Nathan Le Ray, software engineer
I have been building and maintaining business software since 2007. My current work focuses on applied AI and Ruby on Rails applications, alongside native mobile development for iOS and Android.
At Manda, I spend most of my time on AI. I also work on Ruby on Rails applications and process automation, in collaboration with product and business teams.
My objective
To help you save time, automate your time-consuming tasks, and manage your business with clarity, thanks to tools designed for your daily needs.
My work today
Applied AI
LLM integrations, agents and automation of business tasks within applications.
LLMs · OpenAI API · AI agents
Rails applications
Business software, APIs and internal tools that evolve with their teams.
Ruby on Rails · Hotwire · PostgreSQL
Native apps
Design, development and publication of iOS and Android applications.
Swift / SwiftUI · Kotlin / Jetpack Compose
From scoping to production
Product scoping, workflow design, releases, ongoing development and maintenance.
Product · Testing · Continuous delivery
Selected projects
MyWai
AI-assisted biography books · 2025-2026
Chapter generation and rewriting, photo analysis, contributions from relatives, and a payment workflow through to printing.
View projectSansoif
Alcohol consumption tracking · iOS and Android
Apps published on the App Store and Google Play, built with Swift/SwiftUI and Kotlin/Jetpack Compose, with a Rails backend.
View projectSOS Médecins Brest / ORIGAMI
Medical dispatch business software
ERP design and ongoing development: calls, visits, invoicing and integrations. 30% more patients handled in the first year.
View projectSOFIDIAL
ERP and e-commerce stores
Multitenant Rails platform, automated product catalogue, product customisation, orders, invoicing and accounting entries.
View projectMy approach
Human
& Pragmatic
I prioritize listening and understanding your real needs, without jargon or unnecessary complexity.
Custom-made
You are unique
I analyze your processes, identify pain points & design applications that integrate perfectly with your way of working.
Results
above all
My ambition? That you can focus on what really pays off, while technology takes care of the rest.
My values
Transparency
You always know where your project stands.
Simplicity
I make technology accessible and useful, without complicating your daily life.
Reliability
I commit to the quality, security, and sustainability of your tools.
Why choose
SXN Labs?
20 years
of experience
in development & digital project management
Concrete
results
time savings, reliability, business vision
Custom
solutions
every project is unique, every client too
Pragmatic
approach
straight to the point, no jargon