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El Kharroubi K.EK

El Kharroubi K.

Fullstack AI Engineer

€750/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About El Kharroubi

I am a fullstack developer specializing in Next.js, AI, and mobile applications.
I help startups and SMEs create modern, fast, and reliable products from concept to production deployment.
  • French

    Native or bilingual

  • English

    Native or bilingual

  • Spanish

    Fluent

  • Italian

    Native or bilingual

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

Experience

  • Renalto
    Senior Software Engineer
    CIVIL ENGINEERING
    May 2025 - Today (1 year and 1 month)
    Paris, France
    I led the full-stack development of web and mobile applications using Next.js, Supabase, Vercel, and Capacitor, unifying and streamlining the user experience across all platforms.
    I designed intelligent workflows and structured prompts, focusing on cost control and latency optimization, thereby contributing to the reliability and robustness of our AI assistant, Rita.
    I delivered features iteratively through automated CI/CD pipelines, including preview environments and quality gates like ESLint and unit tests, which improved our deployment process and reduced errors.
    I worked closely with tradespeople to refine the product based on concrete field feedback, allowing us to better measure adoption and increase user satisfaction.
    I contributed to helping tradespeople save time, reduce errors in their quotes, and increase their customer acceptance rates, directly improving their sales performance.
    Next.js Fullstack AI Agent Start-up Vercel
  • Deepki
    Software Engineer
    REAL ESTATE
    February 2023 - May 2025 (2 years and 3 months)
    Paris, France
    I developed and optimized scalable backend solutions in Python, Flask, and Pandas, which improved the performance of our ESG SaaS platform.
    I managed database systems such as MongoDB, Redis, and InfluxDB, ensuring efficient and reliable data processing for our users.
    I designed robust and user-friendly interfaces in JavaScript, focusing on Vue.js and TypeScript, contributing to a better experience for property owners.
    I implemented an event-driven architecture with RabbitMQ and designed efficient APIs following Swagger/OpenAPI specifications, which facilitated integrations and strengthened functional consistency.
    I used containerization and infrastructure as code via Docker, Terraform, and Ansible to establish smooth CI/CD workflows, enabling faster deployments and updates.
    I placed great importance on code quality and maintainability through TDD/BDD methodologies, extensive unit tests, and regular code reviews, establishing a true culture of excellence within the team.
    I fully evolved in a collaborative environment valuing innovation and continuous improvement, actively participating in technical decisions and mentoring team members to elevate their skills.
    Python JavaScript Fullstack Start-up Vue.js
  • SAFRAN
    Software Engineer
    AVIATION AND AEROSPACE
    March 2022 - March 2023 (1 year)
    Paris, France
    I contributed to R&D projects at the intersection of aeronautics and artificial intelligence, developing innovative tools for industrial processes.
    I created prototypes and internal applications in Python and JavaScript, implementing data processing, simulation, and visualization techniques.
    Python JavaScript Fullstack Aeronautics R&D

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Education

  • Computer and Electronic Software Engineer
    Polytech Sorbonne
    2022

Skill set

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