Senior Product Designer

📍 Job Overview

Job Title: Senior Product Designer

Company: Kolsquare

Location: Paris, France (Remote OK, Europe-based)

Job Type: Full-Time

Category: Product Design (UX/UI)

Date Posted: 2026-06-01

Experience Level: 5-10 Years

Remote Status: Fully Remote (Europe-based)

🚀 Role Summary

• Lead the end-to-end product design process, from concept ideation and user research to final delivery and iteration, ensuring alignment with business objectives and technical constraints.

• Develop intuitive and visually appealing user interfaces (UI) and seamless user experiences (UX) that embody Kolsquare's brand identity and meet the highest standards of excellence.

• Drive the evolution and maintenance of Kolsquare's design system, promoting consistency, efficiency, and scalability across all product touchpoints.

• Collaborate closely with Product Managers, Engineers, and Data teams to translate complex user needs and business requirements into elegant, actionable design solutions.

• Utilize data insights and user feedback to inform design decisions, optimize user flows, and measure the impact of design initiatives on key business metrics.

📝 Enhancement Note: This role focuses on a Senior Product Designer within a B2B SaaS company specializing in Influencer Marketing technology. The emphasis is on owning the design process, strong UX/UI skills, and leveraging data and a design system. The role is fully remote within Europe, with a strong emphasis on collaboration and driving user-centered design practices.

📈 Primary Responsibilities

• Spearhead user research initiatives, including interviews, surveys, and usability testing, to deeply understand user needs, pain points, and behaviors within the Creator Economy and Influencer Marketing landscape.

• Create comprehensive user journey maps, wireframes, and interactive prototypes to visualize complex user flows and test design concepts effectively before development.

• Design high-fidelity mockups and pixel-perfect interfaces that are not only aesthetically pleasing but also highly functional, accessible, and consistent with Kolsquare's established brand guidelines and design system.

• Actively contribute to and maintain Kolsquare's design system, ensuring components are well-documented, reusable, and scalable to support rapid product development cycles.

• Partner with Product Managers to define product roadmaps, prioritize features, and translate strategic goals into well-defined design specifications.

• Collaborate with Engineering teams throughout the development lifecycle to ensure design integrity, provide necessary assets, and troubleshoot implementation challenges.

• Facilitate design thinking workshops and brainstorming sessions with cross-functional teams to foster innovation and collective problem-solving.

• Present design concepts, research findings, and rationale clearly and persuasively to stakeholders at all levels, including executive leadership.

• Champion a user-centric design culture across the organization, advocating for user needs and promoting best practices in UX/UI design.

• Leverage analytics and performance data to identify areas for design improvement and measure the success of implemented features against user and business KPIs.

📝 Enhancement Note: The responsibilities highlight a blend of strategic design leadership and hands-on execution. The emphasis on user research, journey mapping, and prototyping signifies a deep commitment to user-centered design. Contribution to the design system and cross-functional collaboration are key operational aspects of this role.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong portfolio demonstrating equivalent practical knowledge and experience in Product Design is paramount. A Bachelor's or Master's degree in Design, HCI, Computer Science, or a related field can be beneficial.

Experience: Minimum of 5 years of progressive experience in Product Design, with a proven track record of successfully delivering end-to-end design solutions for B2B SaaS products, marketplaces, CRMs, or similar technology platforms.

Required Skills:

• Extensive experience in User Experience (UX) and User Interface (UI) design principles and best practices.

• Proficient in using design and prototyping tools, with a strong emphasis on Figma for collaborative design workflows.

• Proven ability to conduct user research, including user interviews, usability testing, and persona development.

• Expertise in creating detailed user journey maps, wireframes, and interactive prototypes.

• Experience in developing and maintaining design systems, ensuring consistency and scalability.

• Strong understanding of the Creator Economy and Influencer Marketing space, including the workflows and business models of influencers and content creators.

• Experience working within a B2B SaaS environment.

• Excellent communication, presentation, and interpersonal skills, with the ability to articulate design decisions to technical and non-technical stakeholders.

• Ability to work proactively and manage multiple projects in a fast-paced, dynamic environment.

Preferred Skills:

• Prior experience specifically in Influencer Marketing platforms or Martech solutions.

• Familiarity with AI tools to accelerate research and prototyping processes.

• Experience with data analysis tools and leveraging analytics for design decision-making.

• Understanding of web accessibility standards and best practices.

• Experience contributing to or leading design workshops and cross-functional collaboration sessions.

📝 Enhancement Note: The requirements emphasize a senior-level individual who can operate autonomously and strategically. The specific mention of Figma, B2B SaaS, and the Creator Economy are critical keywords. The preference for AI tool usage and Martech experience indicates a forward-thinking approach to design tools and domain knowledge.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A comprehensive portfolio showcasing end-to-end product design projects, demonstrating ownership from initial user research and problem definition through wireframing, prototyping, high-fidelity UI design, and finally, shipped products.

• Case studies that clearly articulate the problem being solved, the user needs identified, the design process undertaken, the rationale behind key design decisions, and the measurable impact (e.g., increased conversion rates, improved user satisfaction, efficiency gains) of the final solution.

• Examples of contributions to or creation of design systems, illustrating how consistency and scalability were achieved.

• Visual examples of wireframes, user flows, interactive prototypes, and polished UI designs that highlight attention to detail and aesthetic sensibility.

Process Documentation:

• Demonstrations of how user research findings and data analytics were integrated into the design process to inform decisions and validate hypotheses.

• Examples of iterative design processes, showing how feedback was incorporated to refine solutions.

• Documentation of how design solutions were tested for usability and effectiveness.

• Evidence of contributions to workflow optimization through intuitive and efficient design solutions.

📝 Enhancement Note: For a Senior Product Designer role, the portfolio is paramount. It needs to go beyond just showcasing beautiful interfaces and must demonstrate a strategic approach to problem-solving, user advocacy, and measurable business impact, supported by clear documentation of the design process and system contributions.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for Senior Product Designers with 5-10 years of experience in a European tech scale-up, and considering Kolsquare's commitment to a market-linked package not based on location, the estimated annual salary range is €65,000 - €90,000. This range can vary based on the candidate's specific experience, skills, and the final negotiation.

Benefits:

• Full Remote Work: Freedom to work from anywhere within Europe.

• Global Coworking Access: Access to over 400 coworking spaces worldwide, offering flexibility and networking opportunities.

• In-Person Gatherings: Monthly and quarterly in-person events for team building and collaboration with fellow Kolsquarians.

• Market-Linked Salary Package: Competitive compensation benchmarked against the market, independent of geographical location.

• Continuous Training: Opportunities for ongoing professional development and skill enhancement.

• Career Development Support: Guidance and resources to support career growth and advancement within the company.

• B-Corp Culture: A mission-driven environment focused on positive societal impact alongside business growth.

Working Hours: The role is full-time, typically aligning with a standard 40-hour work week. Given the fully remote nature and international team, flexibility in working hours is expected, with core collaboration times likely to be established to facilitate communication across different European time zones.

📝 Enhancement Note: Salary estimation is based on typical Senior Product Designer compensation in European tech markets, adjusted for a remote-first, European scope, and Kolsquare's stated policy of location-agnostic, market-linked compensation. The benefits package strongly supports a remote and flexible work lifestyle.

🎯 Team & Company Context

🏢 Company Culture

Industry: Influencer Marketing Technology (Martech), B2B SaaS. Kolsquare operates in a rapidly growing digital marketing sector, leveraging Big Data, AI, and Machine Learning to help brands connect with Key Opinion Leaders (KOLs). The company is part of the larger team.blue group, providing stability and resources while maintaining a scale-up agility.

Company Size: Kolsquare is a growing scale-up, part of a larger group. This size implies a dynamic environment where individual contributions are highly visible and impactful, with opportunities to shape processes and product direction. It balances the innovation of a startup with the resources of an established entity.

Founded: Kolsquare was founded with a mission to democratize Influencer Marketing and has since achieved significant growth, becoming a leader in Europe. Its B-Corp certification in 2024 underscores a commitment to social and environmental responsibility alongside profit.

Team Structure:

• The design team consists of 4 individuals: 3 permanent designers and 1 part-time freelancer.

• The Senior Product Designer reports directly to the Chief Product Officer (CPO).

Methodology:

• Data-Driven Design: Utilizing Big Data, AI, and Machine Learning insights to inform product development and design decisions.

• User-Centric Approach: Prioritizing user needs and experiences throughout the design and development lifecycle, as evidenced by the B-Corp mission and focus on empowering users.

• Agile Product Development: Working within a fast-paced scale-up environment that likely employs agile methodologies for rapid iteration and delivery.

• Design System Adoption: Implementing and maintaining a robust design system to ensure consistency, efficiency, and scalability of the product.

Company Website: https://www.kolsquare.com/en

📝 Enhancement Note: The company culture is a blend of innovation, user focus, and social responsibility (B-Corp). The team structure suggests a focused product development environment where designers play a crucial role in shaping the user experience, directly influencing the company's success in the competitive Martech landscape.

📈 Career & Growth Analysis

Operations Career Level: This is a Senior Product Designer role, signifying a mid-to-senior level position within the design function. It requires a high degree of autonomy, strategic thinking, and the ability to mentor or guide more junior designers. The role is expected to own significant product areas and contribute to design strategy.

Reporting Structure: The Senior Product Designer reports to the Chief Product Officer (CPO). This direct line to executive leadership provides visibility and influence over product strategy and design direction. Collaboration will be extensive with Product Managers and Engineers, forming a core product team.

Operations Impact: The Senior Product Designer has a direct impact on Kolsquare's success by creating user experiences that drive customer acquisition, retention, and satisfaction. By translating complex influencer marketing workflows into intuitive tools, the designer directly contributes to the platform's value proposition and competitive edge. They will influence product strategy through user insights and design innovation, impacting revenue and market position.

Growth Opportunities:

• Design Leadership: Potential to grow into a Lead Product Designer or Design Manager role as the team expands, taking on more strategic oversight and team management responsibilities.

• Specialization: Deepen expertise in specific areas of the Creator Economy or Martech, becoming a subject matter expert within the company.

• Cross-Functional Mobility: Opportunities to gain broader product management or strategy experience by working closely with those teams.

• Skill Development: Continuous learning through company-provided training, workshops, and exposure to cutting-edge technologies like AI in design.

• Impactful Projects: Opportunity to lead design on major new features or product initiatives that have a significant business impact.

📝 Enhancement Note: The Senior level implies a significant scope of responsibility and influence. Growth paths are likely towards leadership within design or broader product strategy roles, leveraging the unique domain expertise gained at Kolsquare. The reporting structure to the CPO is a strong indicator of the role's importance.

🌐 Work Environment

Office Type: The role is fully remote, offering significant flexibility. While there are no mandatory office days, Kolsquare provides access to over 400 coworking spaces worldwide, allowing for a professional workspace and networking opportunities outside of a traditional office setting. Regular in-person gatherings are organized to foster team cohesion.

Office Location(s): While the role is remote-based within Europe, Kolsquare organizes in-person meetups. The company headquarters are in Paris, France, and they are part of the team.blue group, which has a broad European presence. Employees can leverage a global network of coworking spaces.

Workspace Context:

• Flexibility: A fully remote setup allows individuals to create a personalized and comfortable workspace aligned with their productivity needs.

• Collaboration Tools: Expect to utilize modern digital collaboration platforms (e.g., Slack, Miro, Figma) for seamless communication and co-creation with distributed teams.

• Community Building: While remote, the company actively fosters a sense of community through regular virtual and in-person events, counteracting potential isolation.

• Access to Resources: The provision of coworking space access offers an alternative to home-based work, providing a professional environment when desired.

Work Schedule: The role is full-time, with an expected 40-hour work week. Flexibility is key, allowing individuals to adapt their schedules to their personal needs and time zones, provided they can effectively collaborate with colleagues across Europe. Core hours for team collaboration will likely be established.

📝 Enhancement Note: The work environment is designed for maximum flexibility, catering to a remote-first European workforce. The emphasis on in-person events and coworking access highlights an effort to balance remote work benefits with fostering team connection and providing professional amenities.

📄 Application & Portfolio Review Process

Interview Process:

• Intro Call with CPO (Michella Saliby): An initial screening to assess overall fit, motivation, and alignment with Kolsquare's mission and values. Be prepared to discuss your career trajectory and interest in Influencer Marketing/Martech.

• Peer Interview: Interviews with members of the product, design, and engineering teams. This stage will likely involve deeper dives into your technical skills, design process, and collaboration style. Be ready to discuss specific projects and how you've worked with these functions.

• Case Study: A practical exercise designed to evaluate your problem-solving skills, design methodology, and ability to deliver a high-quality output under a defined scope. This will likely involve a hypothetical design challenge relevant to Kolsquare's platform.

• Final Interview with CEO (Quentin): A high-level discussion to assess strategic thinking, cultural fit, and long-term potential within the company. Focus on your vision for design's role in business growth.

• Reference Checks: Standard verification of your professional background and performance.

Portfolio Review Tips:

• Curate Strategically: Select 2-3 of your strongest end-to-end projects that best demonstrate your skills relevant to B2B SaaS, UX/UI, and ideally, the Creator Economy or Martech.

• Tell a Story: For each project, clearly outline the problem, your role, the process you followed (research, ideation, design, testing), your key decisions and rationale, and the measurable outcomes achieved. Quantify impact whenever possible (e.g., "increased user engagement by X%", "reduced task completion time by Y%").

• Highlight Key Skills: Ensure your portfolio explicitly showcases your proficiency in Figma, user research, journey mapping, prototyping, and design system contributions.

• Showcase B2B SaaS Context: If possible, include projects that demonstrate an understanding of business objectives and user needs in a B2B context.

• Be Prepared to Discuss: Anticipate questions about your design choices, challenges faced, how you collaborated with teams, and how you would approach design problems at Kolsquare.

Challenge Preparation:

• Understand the Domain: Familiarize yourself with Kolsquare's platform, the influencer marketing industry, and common challenges faced by brands and influencers.

• Design Thinking Framework: Be ready to apply a structured design thinking approach to the case study prompt.

• Prioritize & Scope: Demonstrate an ability to prioritize tasks and scope solutions appropriately within given constraints.

• Clear Communication: Practice articulating your thought process and design rationale clearly, concisely, and persuasively.

📝 Enhancement Note: The interview process is structured to assess a candidate from multiple angles: strategic fit, technical proficiency, collaborative ability, and practical application. The portfolio review and case study are critical evaluation points, demanding a clear demonstration of process, impact, and domain understanding.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: The primary tool for UI design, prototyping, and collaboration. Proficiency is essential.

• AI Tools: Actively leveraging AI to accelerate research, ideation, and prototyping. Specific tools may vary, but a willingness and ability to integrate AI into the workflow is expected.

• Collaboration Platforms: Tools like Slack for real-time communication and Miro for virtual whiteboarding and brainstorming sessions.

Analytics & Reporting:

• While specific tools aren't listed, familiarity with common analytics platforms (e.g., Google Analytics, Amplitude, Mixpanel) used to track user behavior and product performance is beneficial for making data-informed design decisions.

CRM & Automation:

• While not directly a design tool, understanding how design impacts user journeys within a CRM context (especially for B2B SaaS) is advantageous. Familiarity with how design integrates with marketing automation and sales processes can be a plus.

📝 Enhancement Note: The explicit mention of Figma and AI tools highlights Kolsquare's modern design stack. The ability to leverage data through analytics platforms is crucial for a data-informed designer.

👥 Team Culture & Values

Operations Values:

• Deliver WOW: Striving for exceptional quality and impact in design solutions that delight users and stakeholders.

• Be Responsible: Taking ownership of design outcomes, communicating transparently, and acting ethically.

• Pursue Growth & Learning: Actively seeking new knowledge, skills, and opportunities for self-improvement, particularly in design trends and technologies like AI.

• Be Passionate and Determined: Approaching design challenges with enthusiasm and persistence to achieve ambitious goals.

• Share your Power, Knowledge & Wealth: Contributing to the team's collective success through knowledge sharing and collaborative efforts.

• Build Authentic Relationships: Fostering trust and genuine connections with colleagues, users, and partners.

Collaboration Style:

• Cross-Functional Integration: Working seamlessly with Product Management and Engineering to ensure a unified product vision and efficient execution.

• User-Centric Advocacy: Championing the user's voice and needs in all design discussions and decisions.

• Open Communication: Engaging in transparent and constructive dialogue, providing and receiving feedback openly to drive continuous improvement.

• Data-Informed Dialogue: Using data and user insights as a basis for design discussions and strategic planning.

📝 Enhancement Note: Kolsquare's values are strongly aligned with modern, high-performing tech cultures, emphasizing impact, continuous learning, and collaborative relationships. The Senior Product Designer is expected to embody these values and foster them within their design work.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs with Business Goals: Effectively translating complex influencer marketing requirements and business objectives into intuitive and valuable user experiences.

• Rapidly Evolving Martech Landscape: Staying abreast of fast-changing trends in influencer marketing, social media platforms, and Martech tools to ensure Kolsquare's design remains innovative and competitive.

• Scaling Design Systems: Evolving and maintaining a robust design system that supports rapid feature development across a growing platform.

• Remote Collaboration: Ensuring effective communication, design critique, and team cohesion within a fully remote, international team.

Learning & Development Opportunities:

• AI in Design: Gaining hands-on experience and developing expertise in leveraging AI tools for design acceleration and innovation.

• Creator Economy Expertise: Deepening understanding of the influencer marketing ecosystem, its key players, and business models.

• Product Strategy Influence: Contributing to high-level product strategy discussions and influencing the product roadmap through design insights.

• Mentorship: Potential to mentor junior designers and contribute to the growth of the design function within Kolsquare.

📝 Enhancement Note: The challenges are typical for a senior role in a dynamic tech company, emphasizing adaptation, strategic thinking, and effective collaboration. The growth opportunities are focused on domain expertise, technological adoption (AI), and leadership within the product and design space.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to balance conflicting user needs with business requirements. How did you approach it, and what was the outcome?" (Focus on your process, compromise, and impact).

• "How would you approach designing a new feature for brands looking to measure ROI on influencer campaigns? What data would you prioritize, and what user flows would you consider?" (Demonstrate structured problem-solving and domain understanding).

Company & Culture Questions:

• "What excites you about Kolsquare's mission and the Influencer Marketing space?" (Show genuine interest and alignment with the company's purpose).

• "How do you approach building authentic relationships within a remote, international team?" (Relate to Kolsquare's values and your personal collaboration style).

Portfolio Presentation Strategy:

• Structure for Impact: For each case study, start with a concise executive summary of the problem, your solution, and the key results. Then, delve into your process.

• Visualize Your Process: Use visuals (wireframes, user flows, prototypes, final UI) to illustrate your journey and decision-making at each stage.

• Quantify Results: Whenever possible, use data and metrics to demonstrate the success of your designs. If exact numbers aren't available, discuss the intended impact and how you would measure it.

• Highlight Collaboration: Briefly explain how you partnered with Product Managers and Engineers, emphasizing your ability to work effectively within a cross-functional team.

• Tailor to Kolsquare: Where possible, subtly connect your past work or approach to Kolsquare's specific challenges or product areas.

📝 Enhancement Note: Preparation should focus on demonstrating not just design skills, but also strategic thinking, business acumen, collaborative ability, and a strong understanding of Kolsquare's domain and values. Quantifiable results and a clear process narrative are crucial for portfolio presentation.

📌 Application Steps

To apply for this Senior Product Designer position:

• Submit your application through the provided link on the Kolsquare careers page.

• Curate and Polish Your Portfolio: Select 2-3 impactful projects that showcase your end-to-end design process, focusing on B2B SaaS, UX/UI expertise, and any relevant experience in Martech or the Creator Economy. Ensure each case study clearly outlines the problem, your role, process, decisions, and measurable outcomes.

• Optimize Your Resume: Highlight your 5+ years of relevant experience, proficiency in Figma, and any specific achievements in user research, design systems, or driving business impact through design. Use keywords from the job description naturally.

• Prepare for the Interview Process: Research Kolsquare, its mission, values, and product. Practice articulating your design philosophy, problem-solving approach, and how you've contributed to business goals. Be ready to discuss your portfolio projects in detail and your experience with remote collaboration.

• Understand Kolsquare's Context: Familiarize yourself with the Influencer Marketing industry and Kolsquare's position within it. Consider how your design skills can contribute to their mission of empowering users and impacting the world positively.

⚠️ 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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