
Senior Software Engineer - Quality Engineering
CoStar GroupBase Salary
$130k - $170k/yr
Responsibilities
- Ensure products conform to business requirements, company policies, software quality standards, procedures, and SOX compliance requirements.
- Design, document, and implement testing procedures, techniques, test plans, test cases, test data, progress reports, release reports, turnover documents, and schedules.
- Develop functional automated tests and maintain automated regression test suites.
- Create functional and integration API-layer tests and evaluate software and business risk, accuracy, completeness, internal integrity, testability, and overall quality.
- Submit, track, reproduce, and regress defects throughout the SDLC, including production and release issues.
- Support release management by validating release readiness and coordinating go/no-go testing decisions.
- Use agentic engineering and AI-assisted tools to accelerate test design, automation, defect triage, code review, and root-cause analysis.
- Recommend and assist with corrective actions throughout the product life cycle.
Requirements
- Bachelor’s degree in information systems, computer science, or a related field from an accredited in-person, not-for-profit university or college.
- At least 5 years of industry experience as a software quality assurance test engineer and at least 5 years of functional testing experience are preferred.
- Experience with agentic engineering and AI-assisted development tools such as Claude Code and GitHub Copilot.
- Strong SQL and relational database design knowledge, including proficiency writing T-SQL queries.
- Experience testing mission-critical relational database applications and web-based enterprise systems.
- Ability to write software for functional automated tests using recognized design patterns and familiarity with JavaScript/TypeScript fundamentals.
- Working knowledge of Postman for API testing and debugging and experience creating functional/integration API-layer tests.
- Knowledge of QA methodologies, deliverables, processes, strategies, metrics, techniques, and the SDLC.
- Hands-on experience with Chrome Debugger, Datadog, and Log Rocket for testing and debugging.
- Preferred experience with Playwright or similar automation frameworks, CI/CD pipeline integration, performance/load testing, accessibility standards, OWASP Top 10, Microsoft Visual Studio, Visual Studio Code, Azure DevOps, or GitHub.
- ISTQB or equivalent QA certification is preferred.
Benefits
- Base compensation is $130,000-$170,000 annually.
- Comprehensive medical, vision, dental, prescription drug, life, legal, and supplementary insurance.
- Virtual and in-person mental health counseling for individuals and families.
- 401(k) retirement plan with matching contributions and employee stock purchase plan.
- Paid time off, tuition reimbursement, internal training, and professional and academic growth opportunities.
- Commuter and parking benefits, an onsite fitness center or reimbursed fitness center membership where applicable, employee resource groups, and complimentary snacks and beverages.
- Richmond, Virginia position that is onsite Monday through Thursday and work-from-home Friday.
Tech Stack
Categories
About CoStar Group
CoStar Group (NASDAQ: CSGP) is a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology. Founded in 1986, CoStar Group is dedicated to digitizing the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives. CoStar Group’s major brands include CoStar, a leading global provider of commercial real estate data, analytics, and news; LoopNet, the most trafficked commercial real estate marketplace; Apartments.com, the leading platform for apartment rentals; Homes.com, the fastest-growing residential real estate marketplace; and Domain, one of Australia’s leading property marketplaces. CoStar Group’s industry-leading brands also include Matterport, a leading spatial data company whose platform turns buildings into data to make every space more valuable and accessible, STR, a global leader in hospitality data and benchmarking; Ten-X, an online platform for commercial real estate auctions and negotiated bids; and OnTheMarket, a leading residential property portal in the United Kingdom. CoStar Group’s websites attracted over 143 million average monthly unique visitors in the third quarter of 2025, serving clients around the world. Headquartered in Arlington, Virginia, CoStar Group is committed to transforming the real estate industry through innovative technology and comprehensive market intelligence. From time to time, we plan to utilize our corporate website as a channel of distribution for material company information. For more information, visit CoStarGroup.com.