Senior Software Quality Assurance Engineer; Web/API Testing
Irvine, Orange County, California, 92713, USA
Listed on 2025-12-22
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Software Development
Software Engineer, Senior Developer, Software Testing
- Senior Software Quality Assurance Engineer (Web/API Testing)
Job Description
OverviewCoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives.
We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. We’ve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors.
We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.
is the nation’s #1 rental marketplace for owners, property managers and is the network that millions of renters every year rely on to find their new place, is continuing to grow our industry-leading sales force. We provide apartment Property Managers and Owners with a platform to market their property listings and the industry’s most comprehensive virtual tools to attract the most and highest-quality renters.
The Network includes , , , , and eight other leading rental sites. Our suite of services includes digital advertising, social and reputation management, and market analytic solutions which delivers innovative tools for our customers.
Learn more about
Our team is seeking an accomplished Senior Software Quality Assurance Engineer to join our team in supporting multiple software products and brands across the organization. You will have a direct impact on highly visible web applications that touch millions of users. You continuously learn emerging technologies and architecture advancements and apply the learnings to improve Apartments’ software products
This position is located in Irvine, CA and offers 4 days a week onsite with 1 day work from home.
Responsibilities- Design, develop, execute, and maintain
Test Cases and Scripts based on product requirements and specifications. - Investigate, log, and escapebugsidentifiedduring testing.
- Work with the Product and Development teamsto analyze project requirements with the goal offinding gaps early and improving Acceptance Criteria.
- Validate product against Requirements, Design and Code.
- Collaborate with other Software Quality Assurance Engineer son the continual improvement of test methods,strategies and test coverage
- Act as an advocate for delivering quality products,train,supportandcoachother team members.
- Coordinateandparticipateinsprint work and regressiontestingeffortsbefore and during the releases.
- Gain a deep understanding of the CoStar business, including the Analytic product sand how they integrate with our specific product area.
- Assess,recommend and implement tools to enhance testing.
- Bachelor’s Degree required from an accredited, not-for-profit, in-person college/university
- A track record of commitment to prior employers
- 5+ years of industry experience as a Software Quality Assurance Engineer.
- 3+ years of experience in automation with the desire and ability to write and run automated tests in a continuous integration environment.
- Experience with API testing using Swaggeror Postman.
- Experience with Selenium.
- Experience with Functional, Automation, Regression, E2E, Smoke, Sanity, Integration, Browser, Exploratory and User Experience testing.
- Experience with Object-oriented design and coding skills (preferably C#).
- Experiencing in debugging code.
- Experience and knowledge of Agile, scrum ceremonies, QAtestingmethodologiesand theSDLC.
- Detail-oriented andpossessstrong organizational and communication skills(both written and verbal).
- Experience testing web-based enterprise system sand SAAS.
- Experience writing detailed bug reports,tailinglogsand conductinga…
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