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M SMS

M S

Full-stack product developer Real-time systems

€575/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About M

Full-stack developer and technical founder, I design and deliver products alone that most projects entrust to an entire team: fault-tolerant real-time engines, native desktop applications, web platforms, and data pipelines.
My difference: I master system engineering (event-driven architecture, high-frequency flow processing, reliability, and crash recovery) as well as product design (polished UI, brand identity, experience). I take a project from idea to a reliable, clean, and deployed deliverable.
Stack: TypeScript, Rust, Python, Next.js, React, Three.js, Tauri, Node.js, SQLite, Prisma, Stripe, multi-OS CI/CD.
What I can do for you: high-performance showcase or landing page, custom web or desktop application, real-time system, payment integration, redesign or takeover of a complex technical project.
100% remote work, production rigor (real tests, no patchwork), clear communication, and on-time delivery. Let's discuss your project.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • confidentielle
    Real-time algorithmic trading system
    March 2024 - Today (2 years and 5 months)
    Event-driven architecture processing high-frequency market data streams continuously: ingestion and normalization of deep order books, decision engine, automated execution, and supervision. High reliability requirement — stream freshness monitoring, automatic reconnection, crash recovery, strict simulation/production parity, integrated risk controls.
    Stack — TypeScript
    • · Next.js
    ◦ · SQLite
    ◦ · WebSocket
    ◦ · Oracle Cloud VPS
    TypeScript JavaScript
  • confidentielle
    Intelligent document processing desktop application
    September 2025 - Today (11 months)
    Local-first desktop application: sensitive information detection engine with multi-column layout analysis and complex document segmentation. 100% local processing — no data transmitted to the cloud (privacy by design). Coverage of 150+ automated tests and green continuous integration on Ubuntu, macOS, and Windows.
    Stack — Rust · Tauri · Next.js · TypeScript · GitHub Actions
  • Confidential
    Data analysis desktop application by vision
    November 2024 - Today (1 year and 9 months)
    Real-time analysis tool combining screen capture, OCR/computer vision extraction, and probabilistic calculation engine (Monte Carlo simulations). Multi-source architecture with a test suite covering the actual production path — no synthetic paths, no silent fallbacks.
    Stack — Python · PyQt6 · OCR / Computer Vision · Monte Carlo

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