Product Designer

📍 Job Overview

Job Title: Product Designer

Company: Witco

Location: Paris, Ile-de-France, France

Job Type: Full-time

Category: Product Design / UX/UI

Date Posted: 2026-05-29

Experience Level: 5-10 Years

Remote Status: Hybrid

🚀 Role Summary

• Lead product design initiatives for key modules within Witco's B2B SaaS platform, driving user-centric solutions from concept to implementation.

• Conduct in-depth user research, including interviews and behavioral data analysis, to inform product strategy and design decisions.

• Develop and maintain a robust design system to ensure consistency, scalability, and efficiency across the product.

• Collaborate closely with Product Managers and Engineering teams to translate user insights and business requirements into intuitive and impactful interfaces.

• Contribute to the growth of the design culture within the product team, fostering a user-first mindset and continuous improvement.

📝 Enhancement Note: This role requires a Senior Product Designer with a strong focus on B2B SaaS environments, emphasizing the need for strategic thinking, end-to-end design ownership, and cross-functional collaboration within a scaling company.

📈 Primary Responsibilities

• Conduct qualitative and quantitative user research, including user interviews, usability testing, and analysis of behavioral data (e.g., using Hotjar) to uncover user needs and pain points.

• Map and analyze user journeys to identify key interaction points and opportunities for experience optimization within the B2B SaaS platform.

• Design intuitive, coherent, and well-crafted user interfaces and experiences for various product modules, aligning with business objectives and user requirements.

• Establish, document, and evolve a comprehensive design system, ensuring its adoption and integration into the product development lifecycle.

• Foster strong collaborative relationships with Product Managers and Software Engineers, participating actively in product strategy discussions, sprint planning, and iterative design feedback loops.

• Champion design thinking principles and best practices within the product and engineering teams, contributing to a culture of user empathy and innovation.

• Define and track key design metrics to measure the impact of design changes on user engagement, satisfaction, and business outcomes.

📝 Enhancement Note: The responsibilities highlight a need for a designer who can not only execute on design tasks but also strategically influence product direction through deep user understanding and a commitment to building scalable design foundations.

🎓 Skills & Qualifications

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

Experience: Minimum of 5 years of professional experience in Product Design, with a mandatory focus on B2B SaaS environments.

Required Skills:

• Proven expertise in end-to-end Product Design, from user research and ideation to high-fidelity prototyping and final UI implementation.

• Strong command of design and prototyping tools (e.g., Figma, Sketch, Adobe Creative Suite).

• Experience with user research methodologies, including user interviews, usability testing, and survey design.

• Familiarity with user research and analytics tools such as Maze and Hotjar for data-driven design insights.

• Deep understanding of B2B SaaS product complexities, including multi-profile users, intricate decision-making cycles, and enterprise adoption challenges.

• Ability to balance strategic thinking with meticulous attention to detail in design execution.

Preferred Skills:

• Experience in building and scaling design systems.

• Familiarity with agile development methodologies.

• Basic understanding of front-end development principles (HTML, CSS, JavaScript) to facilitate better collaboration with engineers.

• Experience in a scale-up or high-growth tech company.

📝 Enhancement Note: The requirement for "obligatoirement en environnement B2B SaaS" and "Anglais courant indispensable" are critical filters. The 5+ years of experience points to a mid-to-senior level role where autonomy and strategic input are expected.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 3-5 comprehensive case studies demonstrating end-to-end product design process within B2B SaaS contexts.

• Highlight projects that involved significant user research, problem definition, ideation, prototyping, and UI design.

• Include examples of how user insights and data were translated into tangible design solutions and measurable improvements.

• Demonstrate experience with design systems, including contributions to their creation, maintenance, or utilization.

Process Documentation:

• For each case study, clearly outline the problem statement, your role, the methodologies employed (research, design, testing), and the outcomes achieved.

• Detail the specific tools and techniques used throughout the design process, emphasizing proficiency in design, prototyping, and research software.

• Provide evidence of how you gathered and analyzed user feedback or behavioral data to inform design decisions.

• Illustrate the iterative nature of your design process, showing how feedback was incorporated to refine solutions.

📝 Enhancement Note: A strong portfolio is paramount for this role. Candidates should be prepared to articulate their design process, decision-making rationale, and the impact of their work, particularly within complex B2B SaaS environments.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for Senior Product Designers with 5-10 years of experience in Paris, France, the estimated annual salary range is €55,000 - €75,000. This estimate considers the cost of living in Paris, the company