Sheldon Dcosta Email & Phone Number

Newark, New Jersey, Us

• Experience with JMeter using Http samplers and Selenium Web Driver samplers. • Experience with LoadRunner using Http protocol. Used Stormrunner.• Experience with AWS and Docker DevOps. Experience working on Bit Bucket. • Hands on experience with SoapUI, Postman, Swagger and Ready API for functional and automation testing of restful API’s. Experience with Postman/ Newman. • Implemented Jenkins Set up with JMeter for CICD Process • Experience with Apache/Confluent Kafka and Big Data Technologies. • Created views, triggers, indexes, stored procs and implemented cursors based on customer requirements.• Create complex functions, scripts, stored procedures and triggers to support application development. • Created Dashboards using Splunk. • Experience with Blaze meter and Gitlab.

Boston, Massachusetts, Us

Worked on Web based and Unix Applications. Developed the performance testing framework from scratch for web applications under test. Experience with AWS cloud, Kafka, LoadRunner and JMeter as a performance testing tool. Experience with Splunk to create dashboards in Prod and Non prod Env.

Boston, Massachusetts, Us

• Coordinate Requirements Gathering sessions with the Business Analysts in the project, to understand the Non-Functional Requirements of the applications, the peak volumes and the performance testing needs.• Hands on experience with various modules of Property and Casualty Insurance like Billing, Policy, Claims and Party. • Created performance testing artifacts like Performance test Strategy document, Performance test Plan and Script design document. • Configured Microsoft Visual Studio Ultimate in Cloud Environment along with its components of Test Controller and Test Agent. • Developed Performance test scripts based on the script design document and invoked various customizations to it like setting up the Extraction rule, adding data source and context parameters. • Utilized SQL Server 2012 to create various tables and view in the database and used it for Load Test execution of applications. • Hands on Experience with driving root case analysis with Dynatrace and creating pure paths deck for performance counters. • Used Http watch for recording the response times of various transactions and reporting it to development team. • Hands on experience with ANTS Profiler for debugging the page response times and figuring out which Methods and SQL calls have high response times.

Minneapolis, Mn, Us

• Coordinate Requirements Gathering sessions with the Business Analysts in the project, to understand the Non-Functional Requirements of the applications, the peak volumes and the performance testing needs.• Understand and define the Performance testing strategy for the project, across releases, by analyzing the requirements of the project.• Facilitate testing discussions and planning sessions with test leads from the other tracks of the project, i.e. Customer Experience Management, Communication Services, Release Management tracks, Automation Testing, to ensure optimal coverage of performance testing.• Utilized TFS for requirement gathering, tracking defects and scenarios. • Utilized TFS for managing project management functions to shape the project team based on a user-specifiable software process, and which enable planning and tracking using Microsoft Excel and Microsoft Project.• Configured Microsoft visual Studio across multiple test machines along with Test Controllers and Test Agents for performing Distributed Load Test. • Created and customized various scripts of Web application with Microsoft visual studio and conducted various stress tests for performance testing.• Monitored various performance test execution with Microsoft visual studio and created a descriptive analysis with the analyzer component of it for reporting the response time to project team and stake holders. • Used Load Runner tool for carrying out end to end performance test executions.• Created Test scripts with WebLoad and invoking various functions for error handling and script customization. • Conducted test executions with Webload and presented its analysis and detailed report to the project team and the stakeholders.

El Segundo, Ca, Us

• Coordinated with business team to get the performance requirements for the Load Testing, Stress Testing and Capacity Planning.• Developed Performance Test plan and Test Case Design Document with the input from developers and functional testers.• Created automation test scripts with Unified functional testing and performed various customizations to the test script invoking various checkpoints for error handling. • Utilized LoadRunner and Performance Center for conducting performance tests. Extensively used LoadRunner using Virtual User Generator to script and customize performance test harness Web Protocol.• Utilized LoadRunner Controller to execute multiple scenarios. • Used Test Results to provide summary reports, response times and monitor averages. Provided results by analyzing average response time graph, throughput and hits per second.• Extensive familiarity with protocols like Web (HTTP/ HTML), Web services and Citrix. Parameterized scripts to emulate realistic load.• Involved in performing load and stress test on the application and server by configuring LoadRunner to simulate hundreds of virtual users and provided key matrix to the management.• Configured and used SiteScope Performance Monitor to monitor and analyze the performance of the server by generating various reports from CPU utilization, Memory, Disk and other OS metrics.• Created test scripts using Neoload and implemented test execution and presented the analysis and its breakdown to the project team and stakeholders.• Involved in conducting stress test and volume tests against the application using LoadRunner.• Helped DBAs identify and resolve bottlenecks.• Hands on experience with Microsoft test manager to create test cases and organize them into test plans and suites.

• Responsible for developing test scenario, test suite, test plan and test cases for Performance Testing using LoadRunner and Performance Center.• Responsible for mentoring different teams for the training of LoadRunner.• Performance Tested application with various load rate, ranging from 50 concurrent users to1000 users.• Managed resources and process of performance testing( like Load, Stress, Volume, Endurance and Failover) using LoadRunner ( Controller, Virtual User Generator, Analysis).• Coordinated with tools teams to Install HP Diagnostics, Wily Introscope and Sitescope on performance environments for monitoring.• Managed on-shore and off-shore team to develop test harness, execute performance scenarios during nights and weekends and reported the results.• Responsible for collecting the frequency of JVM Heap and Garbage Collection in Weblogic during test.• Discussed the Performance Analysis with the Project Team including the Project Manager and Other Business Managers and Presented the Breakdown of Various Response Times and provided its Justification to the team. • Tracked defects using Quality Center.• Involved in Database tuning to enhance the application performance. Provide Weekly updates to the client and application team based on the test results and analysis.• Participated in design review / walkthrough sessions with Project Managers, Developers and Products Team.• Presented performance test results to Project management and stakeholders. Involved with project management team to schedule the testing activities and resource allocation.

• Analyzed the requirements and design documents.• Involved in writing Test Plans by incorporating Performance Testing Objectives, Testing Environment, User Profiles, Risks, Test Scenarios, Explanation about the tools Tools used, Schedules and Analysis, Monitors and Presentation of results. • Written Loadrunner Scripts, enhanced Scripts with C functions. Parameterized Users, stored dynamic content in LoadRunner functions, used client side secure certificates.• Created Single User, Base Line and Soak test scenarios. Random pacing between iterations was introduced to get the desired transactions per hour.• Added performance measurements for Oracle, Web Logic, IIS in LoadRunner. Analyzed results using LoadRunner Analysis tool and analyzed Oracle database connections, sessions, Web Logic log files.• Responsible for analyzing application and components behavior with heavier loads and optimizing server configurations. • Worked closely with Production Managers, Technical Managers and Business Managers in Planning, Scheduling, Developing and executing Performance Tests. • Interacted with Developers during testing for identifying memory leaks, bug fixing and for optimizing server settings at web, app and database levels. Environment: Load Runner, JavaScript, HTML, DHTML, JSP, VBScript, Toad, Oracle, UML, Mainframe, MQ Series, Unix, Windows NT, QTP8.0, Test Director 7.6, Agile.