Boris Boulogne - UX Engineer

Professional Summary

Senior UX Engineer with 6+ years bridging product design and frontend development. Frontend-focused with full-stack fluency: designs interfaces in Figma and ships them in React and TypeScript, with particular depth in modern CSS, layout systems, and interface motion. Owns the full cycle : discovery, UX design, frontend architecture, API integration, and deployment. Earlier career in high-speed network engineering, now applied to building products end to end.

Professional Experience

Independent UX Engineer & Frontend Developer - Freelance | Paris, France | Jan 2025 - Present

Pure Power - Bilingual Brand Website & Custom React CMS

Owned the full product cycle: stakeholder discovery, UX design in Figma, frontend implementation, deployment, and ongoing optimization.
Built a custom React CMS giving the founders autonomous multilingual content management.
Developed the production site in semantic HTML5, CSS3, and JavaScript with a reusable component structure.
Delivered accessible, responsive layouts with consistent typography, spacing, and visual hierarchy.

Loxymore - Media Content Platform

Defined information architecture and interaction patterns, then designed and shipped the platform from concept to production.
Built responsive interfaces with HTML5, CSS3, JavaScript, and Express.js .
Integrated the YouTube and Spotify APIs into a single cohesive browsing experience.
Established UI patterns that supported later feature additions without redesign.

Rooguy - AI-Powered Gamification SaaS Marketing Website

Resigned and developed an AI-generated marketing platform in React, TypeScript, PHP, and SQLite, taking an early concept to production launch.
Created a reusable component library supporting multiple customer journeys and future page templates.
Built a lightweight CMS enabling non-technical marketing updates without redeployment.
Delivered the online presence that produced the product's first qualified customer leads.

NaturecareAI - SaaS Platform for an AI healthcare assistant

Designed and built the complete product from concept to deployed MVP: onboarding, conversational interface, authentication, subscriptions, and payments.
Created user flows and conversational UI patterns, then implemented them across frontend and backend.
Built modular architecture supporting rapid iteration on AI-driven workflows.
Generated 300+ qualified leads within three months of launch.

WELOCAL - UX Designer | Baie-Mahault, FRANCE | Apr 2024 - Sep 2024

Designed UX/UI solutions for client websites across automotive, construction, legal, and retail sectors in a fast-paced agency environment.
Translated business requirements into structured, responsive interfaces adapted to distinct brands and audiences.
Worked directly with the engineering team through implementation to protect design intent.

ALLMOL Technology - UX/UI Designer & Frontend Developer | Baie-mahault, FRANCE | Mar 2020 - Mar 2024

Designed 100+ production interfaces across a proprietary CMS platform and e-commerce websites.
Joined the development team to implement pixel-perfect frontends in HTML, CSS, JavaScript, and PHP.
Built reusable UI components and shared design patterns that improved consistency across the product portfolio.
Contributed to tripling the customer base through higher-quality customer-facing experiences and usability work.

Previous Experience

EDealer - Technical Support Analyst | Toronto, CANADA | Oct 2018 - Jun 2019

Customer support for English and French-speaking car dealers using WordPress websites.

AKKA Technologies - Telecom Consultant | Paris, France | Jan 2013 - Nov 2016

Test & Validation Engineer and Radio Engineer for defense and security clients.

Technical Skills

Product & UX:Design systems, user flows, information architecture, interactive prototyping, Figma, accessibility (WCAG), development-oriented design.

Frontend Engineering:React, TypeScript, JavaScript (ES6+), semantic HTML5, component-based architecture, responsive development, performance optimization, cross-browser compatibility.

CSS & Interface Motion:Modern CSS , SASS, advanced layout systems, CSS transitions and keyframe animation, Web Animations API, scroll-driven animation, accessible motion

Backend & Data:Node.js, Express.js, REST APIs, PHP, PostgreSQL, SQL, SQLite, authentication, third-party API integration.

Infrastructure:Linux administration, Nginx, SSH, VPS deployment, Docker, Git, Jira, Agile.

AI Tools:Claude Code, ChatGPT, Gemini, Flow AI-assisted prototyping and implementation workflows.

Education

UX/UI Design Professional Training - Icademie FOAD - (2020)
Master's Degree in High Speed Technologies - CNAM Paris - (2012)
MSc in Wireless Communication Systems - Oxford Brookes University - (2010)

Languages

English - C1 (IELTS) French native