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Théo PomiesTP

Théo Pomies

React Native / Expo / TypeScript & CTO Developer

€550/day
7 projects
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Théo

I am Théo, a graduate of EPITECH and CTO of a tech startup.
I help founders, startups, and product teams design, develop, and deploy React Native / Expo mobile applications, along with their backend, API, dashboard, and business integrations.

My positioning: deliver quickly, cleanly, with a simple, solid, and maintainable technical foundation.
I can assist with an MVP to be built from scratch, an existing application to take over, a technical redesign, a blocked release, or a product to be stabilized before scaling.

What I can handle:

- iOS / Android mobile development withReact Native, Expo, and TypeScript
- Creation of mobile MVPs, B2B/B2C applications, SaaS, marketplaces, or business tools
- Authentication, push notifications, payments, analytics, deep links, EAS Build
-App StoreandGoogle Playpublishing
- Backend, API, database, webhooks, admin dashboard, and third-party integrations
- Taking over existing applications: bugs, technical debt, performance, architecture
- Native React Native modules withSwifton iOS andKotlinon Android
- CTO / Tech Lead support: technical choices, architecture, roadmap, scalability

Main stack: **React Native, Expo, TypeScript, React, Next.js, Node.js, PostgreSQL, MySQL, PlanetScale, Firebase, Tailwind, Unistyles, TanStack**.

I favor simple and robust solutions: React / TypeScript by default, solid backend when necessary, and native Swift/Kotlin, Rust, or Python only when the product justifies it.

Do you have a mobile application, an MVP, a web app, or a platform to build, take over, or stabilize?
Contact me to frame the need and identify the best technical approach.
  • French

    Native or bilingual

  • English

    Native or bilingual

  • Spanish

    Conversational

Remote only
Primarily works remotely

Experience

  • Kivala Système
    CTO
    December 2023 - Today (2 years and 7 months)
    Paris, France
    Development of the entire technological stack for Kivala, the innovative building access management solution.
    • Resident mobile application
    • Access panel application
    • Admin and condominium back-office
    • Backend
    • DB
    From the idea, to the first features, and now in growth and scaling, I helped build Kivala as a freelancer before joining the adventure as CTO and partner.
    React.js TypeScript MySQL Mobile Application React Native
  • Rhinov
    R&D Intern, Machine Learning & AI
    ARCHITECTURE AND URBAN PLANNING
    March 2024 - October 2024 (7 months)
    Bordeaux, France
    Research, development, and deployment of Artificial Intelligence (AI) models applied to interior design/architecture.
    - Data extraction, preparation, and processing
    - Experiments on various Machine Learning models and techniques
    - Model validation and deployment
    - Research of innovative methods in scientific literature

    Results:
    - An interior architecture data detection model enabling the generation of a 3D scene (walls, vanishing points and camera perspective, furniture, etc.)
    - A consultative Chatbot and sales pipeline, enhanced by a business knowledge base (RAG) and access to tools.
    Python FastAPI Pytorch Artificial Intelligence Machine Learning
  • Reconomia
    Malt logoOn Malt
    Fullstack Developer - Mobile and Backend
    May 2023 - September 2023 (4 months)
    New York, NY, USA
    Development of a cross-platform Android, iOS, and web mobile application
    - React Native for the UI
    - Codepush for "over-the-air" deployment
    - Setting up CI/CD for this deployment

    Assistance with backend development
    - Hosted on Azure Functions and photo storage on Azure Blob Storage
    - FastAPI + SQLAlchemy
    CI/CD SQL Python REST API

Reviews

5.0

Out of 2 ratings

J

Jerome

Reconomia

Reviewed on 10/31/2023

We have carried out several missions with Théo: new project from scratch, maintenance, technical and functional evolutions. Whether on the backend or frontend, Théo has always been effective, relevant, and very reliable. He is an ideal multi-skilled profile for successfully completing projects from end to end.
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Account deleted

Reviewed on 6/16/2023

Recommendations

Adam CuvierAC
Benjamin Z.BZ
Grégoire BézierGB
+5
Adam Cuvier and 7 other people have recommended Théo

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Education

  • Expert Title in Information Technology (RNCP - Level 1)
    Epitech
    Ecole d'informatique et de développement portée sur tous les domaines, le web, le logiciel, le réseau et la sécurité. Titre d'Expert en Technologies de l'Information (RNCP - Niveau 1) Epitech Bordeaux -> Apprentissage Langages C, C++, Assembleur, Python et Haskell. -> Anglais - 925 au Tepitech (équivalent Toeic). -> Pédagogie par projets. -> Travail en groupe et/ou en autonomie. -> Exemples de travaux réalisés: -> Développement d'un shell en C -> Programmation graphique de jeux en C et C++ -> Programmation système, recoder malloc, ls, printf en C et des fonctions de la stdlib en ASM, etc... -> Devops: Docker et Jenkins (Configuration as Code) -> Solution à des problèmes mathématiques en Python (statistiques, vecteurs, matrices, etc...) -> Programmation fonctionnelle en Haskell
  • The Hacking Project
    The Hacking Project
    2020
    Bootcamp fullstack web sur la stack HTML+CSS+JS+Ruby+RoR -> Réalisation de site web statiques et dynamiques, responsive

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