Lan Sheng
972-***-**** (H) 469-***-**** (C)
**********@*****.***
Professional Profile
Experience in full software development life cycle, including customer support, software design, testing and quality assurance
Unique blend of strong technical knowledge, leadership and excellent interpersonal skills. Reputation as highly organized, dedicated and committed professional
Proven ability to solve problems, develop solutions and perform well under pressure, with close attention to details
Technical Summery
Languages: C, C++, C#, Java, VB, Perl, Shell Scripting, JavaScript, Bash, XML
Operating Systems: Window, UNIX (SUN, HP, AIX), LINUX, Mainframe
Database: SQL, Access
Testing/Quality Tools: Jira, ClearQuest, ClearCase, HP Service Manager, HP Quality Center, Clarify, TCAR, Salesforce.
Automation Test Tools: STEP, STEPRUN, QTP, Softphone, IBM Rational
Test/Analyst Strength: Software functional testing, automation testing, regression testing, performance testing, capacity, load & stress testing, black/white/grey box testing,,unit testing, System Integration Testing (SIT), User Acceptance Testing (UAT), interoperability testing, robustness testing, browser compatibility testing, GUI testing, security testing, engineering stability, repeatability and accuracy test
Software Testing Methodologies: Software Development Life Cycle (SDLC), Software Testing Life Cycle (STLC), CMMI, TL9000, Waterfall and Agile Methodologies
Professional Experience
E4D Technologies, Richardson, Texas
Software Test Engineer 7/2013 – 1/2016
Tested CAD/CAM restorative systems and software solutions for dental offices, laboratories and teaching institutions. Verified the computer-guided scanners, 3D image software and smart mills for custom restorations with manual/automation scripts within Scrum team.
Verified the requirement and developed the test strategy, test plan, prepared test data. Set up the test configuration and interconnect the products to form the test systems along with the test equipment. Assisted designers to troubleshoot code defects and improve the functional performance with SQL and logs following Quality Management Systems (QMS), Environmental Management Systems (EMS) regulations and standards.
Wrote or revised test cases including the test purpose, procedure, acceptance criteria, and test set-up. Confirmed requirement coverage and documented trace, dry-running test cases. Verified matrics and testability across teams and products. Traced the issues with JIRA.
SENTEL Corporation, Dallas, Texas
Software Test Analyst (Contractor for IRS) 4/2011 – 4/2013
Performed testing/verification for Report Generation Software (RGS) developed in C#, VB and Java to support the tax agents in campus and field locations nationwide. Made the estimation, risk analysis, test scope and test schedule. Reviewed requirements and functional design, identified critical test cases and end-end scenarios, developed and executed the test plans. Verified complex tax calculation with different interactions. Recorded the test results and wrote the defect reports in ClearQuest/ClearCase following the CMMI procedures.
Screened and assessed the technical help requests from customers. Prioritized and assigned the issues to the multisite IRS support/development teams with HP Service Manager.
GENBAND Corporation, Plano, Texas
Software Support Engineer (Transferred from Nortel) 6/2010 – 1/2011
Provided technical support for Automatic Call Distribution (ACD) call center for AT&T, Verizon, Frontier and BT. Answered the customer questions and remote login to the customer site to monitor and troubleshot the field issues. Performed call processing debugging/troubleshooting/testing and verification using QTP/VB Script and/or Softphone/STEP with UNIX. Configured the ACD software to verify the compatibility with a new IP hardware for the potential sales. Deployed the new software updates and implemented system testing with Shell Scripting and XML.
NORTEL Inc., Richardson, Texas
Software Engineer 1/1994- 5/2010
Working as the design planner, collected and analyze the field data from the customers and documented the requirements for the development team. Reviewed function specifications with customer and worked on the high level designs with developers. Participated the multisite meeting to determine the exact needs, expectation, constrains and interfaces.
Developed Billing Server for Sprint with the updated Call Detailed Record (CDR) format according to the billing specifications. Designed, coded and debug the implementation. Tracked the defect and updated the ticket status in HP Quality Center following SDLC procedures. Run capacity test.
Implemented the telecom features for AT&T, MCI and UCS that add/update/extract/pass the message/parameter transporting between wireline/wireless, local/long-distance, domestic/international, SIP/TDM and PBX/switch. Performed call processing debugging/troubleshooting/testing and verification using automation tool Softphone/STEP with UNIX. Run the manual calls with Sagebox and Inetbox in the lab switch or customer field. Captured the call track, message track and logs/OMs.
Performed Automation Testing and Regression Resting for User Acceptance Test (UAT). Created/updated and executed the automation test scripts for Black Box testing. Made performance analysis and identify the performance bottlenecks. Performed White Box design testing to validate intended code implementation with 100% code coverage. Assisted designers to find code weakness to improve the functional performance.
Initiated and performed feature capability testing. Developed test plan including test scenarios, test cases, testing environments, system configurations, and entrance/exit criteria following ISO TL9000 standard. Defined capacity test methodology and provided capacity projections for call model testing using automation test tools. Generated call categories, durations and incoming rate to perform capacity analysis using Excel.
Education: MS of Computer Science, University of Texas at Dallas, Richardson, Texas
Security Clearance: U.S. Citizen with the active security clearance for IRS
Recent Training/Certifications:
JAVA 2: Programming Language – 3rd Edition, Element K, April, 2012
Certified Tester - Advanced Level Test Analyst, Element K, June, 2012
Certified Software Quality Analyst, Element K, Feb, 2013