Hello, I'm

Nessah Mohamed Nadjib

Full Stack Developer

Full Stack developer specialized in banking systems, building secure APIs, reliable architectures, and mission-critical payment solutions for regulated environments.

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Experience

  1. Trust Bank Algérie

    07/2025 – Present

    Full Stack Developer

    Hydra, Algiers

    • Designed an RTGS for processing ISO 20022 MX messages for interbank payment flows with the Bank of Algeria.
    • Developed an ISO 20022-compliant Instant Payment System (SPI) for the Interbank Pre-clearing Center.
    • Delivered a dematerialized interbank card in ASP.NET and Flutter in partnership with SATIM.
    • ASP.NET
    • ISO 20022
    • SPI
    • RTGS
    • Flutter

  2. HB Technologies SPA

    02/2025 – 06/2025

    Master Internship

    Rouiba, Algiers

    • Developed a loyalty and e-payment platform using Spring Boot, ASP.NET and Flutter.
    • Integrated a jPOS payment gateway for secure ISO 8583 transactions.
    • Implemented an adaptive rewards system based on Q-Learning and NFC smart-card emulation in C#.
    • Spring Boot
    • ASP.NET
    • Flutter
    • jPOS
    • ISO 8583
    • C#

  3. SARL DATAGIX

    02/2023 – 06/2023

    Bachelor Internship

    Mohammadia, Algiers

    • Extended the WHMCS platform to manage Cloud and Telecom services from the client portal.
    • Integrated a 3CX IPBX monitoring module through APIs.
    • WHMCS
    • Django
    • 3CX
    • Cloud
    • Telecom

Projects

Project preview for E-commerce website

E-commerce website

Complete order and sales management platform with a smooth customer experience, purchase tracking, and admin tools for products, users, and orders.

  • E-commerce
  • Order management
  • Dashboard
Project preview for Carpooler

Carpooler

Ride-sharing app with real-time geolocation, route management, and dynamic coordination between drivers and riders.

  • Mobility
  • Geolocation
  • Real-time
  • UX
Project preview for OXXO-PHONE

OXXO-PHONE

3CX enterprise telephony integration with WHMCS, including IPBX monitoring and call management to improve support efficiency and telecom service delivery.

  • Integration
  • Telephony
  • WHMCS
  • 3CX

Education

  1. University of Science and Technology Houari Boumediene (USTHB)

    09/2023 – 06/2025

    Master in Software Engineering

  2. University of Science and Technology Houari Boumediene (USTHB)

    12/2020 – 06/2023

    Bachelor in Information Systems and Software Engineering

An opportunity, a project, or just want to connect? My line is open.

nessah.nadjib@gmail.comLinkedIn