Zak Janzi

QA, DevOps and all things automation.

DOWNLOAD CV (.pdf)

Work Experience

2025 - Present

Novo

QA Engineer
  • Measured page load times and optimized resource requests.
  • Tested backend scalability under different load conditions.
  • Evaluated AI tool latency and responsiveness under stress.
  • Developed and executed end-to-end tests.
  • Detected model performance drift and ensured retraining triggers are in place.
  • Conducted manual testing of new features and integrations.
QA Engineer Image

2023 - Present

Lebanese Alternative Learning

DevOps Engineer
  • Tuning CDNs, caching policies, and TLS configurations to improve performance and reliability.
  • Maintaining observability and uptime by proactively monitoring and handling incidents.
  • Developing and maintaining automated test pipelines alongside DevOps processes.
  • Managing high-availability systems and implementing scaling strategies for large traffic volumes.
  • Focusing on cost optimization while ensuring secure and efficient infrastructure.
  • Identifying release risks early by aligning infrastructure with test coverage and quality checks.
DevOps Engineer Image

2021 - 2023

Tylleum - (Contract)

QA Automation Engineer
  • Defined and communicated a QA approach tailored to the Web3 landscape.
  • Analyzed software requirements and designed test cases with maximum coverage.
  • Designed, developed, and maintained E2E tests for mobile and web versions of the app.
  • Performed functional & non-functional testing.
  • Generated defect reports and identified blocking issues.
QA Automation Engineer Image

2023 - Present

Inbound Square (Contract)

Technical Writer
  • Wrote technical articles covering topics related to SaaS/PaaS tools.
  • Topics include Cloud Loud Testing, Test Environment Management, Non-Functional Testing.
Technical Writer Image

2020 - 2022

One More Multiverse

Senior Manual QA Engineer
  • Designed, developed and executed comprehensive test plans and test cases to ensure software quality.
  • Recorded, documented and triaged software bugs thoroughly.
  • Coordinated with product owners for testing plans and feature releases.
  • Managed a small team of junior testers.
Senior Manual QA Engineer Image

Projects

Personal and freelance projects.

#WEB3

BIP39 JavaScript Implementation

A JavaScript implementation of a cryptocurrency wallet generator for Bitcoin and Ethereum.

Tools: Node.js, Ethers.js, BIP39.js

#BACKEND #ALGORITHMS

A Quantum Proof Web Server

A quantum-resistant web server for a post-quantum computing world.

Tools: NGINX, libqos

#AUTOMATION

A Python Scraper

A script that scrapes the value of the LBP against the USD at the shadow market rate, then stores it in a DB.

Tools: Python, AWS Lambda, MongoDB, Docker

#ALGORITHMS

Game of Life

Conway's Game of Life cellular automata simulation in JavaScript.

Tools: JavaScript🍦, p5.js

VIEW LIVE

#QA #AUTOMATION

Automated Testing Framework

A suite of automated tests for an E-Bank using Selenium and TestNG.

Tools: Selenium, Java, TestNG

#FRONTEND

A Company Site

A static website for a Parkour gym.

Tools: HTML, SCSS, JavaScript🍦

VIEW LIVE

Writing

A collection of thoughts, articles, and documentation.

2023

Cloud Load Testing

An article about cloud load testing concepts, tools and best practices.

2024

Test Environment Management

An article about test environment management best practices.

2024

Non-Functional Testing

Non-Functional testing types and best practices.

2024

Playwright API Testing

A comprehensive guide for API testing with Playwright, including practical examples and best practices.

TL;DR

A short summary of my background and experience.

Tech Stack

  • Languages: JavaScript, Python.
  • Tech Stacks: MERN, LAMP.
  • Testing: Selenium, Playwright, Cypress, JMeter.
  • Tools: Git, Jenkins, Docker, Grafana, JMeter, NGINX.
  • Cloud: AWS, Akamai.
testimonial image