My expertise

I build React, Next.js and Angular interfaces in TypeScript, from a single component to a full application. I work with a design system to keep the interface consistent and limit technical debt.

• Next.js applications with server rendering, internationalised routes and SEO optimisation.
• Angular applications structured in modules, with state management and complex forms.
• Design system and reusable component library, faithful implementation of designs.
• Performance and accessibility: image loading, code splitting, contrast, keyboard navigation.

I build React Native applications with Expo, published on the App Store and Google Play. Three of my apps are publicly available today.

• Full cycle: development, store listings, publishing and updates on both stores.
• Native features: camera, geolocation, notifications, secure storage.
• Payment and authentication integration in mobile apps.
• Automatic document reading with a multimodal model (Mistral AI) in Lafya.

I design and consume REST and GraphQL APIs in Node.js, and integrate the third party building blocks a product relies on: payments, subscriptions, authentication and AI.

• REST and GraphQL APIs with Express, relational and NoSQL data modelling.
• Payments and subscriptions in production with Stripe and Paddle, webhook handling.
• Authentication and permission management, including with Clerk.
• Real time communication with WebSocket.

I design user journeys and screens in Figma before building them myself, which cuts the back and forth between design and development.

• User journeys, wireframes and high fidelity designs.
• Design system: tokens, components, states, usage documentation.
• Clickable prototypes to validate an interface before development.
• Accessibility considered from the design stage: contrast, target sizes, hierarchy.

I have held the role of technical director and frontend lead: architecture decisions, coaching developers, organising deliveries, setting up continuous integration.

• Stack and architecture choices, balancing time, cost and technical debt.
• Coaching developers, code review, sprint organisation.
• Continuous integration and automated deployment (GitHub Actions, Vercel, Docker, VPS).
• Server administration and monitoring of production applications.