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Portrait of Tudor Neagu

Tudor Neagu

App builder · Full Stack Engineer at NEXQT

Hello.

Tudor is somewhere between a bug and a coffee, but his assistant is always here.

I can tell you about his projects, his background, or why an architect started writing code.

AI assistant. It answers from the content of this site.

Or read on

What I do

I design and build applications, from the first idea to production.

I'm finishing my work-study programme as a Full Stack Engineer at NEXQT, until March 2027. Alongside it, I build my own applications for real-world business problems: ArchiZen for architects, my former profession, and Flowni for self-employed practitioners.

2professional roles in developmentNEXQT, IACrea
2personal applicationsArchiZen, Flowni, both live
2 yearsof software developmentsince February 2024
7 yearsof architectureChartier Dalix, licensed architect

What I build at work

What I build in my current work-study role, and what I shipped before.

NEXQT

Full Stack Engineer

Work-study · Sept 2025 – Mar 2027

A climate data startup. NEXQT maps local authorities' emissions, energy and traffic, from the building to the street, to steer their renovation and mobility strategies.

Stack
ReactTypeScriptMapbox GLNode.jsPrismaPostgreSQLDynamoDBAWSPythonMistral
Visit nexqt.com
My role

In charge of the front-end and back-end repos, the connection to the data APIs and databases, and the AWS infrastructure.

What I do there
  • Architecture. Reviewing and restructuring the application, so new local authorities can be onboarded without custom development.
  • AWS infrastructure. Scaling up: multi-AZ, instance scaling, network rules, sizing of the ECS services.
  • Road data. Exploring traffic, speeds and emissions: map, dashboards per street and per district, exports and a PDF report.
  • Detail panels on the map. The panels that open on a building or a road, with indicators specific to each object.
  • Ask. Querying the data in natural language (Mistral), from the interface to production.
  • Data Explorer. The next data exploration module, in progress.

IACrea Full Stack Engineer (internship), Dec 2024 – May 2025

AI-powered real-estate makeovers: from a single photo, estate agents get furnished, enhanced rooms, videos and floor plans for their listings.

What I did

I took part in redesigning the user interface, from the mockups to the first deployed version: subscriber area, project and image management, authentication, translation.

iacrea.com
Next.jsSupabaseRedux

What I create on the side

What I design and launch alongside my work-study programme, with Anna Dominguez.

ArchiZen

Co-founder, with Anna Dominguez

Live since late Sept 2026 · archi-zen.com

Giving architects their design time back. ArchiZen speeds up the regulatory research and framing of projects with an AI that relies only on the official regulatory corpus: precise answers, where every sentence points to its article. Plus a watch that flags what changes in the texts.

Stack
Next.jsMistralPostgreSQLpgvectorPrismaMeilisearchBullMQRedisDocker
Open ArchiZen
My role

Everything, end to end: from the need to the live product.

What I did
  • The need and the roadmap. Identifying and framing the need from my seven years as an architect, then planning the product.
  • Marketing strategy. Positioning the offer and launching it to architects.
  • Architecture. Next.js, PostgreSQL and pgvector, Redis and BullMQ workers, in Docker on our VPS.
  • Corpus import and sync. Légifrance texts, updated every day to flag any change within 24 hours.
  • A home-made RAG. No off-the-shelf framework: every answer cites the articles it comes from.
~50sign-ups since launch
1,000+questions answered
173official texts tracked
24 hto flag a change

Flowni with Anna Dominguez

Retrocession, clear on both sides: the self-employed practitioner tracks what each session brings in, and the practice consolidates what its practitioners pay back.

flowni.app
React NativeiOSAndroidWeb

Why I code

Two passions: code and architecture.

I always wanted to do both. After seven years as an architect at Chartier Dalix, I had seen what the job had to offer, and I chose to combine the two to solve the real problems I had run into. The first one: making the legal world, which architecture school barely touches on, more accessible to architects. ArchiZen came out of that. And the method has not changed: an application is built like a building, with a plan, a framing, stages and iterations.

Where I come from

NEXQT Full Stack Engineer (work-study)

Sept 2025 – Mar 2027

In charge of the front-end and back-end repos, the connection to the data APIs and databases, and the AWS infrastructure.

ArchiZen Co-founder

In parallel

An AI that helps architects frame their projects against the regulations: answers sourced from official texts, and a watch on how they change.

Flowni with Anna Dominguez

In parallel

The retrocession app for self-employed practitioners and their practices: everyone knows what they keep or owe. On iOS, Android and the web.

IACrea Full Stack Engineer (internship)

Dec 2024 – May 2025

Redesign of the user interface of an AI-powered real-estate makeover product, from the mockups to the first deployed version.

Liora RNCP level 7 title (master's level)

2025 – 2027

Software Engineer programme at Liora (formerly DataScientest), on a work-study contract with NEXQT.

AWS Solutions Architect certification, in preparation

Since Sept 2026

To formalise what I already practise at NEXQT: networking, scaling, managed services.

O'clock RNCP level 6 title (bachelor's level)

2024

Application designer-developer programme, Opquast certification.

Chartier Dalix Licensed architect (HMONP)

2017 – 2024

Leading teams and projects worth tens of millions of euros, from competition to building site.

HMONP French architect's licence to practise under one's own name

2018

The licence that lets an architect sign their own projects.

ENSA Versailles State architecture diploma

Graduated 2017

Five years of study at the Versailles National School of Architecture.

What they say

From his very first days, Tudor proved autonomous, motivated and resourceful.
CLConstance LaborieCo-founder and CTO of IACrea, managed me · translated from French
I would work with him again without hesitation.
PCPauline ClavellouxTech entrepreneur, managed me at IACrea · translated from French
He is never satisfied with knowing that something works, he wants to understand why.
BSBenoît SchiexDeveloper, my instructor at O'clock · translated from French
Read all 4 recommendations on LinkedIn

What I can do

Tools change and are quick to learn. What matters is the know-how, and picking the right tool for each task.

ProductTurning a business need into a product, from framing to launch
DeliveryBreaking down, planning, leading, seven years leading teams, from competition to building site
InterfaceIntuitive, well-designed screens, an architect's habit
AIDesigning RAG systems and AI agents, from importing the corpus to the sourced answer
Front endWeb and mobile applications, with React, Next.js, React Native, TypeScript
Back end and dataAPIs and databases, with Node.js, Python, PostgreSQL, MongoDB, DynamoDB
InfrastructureDeploying and handling the load, with Docker and AWS, monitored with Sentry and PostHog
LanguagesNative French and Romanian, bilingual English, German B1

Let's talk

On a work-study programme at NEXQT until March 2027, I intend to stay on there and keep building ArchiZen. But I always keep an ear open for projects with a strong social impact. I am based in the Paris region, ideally working hybrid.

To write to melinkedin.com/in/tudor-neagu
To see my codegithub.com/tudorneagu
To see what I buildarchi-zen.com
For a quick question

Or write to me directly