Josselin d'Espinay Saint-Luc
Paris, France–Open to remote work from Europe (relocating to Denmark)
Summary
Hands-on Engineering Manager and Senior Frontend Engineer with 8+ years of experience building scalable web products. Currently leading a 7-engineer team at Botify, owning roadmap and OKRs while staying technically active — contributing to LLM/GenAI product features, design system architecture, and frontend engineering standards. Strong focus on React ecosystems, cross-functional leadership, and international collaboration. Open to senior IC and EM roles in product-driven environments.
Experience
Engineering Manager
Hands-on Engineering Manager specializing in scalable frontend architecture. Balancing team delivery with active technical contributions — deep-dive code reviews, shared engineering standards, and direct involvement in high-impact features. Focused on autonomy, coaching, and strategic delivery.
- Managing a team of 7 engineers on site & remotely, including hiring, onboarding, and performance reviews
- Led company-wide shift from squad-centric to project-centric roadmap model, reducing time to production by 1+ week
- Leading 2–3 large-scale cross-functional projects simultaneously, owning roadmap and OKR alignment
- Shaping team rituals and delivery process across project-based squads
- Collaborating daily with international teams (US, UK, Singapore)
Recent projects include:
- Assist – GenAI/LLM-powered chat assistant integrated with our proprietary data model, redefining the product experience
- AI Visibility Dashboard – premium analytics dashboard for AI search visibility, built with ShadCN and TailwindCSS
- Design System Initiative – company-wide rollout of a scalable UI component library based on ShadCN
Lead Software Engineer
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
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
Education
ISEN Lille — Master of Engineering (Grande École)
Accredited French engineering school (MEng equivalent) · Focus: Software & Web Technologies
Ateneo de Manila University — Exchange Program, Information Systems
Top private university in the Philippines · QS #1 in Employer Reputation (PH)
Skills
- React.js · Next.js · Angular · Vue · TypeScript · Tailwind · CSS/SCSS · Storybook · Design systems · LLM integration · GenAI · Redux · Jest · Cypress · Git · Webpack · ESLint · Vite · Sentry
- Agile · Scrum · Kanban · Remote collaboration · Team leadership · Communication · Problem-solving · Mentoring · Cross-functional collaboration · Product vision · Stakeholder management · Project management
- English – Fluent (daily use professionally and at home) · French – Native