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Claude OneillCO

Claude Oneill

senior system engineer

€350/day
Barcelone, ES
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Claude

Senior system engineer with over 20 years of experience in leading high-impact IT projects in critical environments. Expert in Linux, Django, Python, and PostgreSQL ecosystems, with extensive knowledge of AWS Cloud (EC2, RDS, EMR, SageMaker).

Skilled in designing resilient architectures, performance optimization, and integrating AI-driven components into modern infrastructures. Proven experience in delivering scalable, secure, and future-ready solutions.
CEO and Founder of the service company “Lockheed LLC”


CTO of Ideo-Lab company:
  • French

    Native or bilingual

  • English

    Native or bilingual

  • Spanish

    Conversational

Remote only
Primarily works remotely

Experience

  • DoctoLib
    Senior Backend Developer (Python/Django)
    PHARMACEUTICALS INDUSTRY
    April 2008 - April 2014 (6 years)
    Nantes, France
    Design of the DoctoWorkflow engine (teleconsultation, prescriptions). { Development of a secure REST API with RBAC (Django & Python) Redesign of patient notification system via Amazon DynamoDB: Event. AP-HP integration, MonDocteur merger, large-scale deployment. Implementation of teleconsultation from 2019.

    Creation of the "Patient Timeline" API, centralizing patient pathways. Deployment of Docker & Kubernetes infrastructure on AWS. Secure management of healthcare data (PostgreSQL, RGPD, HDS). Technos : Django, Python, PostgreSQL, Docker, AWS, DynamoDB
    PostgreSQL Docker Django Python AWS
  • Eventbrite
    Python Web
    April 2023 - May 2025 (2 years and 1 month)
    San Francisco, CA, USA
    Responsible for the Eventbrite public API (Django REST, PostgreSQL). Mainframe: Technical supervision of the backend team and release management. Development of a search engine for events (Elastic). Creation of a marketing tool with behavioral scoring and analytics. Implementation of a multilingual I18N system (20+ languages). Contribute to the platform's international scalability. Continuous integration and API documentation for developers. Designing and a serverless architecture
  • Airbus
    Senior System Engineer
    AVIATION AND AEROSPACE
    August 2021 - April 2023 (1 year and 8 months)
    Toulouse, France
    Embedded software development for A320/A340 cockpits (Ada, C++)
    Deployment ofPySparkpipelines on Skywise for aeronautical data analysis.
    Docker / Kubernetes architecture for workflow industrialization.

    Rust real-timeProof of Concept (SKYPULSE-RS) for embedded predictions.

    Contributions to thescikit-decideproject (trajectory optimization).

    Maintenance in "Python" of TDREP and Digital Cockpit projects.



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Education

  • INSTRUMENT FLIGHT RULES Aeronautics Solutions Engineer
    IFR
    INSTRUMENT FLIGHT RULES Aeronautics Solutions Engineer
  • Development of JPALS - Joint Precision Approach and Landing System
    Development of JPALS - Joint Precision Approach and Landing System

Skill set

Categories