Available for new freelance projects · Contact me →
What my clients say

Trust isn't declared,
it's measured.

All reviews below are verified via Malt — they correspond to missions actually invoiced. No fabricated reviews, no internally solicited recommendations.

★★★★★ 5,0 / 5 · 71 reviews · 100 missions
★★★★★

William is responsive, involved and gives excellent advice, we highly recommend.

E

Eric

PrestaShop customization lead · Natural Net

Malt review · 02/16/2026

★★★★★

William was super efficient at solving our network problems. It's a real pleasure to work with him.

R

Romain

Head of Software · Chipiron

Malt review · 12/01/2025

★★★★★

William fully meets technical and operational requirements. Professional and rigorous from start to finish, solid expertise and great responsiveness. We recommend him without reservation.

OC

Olivier Chapelle

Technical lead · Freelance Malt

Malt recommendation · 02/07/2026

★★★★★

I highly recommend William! His responsiveness and attentiveness throughout the mission were excellent. The work delivered is high quality. A reliable and competent professional.

SB

Samah Bouhelal

Systems lead · Carlabella

Malt recommendation · 07/24/2024

★★★★★

William was very responsive, attentive, involved, and didn't hesitate to take initiative to reach the goals. Very client-satisfaction oriented. I won't hesitate to hire him again.

LF

Loïc Ferary

Chief Operating Officer · Global Partner

Malt recommendation · 04/24/2024

★★★★★

William handled the migration of one of my websites brilliantly. I recommend his support.

SB

Sebastien Bleriot

CEO · Freelance Malt

Malt recommendation · 04/08/2024

M

62 other private reviews on Malt

All reviews verified by Malt, with secured billing and payment. See the full SuperMalter profile or ask to be put in touch with past clients.

See on Malt