Wojciech Zięba, Developer in Kraków, Poland
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Wojciech Zięba

Verified Expert  in Engineering

Quality Assurance Specialist and Developer

Location
Kraków, Poland
Toptal Member Since
August 23, 2022

Wojciech is a QA engineer with 8+ years of experience overseeing the entire QA process, including automation, API, and performance testing. He is skilled in CI/CD pipeline development and monitoring with Grafana. Wojciech has a proven ability to seamlessly blend QA and DevOps responsibilities, ensuring software quality from development to deployment.

Portfolio

Nethermind
K6, JavaScript, Go, Grafana, Docker, GitHub, Blockchain
DNV GL
Azure DevOps, CI/CD Pipelines, REST API Automation, Regression Testing...
Sinch
C#, SpecFlow, Docker, API Testing, Postman, TeamCity, Jenkins...

Experience

Availability

Part-time

Preferred Environment

Windows

The most amazing...

...solution I've developed is a market maker bot that supplies liquidity on a decentralized exchange, earning about $200 per day in its best time.

Work Experience

QA/DevOps Engineer

2023 - PRESENT
Nethermind
  • Led quality assurance for Starknet node implementation.
  • Established automated testing processes and developed tests.
  • Implemented performance tests using the K6 tool and set up and managed Grafana cloud monitoring.
  • Developed and maintained pipelines for Docker image/binaries building and deployment with post-deployment E2E tests.
  • Managed, set up testing environments, and oversaw software release processes.
Technologies: K6, JavaScript, Go, Grafana, Docker, GitHub, Blockchain

QA Engineer

2022 - PRESENT
DNV GL
  • Defined and set CI/CD pipelines using the Azure DevOps tool.
  • Created automation regression tests for the UI and API.
  • Tested new features in cooperation with the business and developers.
Technologies: Azure DevOps, CI/CD Pipelines, REST API Automation, Regression Testing, Automated UI Testing, C#

Senior QA Engineer

2018 - 2022
Sinch
  • Developed distributed load tests using the Gatling tool.
  • Monitored system components over load tests to find out the bottlenecks.
  • Created system tests for phone number verification system using C#, SpecFlow, and Docker.
  • Prepared collections for API tests using the Postman tool.
  • Included system and performance tests into CI/CD pipelines.
Technologies: C#, SpecFlow, Docker, API Testing, Postman, TeamCity, Jenkins, Distributed Load Testing, CI/CD Pipelines, Amazon Web Services (AWS), Gatling Load Testing, Testing, Test Automation

Test Automation Developer

2016 - 2018
Grupa Pracuj
  • Designed test scenarios for a salary calculator system.
  • Developed UI automation tests for the salary calculator system using C# and the Selenium framework.
  • Performed load tests in the salary calculator system using the JMeter tool.
  • Developed mobile automation tests for a job offers application using C# and the Appium framework.
Technologies: C#, Selenium, Appium, Apache JMeter, CI/CD Pipelines, Manual Software Testing, API Testing, Testing, Test Automation

Software Tester Intern

2014 - 2016
ABB
  • Created test scenarios for the customer complaint system.
  • Developed UI automation tests using C# and the Selenium framework.
  • Tested new features for the customer complaint system.
Technologies: Test Scenarios, Selenium, FitNesse, Unit Testing, CI/CD Pipelines, Manual Software Testing, Testing, Test Automation

Platform for Phone Number Verification

A .NET-based platform for phone number verification used by huge customers like Uber or Tinder, which required it to be scalable and reliable.

I was the quality assurance engineer overseeing the quality process, automation system, and performance tests. To ensure its scalability and reliability, I performed distributed load tests from many regions with about 5,000 requests per second.
2012 - 2016

Bachelor's Degree in Computer Science

AGH University of Science and Technology - Cracow, Poland

MAY 2017 - PRESENT

Certified Tester Foundation Level

ISTQB

Paradigms

Testing, Test Automation, Unit Testing, Azure DevOps

Other

QA Automation, Manual Software Testing, Test Scenarios, API Testing, CI/CD Pipelines, Distributed Load Testing, Automated UI Testing, REST API Automation, Performance Testing, Regression Testing, K6

Languages

C#, JavaScript, Go

Frameworks

Selenium, SpecFlow, Appium, .NET

Tools

Gatling Load Testing, FitNesse, Apache JMeter, Postman, TeamCity, Jenkins, Grafana, GitHub

Platforms

Amazon Web Services (AWS), Docker, Windows, Blockchain

Collaboration That Works

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