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Younes TemarYT

Younes Temar

Full Stack Developer Java / NextJs

€300/day
Nice, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Younes

Full Stack Java / Next.js Developer, I design high-performance, scalable, and secure web applications.
Specialized in back-end development (Java Spring Boot, FastAPI) and modern front-end (Next.js, Tailwind), I also have solid DevOps foundations (CI/CD, Docker, AWS).
My typical missions: MVP creation, process automation, dashboards, business APIs.

I am also an engineer, which allows me to understand technical and business needs with precision.

Available up to 20 consecutive days per month (28/28 schedule), I prioritize well-defined missions with clear deliverables – fast, organized, efficient.
  • French

    Native or bilingual

  • English

    Conversational

  • Arabic

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • SERS IT
    Data Scientist - Cryptocurrency Signal Analysis
    BANKING AND INSURANCE
    November 2023 - Today (2 years and 7 months)
    Antibes, France
    • Development and optimization of a cryptocurrency trading signal prediction model from multiple sources.
    • Collection and structuring of data from Telegram signal providers, global financial news (X/Twitter, Bloomberg, CoinMarketCap, Reuters, etc.).
    • Analysis of correlations between market volatility, technical indicators (RSI, MACD, Bollinger), impactful news, and historical data.
    • Detection and segmentation of winning signal clusters using Machine Learning algorithms (K-means, Random Forest, XGBoost).
    • Development of an automated Python pipeline for real-time signal ingestion, cleaning, and analysis.
    • Visualization and monitoring of model performance with MLFlow.
    • Continuous improvement of the algorithm to reduce false positives and increase prediction accuracy.
  • SIFAM
    Full Stack Developer Java / NextJs
    November 2020 - October 2023 (2 years and 11 months)
    • Creation and maintenance of the e-commerce website
    • Development
    • Maintenance of intranet applications
    • Implementation of UX and visual design concepts to improve the user interface of the site and internal applications (FIGMA)
    • Creation of mockups and wireframes for user experience optimization
    • Implementation of a Transport Management System
    • Implementation of a Product Management System
    • Implementation of a Warehouse Management System
    • Creation of a Platform As A Service (PAAS) to extend the functionalities of the X3 ERP with a REST and GraphQL API for partners (clients and suppliers)
    • Monitoring of service quality (maintenance, improvement)
    • Participation, during the integration phase, in sprints aimed at following code reviews for developments using the agile method
  • DSI Pôle Emploi
    Full Stack Developer Java / Angular
    January 2020 - September 2020 (8 months)
    Nice, France
    Project: Recruitment platform using the Simulation Recruitment Method (MRS)
    Context and missions:
    - Analyze needs, design a solution, and translate client needs into technical tasks on Trello
    - Develop and implement (code) front-end and back-end features and evolutions of the application
    - Make modifications and evolutions, fix anomalies
    - Prepare the solution delivery for testing phases
    - Update component nomenclature
    - Ensure deadlines, standards, and code quality are met for these developments.
    - Ensure the smooth running of the agile Scrum method despite difficult conditions during lockdown.

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Education

  • Manager in SI architecture and software applications
    CESI Nice
    2023
    Manager en architecture et applications logicielles des SI
  • IA Engineer – data scientist
    Openclassroom
    2025
    IA Engineer – data scientist

Skill set

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