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Serdar Fener
Verified Expert in Engineering
Software Developer
İzmir, Turkey
Toptal member since May 4, 2020
Bio
Serdar is an ISTQB-certified software engineer with over a decade of SDLC experience. He specializes in software quality assurance methodologies and test automation with a variety of commercial and open-source tools. He is a bright, talented, ambitious, and self-motivated engineer with a strong technical background. Serdar has worked with notable companies such as IBM, Ericsson, and Danske Bank, with millions benefiting from his expertise.
Portfolio
FKA Distributing Co., LLC
Quality Assurance (QA), Manual Testing, Quality Management...
Azrieli Ecommerce Ltd.
Test Management, CI/CD Pipelines, TestRail, TestCafe, New Relic, GitHub...
VISMA
JavaScript, TypeScript, Playwright, GitHub Actions, Grafana k6, CI/CD Pipelines...
Experience
- CI/CD Pipelines - 8 years
- Test Automation - 8 years
- JavaScript - 8 years
- Performance Testing - 8 years
- TypeScript - 6 years
- GitHub Actions - 5 years
- Amazon Web Services (AWS) - 3 years
- Playwright - 2 years
Preferred Environment
Testing, Mocha, Jest, Apache JMeter, Selenium, C#, JavaScript, Node.js, Performance Testing, TypeScript
The most amazing...
...product I've delivered was for DAZN, a multiregional software app in AWS that serves millions of customers globally.
Work Experience
QA Expert
2023 - 2024
FKA Distributing Co., LLC
- Helped the team develop a test framework with test cases and processes.
- Developed test automation scenarios, decreasing manual testing effort with Playwright and TypeScript.
- Helped develop CI/CD pipelines, decreasing deployment times.
- Enabled BrowserStack for cross-browser testing with increasing coverage on different devices and browser sets.
Technologies: Quality Assurance (QA), Manual Testing, Quality Management, Leading Quality Assurance (LQA), Automated Testing, eCommerce, BigCommerce, Test Planning, Jira, Playwright, Test Management, BrowserStack, GitHub Actions, TypeScript, Cross-browser Testing, Automated UI Testing, QA Automation, E2E Testing, Regression Testing, Scrum, Continuous Delivery (CD), CI/CD Pipelines, Grafana k6, Performance Testing, Test Automation, Artillery, Node.js, JavaScript
Senior Software Engineer (Testing)
2022 - 2023
Azrieli Ecommerce Ltd.
- Developed the test automation framework and scenarios with TestCafe covering the most critical scenarios, which reduced time spent on regression testing. Also, integrated tests with GitHub Actions to trigger tests automatically.
- Managed New Relic synthetic checks, monitoring, and alerts to capture production issues on the front-end application.
- Built test performance scripts and monitored them with LoadNinja.
Technologies: Test Management, CI/CD Pipelines, TestRail, TestCafe, New Relic, GitHub, Automated Testing, Automated UI Testing, QA Automation, Testing, GitHub Actions, Cross-browser Testing, E2E Testing, Postman, Continuous Delivery (CD), LoadNinja, Jira, Amazon S3 (AWS S3), Regression Testing, Load Testing, Scrum, eCommerce, BrowserStack, TypeScript, Performance Testing, Test Automation, Node.js, JavaScript
Senior Software Engineer (Testing)
2021 - 2022
VISMA
- Developed a UI automation framework with a test data creation layer with API calls using TypeScript and Playwright.
- Created a performance testing framework with K6 and GitHub Actions.
- Helped the team develop CI pipelines with GitHub Actions.
Technologies: JavaScript, TypeScript, Playwright, GitHub Actions, Grafana k6, CI/CD Pipelines, Automated Testing, Automated UI Testing, QA Automation, Terraform, Docker, Jest, New Relic, Testing, GitHub API, GitHub, Cross-browser Testing, E2E Testing, Postman, Continuous Delivery (CD), Jira, Load Testing, Performance Testing, Amazon Web Services (AWS), Scrum, Regression Testing, Cypress, Test Automation, Node.js, API Testing
Senior Software Engineer (Testing)
2019 - 2021
DAZN
- Developed a test automation framework for back-end services, which makes it easier for the development team to achieve E2E, integration testing.
- Initiated a service virtualization POC for front-end testing with MockServer and WebdriverIO, which enables front-end teams to test negative scenarios on the front-end level.
- Delivered distributed performance testing with Autocannon and AWS, which mimics multi-regional traffic to ensure the reliability of back-end services.
- Created a back-end test data library with Node.js. It helped other teams in the company easily create test data within their test framework.
- Built CI pipelines with Drone.io and Github Actions to ensure the system quality by making it faster to deploy, test, and go to production.
Technologies: AutoCannon, JavaScript, Selenium, Amazon Elastic Container Service (ECS), Amazon S3 (AWS S3), Selenium WebDriver, Test Automation, Express.io, Load Testing, Amazon Web Services (AWS), WebdriverIO, Jest, Drone CI, New Relic, Terraform, AWS Lambda, Node.js, CI/CD Pipelines, Automated Testing, Automated UI Testing, QA Automation, Docker, MongoDB, Amazon DynamoDB, Artillery, Testing, GitHub, GitHub Actions, Cross-browser Testing, E2E Testing, Postman, Continuous Delivery (CD), BrowserStack, Testing Strategy, QA Testing, React, Scrum, Regression Testing, Jira, Test Planning, Test Management, Grafana k6, TypeScript, Performance Testing, Mocha, API Testing
Senior Load Test Engineer
2020 - 2020
Lob
- Developed a load testing framework where the load target can go up to 50,000 rounds per second.
- Handled the New Relic integration and dashboards to monitor load test progress.
- Worked on a back-end application that orchestrates autocannon instances on Heroku, the back-end application gets the load test results and an HTML report to show the load test results.
Technologies: JavaScript, Load Testing, Express.io, Amazon S3 (AWS S3), Node.js, CircleCI, Heroku, AutoCannon, Automated UI Testing, QA Automation, Terraform, Docker, Testing, GitHub, Scrum, Regression Testing, Jira, CI/CD Pipelines, Performance Testing, Artillery
Senior Software Quality Assurance Engineer
2017 - 2019
Mobilelife by Danske Bank
- Developed a test automation framework/scripts for a front-end React application and back-end microservices, which reduces the manual effort of testing.
- Assisted the team in the development of a CI pipeline with Jenkins to ensure overall quality. This made it easier to release the application to production.
- Designed performance test scripts with JMeter to ensure system performance met the expected criteria.
Technologies: Amazon Web Services (AWS), JavaScript, Selenium, Amazon S3 (AWS S3), Selenium WebDriver, Test Automation, Load Testing, Jenkins, Apache JMeter, Mocha, Amazon Elastic Container Service (ECS), WebdriverIO, Node.js, CI/CD Pipelines, Automated Testing, Automated UI Testing, QA Automation, Docker, Amazon DynamoDB, Testing, GitHub, Manual Testing, Leading Quality Assurance (LQA), Cross-browser Testing, E2E Testing, Postman, Continuous Delivery (CD), Testing Strategy, QA Testing, React, Scrum, Regression Testing, Jira, Test Planning, Test Management, Performance Testing, API Testing
Senior Software Quality Assurance Engineer
2015 - 2017
Ericsson
- Created test automation scripts with C# and Selenium WebDriver for the front-end developed with Microsoft Dynamics CRM. This enabled testing E2E flows, which cover over 2,000 test cases.
- Developed a test execution and reporting framework within CI, enabling easy identification of problems and making the testing progress visible to project management and business professionals.
- Advised and led a test automation team that consisted of four test automation developers. Improved overall testing knowledge within the team by implementing and teaching best practices.
- Built performance test scripts with JMeter for back-end services, enabling the team to quickly identify performance issues.
Technologies: Microsoft SQL Server, Node.js, Selenium, Test Automation, Load Testing, Jenkins, Selenium WebDriver, C#, CI/CD Pipelines, Automated Testing, Automated UI Testing, QA Automation, Docker, Mocha, Testing, GitHub, Manual Testing, Quality Management, Leading Quality Assurance (LQA), E2E Testing, Postman, Testing Strategy, QA Testing, Scrum, Regression Testing, Jira, Test Planning, Continuous Delivery (CD), Test Management, Performance Testing, JavaScript, API Testing
Senior Software Quality Assurance Engineer
2014 - 2015
IBM
- Ran a POC for mobile test automation with Rational Test Workbench for Garanti Bank.
- Managed a POC for service virtualization with IBM Service Virtualization Server and RIT for Garanti Bank.
- Assisted Garanti Bank in the setup of a testing team and test processes for their internal projects. Increased testing awareness and best practices by leading, advising, and conducting knowledge sharing sessions.
Technologies: Selenium, Selenium WebDriver, Test Automation, Load Testing, Automated Testing, Automated UI Testing, QA Automation, Testing, GitHub, Manual Testing, Quality Management, Leading Quality Assurance (LQA), E2E Testing, Postman, Testing Strategy, QA Testing, Scrum, Regression Testing, Jira, Test Planning, Test Management, CI/CD Pipelines, Performance Testing, Jenkins, JavaScript
Software Quality Assurance Engineer
2012 - 2014
Ericsson
- Developed test automation scripts with HP UFT for the Vodafone Turkey CRM (Siebel) project. Conducted knowledge sharing sessions for the internal teams to write and maintain great test automation scripts with HP UFT.
- Created test automation scripts/framework with HP UFT for the Zain Jordan CRM (Siebel) project.
- Developed back-end service test automation with JMeter for Zain Jordan, enabling them to test back-end services within Jenkins CI.
- Deployed performance test scripts for Zain Jordan with JMeter.
Technologies: Microsoft SQL Server, Selenium, Selenium WebDriver, Test Automation, Load Testing, C#, Automated Testing, Automated UI Testing, QA Automation, Testing, GitHub, Manual Testing, Quality Management, Leading Quality Assurance (LQA), E2E Testing, Postman, Testing Strategy, QA Testing, Scrum, Regression Testing, Jira, Test Planning, Test Management, CI/CD Pipelines, Performance Testing, Jenkins, JavaScript, Microsoft Dynamics 365
Experience
DAZN Web App
DAZN is a web application developed with React enabling millions of customers to watch sports content live across the world. I was the senior software engineer focused who oversaw the testing. I assisted the back end and web development teams greatly improve the quality of the application.
June.dk by Danske Bank
This is an investment application that makes it easier to invest money into stocks and bonds. I was the senior QA engineer helping the development team to build up continuous integration pipelines, UI test automation scripts/framework, and back-end microservice test scripts/framework.
Azrieli.com
https://azrieli.com/In this project, I was involved in the comprehensive replatforming and reworking of the entire eCommerce stack, from the user experience to the back office. I played a key role as the senior software engineer in testing, responsible for helping the company build test automation with TestCafe integrated with BrowserStack and performance testing with LoadNinja.
Garanti Bank Test Transformation Project
The aim of the test transformation project for Garanti Bank was to build a testing team, set up testing processes, and help identify test automation tools. I was the senior QA engineer assisting with the hiring process, running POCs for mobile test automation, service virtualization, and conducting knowledge sharing sessions about test processes for team members.
Ericsson Telco CRM
The Ericsson Telco CRM project aimed to deliver a CRM application integrated with other Ericsson products like CBIO, which covers E2E CRM flows for telecommunications operators. I was the lead test automation engineer helping the team develop continuous integration with Jenkins, UI test automation with Selenium, and back-end test automation with C#.
Vodafone Turkey Siebel Test Automation Project
The aim of the project was to deliver test automation scripts with HP UFT to Vodafone Turkey for the Siebel CRM project. I was the QA engineer helping the team write scripts with HP UFT and setting up the test automation framework.
Zain Jordan Siebel CRM Project
This is a Siebel-based CRM application to cover CRM flows for Zain Jordan telecom. I was the QA engineer assisting the team in the development of HP UFT UI test automation scripts and test automation frameworks. I also wrote performance test scripts and back-end test automation with JMeter.
Education
2006 - 2010
Bachelor of Science Degree in Software Engineering
Pamukkale University - Turkey
Certifications
JULY 2015 - PRESENT
ISTQB Certified Tester Foundation Level
ISTQB
Skills
Libraries/APIs
Node.js, Playwright, GitHub API, React, Selenium WebDriver
Tools
Mocha, CircleCI, Apache JMeter, WebdriverIO, Jenkins, Artillery, Grafana k6, GitHub, TestRail, Postman, BrowserStack, Jira, Terraform, Amazon Elastic Container Service (ECS), HP Quality Center (QC), LoadNinja
Languages
JavaScript, TypeScript, C#
Frameworks
Jest, Selenium, TestCafe, Express.io, Cypress
Paradigms
Testing, Load Testing, Test Automation, Automated Testing, Manual Testing, E2E Testing, Continuous Delivery (CD), Scrum
Platforms
Amazon Web Services (AWS), Heroku, New Relic, Drone CI, Docker, AWS Lambda, BigCommerce, Microsoft Dynamics 365
Storage
Amazon S3 (AWS S3), Microsoft SQL Server, Amazon DynamoDB, MongoDB
Other
AutoCannon, Performance Testing, GitHub Actions, Quality Assurance (QA), CI/CD Pipelines, Test Management, QA Automation, Automated UI Testing, Quality Management, Cross-browser Testing, Test Planning, Regression Testing, QA Testing, Testing Strategy, QA Leadership, API Testing, Leading Quality Assurance (LQA), eCommerce
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