Hi, I'm Seb 🖐
CX Freelancer

I worked at Google as Web & UX expert. And now I propose my help to grow your business, with Google-quality consulting 👌

How I can help you

Invent a new product

As a CEO of a startup or new business line, you want to launch a digital product that will fit your customer needs, and engage your team in a collaborative process

I will help you organize a Design Sprint, based on Google Ventures methodology

I will help you frame the challenge & outputs, and be the facilitator of the sprint

I will prototype the ideas that came out, to test them with real users

Grow your revenue

As a PM or Marketer of an existing website or app, you want to grow your revenue and make your product more user-centric

I will audit your site or app using Conversion Rate Optimisation (CRO) methodogies

I will present you the most relevant opportunities to grow your revenue, and reach your business objectives (UX, WebPerf, PWA, innovative tech...)

I will help you implement those changes and measure the business impact it generated

Transform yourself

As a CDO or CPO of a medium or large company, you want to transform your organisation to build digital products like tech leaders do

I will interview your teams and produce a diagnostic of your digital maturity

I will present you the biggest opportunities with associated business impact (agile, mobile-first, user-centrism...)

I will help you implement those cultural changes and measure the relevant KPIs
Starter Pack

Not sure where to start?

Begin with the Starter Pack, an advanced audit of your top user journeys with actionable reco to boost your conversions!

990
Buy now

My areas of expertise

User Experience

User Research

Design Sprint

UX Audit

AB Testing

Motion Design

Prototyping

Technologies

Webperf Audit

PWA

SPA Frameworks

AMP

Web Development

Web Stories

Business

Conversion Rate Optimisation

Ads

Product Management

BI Dashboard

Digital Strategy

Product Culture

Français

English

Clients I worked with

Examples of my work

  • All
  • Case Study
  • Webinar
  • Benchmark

Case Study

Louvre Hotels Group made +30% conversions thanks to User Research and AB Testing

Case Study

Weekendesk increased by 2,5 their conversion thanks to PWA

Case Study

Verychic made +9% mobile revenue thanks to WebPerf improvements

Webinar

UX Research webinar explains why it's important and the strategies to adopt

Benchmark

Finance UX Benchmark shows the best acquisition journey of bank, insurance and credit players

Webinar

PWA webinar explains this technology and the benefits for your mobile user experience

Testimonials

People I loved working with

Sébastien demonstrates great polyvalence, he is able to advise decision-makers with a high-level narrative as well as going into technical details with practitioners.

Stanislas Chavanat

Finance Industry Head, Google

I enjoyed collaborating with Sébastien to build better, faster and more performant web assets, and I'd strongly recommend his professionalism.

François Beraldi

Chief Digital Officer, SFR

Sébastien has a strong ownership, once he has been introduced to a client, he is very clear about the next steps, defines a roadmap and makes the project move forward!

Charlotte Rochfeld

Industry Manager, Google

Problem-solver and innovator by nature, Sébastien always challenges the norm and tries new methods. He tests, adapts, and iterates to improve his impact.

Loïc de Saint Andrieu

Head of Digital Customer Experience, Google

Some articles I wrote

Banque, assurance, crédit : les meilleurs parcours d'acquisition 2021

Read More

How PWA will help you drive business impact!

Read More

The ultimate guide to designing a chatbot tech stack

Read More

Contact Me

Linkedin

Message me

Twitter

Mention me

Youtube

Check my videos

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