Tatyana Koyfman Email & Phone Number

Warrington, Pennsylvania

● Built electronic Case Report Forms (eCRF) to record blind assessments of medical imaging data required by the client protocol. Utilized Visual Studio .NET C# Win Forms for front-end development and Microsoft SQL Server as backend database.● Partnered with cross-functional teams of medical scientists, project managers, medical writers, data management and delivery teams to determine eCRF (electronic Case Report Form) project objectives. In partnership, determined project scope, requirements, GUI and database design, data delivery protocols.● Participated in design meetings and brainstorming sessions. Presented recommendations and potential solutions to address specific project needs and challenges.● Worked closely with the cross functional project team to understand the project's objectives, scope, and requirements. Attended meetings and brainstorming sessions. Presented recommendations and possible solutions to address specific project needs and challenges.● Supported the correct design of the system by offering insights into how technical and functional aspects could be integrated to meet project objectives.● Followed SOLID principles and best practice that led to well-structured, maintainable, and flexible code.● Created SQL scripts to support back-end functionality for internal systems.● Optimized database queries, indexes, and overall database performance to ensure efficient data retrieval and processing.● Performed MSA (Medical Scientific Affairs) data checks to ensure data accuracy and integrity.● Created complex SQL scripts to analyze data issues and anomalies. Conducted a thorough impact analysis to understand how the proposed changes would affect the existing data. Assessed the potential risks and implications of the changes. Implemented SQL scripts for proposed DBCR (Database Change Request) to perform necessary data modifications.● Partnered with the Data Management team to review and design clinical data transfer protocols.

Souderton, Pa

As part of the Agile team worked on Almac IXRS 3.0 project that manages clinical trials data.Utilized VS2012, C#, ASP.NET/MVC, Entity Framework, LINQ, NServiceBus, Resharper, NUnit, FakeItEasy.Developed, debugged, and unit test code for the project.Created unit tests cases to maximize automated tests coverage of the code.Refactored code to add values and improved results delivered.Planed and tracked own work in TFS.Participated in demos and showcases for project stakeholders and members of the team.Provided mentoring and assistance to other developers on the team.

Valley Forge, Pa

Worked in different roles to maintain and develop credit union solutions for DataSafe Navigator applications such as Teller Navigator, SMARTSuite Automated End-to-End Lending System, Master Agreement, Member Services, Courtesy Pay, Lending Navigator, Master Person, ACH Payroll Manager utilizing VB.NET, VB6, C#, and Cache. •As part of the CMMI methodology reviewed and analyzed business requirements, provided project estimations, created design specifications, use cases, unit test cases, and general release documentations.•Act as a project lead to coordinate efforts between internal and offshore developers. •Coded critical parts of the solutions, participated in peer reviews and inspections of the project.•Completed and delivered all projects onetime with minimal or no bugs following CMMI methodology.•Supported QA team during testing.•Assisted software delivery team in resolving technical issues during software release to credit unions. •Created PowerPoint presentations and provided coaching to SWAT and technical support team.

Philadelphia, Pa

As part of the team worked on a complete life cycle of software development that included: requirement definitions, project estimation and scheduling, design, coding, testing, implementation and maintenance. BIOSIS Indexing System used to maintain indexer profile, distribute work among users, capture and index biological data.•Participated in gathering user requirements and application architecture designs sessions; wrote technical documentation using Rational RequisitePro. Created UML diagrams in RationalRose. •Performed third-party products evaluation, developed prototypes to prove new concepts.•In a role of technical lead, was responsible for design, development, and execution of test methodology, and plans. Reviewed tested outputs to ensure that system meets technical requirements.•Promoted component based architecture by implementing multiple reusable ActiveX components in VB6 to be utilized as stand-alone modules or as part of the system.•Used PL/SQL to create various Oracle packages to support application logic. Worked on system performance optimization.•Provided IT staff with strong technical guidance and assistance. Participated in code reviews. •Identified, estimated, and scheduled my own project deliverables, milestones, and required tasks.•Completed variety of development and maintenance projects, such as “Automated Vendor Selection”, “Image Bundling”, “Patent Selection”, and “Integrated Source Management Processing” applications.

Media, Pa

• Completed project for ContiMortgage Report Department. Created more than 50 reports for Bankruptcy, Foreclosure, Default Control, Property Services, Real Estate Owned, and Loss Mitigation Departments using MS Access. Provided users with assistance and training in MS Access.• Participated in development of Computer Associates Document Imaging (CADI) System for Sales Accounting department. The system uses FileNet Image Repository to store and retrieve document images. Created reports using Crystal Reports 6.0, which capture data from the SQL Server database for the purpose of monitoring the system, user and team performance.

Exton, Pa

•Designed and developed GMACM Employee Accounting system using MS Access as front and back – end. •Created macros for data migration. Generated reports for various financial data based on end-user criteria.•Designed and developed Open Loan Survey Application for GMAC Mortgage using Visual Basic and Access.