Andrej is available for hire

Andrej Skeledzija

Verified Expert in Engineering

Quality Assurance Engineer and Developer

Osijek, Croatia

Toptal member since April 24, 2019

Expertise

Quality Assurance Engineering API Test Engineering Automation GitHub Test Automation Selenium Java Postman REST API JavaScript React.js

Bio

Andrej is a certified software engineer in test (QA) with more than 15 years of progressive experience in software testing methodologies, best practices in test automation, and a variety of test tools. He achieves project objectives through passion, commitment, and expertise. Andrej has hands-on experience in complex testing efforts on projects with multiple integration points and aggressive deadlines.

Portfolio

Alan Bernau Jr

WordPress, Manual QA, Test Automation, WooCommerce, E2E Testing, PHP...

The Weather Group (AMG)

Quality Assurance (QA), QA Automation, Over-the-top Content (OTT)...

Rady Children's Hospital - San Diego

Agile, Git, Jenkins, Node.js, Test Automation, Manual Testing, JavaScript...

Experience

Manual Testing - 17 years
Test Management - 14 years
Test Automation - 14 years
Cypress - 9 years
JavaScript - 7 years
Appium - 6 years
Playwright - 5 years
TypeScript - 2 years

Availability

Part-time

Preferred Environment

Visual Studio Code (VS Code), MacOS, Sublime Text 3, iTerm2, MySQL Workbench, Postman, GitHub, Zoom, Slack, Skype

The most amazing...

...thing I've coded is an algorithm that uses REST API to import a huge amount of test data in a short time that simulates real use cases in large-scale projects.

Work Experience

QA Engineer | Test Automation Developer

2024 - PRESENT

Alan Bernau Jr

Implemented test automation using the Cypress end-to-end (E2E) testing framework.
Conducted both automated and manual functional and performance testing for the website.
Ensured thorough testing of updates before and after deployment.
Reviewed and verified A/B tests for accuracy and smooth, bug-free execution.
Maintained high-quality standards for the website across various devices.

Technologies: WordPress, Manual QA, Test Automation, WooCommerce, E2E Testing, PHP, JavaScript, Cypress, DevOps, CI/CD Pipelines, React, Bugsnag, Jenkins, Postman, User Acceptance Testing (UAT), User Interface (UI), User Experience (UX), Detail-oriented, Content Management Systems (CMS), GitHub, Requirement Traceability Matrices, Mobile Applications, BrowserStack, SDET, Test Automation Frameworks, Automated UI Testing, Containerization, Test Cases, Manual Testing

QA Engineer | Software Development Engineer in Test

2023 - 2024

The Weather Group (AMG)

Implemented test automation using the Cypress, Appium, and Detox E2E testing frameworks.
Implemented a comprehensive testing strategy to ensure the quality and functionality of applications, websites, and data services.
Performed manual testing of web and mobile applications, API integration, data accuracy, and other system components.
Identified, documented, and tracked defects using Jira and worked closely with development teams to ensure timely resolution.

Technologies: Quality Assurance (QA), QA Automation, Over-the-top Content (OTT), CI/CD Pipelines, Test Management, Manual Software Testing, UX Testing, TypeScript, React, Playwright, DevOps, Web App Testing, User Acceptance Testing (UAT), User Interface (UI), User Experience (UX), Detail-oriented, Content Management Systems (CMS), GitHub, Requirement Traceability Matrices, Mobile Applications, BrowserStack, SDET, Test Automation Frameworks, Automated UI Testing, Containerization, Test Cases, Manual Testing, Test Automation

Test Engineer | Automation Specialist

2019 - 2023

Rady Children's Hospital - San Diego

Prepared and implemented test automation using the Cypress E2E testing framework.
Created detailed and comprehensive test plans and test cases according to requirements specifications.
Helped build the QA process under Agile software development.
Reviewed existing test cases and requirements for gaps.
Conducted manual testing and validated and reported on the results.
Contributed actively to maintaining the stability of the released production version.

Technologies: Agile, Git, Jenkins, Node.js, Test Automation, Manual Testing, JavaScript, REST APIs, Selenium, Java, Jira, Python, Confluence, Web-based Testing, Pytest, Cypress, E2E Testing, Automated Testing, Object-oriented Programming (OOP), CI/CD Pipelines, QA Automation, Quality Assurance (QA), QA Testing, Manual QA, Automation, Cucumber, Mobile App Testing, Testing, Integration Testing, Postman, API Testing, Strategy, eCommerce, UI Testing, QA Leadership, Smoke Testing, Mocha, Mobile Device QA Automation, Regression Testing, Quality Management, Zephyr, Functional Testing, CircleCI, Performance Testing, Load Testing, Security Testing, Cross-browser Testing, Test Management, Manual Software Testing, UX Testing, TypeScript, React, Playwright, DevOps, Web App Testing, User Acceptance Testing (UAT), User Interface (UI), User Experience (UX), Detail-oriented, Content Management Systems (CMS), GitHub, Requirement Traceability Matrices, Mobile Applications, BrowserStack, SDET, Test Automation Frameworks, Automated UI Testing, Containerization, Test Cases

External Assistant | Associate

2018 - 2022

Faculty of Electrical Engineering, Computer Science, and Information Technology Osijek

Participated actively in curriculum development that clearly outlined the course requirements, goals, and objectives.
Developed and conducted laboratory exercises related to software testing methods and techniques.
Guided and mentored students, evaluated, and monitored student progress.
Participated in departmental and college activities.

Technologies: Test Automation, Software Testing, Automated Testing, QA Automation, Quality Assurance (QA), QA Testing, Manual QA, Automation, Cucumber, Mobile App Testing, Testing, Integration Testing, Postman, API Testing, Strategy, eCommerce, UI Testing, QA Leadership, Smoke Testing, Mocha, Mobile Device QA Automation, Regression Testing, Quality Management, Functional Testing, CircleCI, Performance Testing, Load Testing, Cross-browser Testing, Test Management, Manual Software Testing, UX Testing, TypeScript, React, Playwright, DevOps, Web App Testing, User Acceptance Testing (UAT), User Interface (UI), User Experience (UX), Detail-oriented, Content Management Systems (CMS), GitHub, Requirement Traceability Matrices, Mobile Applications, BrowserStack, SDET, Test Automation Frameworks, Automated UI Testing, Test Cases, Manual Testing

QA Engineer | Test Automation Architect

2016 - 2020

Scopic

Created and maintained a test automation framework using Java, Selenium WebDriver, and REST Assured.
Automated a load and longevity (soak) test using Apache JMeter.
Developed a program for the automatic import of large-scale data using Node.js.
Performed exploratory test runs and used the gathered information to build and improve test cases.
Created and maintained continuous integration using Jenkins.

Technologies: Agile, Test Automation, Manual Testing, JavaScript, REST APIs, Selenium, Java, Jira, Appium, Selenium WebDriver, Jenkins, Git, Apache JMeter, TestNG, E2E Testing, Cypress, Automated Testing, Object-oriented Programming (OOP), CI/CD Pipelines, QA Automation, Quality Assurance (QA), QA Testing, Manual QA, Automation, Cucumber, Mobile App Testing, Testing, Integration Testing, Postman, API Testing, Strategy, eCommerce, UI Testing, QA Leadership, Smoke Testing, Mocha, Mobile Device QA Automation, Regression Testing, Quality Management, Functional Testing, CircleCI, Performance Testing, Load Testing, Security Testing, Cross-browser Testing, Test Management, Manual Software Testing, UX Testing, TypeScript, React, Playwright, DevOps, Web App Testing, User Acceptance Testing (UAT), User Interface (UI), User Experience (UX), Detail-oriented, Content Management Systems (CMS), GitHub, Requirement Traceability Matrices, Mobile Applications, BrowserStack, Test Automation Frameworks, Automated UI Testing, Test Cases

QA Engineer | Software Development Engineer in Test (SDET)

2015 - 2017

Napster (Rhapsody International)

Created detailed and comprehensive test plans and test cases.
Estimated, prioritized, planned, and coordinated quality testing activities.
Built and maintained continuous integration using TeamCity.
Developed and maintained automated test harness using Java, MySQL, and JUnit.
Performed security tests against production release using OWASP ZAP tool.
Participated in maintaining the stability of the released production version actively.

Technologies: Agile, Git, Jenkins, Node.js, JavaScript, Test Automation, Manual Testing, REST APIs, Selenium, Java, JUnit, MySQL, E2E Testing, Cypress, Automated Testing, Object-oriented Programming (OOP), CI/CD Pipelines, QA Automation, Quality Assurance (QA), QA Testing, Manual QA, Automation, Cucumber, Mobile App Testing, Testing, Integration Testing, Postman, API Testing, Strategy, eCommerce, UI Testing, QA Leadership, Smoke Testing, Mocha, Mobile Device QA Automation, Regression Testing, Quality Management, Functional Testing, CircleCI, Performance Testing, Load Testing, Security Testing, Cross-browser Testing, Test Management, Manual Software Testing, UX Testing, TypeScript, React, Playwright, DevOps, Web App Testing, User Acceptance Testing (UAT), User Interface (UI), User Experience (UX), Detail-oriented, Content Management Systems (CMS), GitHub, Requirement Traceability Matrices, Mobile Applications, Test Automation Frameworks, Automated UI Testing, Test Cases

QA Engineer | Team Lead (Mobile Testing)

2012 - 2016

RealNetworks

Managed, implemented, and maintained effective software test processes.
Defined the scope of testing within the context of each release and delivery.
Planned, deployed, and managed the testing effort for any given engagement and release.
Coordinated all testing activities during every stage of the test process.
Conducted meetings, gave reports, and actively participated in the QA hiring processes.
Led the QA team and was charged with the quality of the released product.

Technologies: Agile, Git, Jenkins, Node.js, JavaScript, Test Automation, Manual Testing, REST APIs, Selenium, Java, Android, E2E Testing, Cypress, Automated Testing, Object-oriented Programming (OOP), CI/CD Pipelines, QA Automation, Quality Assurance (QA), QA Leadership, QA Testing, Manual QA, Automation, Cucumber, Mobile App Testing, Testing, Integration Testing, Postman, API Testing, Strategy, eCommerce, UI Testing, Smoke Testing, Mocha, Mobile Device QA Automation, Regression Testing, Quality Management, Leading Quality Assurance (LQA), Functional Testing, CircleCI, Performance Testing, Load Testing, Security Testing, Cross-browser Testing, Test Management, Manual Software Testing, UX Testing, TypeScript, React, Playwright, WordPress, DevOps, Web App Testing, User Acceptance Testing (UAT), User Interface (UI), User Experience (UX), Detail-oriented, Content Management Systems (CMS), GitHub, Mobile Applications

System Integration and Test Engineer (STE)

2006 - 2012

SIEMENS

Analyzed the project documentation such as requirements specifications, user stories, and use cases.
Wrote test specification documents and designed test cases.
Executed manual and automated tests at all levels (system, integration, regression, and acceptance).
Performed acceptance testing on the customer’s site.
Developed automated tests using independent protocol simulator language IPSL (Siemens).
Investigated customer complaints and non-conformance issues.

Technologies: Agile, Git, Jenkins, Node.js, JavaScript, Test Automation, Manual Testing, REST APIs, Selenium, Java, Oracle, SQL, Linux, E2E Testing, Cypress, Automated Testing, Object-oriented Programming (OOP), CI/CD Pipelines, QA Automation, Quality Assurance (QA), QA Testing, Manual QA, Automation, Cucumber, Mobile App Testing, Testing, Integration Testing, Postman, API Testing, Strategy, eCommerce, UI Testing, QA Leadership, Smoke Testing, Mocha, Mobile Device QA Automation, Quality Management, Test Management, Manual Software Testing, UX Testing, TypeScript, React, Playwright, PHP, DevOps, User Acceptance Testing (UAT), User Interface (UI), User Experience (UX), Detail-oriented, Content Management Systems (CMS), GitHub, Mobile Applications

Experience

WordPress eCommerce Site with a 3D Widget

https://alansfactoryoutlet.com/

I executed comprehensive testing for a WordPress eCommerce site with a 3D widget, covering both automated and manual end-to-end (E2E) testing. This includes functionality, usability, performance, and security tests to ensure a seamless user experience, accurate 3D rendering, and secure transactions.

The Weather Channel – Cross-platform App

https://www.weathergroup.com/

The Weather Group is a vibrant media entertainment company based in the US. It manages a network of digital cable and satellite channels and broadcasts a diverse range of content, including original programs, syndicated shows, TV movies, weather information, and motion pictures. The company also offers streaming platforms.

I was responsible for developing and implementing comprehensive test strategies, plans, and test cases. My role involved ensuring the functionality, performance, and reliability of weather applications, websites, and data services.

Thermo-Fisher Package – Lab Information Management Systems (LIMS)

https://www.thermofisher.com/hr/en/home/life-science/lab-data-management-analysis-software/enterprise-level-lab-informatics/lab-information-management-systems-lims.html

I conducted thorough black box testing and validation of the deployed Thermo-Fisher package, explicitly focusing on lab information management systems (LIMS). This includes verifying system functionality, data accuracy, and user interface consistency, ensuring the software meets all specified requirements and operates reliably in a live environment.

IRMN Planet (Scopic) – Cross-platform Web App

https://planetirmtraining.com/

I developed automated UI and REST API tests for a fully cloud-based SaaS application used for designing and modeling network infrastructures. Planet IRMAI is Planet Associates' next-generation SaaS-based comprehensive AI-driven infrastructure relationship management and configuration management software that consolidates, aggregates, visualizes, maps, and manages an organization's facilities, IT/telecom, network assets, transport, cyber, and connectivity data in one data repository, all from a web browser.

RealTimes with RealPlayer (RealNetworks) – Mobile App

https://www.real.com

I led the software testing activities and processes for RealTimes with the RealPlayer application (iOS and Android), which automatically makes video stories from the best photos and videos on mobile or the cloud.

Napster Music (Rhapsody International) – Cross-platform App

https://us.napster.com/

I developed and maintained automated testing frameworks for Napster, an online music store and subscription service previously known as Rhapsody. This involved creating and optimizing test cases to ensure the quality and reliability of the platform’s features and user experience.

Telecom Services (Siemens)

Tested and integrated various telecom service components (e.g voucher management) for various telecom companies and performed the acceptance testing on the customer’s site.

Education

2009 - 2012

Master's Degree in Computer Science

University of Osijek, Faculty of Electrical Engineering in Osijek - Osijek, Croatia

2000 - 2004

Bachelor's Degree in Computer Science

University of Osijek, Faculty of Electrical Engineering in Osijek - Osijek, Croatia

Certifications

DECEMBER 2015 - PRESENT

ISTQB® Certified Tester - Foundation Level

iSQI

Skills

Libraries/APIs

Node.js, Selenium WebDriver, REST APIs, React, Playwright

Tools

Pytest, Postman, Apache JMeter, Cucumber, Mocha, Zephyr, CircleCI, GitHub, BrowserStack, Jenkins, Jira, Git, Confluence, Bugsnag

Languages

Python, JavaScript, Java, TypeScript, SQL, PHP

Frameworks

TestNG, Selenium, Cypress, Appium, JUnit

Paradigms

Test Automation, Software Testing, Manual Testing, Automated Testing, Testing, E2E Testing, Automation, Functional Testing, Load Testing, User Acceptance Testing (UAT), Object-oriented Programming (OOP), HIPAA Compliance, Agile, DevOps

Platforms

Android, Linux, Oracle, WordPress, WooCommerce

Storage

MySQL

Other

Web-based Testing, Web App Testing, QA Leadership, Regression Testing, QA Testing, QA Test Plan Management, Quality Assurance (QA), Manual QA, QA Automation, Test Automation Frameworks, CI/CD Pipelines, API Testing, Test Cases, Automated UI Testing, SDET, Documentation, Test Planning, Mobile App Testing, Integration Testing, eCommerce, Strategy, UI Testing, Smoke Testing, Mobile Device QA Automation, Quality Management, Performance Testing, Cross-browser Testing, Test Management, UX Testing, User Interface (UI), User Experience (UX), Detail-oriented, Content Management Systems (CMS), Requirement Traceability Matrices, Mobile Applications, Leading Quality Assurance (LQA), Manual Software Testing, Containerization, Security Testing, Over-the-top Content (OTT)

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