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Remote & relocation open

Cairo, Egypt

Software Engineer, Full-Stack

AbdelrahmanMagdy.

Five years building production SaaS platforms for international clients across the U.S., Europe and the Gulf, in cybersecurity, B2B trading and financial workflows.

Selected systemsGet in touch
Illustration: cybersecurity, B2B trading, fintech and automation systems connected to one engineering core, ringed by Java, Spring Boot, React, Angular, AWS and Azure. A/MPRODUCTIONCybersecuritySYS-01 · SHIELDB2B tradingSYS-02 · NEWPOWERFintechSYS-03 · OLQANAutomationSYS-04 · C3S
Currently
  • Software Engineer, C3S Software
  • Tech Lead, Olqan
Specialism
Complex integrations, payment and billing systems, scalable backend and cloud architecture.
Core stack
  • Java
  • Spring Boot
  • React
  • Angular
  • AWS
  • Azure
Markets
  • U.S.C3S
  • EUOlqan
  • GulfTalab Hub

Selected systems

Production work · client systems

Four production records. Each opens into a case study where every figure sits beside the engineering that produced it.

SYS-01Cybersecurity

Cyber Shield Portal

Pulsar Security · via C3S Software

Cybersecurity features protecting and managing 5,000+ customer domains: bulk management, dark-web monitoring and vulnerability reporting.

~40%

faster report generation

With real-time tracking of long-running scans and reports

  • Java
  • Spring Boot
  • AWS
  • CDK
  • DDD
Illustration · not a screenshot of client software. Illustration of a domain-monitoring dashboard: a list of monitored domains with status tags, a scan radar, and progress tracking for long-running scans and reports.
SYS-02B2B electronic-component trading

NewPower Trading Platform

NewPower Worldwide · via C3S Software

Vendor integrations and a concurrent lookup system for a microservices-based B2B electronic-components platform serving real-time stock and pricing data.

70%

improvement in server efficiency

Freezes under load eliminated

  • Java
  • Spring Boot
  • Microservices
  • ELK
Illustration · not a screenshot of client software. Illustration of vendor feeds arriving over REST, SFTP and web scraping into an integration layer, queued, processed by concurrent workers, and published as stock and pricing data.
SYS-03Banking, billing, finance, accounting & compliance

Olqan Financial Systems

Olqan

Billing, accounting and compliance features (Stripe, QuickBooks, ZATCA e-invoicing), with the API and SPA foundation, CI/CD, and a normalised database schema.

75%

reduction in SQL query load

Across measured workflows

  • Next.js
  • Stripe
  • QuickBooks
  • CI/CD
  • API Integrations
  • Financial Systems
  • System Architecture
Illustration · not a screenshot of client software. Illustration of financial workflows: a tax invoice with VAT and an e-invoicing QR block, a Stripe subscription card, a QuickBooks accounting-sync card, and credit and debit notes.
SYS-04Internal systems & workflow automation

C3S Internal Products

C3S Software

A redesigned employee portal whose scheduling and notification automation saves managers 8+ hours per week, and the company's corporate website.

8+ hrs

saved for managers each week

Scheduling and notification automation

  • React
  • Node.js
  • Angular
  • Laravel
Illustration · not a screenshot of client software. Illustration of an employee portal: a weekly schedule of events, performance reviews, time tracking and requests, with automated scheduling and notifications.

Full register, including further production work

Experience

Primary engagements first · some overlap

  1. Nov 2022 – Present

    Current

    United StatesUSA-based · remote

    C3S Software

    Remote · USA-based

    Enterprise products in cybersecurity and B2B trading for Pulsar Security and NewPower Worldwide.

    • Java
    • Spring Boot
    • Laravel
    • Angular
    • React
    • Node.js
    • AWS
    • Azure
    • Terraform
    • Microservices

    • Software Engineer

    customer domains
    5,000+
    vendor integrations delivered
    12 / 19
    saved for managers weekly
    8+ hrs

  2. Apr 2025 – Present

    Current

    EuropeEstonia · remote

    Olqan

    Estonia · Remote · Independent contractor

    Banking, billing, finance, accounting and compliance features, plus the API and SPA foundation.

    • Next.js
    • Stripe
    • QuickBooks
    • CI/CD
    • API Integrations
    • Financial Systems
    • System Architecture

    • Tech Lead

      Aug 2025 – Present

    • Senior Software Engineer

      Apr 2025 – Aug 2025

    less SQL query load, measured workflows
    75%

  3. Jun 2024 – Nov 2024

    Outlier AI

    Freelance

    LLM response evaluation contributing to RLHF quality.

    • AI Trainer

    AI training tasks
    100+

  4. Oct 2021 – Aug 2023

    GulfSaudi Arabia · remote

    Talab Hub

    Remote · Saudi Arabia · Freelance

    Restaurant management SaaS platform.

    • Laravel
    • React

    • Full-Stack Developer

    restaurants onboarded
    20+
    higher sales volume, contributed to
    35%

Full history, timeline and education

Capabilities

Highlighted chips mark the core stack

Languages05
  • Java (JVM)
  • JavaScript
  • TypeScript
  • Python
  • SQL
Backend08
  • Spring Boot
  • Spring Data JPA / Hibernate
  • Spring Security
  • Node / Express
  • Prisma
  • Laravel
  • JUnit / Mockito
  • Maven
Frontend09
  • React / Next.js
  • Angular
  • Redux
  • Astro
  • CSS / SCSS
  • Tailwind
  • Bootstrap
  • shadcn/ui
  • Responsive & performance
Databases05
  • MySQL
  • SQL Server
  • MongoDB (NoSQL)
  • Elasticsearch (ELK)
  • Redis
Cloud & DevOps08
  • AWSS3 · Lambda · Elastic Beanstalk · SQS · SNS
  • Azure
  • Docker
  • Kubernetes
  • CDK
  • Terraform
  • Jenkins
  • CI/CD
Architecture & APIs07
  • Microservices
  • Event-driven architecture
  • Kafka
  • REST APIs
  • GraphQL
  • OpenAPI / Swagger
  • Domain-Driven Design
Practices07
  • Agile / Scrum
  • Unit testing
  • Git
  • OOP
  • Design patterns
  • Code review
  • Data structures & algorithms

Personal work

Independent projects · not client work

  • Real-Time Trading Terminal

    Sep – Oct 2026

    IBKR trading platform · Personal project

    A real-time trading platform integrated with Interactive Brokers (IBKR): live market data, historical OHLCV candlestick charts, portfolio positions, real-time P&L, market and limit Buy, Sell and short orders, and Python-based market news and AI insights.

    • Java
    • Spring Boot
    • Go
    • Python
    • Next.js
    • PostgreSQL
    • Redis
    • Kafka
    • WebSockets

    Engineering highlights

    • Event-driven processing on Kafka, with a Transactional Outbox for reliable event publishing
    • Shared market-data subscriptions fanned out over WebSockets, with backpressure and slow-consumer handling
    • IBKR rate limiting and pacing, automatic session recovery and resubscription, and order-state reconciliation
    • MOCK / IBKR / AUTO market-data modes, including a deterministic simulated live feed for development and demos
    • Contract-first APIs with OpenAPI, AsyncAPI and JSON Schema; TLS and secret isolation for the broker integration
    • Prometheus, Grafana and OpenTelemetry observability, health and readiness checks, and load and failure testing

  • Smart Hotel Locks

    Sep – Oct 2022

    IoT integration backend · Personal project

    Tuya smart locks integrated through a Node.js GraphQL API with PostgreSQL for hotel access management.

    • Node.js
    • GraphQL
    • PostgreSQL
    • Tuya

  • FilePulse

    Filesystem monitoring and analytics · Personal project

    A Dockerized platform for real-time filesystem monitoring and analytics, with a FastAPI backend and an interactive dashboard. TimescaleDB and MongoDB store the events, and Isolation Forest detects unusual activity patterns.

    • Python
    • FastAPI
    • Pandas
    • Scikit-learn
    • TimescaleDB
    • MongoDB
    • Streamlit
    • Plotly
    • Docker
    • GitHub Actions

Education & certifications

Education

  • Information Technology Institute (ITI)

    Oct 2021 – Jun 2022

    Ministry of Communications and Information Technology (MCIT), Egypt

    Professional Diploma in Open-Source Application Development

    • 1,500 hours
    • Grade B

  • Matrouh University

    Sep 2017 – Jul 2021

    Bachelor of Science

    • GPA 3.625 / 4.0
    • Grade A

Certifications

Contact

Cairo, Egypt·Remote & relocation open

Open to remote roles and to relocation.