nasser@portfolio

Nasser Ssessaazi

Software Engineer · Duisburg, Germany

I build reliable infrastructure and open-source tools — from network monitoring across East and Southern Africa to peer-to-peer protocol tooling.

MSc Computer Engineering · Universität Duisburg-Essen · Oct 2024 – present

Senior Software Engineer Jul 2021 – Sep 2024

Ubuntunet Alliance · Lilongwe, Malawi

  • Built server monitoring tools that improved infrastructure visibility across the organisation
  • Maintained cloud and network infrastructure for research institutions and universities in East and Southern Africa
Software Engineer

Btrust Builders · Remote

  • Open-source development — protocol tooling and developer education
Software Developer Dec 2019 – Jun 2021

Pegasus Technologies Ltd · Kampala, Uganda

  • Developed mobile-money payment APIs handling bill payments for utility companies across East Africa
  • Built internal data-analysis systems to extract insights from transaction flows
Student Tutor 2025

Universität Duisburg-Essen · Duisburg, Germany

  • Support students one-on-one with debugging and building their Python projects during office hours
Python pickhardtpayments

Python package implementing Pickhardt Payments for optimally reliable payment delivery over payment-channel networks

 Rust peer-observer

Tooling to monitor peer-to-peer network anomalies and attacks using instrumented nodes

 Python ml_models

A collection of machine learning algorithms implemented from scratch in Jupyter notebooks
Aufgeräumte Git-Branches: Ein Einzeiler aus den geleakten Entwicklerdokumenten der CIA Feb 2026
Der verborgene Preis der Geschwindigkeit: Warum Sicherheit zunächst leise scheitert Oct 2025
SSL, TLS, HTTPS erklärt Sep 2025
Was ist eine Data Pipeline? Sep 2025
MQTT: The Lightweight Backbone of the Internet of Things Jun 2025
From Disaster to Dominance: How Git Transformed The Way You Write Code Apr 2025
Why Law Firms in Uganda need to set up business profiles on Google Jun 2024
Quantum Computing: When Bits Become Quantum Bits Jun 2024
5 Python Libraries for Lazy Data Scientists Nov 2023
Transaction malleability in Bitcoin: what it is and why it matters Mar 2023
How BIP324 improves Bitcoin's privacy Feb 2023
(Almost) Everything you need to know about coin selection in Bitcoin Core Feb 2023

LANGUAGES= C#, Python, SQL, Java, Rust

TECHNOLOGIES= AWS, Git, Docker, .NET, Prometheus, Grafana, Linux, Ansible

SPOKEN= English (C1), German (B2)