Herman Ching
Verified Expert in Engineering
Quality Assurance (QA) Developer
New York, NY, United States
Toptal member since January 13, 2021
Herman has a decade of experience under his belt, specializing in testing and writing intelligent frameworks by providing pertinent information that transforms decision-making. Herman discovered a backdoor to a custom application allowing fraudulent transactions to occur, saving the client millions of dollars in potential losses. He writes custom performance framework solutions from Java to Python behavior-driven development for financial services. His solutions are scalable and clean.
Portfolio
Experience
- QA Automation - 10 years
- Quality Assurance (QA) - 10 years
- Selenium - 7 years
- REST APIs - 7 years
- Jenkins - 7 years
- Java - 7 years
- Python - 4 years
- Node.js - 2 years
Availability
Preferred Environment
IntelliJ IDEA, Unix, Windows, PyCharm
The most amazing...
...error I discovered was a backdoor to a custom application allowing fraudulent transactions to occur. This saved millions of dollars in potential losses.
Work Experience
Senior Tech Lead
Tower Research
- Developed a test framework in Python from scratch to support testers, developers, and business users. This allowed us to increase testing; 489 test cases scaled across 200 plus markets.
- Built our first continuous integration pipeline that enabled an efficient development cycle, which shortened delivery time from two weeks to two hours.
- Scaled testing framework to other products and divisions to unify testing efforts. Supported 13 different products and four divisions under one framework.
- Led a local team of eight and a international team of seven with the initial objective to adopt and utilize a home-grown test framework.
DevOps - VP
Citi
- Improved performance of Cucumber tests by more than half running at 1.35 tests/second.
- Setup new testing environments to deploy for manual and automated assisted testing.
- Rebuilt an analytics testing framework to compare numbers against legacy and current build versions.
- Defined new pipelines that exposes code that gets delivered and deployed to production.
Deputy Practice Head
Lab49
- Built a Bootstrap framework in Java to accelerate the onboarding of test automation for new clients. Onboarding time was reduce from a month to a week. This was built for front-end testing such as Selenium and supported multiple browsers.
- Led and expanded testing frameworks to other interfaces using proven methodologies—this parallelized onboarding time and each new test framework that we supported. Additional interfaces supported were REST APIs and a custom Java interface.
- Ensured timely deliverables through executable contracts in which customers can run themselves, hardening confidence of lasting value that shortened the time needed to close out contracts.
- Managed a team of five to lead client engagements in testing requirements and efforts.
Officer of Middle Office
State Street
- Developed an integrated quality assurance dashboard which unified regression reports, provided event tracking, logging and notification system. Built an API and a web interface for increased accessibility.
- Implemented a custom-based concurrent performance test and framework for a new high-volume data project.
- Renovated legacy frameworks, improved test performance by over 325%, while keeping coverage and functionality.
Experience
BDD Python Testing Framework
Triple Interface Cross Validation
Sports Prediction Strategy
Skills
Libraries/APIs
Selenium WebDriver, REST APIs, Node.js
Tools
Jenkins, PyCharm, IntelliJ IDEA, Behave, Apache Tomcat, Bloomberg
Languages
Python, Python 3, Java
Frameworks
Selenium
Paradigms
Behavior-driven Development (BDD)
Platforms
Windows, Unix, Nexus
Other
Quality Assurance (QA), QA Automation, FPGA
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring