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Lionel Sirvel

Frontend Engineer × Product Designer

I design and build user-centred digital products.

I bring UX thinking, design systems and web engineering together to create digital products from concept to code.

View selected work

Selected work

4 projects
Ledgerly dashboard showing revenue summaries, invoices and customer management on desktop and mobile

Product Design & Full-Stack Development

Ledgerly

A finance CRM that brings customers, invoices, revenue and client notes into one secure workspace.

Designer & Developer2026
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Anonymised view of the redesigned NWMA Connect intranet homepage layout

Intranet UX & Web Design

NWMA Connect Redesign

A UX-led SharePoint intranet redesign that improved navigation, information architecture and accessibility.

Digital Experience Officer2026
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Airbnb UX case study cover showing the research board and redesigned booking screens

UX Research & Product Design

Airbnb UX Case Study

Identifying friction in Airbnb's mobile booking flow and prototyping a clearer path to book.

UX Designer2024
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AirBorne UI case study cover showing the mobile app booking screens

UI Design & Design Systems

AirBorne UI Case Study

A design system and high-fidelity mobile app prototype for the AirBorne airline brand.

UI Designer2024
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Capabilities

Engineering

Frontend & Backend

  • HTML, CSS, JavaScript, TypeScript
  • React, Next.js, Tailwind CSS
  • Node.js, Express.js
  • PostgreSQL, Multi-tenant architecture
  • Server-side rendering, authentication, API integrations

Design

UX/UI & Design Systems

  • UX research, problem definition, usability testing
  • User flows, wireframes, journey mapping
  • Figma prototyping and design handoff
  • Reusable component libraries and design systems
  • Information architecture and content hierarchy

About

I'm Lionel — a frontend engineer with six years of professional experience building responsive web applications and digital interfaces.

I work across design and development, taking ideas from research and wireframes through to design systems, coded interfaces and production-ready digital experiences.

I care about building products that are scalable, accessible, secure and thoughtfully crafted.

How I work

01

Understand

the problem, research the users and the constraints before anything is drawn.

02

Design

User flows, wireframes, prototypes and component libraries.

03

Build

Accessible, responsive, production-ready code.

04

Validate

User feedback and iterate until the product earns its place.

Let's build something meaningful.

Open to work opportunities, collaborations, or conversations around UX, web development and digital products.

Get in touchEmail me