Senior Product Designer

📍 Job Overview

Job Title: Senior Product Designer

Company: Aircall

Location: Madrid Office, Spain

Job Type: Permanent Full Time Employee

Category: Product Design / UX/UI Design

Date Posted: 2026-06-18

Experience Level: 5-10 Years

Remote Status: Hybrid

🚀 Role Summary

• Lead end-to-end product design for an AI-native sales platform, encompassing discovery, interaction design, and high-fidelity UI execution.

• Drive the evolution and maintenance of a scalable design system, ensuring consistency and efficiency across the product.

• Audit and systematically improve existing user experience and visual debt to elevate the overall quality bar.

• Translate complex AI concepts into intuitive and trustworthy user interfaces for sales teams.

• Collaborate closely with Product, Engineering (NextJS, Tailwind), and Leadership to define and deliver product vision.

📝 Enhancement Note: This role is positioned as a "founding designer" within a specialized New Product Unit focused on autonomous sales. The emphasis is on a self-directed, senior individual who can independently own and shape the product's user experience, with a strong focus on AI integration and rapid iteration in a startup-like environment.

📈 Primary Responsibilities

• Own the complete product design lifecycle, from initial user research and concept development to final UI implementation and interaction design for a sophisticated AI-powered sales tool.

• Proactively identify and address areas of technical debt and design inconsistencies within the existing product to enhance user experience and visual appeal.

• Conceptualize and design novel AI interactions, making them accessible, understandable, and reliable for daily use by sales professionals.

• Develop, maintain, and evolve a pragmatic and scalable design system using Figma, enabling rapid and consistent product development.

• Leverage AI tools within personal design workflows for faster prototyping, broader exploration of design directions, and accelerated task completion.

• Conduct in-depth user research, including direct client interviews, call observations, and product data analysis, to uncover critical user needs and opportunities.

• Foster a collaborative partnership with the Product Founder and engineering teams, actively contributing well-reasoned design opinions and challenging proposed solutions.

• Make strategic decisions regarding product prioritization, balancing immediate shipping needs with long-term design quality and user value.

• Work closely with frontend engineers to ensure seamless implementation of designs, maintaining fidelity and user experience integrity.

📝 Enhancement Note: The responsibilities highlight a dual focus on both immediate product improvement (fixing legacy issues) and future product innovation (designing next-gen AI experiences). The expectation is for a proactive designer who can manage multiple design streams concurrently.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's or Master's degree in Design, HCI, Computer Science, or a related field is typically expected for senior product design roles. A strong portfolio can often substitute for formal education.

Experience: 5+ years of senior product design experience, with a proven track record of shipping complex B2B/SaaS or AI-driven products.

Required Skills:

• Mastery of UX and UI design principles, with a deep understanding of best practices and patterns in complex software applications.

• Fluency in Figma, including advanced features for prototyping, collaboration, and design system management.

• Proven experience in building, scaling, and maintaining design systems.

• Ability to design effectively in ambiguous environments, particularly for novel AI interactions, data-intensive workflows, and rapidly evolving products.

• Strong command of interaction detail, visual craft, and information hierarchy to create intuitive and aesthetically pleasing interfaces.

• Experience conducting user research, including qualitative methods like interviews and usability testing, and quantitative analysis of product data.

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

• Proficiency in English. Preferred Skills:

• Experience with AI as a design material and understanding of its implications for user experience.

• Familiarity with frontend technologies such as NextJS and Tailwind CSS to facilitate closer collaboration with engineering.

• Fluency in Spanish.

• Experience in the sales technology or customer communications industry.

📝 Enhancement Note: The emphasis on "self-directed," "founder mindset," and "challenge, not just execute" indicates a need for a candidate who is not only skilled but also possesses strong initiative, strategic thinking, and the ability to influence product direction.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A comprehensive portfolio showcasing end-to-end product design ownership for complex B2B/SaaS or AI products.

• Demonstrations of UX problem-solving, user research methodologies, and how insights informed design decisions.

• Examples of interaction design, flow design, and high-fidelity UI execution that highlight attention to detail and craft.

• Case studies detailing the creation, implementation, or significant evolution of a design system.

• Specific examples of designing for AI-driven features or complex data-heavy workflows, illustrating how novel interactions were made intuitive.

• Evidence of iterative design processes, including how feedback and data were used to refine designs. Process Documentation:

• Case studies that clearly articulate the problem, your process, the solution, and the measurable impact of your design work.

• Documentation of how you identified and addressed "legacy" or "debt" in existing user experiences or visual design.

• Examples of how you have used AI tools to enhance your own design process (e.g., for prototyping, ideation, or asset generation).

• Explanation of your approach to collaborating with engineering teams and ensuring design fidelity during implementation.

📝 Enhancement Note: The portfolio is critical for this role, serving as the primary evidence of a candidate's ability to handle ambiguity, drive design vision, and deliver high-quality, impactful design solutions in a fast-paced environment.

💵 Compensation & Benefits

Salary Range: €60,000 - €80,000 annual gross per year.

Explanation of Range: This range is provided by the company for a Senior Product Designer in Madrid. It reflects a senior-level role with significant ownership in a fast-growing tech company, considering the location's cost of living and market rates for experienced design professionals. The actual salary will be determined based on a candidate's specific skills, experience, qualifications, and location.

Benefits:

• Quarterly bonus structure, rewarding performance and company achievements.

• Competitive salary package, reflecting the value placed on experienced talent.

• Comprehensive benefits package, details to be confirmed upon offer.

• Emphasis on work-life balance, promoting a sustainable and healthy work environment.

• Opportunities for fast learning and professional development within an entrepreneurial culture.

Working Hours: The provided information suggests a standard 40-hour work week, typical for full-time roles in Spain. However, the description implies a dynamic and fast-paced environment where flexibility and dedication to achieving outcomes are valued.

📝 Enhancement Note: The stated salary range is for Spain, and the company also has offices in other regions, which might have different compensation structures. The "Madrid Office" location is specified, so this range is likely tailored to that region.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology / Software / AI-powered Customer Communications Platform. Aircall is a leader in redefining customer communications by integrating voice, SMS, WhatsApp, and AI into a unified workspace, aiming to help businesses drive revenue and enhance customer support.

Company Size: Aircall is a "unicorn" company, indicating a valuation of over $1 billion. It has a significant global presence with teams across multiple continents and employs thousands of people. This size offers the stability of a well-funded organization with the agility of a tech-driven startup.

Founded: Aircall was founded in 2014, giving it over a decade of experience in the market, allowing it to build a robust product and establish a strong customer base. This history provides a foundation for rapid AI innovation.

Team Structure:

• The role is within a specialized "New Product Unit" focused on building the future of autonomous sales, with the "AI Orchestration Layer" as a core component.

• The Senior Product Designer will be the "founding designer" for this unit, implying a small, lean, and highly collaborative team structure initially.

• Close partnership is expected with the "Leadership team" and the "product founder," indicating direct access to decision-makers.

• Collaboration extends to frontend engineers (NextJS, Tailwind) and potentially other product/engineering roles within the new unit. Methodology:

• Aircall emphasizes a customer-obsessed, data-driven approach, focusing on delivering meaningful outcomes.

• Core values include ownership, continuous learning, and thoughtful speed, fostering an environment of accountability and efficient execution.

• The New Product Unit operates in a fast, lean, and obsessively accountable manner, mirroring startup principles.

• AI is central to the company's strategy and product development, with a vision for agentic AI and self-improving systems.

Company Website: https://www.aircall.io/

📝 Enhancement Note: The context of a "New Product Unit" and "founding designer" suggests a startup-like environment within a larger, established company. This offers both the excitement of building something new and the security of a successful organization.

📈 Career & Growth Analysis

Operations Career Level: This role is explicitly senior, designated as the "founding designer" for a new product initiative. It demands a high degree of autonomy, strategic input, and end-to-end ownership, placing it at the top tier of individual contributor design roles. The expectation is for someone who can act as a design leader within this specific unit.

Reporting Structure: The Senior Product Designer will partner extremely closely with the Leadership team and the Product Founder. While direct reporting lines aren't detailed, it implies a flat hierarchy within the new product unit, with significant direct access to those making strategic decisions.

Operations Impact: The designer's work will directly shape the user experience of Aircall's future autonomous sales platform. This includes influencing how thousands of sales professionals interact with AI daily, impacting revenue generation, sales efficiency, and the overall adoption of AI in sales workflows. The role has the potential for significant business impact by defining the success of a critical new product line.

Growth Opportunities:

• Design Leadership: Opportunity to establish design standards, processes, and potentially mentor future designers as the new product unit scales.

• AI Specialization: Deepen expertise in designing for AI-native products and agentic workflows, becoming a specialist in a rapidly growing field.

• Product Strategy: Contribute significantly to product strategy and roadmap decisions due to the "founding designer" and "challenge, not just execute" nature of the role.

• Career Advancement: Potential to move into senior design leadership roles within Aircall or transition into product management roles given the strategic involvement.

📝 Enhancement Note: The "founding designer" title suggests a unique opportunity for high impact and significant influence, offering accelerated growth potential beyond typical senior roles.

🌐 Work Environment

Office Type: The role is based in the "Madrid Office," indicating a hybrid work model. Aircall emphasizes a "cosmopolite & multi-cultural mindset" and a strong team spirit, suggesting a collaborative office environment.

Office Location(s): The primary specified location is the "Madrid Office." Aircall has multiple global offices, including Paris, Seattle, London, Berlin, San Francisco, New York City, Sydney, and Mexico City, indicating a global company with a strong physical presence.

Workspace Context:

• The office environment is likely to be modern and collaborative, reflecting Aircall's tech-forward culture.

• As a hybrid role, expect a mix of focused individual work (potentially remote) and collaborative sessions, brainstorming, and team meetings in the office.

• Access to design tools (Figma) and close proximity to engineering teams (NextJS, Tailwind) will be integral to the daily workflow.

• The emphasis on "thoughtful speed" and "ownership" suggests a dynamic workspace where proactive contribution and efficient communication are key.

Work Schedule: While a standard 40-hour week is implied for a full-time role, the company culture values "thoughtful speed" and "impact." This suggests a flexible approach where dedication to achieving outcomes is prioritized, potentially requiring occasional adjustments to meet project deadlines, balanced by a commitment to work-life balance.

📝 Enhancement Note: The hybrid nature of the role means candidates should be comfortable working both independently and collaboratively in an office setting, with a strong emphasis on communication and alignment across different work modes.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your resume and portfolio to assess experience, skills, and cultural fit.

• Portfolio Presentation & Discussion: A deep dive into your portfolio, where you'll present case studies of your work, explain your design process, and discuss your decision-making. Expect to demonstrate how you've tackled complex problems, improved existing products, and designed for new technologies like AI.

• Skills-Based Assessment/Challenge: You may be given a design challenge or asked to work through a problem relevant to Aircall's product, assessing your problem-solving abilities, design thinking, and speed.

• Team & Stakeholder Interviews: Meetings with the Product Founder, Engineering leads, and potentially other key stakeholders to assess collaboration style, communication skills, and strategic thinking.

• Final Interview: Likely with senior leadership to discuss overall fit, long-term vision, and potential impact.

Portfolio Review Tips:

• Structure: Organize your portfolio with clear case studies that tell a compelling story: problem, your role, process, solution, and impact.

• AI Focus: Highlight any experience designing for AI, complex data, or novel interaction patterns. Explain how you made complex concepts user-friendly.

• Process & Iteration: Showcase your problem-solving process, including user research, ideation, prototyping, and iteration based on feedback and data.

• Design System: If you've built or significantly contributed to a design system, clearly articulate its purpose, your role in its creation, and its benefits.

• Impact: Quantify the impact of your work whenever possible (e.g., improved conversion rates, increased user engagement, reduced support tickets).

• "Founding Designer" Angle: Be prepared to discuss how you would approach establishing design vision and processes in a new product initiative.

Challenge Preparation:

• Understand the Domain: Research Aircall's product, its competitors, and the challenges of AI in sales and customer communications.

• Focus on AI & Autonomy: Be ready to discuss how you would design user experiences for autonomous sales workflows and AI-driven agents.

• Trade-offs: Practice articulating how you would make trade-offs between speed, craft, and feature scope in a fast-moving environment.

• User-Centricity: Demonstrate how you would stay close to the user and use data to inform design decisions.

• Communication: Prepare to clearly articulate your thought process and design rationale under pressure.

📝 Enhancement Note: Given the "founding designer" aspect, interviewers will likely be looking for a strong strategic thinker who can not only execute but also define the design direction and processes for a new product area.

🛠 Tools & Technology Stack

Primary Tools:

• Design: Figma (Mandatory), modern design system tools.

• Prototyping: Figma's built-in prototyping capabilities, potentially others if used within the design system.

• AI-Augmented Design: Expect to utilize AI tools to enhance personal design workflows, such as for faster prototyping, ideation, or asset generation.

Analytics & Reporting:

• While not explicitly listed for the designer, expect to work with data from analytics platforms to understand user behavior and inform design decisions. This might include tools like Amplitude, Mixpanel, or internal dashboards. CRM & Automation:

• The product itself is an AI-native platform for revenue teams, which implies integration with or influence over CRM and automation processes. The designer will be working on a system that automates sales workflows, updates CRMs, and creates tasks. Frontend Technologies (Collaboration):

• NextJS: A React framework for building web applications.

• Tailwind CSS: A utility-first CSS framework for rapidly building custom designs.

📝 Enhancement Note: Proficiency in Figma and design system thinking is paramount. Familiarity with NextJS and Tailwind will be highly beneficial for seamless collaboration with the engineering team. The expectation to leverage AI in design workflows is a key differentiator.

👥 Team Culture & Values

Operations Values:

• Customer-Obsessed: Deep commitment to understanding and solving real user problems, driven by direct client interaction and data.

• Data-Driven: Decisions are informed by user data, product analytics, and measurable outcomes.

• Ownership: Individuals take full responsibility for their work and its impact, acting with a "founder" mentality.

• Continuous Learning: A culture that encourages ongoing skill development, exploration of new technologies (like AI), and adaptation.

• Thoughtful Speed: Balancing the need to move quickly and iterate with the importance of quality, craft, and strategic execution.

• Collaboration & Team Spirit: Working closely with cross-functional teams, valuing diverse perspectives, and fostering a supportive environment.

Collaboration Style:

• Cross-Functional Integration: Close partnership with Product, Engineering, and Leadership is essential. The designer is expected to challenge and collaborate, not just execute.

• Feedback Exchange: Openness to constructive feedback from peers and stakeholders, and the ability to provide it thoughtfully.

• Agile & Iterative: Working in a fast-paced, iterative manner, with frequent communication and alignment to adapt to evolving product needs.

• Proactive Communication: Keeping stakeholders informed of design progress, decisions, and potential trade-offs.

📝 Enhancement Note: The culture at Aircall, particularly within this new product unit, emphasizes proactivity, accountability, and a blend of speed with quality. The designer is expected to be a key contributor to the team's success through active participation and opinionated input.

⚡ Challenges & Growth Opportunities

Challenges:

• Designing for AI Ambiguity: Translating novel and complex AI functionalities into intuitive, trustworthy, and user-friendly interfaces for sales professionals.

• Balancing Speed and Craft: Delivering high-quality design solutions rapidly in a startup-like environment while also addressing existing technical and visual debt.

• Owning End-to-End Design: Taking full responsibility for the entire design process, from discovery to implementation, in a new and evolving product area.

• Influencing Product Direction: Acting as the primary design voice and challenging leadership to ensure the best user outcomes, requiring strong communication and strategic justification.

• Integrating AI in Personal Workflow: Mastering and effectively integrating AI tools into personal design processes to boost productivity and creativity.

Learning & Development Opportunities:

• AI Product Design Expertise: Becoming a leader in designing for AI-native applications and autonomous systems, a highly sought-after skill.

• Design System Leadership: Opportunity to build and own a significant design system from its foundational stages, setting standards for future growth.

• Strategic Product Influence: Gaining experience in shaping product strategy and roadmap as a key member of a new product initiative.

• Cross-Functional Collaboration: Deepening understanding of engineering (NextJS, Tailwind) and product development processes.

• Mentorship: Potential to mentor junior designers or contribute to the growth of the design function as the team expands.

📝 Enhancement Note: The challenges presented are significant but directly tied to the growth opportunities, offering a clear path for professional development and specialization in cutting-edge areas of product design.

💡 Interview Preparation

Strategy Questions:

• "How would you approach designing an AI-driven feature that automates lead qualification for sales reps?" (Focus on user needs, AI interaction, data input/output, and potential user trust issues.)

• "Describe a time you had to significantly improve the UX of an existing product with a lot of legacy debt. What was your process and what were the results?" (Highlight your ability to audit, prioritize, and implement improvements without halting momentum.)

• "How do you ensure a design system remains scalable and practical while supporting rapid iteration and new feature development?" (Discuss your philosophy on design systems, governance, and collaboration.)

• "Given Aircall's vision for autonomous sales, how would you translate the concept of 'agentic workflows' into tangible user interfaces?" (Focus on clarity, control, and user understanding of AI actions.) Company & Culture Questions:

• "How do you stay customer-obsessed when working on a product that is rapidly evolving with new technology like AI?" (Emphasize your methods for user research and validation.)

• "Describe your experience working in a fast-paced, lean, or startup-like environment. How do you handle ambiguity and make trade-offs?" (Showcase your founder mindset and decision-making abilities.)

• "How do you approach challenging stakeholders or leadership with your design opinions, and how do you handle disagreements?" (Demonstrate your ability to defend your design rationale constructively.) Portfolio Presentation Strategy:

• Narrative: For each case study, tell a compelling story about the problem, your role, the user, your design process, the solutions you explored, and the impact of your work.

• Focus on AI: If you have AI-related projects, make them prominent. Explain the unique challenges of designing for AI and how you addressed them.

• Design System Example: Be ready to walk through elements of a design system you've worked on, explaining its structure and benefits.

• Process Visualization: Use wireframes, user flows, prototypes, and high-fidelity mockups to illustrate your journey from concept to final design.

• Trade-off Discussion: Be prepared to discuss specific design decisions where you had to make trade-offs between different factors (e.g., speed vs. polish, feature scope vs. user simplicity).

📝 Enhancement Note: Prepare to discuss not just what you designed, but why. Interviewers will be assessing your strategic thinking, problem-solving skills, and ability to articulate complex design concepts clearly.

📌 Application Steps

To apply for this Senior Product Designer position:

• Submit your application through the provided Lever link: https://jobs.lever.co/aircall/cce487d3-5e51-45c8-b38d-a84cb54ee81a

• Curate Your Portfolio: Ensure your portfolio prominently features B2B/SaaS or AI product design examples, showcasing end-to-end ownership, design system contributions, and experience with complex or ambiguous problems. Tailor it to highlight relevant case studies.

• Optimize Your Resume: Highlight your 5+ years of senior product design experience, specific achievements in UX/UI, Figma proficiency, design system work, and any experience with AI products or fast-paced environments. Use keywords from the job description.

• Prepare Your Presentation: Practice presenting 2-3 key portfolio case studies, focusing on your process, decision-making, and the impact of your work. Be ready to discuss your approach to AI design and design systems.

• Research Aircall: Understand Aircall's product, its mission, its customer base, and its recent AI initiatives. Familiarize yourself with their company values and culture to articulate your fit.

⚠️ 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.