OMBREMIMS OMBREMIMS

From fog
to product.

OMBREMIMS designs, codes, and ships complete web applications — from the scoped idea all the way to deployment, with nothing handed off along the way. Available freelance or full-time, fully remote or hybrid in the Paris region.

Developer role: code, architecture, deployment, Git branches, and AI

What we do.

We design, build, and improve software solutions together.

Code

We write code to create useful, high-performance solutions.

Terminal

We use command-line tools to develop, automate, and work more efficiently.

Keyboard

We code, test, and build every feature with rigor.

Debug

We identify, analyze, and fix bugs to guarantee reliable solutions.

Git branches

We work as a team, manage versions, and integrate our changes.

Deployment

We deploy our applications to production and make sure they run smoothly.

Components

We assemble components and features to build modular, scalable solutions.

Architecture

We design solid, scalable technical architecture tailored to the need.

Everyday development

We turn our ideas into code and bring them to life every day.

Networks / connections

We design connected applications and make them interact with one another and with other systems.

Our lab.
Apps alive.

One short, deliberate line. Every product is a proving ground — not a portfolio.

In production
BuildYourTale
BuildYourTale 2025Today

What we actually code.

The full toolbox. From front end to bare metal, from AI to test pipelines.

Languages

  • TypeScript
  • JavaScript
  • SQL
  • Python
  • C# / .NET
  • Java
  • R
  • C
  • C++
  • Bash / Shell

Frontend

  • React 19
  • TypeScript
  • React Router 7
  • TanStack React Query
  • React Hook Form
  • Zod
  • Tailwind CSS
  • Radix UI
  • Framer Motion
  • i18next
  • HTML · CSS · XML
  • JavaEE (JSP/Servlet)
  • Ajax
  • PHP

Backend & API

  • Supabase Edge Functions
  • Deno / TypeScript
  • REST API design
  • Webhook integration
  • Async job orchestration
  • Serverless workflows

Data & Cloud

  • PostgreSQL
  • Supabase
  • Row Level Security (RLS)
  • Supabase Auth
  • Supabase Storage
  • SQL migrations
  • pg_cron
  • Google Cloud Platform
  • Firebase
  • MySQL
  • PL/SQL · Pro*C · JDBC

Payments

  • Stripe Checkout
  • Stripe Billing
  • Stripe Webhooks
  • Customer Portal sync
  • Promo / referral flows
  • Conversion funnel tracking

AI & Generation

  • OpenAI APIs
  • GPT-5 · Sora
  • Image generation
  • Moderation
  • Codex · Claude Code
  • GitHub Copilot
  • Prompt engineering
  • Structured outputs
  • Tool / function calling
  • MCP servers
  • RAG workflows
  • LLM evaluations (evals)
  • Safety guardrails
  • Prompt-injection defenses
  • Secure secret management
  • Async generation pipelines

Quality & Testing

  • Playwright E2E
  • Vitest
  • Testing Library
  • Visual checks
  • Vite
  • Storybook
  • ESLint
  • SonarQube
  • RobotFramework
  • SeleniumLibrary
  • GitHub CI/CD
  • GitLab CI/CD
  • jsPDF · pdf.js
  • npm scripts

Infra & Networking

  • Linux administration
  • LAN · TCP/IP
  • WAN
  • FTP
  • IP addressing
  • Apache
  • Glassfish
  • Tomcat
  • rsync · nfs · nis · xinetd
  • ssh · dhcp · ldap · samba

Systems & ML

  • Android Studio
  • Arduino · IoT
  • Embedded Linux
  • Embedded HMI
  • Hardware-software interface
  • Model-based systems engineering
  • ROS
  • IoT security
  • UML · VBA · Macros
  • Deep Learning · CNN
  • Reinforcement Learning
  • Q-learning · Markov
  • Decision tree · Random forest
  • Naive Bayes · ANN
  • NLP
  • Data mining

Our dev journey.

Code written, shipped, maintained. With or without a cape.

2025 — Today

Full-Stack Software Engineer — Founder

OMBREMIMS · BuildYourTale
  • End-to-end design and development (React 19, TypeScript, Supabase, PostgreSQL).
  • Guided workflow across 8 sections + asynchronous generation via 4 serverless functions (start/process/text/images).
  • 39 Supabase Edge Functions in production — generation, billing, notifications, moderation, ops.
  • Industrialized Stripe monetization: checkout, webhooks, customer portal sync.
  • Internationalization: 26 UI locales shipped.
2025 — Today

QA Engineer — Founder

OMBREMIMS · BuildYourTale
  • 33 Playwright E2E tests + visual checks as quality guardrails.
  • Regression campaigns orchestrated before every production release.
  • Quality triage, root-cause analysis, remediation plans.
2022 — 2023

QA Engineer

GTT · France
  • Complete QA workflow: traceability matrices, test campaigns, test plans, test sets.
  • Regression & integration testing for functional and non-functional stability.
  • Automation of repetitive tasks: RobotFramework, SeleniumLibrary, Python, GitLab CI/CD.
2020 — 2021

Full-Stack Developer

GTT · France
  • Reading user stories and developing high-performance, robust code.
  • Participation in sprint planning and delivery cycles.
  • Main language: C# / .NET.
2019 — 2020

Full-Stack Developer

MISACREA · France
  • Development of an e-commerce site.
  • Stack: PHP, HTML, CSS, SQL, Shell.

Education.

Engineering school & applied mathematics.

CY Tech · Engineering School
Master of Science / Engineering Degree in Mathematics and Computer Science (issued by the CTI – French Commission for Engineering Qualifications)
2020 — 2023 · Paris, France
University of Versailles
Associate Degree in Computer Science.
2018 — 2020 · Versailles, France

A web project to launch?

OMBREMIMS supports scoping, development, and going live. Drop us a line — the first conversation is on us.

atelier@ombremims.com → +33 7 60 68 95 71