Available to hire
I’m Lana Horn, a results-driven Senior Quality Assurance Engineer with 25+ years of experience testing complex software applications across residential property management, marketing automation, financial services, mortgage, and accounting industries.
I have deep expertise in full software development life cycle (SDLC), Agile methodologies, API testing, database validation, and cross-functional team collaboration. I mentor offshore QA teams and advocate for clear, unambiguous requirements to deliver on-time, high-quality releases.
Skills
Language
French
Intermediate
Spanish; Castilian
Intermediate
Work Experience
Senior QA Engineer at CoStar Group
November 1, 2020 - PresentLead QA testing for Apartments.com, a high-traffic online rental marketplace. Create, maintain, and execute integration, regression, and new-feature test cases; perform advanced API testing using Postman, SoapUI, and custom scripts to validate back-end services. Test payment API endpoints (Stripe) and landlord premium listing upgrades. Conduct mobile and native app testing across iOS, Android, and iPad. Review automation script failures; manually reproduce and confirm failures before escalation. Track defects and user stories using TFS/Azure DevOps and Jira; monitor resolution progress and provide status updates. Collaborate with product owners, developers, and support analysts to ensure high-quality releases. Validate localization coverage and legal compliance for leasing updates; verify AI-generated property descriptions for accuracy.
Software Test Specialist at Silverpop / IBM / Acoustic
October 1, 2011 - September 1, 2021Subject-matter expert for Marketing Campaign application; full manual and regression testing for campaigns (web tracking, mail tracking, scoring, SMS). Executed data migration validation from Oracle to AWS DynamoDB; validated record counts and scoring logic post-migration across production pods. Led offshore SMS feature development/testing, mentored offshore teams, performed API testing for internal/external REST and XML APIs; triaged production issues; monitored Logstash; validated fixes; collaborated with developers to reproduce issues.
Quality Assurance Engineer II at Experian Consumer Direct (ECD)
August 1, 2009 - October 1, 2011Manual testing of a web-based online credit report application across multiple browsers; produced QA estimates; developed and executed test plans; created test data and in-house utilities; monitored FTC rule changes and adapted testing accordingly.
Senior Quality Assurance Engineer at Sage Software
January 1, 2007 - December 31, 2009Tested accounting software releases (MAS-90 and MAS-500); regression and performance tests; mentored offshore QA team; participated in design reviews; created test matrices and checklists; delivered MAS-500 v7.3 on schedule; validated Inventory, Purchase Order, and Manufacturing modules.
Senior Quality Assurance Engineer (Contract) at Option One Mortgage
January 1, 2007 - December 31, 2007Validated Encapture imaging product integrated with GEMII and LOSM; validated IRS routing service; created and maintained regression test suites; updated regression plans to align with evolving design specifications.
Senior Quality Assurance Engineer at Argent Mortgage
January 1, 2004 - December 31, 2006Tested Empower LO, focusing on funding, wire transfers, and loan product compliance; discovered a critical Wires In/Out flaw that could have caused significant losses; delivered 10 loan products across state compliance rules; tested Loan Genius (LG) portal end-to-end and created test matrices for regression.
Team Lead – Senior Quality Assurance Engineer at Fidelity National Financial
January 1, 2000 - December 31, 2004Team Lead for the General Accounting module of NGS; authored and maintained test plans; tracked defects; tested third-party interfaces; executed WinRunner automation; performed data validation with DB2 and Brio.
Quality Assurance Engineer at SMS Corporation (First American Title)
January 1, 2000 - December 31, 2000Tested enhancements and defects in FAST Title 2.0; authored and modified test plans; tested functionality and build acceptance against business rules; logged defects and verified hot fixes post-deployment.
Senior Quality Assurance Engineer at Epicor Software Corporation
January 1, 1997 - December 31, 2000Tested Platinum SQL client-server Financial Accounting applications; authored and maintained test plans for new installations and upgrades; logged functional and technical bugs; installed and tested server and client components.
Education
Bachelor of Science, Computer Science at California State University, Fullerton
January 11, 2030 - June 1, 1989Qualifications
Industry Experience
Software & Internet, Financial Services, Real Estate & Construction, Professional Services, Media & Entertainment
Skills
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