Karlo Smid, Developer in Zagreb, Croatia

Karlo Smid

Quality Assurance Developer

Location
Zagreb, Croatia
Toptal Member Since
May 10, 2013

Karlo is a senior test engineer with skills in test automation, team leadership, and documentation. As a software tester, he likes to break stuff that others think works. As a team leader, he has proven abilities allowing him to build teams from scratch and streamline the QA process to perfection.

Karlo is available for hire
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Portfolio

Lawfirmmatrix
Ruby Page Object, RSpec, Ruby, Selenium WebDriver, Watir WebDriver, Cucumber
Betterdoc
Watir WebDriver, Ruby, Ruby on Rails (RoR)
Ericsson Nikola Tesla
Cucumber, Appium, Android

Location

Zagreb, Croatia

Availability

Part-time

Preferred Environment

Subversion (SVN), GitHub, Ubuntu, Linux, MacOS

The most amazing...

...thing I've built is an enhanced existing virtual agent with a natural head movement algorithm. I won a GALA 2006 award for it.

Work Experience

2013 - PRESENT

QA Lead Engineer

Lawfirmmatrix
  • Created a modular and reusable test suite for a REST API endpoint in Ruby's httpclient and rspec libraries.
  • Created a modular and reusable MS SQL database ETL test suite in Ruby's rspec library.
  • Created a reusable and modular browser automation test suite in Cucumber, PageObject, Watir WebDriver, Selenium WebDriver, and Ruby.
  • Configured a headless browser test suite run on Jenkins in a Linux environment.
  • Created a load testing test suite in Grinder with a Jython load testing framework.
  • Handled security testing of all web application layers.
  • Built a Docker environment for running Ruby regression API tests on an OS that supports Docker.
Technologies: Ruby Page Object, RSpec, Ruby, Selenium WebDriver, Watir WebDriver, Cucumber
2012 - PRESENT

Security and Software Tester

Betterdoc
  • Handled security penetration testing using OWASP ZAP.
  • Conducted security audits of web application infrastructure.
  • Analyzed security advisories regarding a web application platform.
  • Created an automated web testing framework in Ruby, Watir WebDriver, Sauce Labs, modern.IE, and CloudBees CI.
  • Provided security audits for source code written in Ruby on Rails, Ember, and React.
Technologies: Watir WebDriver, Ruby, Ruby on Rails (RoR)
2015 - 2019

Mobile QA Engineer

Ericsson Nikola Tesla
  • Handled exploratory testing of an Android application.
  • Created test cases in Cucumber.
  • Created a test framework in the Appium Ruby library.
  • Ran regression tests.
  • Gave effective and clear reporting of issues found in SourceForge.
  • Wrote a tool in elixir that diffs a large number of files.
Technologies: Cucumber, Appium, Android
2013 - 2013

QA Lead

Fanattac
  • Created browser automation scripts.
  • Created a test and development virtual machine based on CentOS using Vagrant and VirtualBox.
  • Handled PHP code analysis, looking for performance bottleneck and security issues.
  • Handled Web Service API testing using RSpec and Ruby.
Technologies: Watir WebDriver, Page Object Model (POM), Cucumber, PHP, Ruby
2001 - 2013

Test Lead

Ericsson Nikola Tesla
  • Created a regression testing framework in Jython for testing web services.
  • Created a load testing framework based on the Grinder Java framework.
  • Integrated it in a CI environment based on Jenkins and Maven.
  • Prepared a test plan.
  • Created test case designs based on requirements and system exploration.
Technologies: Java, Jython, Python

Experience

Virtual Agent | Simulation of a Television Speaker with Natural Face Gestures

My master's thesis, submitted in November of 2004.

Coherence Contributor

https://github.com/karlosmid/coherence
A full-featured, configurable authentication system for Phoenix.

Blitzy | Distributed Load Test Tool Written in Elixir

https://github.com/karlosmid/blitzy
A not so simple HTTP load tester in Elixir.

Skills

Languages

Java, Python, Ruby, Jython, PHP, JavaScript, Elixir

Frameworks

Grinder, Zope, Appium, Factory Girl, Capybara, Ruby on Rails (RoR), Bootstrap, Phoenix

Libraries/APIs

Requests, Watir WebDriver, Selenium WebDriver, Sikuli, Ruby Page Object

Tools

Jenkins, Cucumber, RSpec, Bitbucket, Trello, GitHub, Git, Jira, Subversion (SVN)

Paradigms

Test-driven Development (TDD), Unit Testing, ETL, REST, Load Testing, Object-oriented Programming (OOP), Page Object Model (POM), Agile Software Development

Industry Expertise

Cybersecurity, Security

Other

Selenium PageFactory, Selenium Page Object, UI Testing, Strategy, System Security Developer, Agile Software Testing

Platforms

MacOS, Docker, Linux RHEL/CentOS, Windows, Debian Linux, Linux, Ubuntu, iOS, Android

Storage

PostgreSQL, MySQL, Microsoft SQL Server, IBM Informix Dynamic Server

Education

2000 - 2004

Master's of Science Degree in Computer Engineering

Faculty of Electrical Engineering and Computing - Zagreb, Croatia

1992 - 1997

Master's Degree in Computer Engineering

Faculty of Electrical Engineering and Computing - Zagreb, Croatia

Certifications

JANUARY 2014 - PRESENT

Black Box Software Testing Test Design

Association for software testing AST

JANUARY 2014 - PRESENT

Black Box Software Testing Bug Advocacy

Association for software testing AST

JANUARY 2014 - PRESENT

Black Box Software Testing Foundations

Association for software testing AST