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Ali HachemAH

Ali Hachem

R&D Engineer | Digital Signal Processing, Machine

€550/day
Paris, FR
3-7 years

Average response time: 1 hour

About Ali

I specialize in digital signal processing and machine learning for digital instrumentation, with hands-on experience across the entire project lifecycle. This includes everything from configuring data acquisition systems, processing raw data, and developing machine learning models, to training and validating them for specific applications. I am also skilled in integrating these solutions into embedded systems for real-time inference, ensuring that the technology is both effective and scalable. With a strong foundation in both theory and practical implementation, I aim to drive innovation in digital instrumentation and embedded machine learning.
  • Arabic

    Native or bilingual

  • French

    Fluent

  • English

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • Upwork
    Signal Processing Freelancer
    January 2025 - July 2025 (6 months)
    • Develop a reliable method for authenticating coins.
    – Analyze the signals to create a profile for each coin.
    – Optimize the code to run in real time.
    Python Digital Signal Processing
  • ACOEM
    Machine Learning R&D Engineer
    February 2024 - Today (2 years and 4 months)
    France
    • Analyze vibration data (digital filters, transfer functions).
    • Develop unsupervised ML technique for anomaly detection in rotating machines.
    – Reduce the load of service team.
    • Develop automated diagnostic system for rotating machines.
    – Implement weakly/self-supervised models.
    – Develop smart RPM system for engine speed measurement.
    – Improve the accuracy by 10%
    • Fine-tune Deep learning model for acoustic source classification.
    • Fine-tune speech language models for speech identification.
    • Create speech recognition system for predictive maintenance.
    • Refactor and optimize the code for poduction use.
    Machine learning Python keras Matlab PostgreSQL
  • CEA
    Ph.D Embedded ML for Nuclear Instrumentation
    January 2021 - January 2024 (3 years)
    • Build framework for data acquisition and labeling.
    • Review supervised and self-supervised ML for nuclear applications.
    • Compare deep learning models with state-of-the-art methods.
    • Develop a novel discrimination method (patent).
    • Review ML implementation on FPGA (MLP, 1D-CNN).
    • Implement MLP, 1D-CNN and deterministic methods on FPGA.
    TensorFlow Machine learning Python C++

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Education

  • Ph.D. in Signal Processing and Embedded Machine Learning
    Paris Saclay University
    2024
    Ph.D. in Signal Processing and Embedded Machine Learning
  • M.Sc. in Optimization and Machine Learning for Complex Systems
    University of Technology of Compiegne
    2020
    M.Sc. in Optimization and Machine Learning for Complex Systems

Skill set

Categories