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Karim AssalyKA

Karim Assaly

Supermalter

Backend Developer - Golang

€450/day
4 projects
Lyon 6e Arrondissement, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Karim

Backend Developer passionate about software architecture. I work mainly on the algorithmic and software architecture side, so essentially backend. I am capable of working in person as well as remotely and I like to maintain client contact to update them on the progress of the software designed.
  • French

    Native or bilingual

  • English

    Native or bilingual

  • Arabic

    Native or bilingual

  • Spanish

    Basic

  • Russian

    Basic

Can work on-site
Lyon 6e Arrondissement (up to 50km), Paris (up to 100km), Lille (up to 100km), Bordeaux (up to 100km), Marseille (up to 100km)

Experience

  • OVHcloud
    Backend Developer
    DIGITAL AND IT
    February 2025 - Today (1 year and 4 months)
    Lyon, France
    Development of the OVH offer catalog
    RUN to monitor and fix bugs that could prevent production from functioning correctly as quickly as possible
    R&D on complex data formats for offers that may contain multiple offers
    Transformation of an old legacy catalog in Perl to a new GO workflow with 4 new services.
    GO MongoDB PostgreSQL Kubernetes Python
  • Besson Chaussures
    Lead Backend Developer
    E-COMMERCE
    May 2024 - November 2024 (6 months)
    Clermont-Ferrand, France
    Develop microservices communicating through a RabbitMQ stream for e-commerce data from Adobe Magento to manage products, stock, orders, coupons, etc. of the store. Serve as an expertise reference in Golang to educate and guide teams on the Golang language.

    Implementation of Sentry.io with the Golang SDK to monitor classic and critical errors within microservices.

    Implementation of MixPanel with the Golang SDK to track user usage and report event logging across microservices.

    Development of multiple utility microservices for the client such as an email server working with Mailgun.

    Implementation of Graylog with ElasticSearch for error and event logging.

    Implementation of CI/CD in GitHub Actions for unit test verification and deployment of the docker image to DockerHub.

    Train and guide teams on Golang best practices.
    GO CI/CD Docker PostgreSQL Project Management
  • NGE
    Backend Developer
    INTERNET OF THINGS (IOT)
    July 2023 - April 2024 (9 months)
    Le Havre, France
    Company aiming to be the market leader in monitoring data from connected sensors. The goal of my mission was to integrate the JSON data sent by the sensor and store it in the database, but also to have a sensor model at the software level. The mission involved a lot of refactoring of the code architecture, which had to be updated for a v3 of the software.
    Golang MongoDB PostgreSQL Docker AWS

Reviews

5.0

Out of 3 ratings

D

David

Sprint Développement - Golang - Hup Media

Several weeks project

-

Reviewed on 2/3/2026

Karim integrated into our environment very quickly. He accurately understood the company's context, its technical infrastructure, and the project's challenges. Attentive, rigorous, and very responsive, Karim asks pertinent questions, facilitating the anticipation of issues and the optimization of technical decisions. His methodological contribution, particularly in organizing sprints, structuring tasks and sub-tasks, was a real asset to the project. His experience contributed to improving the overall project structure. The delivered code is clean, readable, and perfectly compliant with the Figma mockups. Karim worked in perfect harmony with the internal developer, in a collaborative and intelligent spirit. He knows how to adapt, propose ideas, and constructively flag constraints or feasibility issues when necessary. We would gladly work with him again and recommend him without hesitation.
A

Alberte

Developpeur Backend - Go pour ovh - OVH Cloud

Several weeks project

-

Reviewed on 1/6/2026

Recommendations

Moussa H.MH
Rayane LoRL
Moussa H. and 1 other person have recommended Karim

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Education

  • Master EPITECH - Expert in Information Technology - EPITECH Grand School Program
    EPITECH
    Diplôme d’ingénieure dans le domaine du développement logiciel
  • Bachelor EPITECH - Expert in Information Technology - Grand School Program
    EPITECH

Certifications

  • EPITECH Bachelor
    EPITECH
    Docker Back-End Development GO Web Development
  • EPITECH Masters
    Epitech
    Golang C++ Docker Agile methodology Linux Back-End Development Project Management GO Web Development

Skill set

Categories