A Abdelrahman Hassan Hamdy

Senior Backend Engineer @ sonnen · EnergyTech · Germany

Building resilient backend systems
and automating infrastructure.

I’m Abdelrahman Hassan Hamdy — Senior Backend Engineer specialized in Python, Django, FastAPI, Flask, Celery, and SQLAlchemy. Currently working on Trading-VPP systems at sonnen, stabilizing legacy Django, and scaling async workloads.

Explore my stack Contact

Current Focus

Trading-VPP & Energy Devices

Working on mission-critical services that orchestrate energy devices, manage battery assignments, and integrate with internal trading APIs.

  • Stabilizing Django projects with damaged migrations.
  • Scaling Celery workers on cloud platforms.
  • Converting raw DB snapshots into proper Django models.
Available for remote consulting, code reviews, and backend audits.

Experience

Product teams, FinTech, automotive SaaS, and teaching.

2020 → 2025+

Senior Backend Software Engineer

Oct 2025 – Present

sonnen · Germany (remote from Cairo)

Working on the Trading-VPP ecosystem (energy devices, assignments, internal APIs, monitoring). Cleaning up Django projects with circular imports and enforcing better Celery setups.

  • Stabilised migrations after manual DB interventions.
  • Integrated monitoring (Sentry, Datadog, internal tools).
  • Collaborated with requirements engineers & analysts.

Senior Software Engineer (Django)

2024 – 2025

Autobia · KSA Automotive SaaS

Led refactor of an overgrown Django + Celery codebase (Watchtower). Fixed Celery configuration, added more workers, and replaced custom task tracking with django-celery-results.

  • Containerized services with Docker & multi-env (local/dev/prod).
  • Improved router and permissions structure.
  • Documented deployment via GitHub → Heroku.

Software Engineer (Backend)

2020 – 2023

Paymob · FinTech (Cairo) – Digital payments enabler across MENA.

Built REST APIs and integrations, handled secure auth flows, and worked with Django DRF best practices. Focused on clean serializers, OAuth/JWT, and API documentation.

Session Lead / Instructor

Ongoing

Udacity · ALX · Local tech centers (Egypt)

Trained 250+ developers in Python, Django, REST, Git, and deployment. Delivered workshops on Celery, Docker, AI-ready backends, and real-world architecture.

Selected Projects

Real products, internal tools, and assessments.

Need similar?

AssetSync

IT Asset Management system + Electron client (Win/macOS/Linux) to collect device info and sync to Django backend.

Django · Electron.js · REST · Docker

Watchtower

Heavy Celery-based task runner for automotive SaaS. Fixed workers, queues, and broker transport options. Added Flower monitoring.

Django · Celery · RabbitMQ · Heroku

ComplySync

Policy / compliance management platform inspired by KnowBe4. Multi-language policies, CSV import, campaigns, user tracking.

Django · DRF · Email · Multitenant-ready

DevTrack

Tracks software teams’ metrics, tasks, CI/CD performance, and delivery times. Built to mentor juniors.

Django · DRF · Charts

Automart E-commerce

Assessment project: products, inventory, delivery roles, JWT auth, scheduled stock checks, Dockerized.

Django · DRF · JWT · Celery · Docker

Octo-Framework

Open-source Python framework contributions. Focus on clean architecture, CLI, packaging, coverage.

Python · OSS · Tooling

Backend Frameworks & Tools

What I actually use in production.

Python & Frameworks

  • Python 3.12+
  • Django / DRF
  • FastAPI
  • Flask
  • SQLAlchemy / Alembic

Async & Distributed Systems

  • Celery (advanced configs)
  • RabbitMQ, Redis
  • django-celery-results / beat
  • Flower monitoring

Databases & ORM

  • PostgreSQL / MySQL
  • Schema design & query optimization
  • Data migrations & validation

Cloud & DevOps Expertise

Automating deployments and orchestrating scalable infrastructure.

Containerization & Orchestration

  • Docker / Docker Compose
  • Kubernetes (K8s)
  • Google Kubernetes Engine (GKE)
  • Helm & Seal (secrets)

Infrastructure as Code

  • Terraform (GCP / AWS)
  • Cloud networking & IaC pipelines
  • GitOps patterns

CI/CD & Cloud Platforms

  • Jenkins · GitLab CI · GitHub Actions
  • Google Cloud Platform (GCP)
  • Heroku · AWS S3 (hosting)

Let’s collaborate

Backend consulting, infrastructure automation, or training your team on Django, Celery, and Kubernetes pipelines. Remote from Cairo, Egypt.

Email: abdelrahman.hassan.hamdy@gmail.com

Cairo, Egypt (UTC+2)

English · Arabic (Egyptian)