DG

Hi, I'm David

Lead Software
Architect

I help companies use AI in ways that actually change how they work. Currently Lead Software Architect at Wix, and fractional CTO of aireviews.com.

Over the past year at Wix, I have led the move of our organization to an AI‑native way of working — building the AI tools our employees now use every day, and bringing the whole company along with them.

Born in Paris. Now in Israel. Father of three.

1 year of AI‑native migration · Fractional CTO @ AIreviews

More about me
David Gahnassia portrait

01  —   Where I work

I work at Wix.
In the past year, I have built and rolled out
the AI tools our employees now use every day.

The mission was simple — make every Wix employee more efficient by giving them the right AI tools for their workflow. Most of what you see on this page is about that work. Before Wix: four years at ReasonLabs. Before that, my first job — at Kaholo, in Jerusalem.

David Gahnassia speaking at Wix Engineering Conference
Wix Engineering Conference. Telling the company about the AI‑native migration — and how it reshaped the way we work.
−60%

02  —   What that meant

An AI‑native company.
In one year.

We built AI tools for every part of how Wix employees work day to day. Tools that quietly take the slow parts of their workflow off their hands. The result: 60% less spent on infrastructure, faster work, less breaks — and a company that now thinks AI‑first by default.

03  —   The thesis

Being smart, in the AI era, is no longer about knowing. It is the ability to —

infer the unknown.

To stop being passive. To build systems that surface what is unspoken — what is just around the corner.

David Gahnassia on stage at Wix Engineering Conference 2026, with 'Infer The Unknown' shown on the huge screen behind him
The same idea, on stage, in front of the company. Wix Engineering Conference 2026.

04  —   Where I've been

Seven and a half years.
Three companies.

  1. 2018 → 2020

    Kaholo — Jerusalem

    Software Engineer · 1.5 years

    My first job. I worked on a workflow automation product — a tool that lets teams connect their apps and run things automatically. I helped move it to the cloud.

  2. 2020 → 2024

    ReasonLabs — Cybersecurity

    Senior Software Engineer · 4 years

    Four years building backend systems for a cybersecurity company. I worked on the part that scans millions of files for malware, at very large scale.

  3. 2024 → now

    Wix.com — public company

    Lead Software Architect · Infrastructure & Platform

    I lead a small team. We build the AI tools that Wix employees use every day to do their work faster and more efficiently. I also speak at our internal tech conferences, interview candidates, and onboard new developers — all of it is the same project: helping the company work in an AI‑native way.

David Gahnassia on stage at Wix Engineering Conference 2026, presenting to an audience of engineers
Walking the engineering team through the migration. Wix Engineering Conference 2026.

05  —   And because of that work —

Other companies started asking the same question.
Since January 2026, I'm also the fractional CTO of aireviews.com.

AIreviews is a small startup. They reached out because of the AI work I have been leading at Wix. We're building an AI search engine for local businesses — and, on the other side, a tool that lets every business talk back to its customers through AI: book a table, take an order, answer questions. All from a twenty‑minute setup. No code.

My role — set the technical direction, help the company close its seed round, and make sure what we ship is solid enough to last.

David presenting Sled Shalosh(3) — Our Next-Generation Testing Framework to senior Wix engineers
Sled Shalosh (3) — one of the AI tools at the center of the migration, shared with senior Wix engineers.

06  —   What it took

To move a company to AI‑native,
three things have to happen at the same time.

i.

Build the new foundation.

Most AI projects break because the systems underneath are too fragile. The first thing we did at Wix was rebuild the parts that hold up everything else — quietly, but solidly.

ii.

Change how every employee works.

AI does not change a company if the people using it still work the old way. So we built the internal tools that made each employee's daily work simpler — and faster. Almost without them noticing.

iii.

Bring the people with you.

A new system on its own does not change a company — people do. I spoke at our conferences, ran onboarding sessions, sat in interviews, mentored students. All of those moments you see in the photos here — that was the third part of the work.

David with a room of new Wix developers during onboarding
Onboarding new employees at Wix.

08  —   For the record

For those who
like to see the paper —

B.Sc. Computer Science, Jerusalem College of Technology, 2018. Certified Expert Systems Analyst, Israeli Chamber of Information Technology, 2024.

David Gahnassia — B.Sc. Computer Science (Jerusalem College of Technology, 2018) and Certified Expert Systems Analyst (Israeli Chamber of Information Technology, 2024)
degree.jpg →  drop into /public
B.Sc. Computer Science (2018). Certified Expert Systems Analyst (2024).
David Gahnassia with his wife and three daughters at Universal Studios, Florida — August 2025
family.jpg →  drop into /public
Family — Florida, August 2025.

10  —   Hello

Let's see how we can optimize
your workflow into an AI‑native environment.

David Gahnassia

davidgahnassia@gmail.com

Modiin, Israel