Hakan GÜL

Team Lead & SDET @Nesine. Mobile Developer focused on Flutter & SwiftUI. I leverage Java Spring to build robust backends that power high-quality mobile experiences. Quality-driven & Tech Writer.

Istanbul,Turkiye Joined on Aug 5, 2021 https://linkedin.com/in/hhakangul

Education

B.S. in Software Engineering, Firat University

Pronouns

He/Him

Work

SDET & Team Lead at Nesine.com

Hakan GÜL

Oct 18

TestFly Part 11: Network interception and API mocking in Selenium 4 with CDP

#testfly #selenium #mocking #java

2 min read

Hakan GÜL

Oct 18

TestFly Part 10: Email and 2FA testing with Mailhog, Mailtrap and IMAP

#testfly #emailtesting #2fa #java

2 min read

Hakan GÜL

Oct 18

TestFly Part 9: In-process load testing in Java with Gatling and K6

#testfly #loadtesting #gatling #java

3 min read

Hakan GÜL

Oct 12

TestFly Part 13: Actionability engine, auto-wait and verified click/fill/clear assertions

#java #selenium #testing #automation

5 min read

Hakan GÜL

Oct 12

TestFly Part 14: Step traces with per-step ARIA/DOM snapshots for visual debugging

#java #selenium #testing #debugging

4 min read

Hakan GÜL

Oct 12

TestFly Part 16: Smart triage and fuzzy self-healing, flaky-test diagnosis without tokens

#java #selenium #testing #ai

6 min read

Hakan GÜL

Oct 12

TestFly Part 15: Enterprise API auth with RFC 7616 Digest, HMAC signing and OAuth2 refresh tokens

#java #api #security #testing

6 min read

Hakan GÜL

Oct 12

TestFly Part 17: Cross-browser reliability with BiDi console capture, Edge/Safari on Grid and guaranteed driver cleanup

#java #selenium #testing #webdev

6 min read

Hakan GÜL

Oct 12

TestFly Part 12: Playwright-style assertions in Selenium with not(), ARIA snapshots and strict mode

#java #selenium #testing #a11y

4 min read

Hakan GÜL

Aug 30

Scaling to 100,000 RPS: Deploying Distributed Load Testing on Kubernetes with Helm and Docker

#kubernetes #helm #docker #devops

3 min read

Hakan GÜL

Aug 30

Enterprise Observability: Real-Time ReportPortal Integration with Gevent and Percentile Tracking

#observability #reportportal #python #testing

4 min read

Hakan GÜL

Aug 30

Under the Hood: Building a Dynamic AST Test Runner and Subprocess Engine in Python

#python #ast #locust #architecture

4 min read

Hakan GÜL

Aug 30

The Death of XML: Why We Built LocustPilot — A Modern Control Plane for Distributed Load Testing

#python #locust #performance #testing

4 min read

Hakan GÜL

Aug 30

TestFly Part 8: Flakiness quarantine engine and Java SPI extensibility

#testfly #observability #devops #java

2 min read

Hakan GÜL

Aug 30

TestFly Part 7: Bundled axe-core accessibility checks and VisualAssert pixel matching

#testfly #a11y #testing

1 min read

Hakan GÜL

Aug 30

TestFly Part 6: Built-in ApiClient, BaseApiTest and fast hybrid UI + API flows

#testfly #apitesting #restassured #java

1 min read

Hakan GÜL

Aug 30

TestFly Part 5: BDD testing with Cucumber 7, BaseCucumberSteps and @retryable tags

#testfly #cucumber #bdd #java

2 min read

Hakan GÜL

Aug 30

Shift-Left Performance: Automated Load Testing Quality Gates in GitHub Actions and Bitbucket CI

#cicd #githubactions #devops #performance

3 min read

Hakan GÜL

Aug 30

TestFly Part 4: AI-assisted test generation with testfly-mcp and self-healing locators

#testfly #ai #mcp #testing

1 min read

Hakan GÜL

Aug 30

TestFly Part 3: CI/CD quality gates, parallel execution and CI metadata

#testfly #cicd #githubactions #testing

1 min read

Hakan GÜL

Aug 30

TestFly Part 2: Accessibility-first locators, BasePage and WaitEngine

#testfly #selenium #java #testing

1 min read

Hakan GÜL

Aug 30

TestFly Part 1: The Spring Boot of Selenium for zero-boilerplate Java test automation

#testfly #selenium #java #ai

2 min read

DEV Community

Hakan GÜL

Badges

Five Year Club

Four Year Club

Three Year Club

Two Year Club

One Year Club

GitHub Repositories

Skills/Languages

Currently learning

Currently hacking on

Available for

TestFly Part 11: Network interception and API mocking in Selenium 4 with CDP

TestFly Part 10: Email and 2FA testing with Mailhog, Mailtrap and IMAP

TestFly Part 9: In-process load testing in Java with Gatling and K6

TestFly Part 13: Actionability engine, auto-wait and verified click/fill/clear assertions

TestFly Part 14: Step traces with per-step ARIA/DOM snapshots for visual debugging

TestFly Part 16: Smart triage and fuzzy self-healing, flaky-test diagnosis without tokens

TestFly Part 15: Enterprise API auth with RFC 7616 Digest, HMAC signing and OAuth2 refresh tokens

TestFly Part 17: Cross-browser reliability with BiDi console capture, Edge/Safari on Grid and guaranteed driver cleanup

TestFly Part 12: Playwright-style assertions in Selenium with not(), ARIA snapshots and strict mode

Scaling to 100,000 RPS: Deploying Distributed Load Testing on Kubernetes with Helm and Docker

Enterprise Observability: Real-Time ReportPortal Integration with Gevent and Percentile Tracking

Under the Hood: Building a Dynamic AST Test Runner and Subprocess Engine in Python

The Death of XML: Why We Built LocustPilot — A Modern Control Plane for Distributed Load Testing

TestFly Part 8: Flakiness quarantine engine and Java SPI extensibility

TestFly Part 7: Bundled axe-core accessibility checks and VisualAssert pixel matching

TestFly Part 6: Built-in ApiClient, BaseApiTest and fast hybrid UI + API flows

TestFly Part 5: BDD testing with Cucumber 7, BaseCucumberSteps and @retryable tags

Shift-Left Performance: Automated Load Testing Quality Gates in GitHub Actions and Bitbucket CI

TestFly Part 4: AI-assisted test generation with testfly-mcp and self-healing locators

TestFly Part 3: CI/CD quality gates, parallel execution and CI metadata

TestFly Part 2: Accessibility-first locators, BasePage and WaitEngine

TestFly Part 1: The Spring Boot of Selenium for zero-boilerplate Java test automation