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Othman S.OS

Othman S.

AI / LLM Engineer / PhD / Ex-Meta

€1,000/day
Zurich, CH
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Othman

Looking for someone who can take your AI project from idea to production, without getting stuck in the demo stage? That's what I do. Check out delegatee.ai

I am a senior AI engineer, specializing in production systems: RAG pipelines, LLM agents, document processing, observability, cost optimization. My approach is concrete: I work on the architecture, write the code, and support you through deployment.

My background: PhD in Machine Learning, 8 years at Meta (FAIR + Reality Labs) designing and deploying ML models used by millions of people. Now freelancing, I leverage this experience to help companies move from prototype to a robust system.

Types of projects:
• Audit of an existing AI system and improvement roadmap (3-5 days)
• Complete build of a RAG pipeline on your documents and data (4-8 weeks)
• Design of agents to automate a business workflow (3-6 weeks)
• Benchmark and reduction of inference costs, with measured gains (2-4 weeks)

Particular experience with complex and regulated document environments: financial services, insurance, compliance.

Based between Zurich and Paris, available remotely anywhere in Europe. FR/EN.
  • French

    Native or bilingual

  • English

    Fluent

  • Arabic

    Native or bilingual

  • German

    Conversational

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

Experience

  • Meta (Reality Labs)
    Senior ML Engineer / Technical Lead
    January 2022 - Today (4 years and 7 months)
    Zürich, Switzerland
    • • Led end-to-end deployment of ML systems on Meta Quest devices, shipping to millions of users across five product generations under strict reliability and on-device performance constraints.
    • • Designed scalable training pipelines, evaluation frameworks, and production monitoring for spatial understanding models.
    • • Cross-functional work with product, software engineering, and research; mentored junior engineers.
    LLM System Design Machine Learning & Deep Learning
  • Meta (FAIR – Facebook AI Research)
    PhD Researcher / Research Scientist
    May 2018 - October 2021 (3 years and 5 months)
    Paris, France
    • • Research on deep learning for generative models and visual understanding. Published 2 papers at top-tier conferences
    (ECCV, ICCC); received a Best Paper Award.
    • • Custom PyTorch implementations on FAIR HPC clusters; deep familiarity with transformer internals and large-scale training.
  • Autonomous Driving
    Resident Intern
    January 2015 - January 2016 (1 year)
    Sunnyvale, CA, USA
    • • Object detection and safety-critical CV on real-world driving video; early grounding in reliability-first ML.

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Education

  • PhD in Machine Learning
    Paris Est University
    2021
    PhD in Machine Learning
  • Engineering Degree
    Ecole Nationale Des Ponts & Chaussées
    2018

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