Josselin d'Espinay
Josselin d’Espinay Saint-Luc

Josselin d’Espinay Saint-Luc

josselindespinay.com|josselin.despinay@gmail.com|LinkedIn

Paris, France–Open to remote work from Europe (relocating to Denmark)

Profile

Frontend Engineering Leader with 8+ years of experience in web development, team leadership, and UI/UX delivery. Strong focus on React ecosystems, scalable design systems, and international collaboration. Looking to bring my product and technical vision to a fast-paced team.

Experience

Engineering Manager

| Botify
Jan 2025 – Present

As an Engineering Manager, I focus on driving team performance, organizational outcomes, and cross-functional alignment across multiple high-impact projects. My scope has shifted from individual contribution to team leadership, with a focus on autonomy, coaching, and strategic delivery.

  • Managing a team of 7 engineers on site & remotely
  • Leading 2–3 large-scale cross-functional projects simultaneously
  • Shaping team rituals and delivery process across project-based squads
  • Collaborating daily with international teams (US, UK, Singapore)

Recent projects include:

  • Assist – LLM-powered chat assistant, integrated with our data model, redefining the user experience
  • Share of Voice Dashboard – premium analytics dashboard using ShadCN and TailwindCSS
  • Design System Initiative – rollout of a scalable UI library based on ShadCN components

Lead Software Engineer

| Theodo | Botify
Feb 2021 – Jan 2025

Led frontend engineering initiatives, combining hands-on technical delivery with project direction. Mentored engineers, drove design system adoption, and partnered with product/design teams to align technical efforts with business strategy.

  • Delivered large-scale frontend features using React, TypeScript, and Tailwind
  • Led design system architecture and implementation initiatives
  • Mentored and managed engineers, supporting technical decision-making across squads
  • Partnered with Product Managers and Designers on roadmap definition and scoping
  • Worked directly with clients to define technical architecture and deliver tailored software solutions

Software Engineer

| Backelite| Theodo
Jan 2017 – Feb 2021

As a software engineer, I focused on delivering robust, scalable frontend and full-stack applications in fast-paced, client-facing environments.

  • Built full-stack applications using React, Node.js, and Python for clients in sectors like finance, sports, and public services
  • Developed mobile and web apps using React, Angular, and React Native
  • Delivered software with strong attention to performance, scalability, and UX quality
  • Designed and implemented reusable UI components and contributed to long-term architecture improvements
  • Worked closely with designers, product teams, and stakeholders to ship production-ready features in agile sprints

Software Engineer Intern

| Capgemini
Jul 2016 – Jan 2017

Education

Ateneo de Manila University — Exchange Program, Information Systems

| Manila, Philippines
2015 – 2016

Top private university in the Philippines · QS #1 in Employer Reputation (PH)

ISEN Lille — Diplôme d’ingénieur (Master’s level)

| Lille, France
2011 – 2016

Grande École in digital engineering · Focus: Software & Web Technologies

Skills

Technical
    ReactJSNextJSAngularVueTypeScriptTailwindCSS/SCSSStorybookDesign systemsReduxJestCypressGitWebpackESLintViteSentry
Soft
    AgileRemote collaborationTeam leadershipCommunicationProblem-solvingMentoringCross-functional collaborationProduct visionStakeholder managementProject management
Languages
    English – Fluent (daily use professionally and at home)French – Native