1. Maria Tverdostup (425)4662316
mtverdostup@hotmail.com
SUMMARY
Software Engineer with years of experience of software production using variety of technologies.
Quick learner with attention to details who prefers taking on ambiguous open-ended tasks.
PROFESSIONAL EXPERIENCE AND SKILLS
Senior Software Engineering Test Infrastructure, Team Lead
Voicebox Technologies, Bellevue WA
2013-2017
VCP Platform Team
 As an individual technical contributor:
o Design and development of a new test framework for Personal Language Module
component used by Samsung SVoice) (Linux, sqlite, Java)
o Development support of concurrency/performance/load web services testing framework
(php, sqlite, C#, Java, Ansible, graphite)
o Extensive refactoring and new features for proprietary client-side tool used to test REST
APIs (C#, HTTP, WebSockets, JSON, XML)
o Verification of AWS deployment process (Ansible, Python, Java, Jenkins)
o Development a proof-of-concept microservice to verify specifical features of a VCP
Platform CI/CD process (Java, Groovy, Docker, Marathon, couchbase, Play!Framework)
 As a Team Lead:
o Led QA engineering team to test a Speech Recognition and Natural Language Processing
web services platform hosted on AWS cloud using open source technologies.
o Mentored team members to promote growth of their technical and leadership skills.
o Coordinated efforts with external teams to improve our product’s test coverage.
o Created a unified test plan template adopted across the company.
o Performed the Scrum Master duties
Technologies: too many to list!
Software Engineer
Microsoft Corporation, Redmond, WA
2000-2013
User Centric Advertising (Bing Ads division)
 Developed improvements of a product's Windows Azure deployment procedure.
 Designed functional test cases for various internal product components.
Technologies: C#, SQL, Windows Azure, PowerShell
PlayReady DRM Team
 Shipped 8 versions of Microsoft’s Media DRM: PlayReady 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 2.0,
2.3
 Designed and developed multiple features for PlayReady DRM Device Porting Kit for Zune,
Windows Phone, Xbox, etc.

2. Maria Tverdostup (425)4662316
mtverdostup@hotmail.com
 Developed platform-independent ANSI C code for PlayReady DRM Device Porting Kit:
parsing of XML streams, authentication certificates, tools for working with secure assets,
web protocol for communicating with DRM license server.
 Tested PlayReady-dependent applications building and uploading to Win8 app store.
Technologies: Crypto, C++; C#; ANSI C, windbg/cdb, JavaScript, PowerShell
ASP.NET/IIS Team
 Developed ASP.NET setup feature for Microsoft Vista OS.
 Enabled 64 bit support in ASP.NET setup and registration utility application (aspnet_regiis)
for all supported Windows platforms preserving behavior compatibility with previous
versions.
 Investigated and fixed issues with ASP.NET servers for releases 1.0, 1.1, 2.0. Regularly
engaged with ASP.NET support engineers and customers. Shipped bug fixes via Windows
updates, QFEs, Service Packs of .NET, Visual Studio, Windows, SQL Server.
 Daily investigated concurrency-related issues and resource leaks in .NET, IIS, SQL Server
and Windows and ensured they were properly fixed and tested.
 Developed and maintained ASP.NET stability/stress/longevity test infrastructure.
 Trained MS SharePoint and Web Exchange teams to adopt ASP.NET stress test framework.
Technologies: ASP.NET, C#, .NET, C++, SQL, shell scripting, windbg/cdb.
Software Developer
ABBYY Software House, Moscow, Russia
1997 - 2000
 Designed and developed C++ library to export Optical Character Recognition results into
various formats (TXT, RTF, PDF, etc.)
 Developed parts of Page and Post Recognition Analysis libraries.
Software Engineer/System Administrator
BIT Software, Inc., Moscow, Russia
1994-1996
 Designed, developed and supported MS SQL DB with Visual Basic frontend for the
company’s tech support and accountants
 Set up DNS, IIS, MS Exchange servers and wrote a set of monitoring utilities (C++, TCP/IP)
Software Developer (part-time)
Sicheslav Science and Production Complex, Dnepropetrovsk, Ukraine
1992-1994
 Developed a software package for statistical analysis of experimental data (Quick C)
EDUCATION
1989-1994 MS in Physics, Radio and Physics Faculty of the Dnepropetrovsk State University
(Ukraine)
IMMIGRATION STATUS
US citizen