools: Daily use of AI tools such as Figma AI, Claude, and other LLM-assisted workflows for accelerating design specs, research synthesis, and prototyping.

• Design Systems: Experience in creating, maintaining, and utilizing design systems for consistency and scalability.

Analytics & Reporting:

• Mixpanel / Amplitude: Proficiency in using these product analytics tools to investigate user behavior, track KPIs, and inform data-driven design decisions.

• Gong / Chorus (or similar): Experience in synthesizing call recordings and internal conversations to extract user insights and identify design opportunities.

CRM & Automation:

• While not explicitly listed as a primary design tool, understanding how design impacts CRM and automation workflows (e.g., lead capture forms, user onboarding sequences) is beneficial. Familiarity with how products integrate with broader business systems is a plus.

📝 Enhancement Note: The explicit mention of AI tools and specific analytics platforms (Mixpanel, Gong) indicates a strong requirement for candidates to be hands-on with these technologies and demonstrate their application in the design process.

👥 Team Culture & Values

Operations Values:

• Data-Driven: Decisions are informed by user behavior analytics, research insights, and measurable outcomes.

• Efficiency & Automation: Proactive adoption of AI and streamlined processes to accelerate design cycles and improve quality.

• Ownership & Accountability: Taking full responsibility for design outcomes and their impact on business goals.

• Collaboration: Working closely and effectively with cross-functional teams to achieve shared objectives.

• Mission-Oriented: Genuine interest and commitment to sustainability, decarbonization, and the company's mission.

Collaboration Style:

• Cross-functional Integration: Seamless collaboration with Engineering, Product, Sales, and CS, ensuring design efforts are aligned with broader business strategies and user needs.

• Proactive Communication: Regular and clear communication in a remote setting, utilizing tools like Slack and virtual meetings effectively.

• Feedback Exchange: Openness to giving and receiving constructive feedback to continuously improve designs and processes.

• AI Integration: A willingness to explore and implement AI-assisted workflows collaboratively, sharing best practices and learnings.

📝 Enhancement Note: The "mission-driven" aspect is a significant cultural value. Candidates should demonstrate an understanding of and alignment with the company's focus on sustainability and decarbonization.

⚡ Challenges & Growth Opportunities

Challenges:

• AI Integration Maturity: Effectively leveraging AI tools in a practical, impactful way that goes beyond superficial use, demonstrating tangible improvements in speed and quality.

• Complex System Design: Designing intuitive user experiences for intricate, data-heavy B2B SaaS products with multiple user roles and dependencies.

• Remote Collaboration: Maintaining strong collaboration, communication, and alignment across distributed teams and diverse stakeholders.

• Balancing Design & Operations: Effectively bridging the gap between creative design execution and the operational realities of engineering implementation, data analysis, and business objectives.

• Measuring Impact: Quantifying the direct impact of design decisions on user behavior, feature adoption, and business KPIs, especially within a complex B2B context.

Learning & Development Opportunities:

• Advanced AI in Design: Deepen expertise in cutting-edge AI tools and methodologies for design.

• Sustainability Tech: Gain specialized knowledge and experience in the growing field of sustainability and decarbonization technology.

• Product Strategy: Influence product direction and strategy through impactful design contributions and close collaboration with leadership.

• Cross-functional Acumen: Develop a deeper understanding of engineering, product management, sales, and customer success operations.

• Leadership Potential: Opportunity to lead design initiatives, mentor junior team members, and potentially move into design leadership roles.

📝 Enhancement Note: The role presents a unique opportunity to blend cutting-edge design practices (AI) with a mission-driven purpose (sustainability), offering a distinct growth path for ambitious designers.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex B2B SaaS workflow you designed. How did you approach modeling the logic, states, and dependencies, and what was the outcome?" (Focus on systems thinking, process documentation)

• "How have you integrated AI tools into your design process? Provide a specific example where AI accelerated your workflow or improved design quality, and what were the measurable results?" (Focus on AI integration, impact measurement)

• "Walk me through a time you had to synthesize conflicting feedback from multiple stakeholders (e.g., Engineering, Product, Sales). How did you navigate this, and what was the resolution?" (Focus on collaboration, stakeholder management)

• "Imagine you are tasked with designing a new feature for Enertiv. What would be your first steps, and how would you use data and user research to inform your design?" (Focus on data-driven design, user research methodology) Company & Culture Questions:

• "What interests you about Enertiv's mission in sustainability and decarbonization?" (Focus on mission alignment, cultural fit)

• "How do you approach maintaining a consistent design system in a remote, fast-paced environment?" (Focus on design systems, remote collaboration)

• "Describe your ideal collaboration dynamic with engineers and product managers." (Focus on team dynamics, cross-functional collaboration)

• "How do you measure the success of your design work beyond aesthetics?" (Focus on impact measurement, KPIs) Portfolio Presentation Strategy:

• Storytelling: Frame each case study as a narrative: the problem, your journey to the solution, the challenges overcome, and the ultimate impact.

• Visual Clarity: Use high-quality visuals, clear diagrams, and concise text to explain your process and solutions. Ensure your Figma expertise is evident.

• Quantify Everything: Be prepared to discuss specific metrics, data points, and ROI achieved through your design work.

• Demonstrate AI & Systems: Explicitly call out where and how you used AI tools and how you approached complex system modeling.

• Engage Your Audience: Make it a conversation, not a lecture. Be ready to answer questions thoughtfully and demonstrate your problem-solving approach in real-time.

📝 Enhancement Note: Candidates should prepare to speak extensively about their experience with AI in design, complex system modeling, and quantifying the business impact of their work. Demonstrating a proactive and ownership-oriented mindset will be key.

📌 Application Steps

To apply for this Senior Product Designer position:

• Submit your application through the provided Workable link, ensuring all required fields are completed accurately.

• Curate and Refine Your Portfolio: Select your most impactful B2B SaaS or data-heavy case studies, explicitly detailing your AI integration, complex system design, and quantifiable outcomes. Ensure your Figma proficiency is evident.

• Tailor Your Resume: Highlight your 5+ years of experience, expert-level Figma skills, AI tool usage, data analysis proficiency, and any experience with sustainability-focused products. Use keywords such as "Product Design," "UX/UI," "Design Systems," "B2B SaaS," "AI-Augmented Design," "Figma," "Mixpanel," and "Gong."

• Prepare Your Narrative: Practice articulating your design process, problem-solving approach, and the impact of your work, especially focusing on AI-augmented workflows and complex systems. Be ready to discuss your interest in sustainability.

• Research the Company: Familiarize yourself with 99x Brazil's services and, more importantly, their client Enertiv's mission, product, and industry focus on sustainability and decarbonization.

⚠️ 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.