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Dan SebbahDS

Dan Sebbah

C# Developer

€600/day
Marseille, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Dan

Over the years, I have developed an ability to integrate into large projects and adapt to ensure the whole remains a coherent block, while trying to introduce best practices where possible, as well as the right amount of unit tests.
I have good client interaction skills and am often placed in front-line roles, sometimes in "firefighter" mode depending on the project types.
I have also been solely responsible for managing everything ('CTO' of a startup), which allowed me to have an overall vision of development, from requirements gathering, to server procurement, through modeling, development, deployment, and administration, with a dose of security.
After more than 13 years of experience, about 10 in large teams and 3 in a startup, I have developed expertise in the .NET environment and SQL, particularly in highly multithreaded and asynchronous environments.
I master the tools usually associated with code management (SVN/Git), deployment (Jenkins/Gitlab), and editing (VS / VS Code).
Depending on the projects, I have also touched on Python, Java, as well as Web with Angular and HTML/CSS and JQuery / Bootstrap. I have also done desktop development primarily with DevExpress (WinForms).
I have mainly worked in the banking sector (back/middle or front office), I have notably worked with the FIX protocol but am open to all sectors.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • BSD Investing
    Chief Technology Officer
    February 2020 - Today (6 years and 4 months)
    Paris, France
    Create tools and the associated environment to build a foundation and analyze funds in terms of active vs. passive funds.
    - Requirements definition
    - Development
    - Server procurement
    - Deployment
    - Support
    - System administration
  • Exane
    Software Engineer
    February 2017 - February 2020 (3 years)
    Paris, France
    Example tasks:
    - Adding features to the OMS related to Trade Advert, IOI, Workflow Risk Trading, etc.
    - Almost complete elimination of the red X Winforms bug
    - Improvement of logs, implementation of tools for better testing (hot configuration changes, custom message sending to backend, manual message sending to controllers, etc., repository export)
    - User support in the trading room if necessary
    - Participation in discussions to promote code review usage
    - Migration of tools to Win10 / Oracle 12 / x64
    - Creation of tools for MIFID2 in Python + Postgresql for order traceability during Technologies: SVN (Git migration in progress), Jira/Confluence/Crucible, Jenkins, ZeroMQ, FIX protocol Client Dev: C# .NET 4.6.2, DevExpress, Winforms, DevExpress, MVC, nuget, React Server: Java, redis, maven, nexus, red hat linux Bases: Redis, MongoDB, Oracle, PostgreSQL Others: code reviews, multithreading, international environment A small bonus of the mission: a team that is as exceptional humanly as technically
  • Coface
    Tech Lead
    November 2015 - February 2017 (1 year and 3 months)
    Bd Périphérique, Paris, France
    Debt collection file application. Migration from VB.NET to .NET Framework 4.5 Architecture around:
    - Redis for the NoSQL database
    - RabbitMQ for message transfer between services
    - C# .NET FMK 4.5 backend
    - AngularJS frontend (the first version)
    - Use of the ELK stack for log management and monitoring
    - Continuous integration with Jenkins Codebase under SVN. I had the opportunity to start the development of this project alone, until the maturity was such that the whole team could join me and gradually migrate the code from the old VB service for entering debt collection files.

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Education

  • M2 MODO, Decision Support - Operations Research
    Université Paris Dauphine- PSL
    2010
    M2 MODO, Aide à la décision - Recherche Opérationnelle
  • M1 SIS, Computer Science
    Université de Toulon
    2008
    M1 SIS, Informatique

Skill set (29)

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