Fractional CTO · Digital Engineering · Paris

The technicalleadershipyour project deserves

Former CIO turned entrepreneur. I build lasting digital assets, not throwaway prototypes. France's regulatory landscape? My competitive advantage for 15 years.

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Years of expertise

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Apps in production

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Guaranteed uptime

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Billed via our tools

Regulatory Compliance & Certifications

HDS

Health Data Hosting

eIDAS

Certified Electronic Signature

GDPR

Data Protection

Factur-X

E-Invoicing 2026

Why RL Conseil?

What sets us apart from a typical agency

We speak ROI, not lines of code

Every technical decision is a business decision. HDS compliance for healthcare, mandatory e-invoicing in 2026, eIDAS electronic signatures — we protect your growth and stay ahead of regulatory requirements.

15 years of mistakes you won't have to make

Architecture built for three years from now, not Friday's demo. No hidden technical debt, no shortcuts. Clean, documented code your team can actually maintain.

One senior point of contact. Full stop.

No revolving door of junior developers. A single, senior, dedicated CTO who knows your project inside and out.

Expertise

Our offering in service of your ambitions

Six areas of expertise, from architecture to production.

Architecture & Conception Technique

Cadrage technique, choix de stack, modélisation de données et blueprints d'architecture avant la première ligne de code.

System DesignUMLAPI Design

Développement Full Stack

Conception et réalisation d'applications web robustes, du back-end API au front-end interactif.

Laravel 12ReactPostgreSQL

Produits SaaS sur mesure

De l'idée au produit en production : multi-tenant, abonnements, onboarding, analytics embarqué.

LaravelStripeMulti-tenant

Conformité & Réglementaire

Mise en conformité technique avec les obligations françaises et européennes — sans compromis sur l'expérience utilisateur.

HDSeIDASFactur-X

CTO Externalisé

Direction technique à temps partagé : stratégie, recrutement, dette technique, montée en compétences de vos équipes.

StrategyManagementDevOps

Performance & Optimisation

Audit, profiling et optimisation de vos applications existantes pour des temps de réponse inférieurs à 200ms.

Core Web VitalsRedisCDN
Methodology

Our approach in 4 steps

01

Discovery

Analysis of your business and technical challenges. Defining scope and measurable objectives.

02

Design

Architecture, data schemas, API contracts. Every decision is documented and validated.

03

Build

Iterative development with weekly check-ins. Systematic code reviews and automated testing.

04

Delivery

Deployment, training, knowledge transfer. Performance monitoring and post-launch support.

Tech Stack

Technologies we master

The tools we use daily.

Frontend

React 19Next.js 14Vue.js 3Nuxt.jsTypeScriptTailwind CSSFramer MotionThree.jsD3.jsSass/SCSS

Backend

Laravel 12PHP 8.3Node.jsExpressPythonDjangoFilamentPHP v3GraphQLREST APIWebSocket

Databases

PostgreSQLMySQLMongoDBRedisElasticsearchVector DBSupabaseFirebase Firestore

Cloud & Infra

AWSGoogle CloudOVHcloudScalewayVercelCloudflareDigitalOcean

DevOps & CI/CD

DockerDocker ComposeGitHub ActionsGitLab CINginxApacheLoad BalancingSSL/TLSTerraform

Mobile & Real-Time

React NativeExpoWebRTCPWAPush NotificationsSocket.IO

AI & Tools

Claude APIOpenAI APILangChainMCP ProtocolRAGVector SearchEmbeddings

Compliance & Security

HDSeIDASRGPDFactur-XNF525OWASPOAuth2JWTCORSCSP
Projects

Our work in production

Every project is a real application, with real users.

Scell.io
March 2026

Scell.io

Factur-X and eIDAS compliance, in a single API.

B2B API infrastructure that automates the generation of electronic invoices in Factur-X format and eIDAS-certified electronic signatures. Designed to integrate within hours into any existing information system.

LaravelReactTypeScript
ApiLLMContext
In Development

ApiLLMContext

Give your LLMs the context they deserve.

An MCP server that enriches Claude and other language models with structured external context. Enables AI to understand your codebase, documentation, and business data in real time.

TypeScriptNode.jsVector DB
ClaudeNest
In Development

ClaudeNest

Orchestrate Claude Code like a team of developers.

An orchestration platform that enables remote control of Claude Code with multi-agent management, real-time task tracking, and full session history.

TypeScriptWebSocketReact
PratiConnect
April 2026

PratiConnect

The 100% digital practice management suite for wellness professionals.

An all-in-one platform for wellness professionals: appointment booking, video teleconsultation, administrative management, and patient follow-up.

LaravelFilamentPHPWebRTC
NoteFlow
Live

NoteFlow

Your notes think with you.

A productivity app combining note-taking, task management, and artificial intelligence. The AI analyzes your notes to suggest actions and connections between your ideas.

Next.jsReact NativeAI
Daily Companion
Live

Daily Companion

Your personal journal, enhanced by AI.

An intelligent personal journal with Étoile, a caring AI companion. Emotional trend analysis, reflection prompts, and wellness tracking.

Next.jsReact Native
GigaPDF
Open Source

GigaPDF

The open source PDF editor the market was missing.

A complete open source PDF editing suite with real-time collaboration. Annotation, merging, conversion, signing — without sending your documents to a third-party server.

TypeScriptReactWebSocket
OrdoConnect
Live

OrdoConnect

The health platform that respects your patient data.

A management platform for healthcare professionals with HDS-certified hosting. Patient records, digital prescriptions, and secure messaging.

LaravelReactPostgreSQL
TimeIsMoney
March 2026

TimeIsMoney

Invoice accurately. Invoice compliantly. Invoice fast.

NF525-certified invoicing solution with time tracking, automatic invoice generation, and direct accounting integration.

LaravelFilamentPHP
Giga-CRM
Live

Giga-CRM

The CRM that automates what your sales team forgets.

A modular AI-powered CRM and ERP. Predictive lead scoring, automated follow-ups, and customizable dashboards.

LaravelReactAI
Testimonials

Clients who trusted us and shared their experience

RL Conseil turned our specification document into an HDS-certified platform in four months. What impressed me most was Rony's ability to understand the constraints of the healthcare sector without needing them explained twice.

Dr. Marie L.

Director, Medical Group

After two disappointing experiences with agencies, working with RL Conseil was a relief. Clean code, deadlines met, and above all, a real technical vision that anticipates our needs 18 months out.

Thomas R.

CEO, B2B SaaS Startup

The e-invoicing compliance was causing us a lot of anxiety. Rony took ownership of the issue with a calm confidence that immediately put us at ease. The investment paid for itself within six months.

Sophie M.

CFO, Industrial SME

Free Resources

Practical guides to prepare your project

Nine concrete guides, written by a CTO who uses them daily.

Let's take action

Your next project deserves
solid technical leadership

30 minutes to discuss your challenges. No commitment, no jargon.