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Romain KusnikRK

Romain Kusnik

Expert Python/C++ | Architecture & Backend

€550/day
Marseille 14e Arrondissement, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Romain

💡 Software Architect & Senior Python/C++ Developer | 19 years of expertise in design and optimization

🔹 Expert in software architecture and backend development, I support companies in the design and optimization of their software systems.
🔹 With a deep understanding of business needs, I can specify precisely, make appropriate technological choices, and design simple, modular, and scalable architectures.
🔹 My expertise optimizes productivity, ensures efficient scalability, and facilitates application maintainability, thus ensuring smooth integration and controlled evolution.

🎯 Goal: Develop high-performance, secure solutions aligned with your strategic challenges.

🚀 Need an expert? Let's discuss your project.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Marseille 14e Arrondissement (up to 50km)

Experience

  • FDJ
    Senior Software Development Consultant
    September 2020 - October 2024 (4 years and 1 month)
    PROJECT: Support for FDJ's network and systems engineering teams. Development of custom software solutions to optimize operations and maintain FDJ's Data Centers.
    MAIN ACTIVITIES:
    • User needs analysis: Gathering and analyzing network team needs to design and develop custom tools.
    • Tool design and development: Developing applications for firewall administration, including managing traffic flows and security policies.
    • Process automation: Creating automation workflows for processing ServiceNow tickets, reducing processing time and improving efficiency.
    • Technologies used: Development in Python (Django, Flask, Selenium), containerization with Docker, code versioning with Git.
    • Agile methodology: Participation in sprints, managing user priorities, project tracking, and delivery.
    • Project and delivery management: Coordination with teams to meet business needs, delivering features within deadlines and quality requirements.
    TECHNICAL ENVIRONMENT:
    • Python, PowerShell, Shell.
    • Linux CentOS, Red Hat, REST API: Fortinet, Service Now, Docker, Git.
    • IDE: VS Code, PyCharm
    • REST API Forti, CMDB, Django
  • SFR
    Senior Software Development Consultant
    June 2017 - January 2020 (2 years and 7 months)
    PROJECT: (2017 to end of 2018) Evolving the internal firmware of set-top boxes so they could be configured remotely by servers via the TR-069 protocol used in the US and Portugal.
    Team size: 5 development engineers and 1 QA engineer.
    MAIN ACTIVITIES:
    • Design, feasibility study, technical choices, and proposal of a software architecture to the client for optimal integration of a TR-069 client within the Gateways.
    • Implementation and integration of a TR-069 client using a pre-selected framework.
    • OpenWrt compilation chain scripting.
    • Installation and administration of a TR-069 server for launching test campaigns.
    • Python development of scripts for launching unit tests on the set-top boxes.
  • SFR
    Senior Consultant
    January 2017 - January 2020 (3 years)
    Technologies: C, Shell, and Python, Linux OpenWrt, Git, REST API, TR-069, Proxy, DNS, Gateway, Agile.

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