Romain Malengrez

Product Builder

Salary / Daily rate

94300 Vincennes, France

Mobility: Paris

Freelance

Can come onsite

Skills

FigmaUI Product DesignUser ResearchUX Product DesignDesign ThinkingProduct ManagementDesign SystemAI

Languages

EnglishFrench

About me

Intro

Hi! I'm a freelance Product Builder with extensive experience in crafting digital B2B solutions and SaaS platforms.

Links

Work experience

Product Designer

CriteoFreelance

Jul 2026 - Present

4 months

Paris, France

• Designing and shipping new features for CriteoGO, Criteo's client-facing B2B SaaS advertising platform for SMBs; • Using AI tooling (Claude Code, Claude Design) to accelerate design production and shorten the design-to-implementation loop; • Absorbing a production overload on the roadmap, taking ownership of feature design end-to-end.

Design Workshop Facilitator

NestléFreelance

Jan 2026 - Mar 2026

3 months

1800 Vevey, Switzerland

• Facilitated a co-design workshop with 7 Nestlé stakeholders to define the UX foundations of a learning platform. • Documented the workshop outcomes by defining the learner persona, prioritizing features, and designing wireframes to outline the user experience.

Product Designer

AgorastoreFreelance

Sep 2024 - Jan 2026

1 year 5 months

93100 Montreuil, France

• Designed the marketplace (homepage, catalog, product page, etc) and the crucial auction experience on both desktop and mobile interfaces. • Worked on the user dashboard of both personas and designed the KYB and payment experience of the marketplace. • Built the design system of the company to have a consistent experience across different platforms targeting different countries.

Product Builder

Grand Large YachtingFreelance

Jun 2025 - Nov 2025

6 months

Remote

• Built a sailing community platform on Lovable so boat owners and crew members make first connections, and sail together during rallies. • Designed the frontend with Lovable and used Supabase for the database structure to build a website from scratch for the Grand Large Yachting sailing community.

Product Designer

Good StepsFreelance

Oct 2024 - Feb 2025

5 months

Remote, OR 97458, USA

• Design the user experience of a B2B SaaS platform to enhance the productivity of ESG consultants and facilitate compliance with the CSRD. • Worked on an AI feature that help them create IROs (Impact, Risk, and Opportunity) from scratch, streamlining the double materiality assessment process.

Product Designer

Agorapulse

Nov 2023 - Mar 2024

5 months

Paris, France

Design for acquisition and activation of a social media management tool. • Collaborated closely with PMs and EMs on subscription funnels to align design solutions with business goals (reduce churn rate and increase MRR). • Created wireframes and mock-ups of a CRM integration catalog while boosting activation by encouraging users to provide feedback.

Product Designer

Oodrive

May 2021 - Oct 2023

2 years 6 months

Paris, France

Oodrive is a secure cloud solution for managing sensitive data. I was responsible for the design of Oodrive Meet, a B2B web and mobile product for executive meeting management. The mission of my team was to build a new board meeting management tool that works within a collaborative suite. One of my responsibilities was to build a seamless integration with a secured document sharing platform (Oodrive Work), and an electronic signature tool (Oodrive Sign). • Conducted interviews, focus groups, and user tests, and transform research insights into actionable opportunities that drive the adoption of the product. • Led engaging workshops with all stakeholders to build a consistent collaborative experience for users across Oodrive’s product lines. • Created prototypes of web and mobile apps (iOS and Android). • Established a Design System to improve the consistency and execution of the different products within the Oodrive collaboration suite, and to align with the company's new identity.

UX/UI Designer

Anycommerce

Nov 2019 - Dec 2020

1 year 2 months

Paris, France

Anycommerce is an omni-channel payment and logistics platform for large retail companies. I designed a click and collect Android app for cashiers of Decathlon Spain. • Crafted the design of a mobile SaaS product in a scaled agile framework. • Conducted usability testing with cashiers of Decathlon for order management. • Built a scalable Design System with a team of 12 Product Designers to improve the overall experience across multiple points of sale.

1st UX/UI Designer

Edflex

Oct 2018 - Oct 2019

1 year 1 month

Paris, France

In charge of the product's user experience at Edflex, an EdTech startup curating the best learning ressources online for employees looking for new career opportunities. • Created a user onboarding that highlights the most important features of the learning curation platform. • Improved the user experience of certified learning paths and quizzes. • Design the user dashboard to highlight learning milestones and gain user retention. • Create an HR dedicated space that transparently showcases key metrics on the overall learning activity among employees. • Build a UI library for faster design iterations and better collaboration with the development team.

Assistant Project Manager

Realtime Art

Aug 2017 - Oct 2017

3 months

Paris, France

Worked on two projects for client Adidas: • Created visual content by editing photos and videos as part of an augmented reality project. • Contributed to the logistic, construction, and installation of an interactive laser cube game.

Assistant Digital Content Manager

AUDITOIRE - International agency leader in events communication

Aug 2016 - Oct 2016

3 months

9 Rue du Helder, 75009 Paris

Web content and social media manager for large accounts such as WISE (World Innovation Summit for Education) and The Philanthropreneurship Forum, an initiative that explores the dynamics of creative philanthropy through an entrepreneurial approach.


Education

Web School Factory

Master's degree

2015 - 2020

5 years 2 months

RMIT University

Melbourne

2018 - 2018

2 months

Foothill College

Palo Alto

2013 - 2015

2 years 2 months

Lycée Saint Erembert, Saint-Germain-en-Laye

Bac S

2011 - 2013

2 years 2 months


Licenses & certifications

Enterprise Design Thinking Practitioner

Issued: Jun 2018

Certified by IBM

Portfolio

COMEX Meeting App

Refonte marketplace

Estimation des IRO par l'IA

Expérience voyage

Design system app click & collect

The best place to find your next move

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