Adrian Lachowski, Performance Testing Developer in Kraków, Poland
Adrian Lachowski

Performance Testing Developer in Kraków, Poland

Member since April 11, 2019
Since 2014, Adrian’s been developing with Java along with a variety of testing frameworks (JUnit/TestNG, Selenium, Cucumber, REST Assured) and tools (JMeter, SoapUI, IntelliJ IDEA). He’s also worked with a number of teams and projects so he can communicate easily and can adapt to new work environments quickly. Work wise, Adrian is passionate about test automation and he joined Toptal to share his expertise on freelance projects around the world.
Adrian is now available for hire

Portfolio

  • Hilti North America
    Stress Testing, Performance Testing, Load Testing, Gatling Load Testing...
  • HSBC
    Cucumber, Selenium, REST Assured, Amazon Web Services (AWS), Java...
  • Grand Parade
    Cucumber, REST Assured, Selenium, Java

Experience

Location

Kraków, Poland

Availability

Full-time

Preferred Environment

TypeScript, JavaScript, Java, IntelliJ, MacOS

The most amazing...

...project that I’ve been involved in was developing an algorithm which was used to determine the win/lose ratio within a gaming/betting situation.

Employment

  • Performance Test Engineer

    2019 - PRESENT
    Hilti North America
    • Defined the strategy of the Performance Testing procedure.
    • Created Performance Test Automation framework from the scratch.
    • Participated in the process of putting the WEB app to the next level regarding performance.
    Technologies: Stress Testing, Performance Testing, Load Testing, Gatling Load Testing, Gatling, Apache JMeter, REST APIs
  • Senior Test Automation Engineer

    2018 - PRESENT
    HSBC
    • Created a Java-based test automation framework for banking API purposes.
    • Mentored less experienced QA team members.
    • Performed UAT with businesses.
    • Wrote test documentation.
    • Fulfilled some duties of a scrum master.
    • Developed automated tests for a REST API, the banking area.
    Technologies: Cucumber, Selenium, REST Assured, Amazon Web Services (AWS), Java, Quality Assurance (QA), QA Automation
  • Senior Quality Assurance Engineer

    2017 - 2018
    Grand Parade
    • Developed a test automation framework (back-end and front-end) for a betting/gaming web app.
    • Built Jenkins pipelines for CI purposes.
    • Composed test documentation.
    • Performed code reviews for other QA team members.
    • Wrote automated tests for the back-end and front-end layer in the area of modern web apps for the betting and gaming industry.
    Technologies: Cucumber, REST Assured, Selenium, Java
  • Software Engineer in Test

    2016 - 2017
    Ocado Technology
    • Constructed a test automation framework for a grocery web app (front-end and back-end).
    • Implemented TeamCity as a CI tool.
    • Prepared test documentation.
    • Successfully worked within a cross-functional team.
    • Composed test documentation.
    Technologies: TeamCity, Amazon Web Services (AWS), Selenium, REST Assured, Java
  • Quality Control Automation Specialist

    2016 - 2016
    Lumesse Poland
    • Maintained a test automation framework (front-end and back-end).
    • Worked with a MySQL database.
    • Performed manual API tests.
    • Implemented UAT sessions with businesses.
    • Composed test documentation.
    • Mainly tested an automated REST API dedicated to a web app (a learning platform).
    • Wrote automated tests for the learning platform's front-end.
    Technologies: REST Assured, Selenium, Java
  • Quality Assurance Engineer

    2015 - 2015
    Luxoft Poland
    • Worked with a Oracle database.
    • Maintained test automation framework written in Java.
    • Performed manual tests.
    • Prepared test documentation.
    • Performed UAT session with businesses.
    • Tested in various ways (manual and automated) of a web app dedicated for sales and traders.
    Technologies: Selenium, Oracle Database, Java
  • Software Tester

    2014 - 2015
    Media-Press TV
    • Created a testing framework (the front-end).
    • Manually tested the web application.
    • Perform UAT sessions with clients.
    • Worked with SQL.
    • Composed test documentation.
    • Tested a web app (manual and automated) which was in a module within off-the-shelf software.
    Technologies: Selenium, Java

Experience

  • Online Grocery Store

    This project centered around a web application for an online grocery store. As a software engineer in testing, I worked on the test automation around the API and front-end part and implemented CI/CD.

    Technologies: Java 8, REST Assured, Selenium, TeamCity, AWS

  • Banking Project

    This project involved the development of a REST API for banking purposes. As a senior test automation engineer, I implemented the REST API test automation and CI and developed a small layer of the front-end test automation.

    Technologies: Java 8, REST Assured, Selenium, Jenkins, Amazon Web Services (AWS)

  • Betting and Gaming Platform

    The project centered around the development of a web application for betting/gaming purposes. As a senior QA engineer, I worked on the test automation of the API and front-end part and implemented the CI/CD.

    Technologies: Java 8, REST Assured, Selenium, Jenkins

Skills

  • Languages

    Java, Java 8, SQL, JavaScript, TypeScript
  • Frameworks

    Selenium, JUnit, TestNG, Cypress, Spring Boot
  • Libraries/APIs

    Lombok, REST APIs
  • Tools

    IntelliJ, REST Assured, Apache JMeter, Cucumber, WebdriverIO, SoapUI, Gatling, Gatling Load Testing, JavaScript Testing, TeamCity
  • Paradigms

    REST, Testing, Manual Testing, Object-oriented Programming (OOP), Load Testing, Stress Testing
  • Other

    Quality Assurance (QA), Manual QA, QA Automation, SOLID Principles, Apache Cassandra, Performance Testing, SOAP
  • Platforms

    MacOS, Amazon Web Services (AWS), Windows, AWS Lambda, Oracle Database
  • Storage

    MySQL, MongoDB, Amazon DynamoDB

Education

  • Postgraduate Degree in Software Engineering
    2013 - 2014
    AGH University of Science and Technology - Kraków, Poland
  • Master's Degree in Geodesy and Cartography
    2011 - 2013
    AGH University of Science and Technology - Kraków, Poland
  • Bachelor's Degree in Geodesy and Cartography
    2007 - 2011
    Agricultural University - Kraków, Poland

Certifications

  • ISTQB Foundation Level
    APRIL 2014 - PRESENT
    ISTQB Software Qualifications Board

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