David Dahan

Versatile Software Engineer, crafting challenging products with extra attention to detail. 13 years of experience.

Paris, France

Main tools

Python

Django

FastAPI

LLMs

TypeScript

Vue.js

Nuxt

Tailwind CSS

PostgreSQL

Docker

VS Code

Copilot

Roles

Fullstack Web Dev

Architecture & Design

Product & Agile Delivery

360° Vision

Tech Lead & Mentoring

Values

Autonomy & Ownership

High level of requirement

Healthy relationships

Team Spirit

Active Communication

Work Experience

Leroy Merlin

Freelance Software Engineer

•

since

May 2025

• Work in progress ...

Beta.gouv

Freelance Software Engineer

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Feb 2024

Jun 2024

• I helped a small team design and build a new government app for declaring the placement of food supplements on the market.

Mansio

2nd Engineer

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Jul 2022

Mar 2023

• I designed and built a tool to allow real estate agents find properties and manage their transactions

• I migrated a Webflow website to a Nuxt/Django stack

Hudi

Founding engineer - CTO/CPO

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May 2017

May 2021

• I designed and developed 3 apps from the ground up

• App #1: a custom point of sale software to take in-restaurant orders and credit accounts

• App #2: A mobile web app to allow customers to manage their account and use valuable features. These both apps are used daily in 5 restaurants by thousands of people

• App #3: A back-office website used by team members to handle menus, displays, customers, orders.

• Within these apps, I designed and implemented complex multi-side features like a full-featured Click & Collect and a powerful rewarding program.

• I improved in-restaurant physical customer journeys by designing workflows using various technologies like NFC or QR codes.

• I managed and mentored a junior developer who worked on tray detection using AI.

Orange Business Services

Freelance Software Engineer

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Mar 2017

May 2017

• I built a generic tool to automate and orchestrate tasks (file browsing, repo syncing) after benchmarking performances of different scenarios.

• I wrote unit tests, documented the solution, and trained people to operate it over time.

Auchan Direct

Freelance Back-end Engineer

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Sep 2016

Dec 2016

• I helped back-end team to build features, web services, unit tests, and solved bugs.

Padam Mobility

Back-end Engineer

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Feb 2016

Aug 2016

• Within the dev team, I designed, developed, tested and documented new back-end features and APIs for mobile apps.

• I helped improving the code quality by implementing Django best practices and some refactoring.

• I helped recruiting new developers.

Magnetiz

Founder

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Apr 2014

Jan 2016

• I founded a startup to reward in-store customers with a loyalty program, using tablets and QR Code cards.

• I designed and built the whole technical solution, including mobile apps, back-end, and landing page.

• I handled non-technical stuff like marketing strategy, branding, business development, partnerships, legal terms, etc.

DataLog Finance

Freelance Software Engineer

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Jan 2014

Mar 2014

• I built scripts to automate tasks on a a bug tracker tool, and a web page to ease operations.

Wavestone

Junior IT Architect

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Jan 2012

Dec 2013

• At EDF, I helped writing a study to lower infrastructure price, by optimising its geographical distribution.

• At Suez Environment, I was a project owner support. I deployed a Citrix farm.

• At AMF, I managed project to develop and deploy a scheduler, while managing a developper. I was responsible for SAS BI applications and Oracle Database operational tasks.

• At EDF, I followed architecture for renewal of enterprise applications. I built a script shell tool to automate software installation for transversal teams.