Hamza Ahmed Email and Phone Number

I joined PB Global Carrier Services (GCS) development team with an ultimate objective of migrating the platform from legacy data center to AWS cloud. From required changes in the code base to migrate from SOA to Micro-services architecture, to the new development of tools to facilitate deployment and testing on AWS cloud, I'm contributing to a huge efforts and team work to accomplish the migration.

Member of Audible Product Catalog Service (APCS) team responsible for content, ingestion, and publishing platform, including manual and bulk ingestion tools. Develop and implement numerous solutions to support international expansion, improve publishing in the Amazon Marketplace, and increase platform reliability and stability.

Technical Scope: Windows, Linux, Eclipse, Tomcat, WebSphere, Spring, Hibernate, ZK Framework, DBVisualizer, Cygwin, CVS, J2EE, J2SE, Servlets, JSPs, Java, AWK, Bash, PL/SQL, JavaScript, HTML, XMLContribute to multiple development projects throughout the entire life cycle using extreme programming and Agile methodologies. Analyze requirements, develop, test, deploy, and maintain software in two environments, and provide on-going production support. Key Projects & Achievements:* Mark the Spot Analytics: Continually expanded responsibilities to serve as development lead over three-member development team. ~ Wrote JDBC applications to transfer data from SQL Server database to local Oracle database. ~ Ported application into new platform, wrote build and deployment scripts, and refactored existing cron jobs to run via Quartz based on Spring configuration within Web application. ~ Coordinated user interface design and played key role in implementation using ZK Framework. ~ Implemented enhancements to database design, tuned / normalized table design, and reviewed all indexes and triggers.* SMS Spam Defender: Developed server-side intelligence, including communication with other systems using Web Services. ~ Stepped up to take responsibility for deployment and production support. ~ Refactored code to introduce multithreading using Java Executors Framework, wrote Web Services Web application to use as a simulator for downstream systems. ~ Implemented report scheduling module with email delivery using internally developed tool, and created PL / SQL package to prepare report data and recipient information.* Quantum Big Data Platform: Built scheduling service using Quartz and Spring.* Gained experience with new technologies, including ZK Framework, Big Data, and Hadoop.

Develop Web and Web services components in Java / J2EE using open source and commercial products for Biometric Search Engine utilized in US and international civil, criminal, federal, and military security & identity management applications. Manage software development lifecycle from initial concept and design through testing and deployment. Assist with debugging, troubleshooting, problem resolution, and other client support matters. Key Achievements:* Led development of new features and functionality in Workflow Manager using core Java and XML processing, including UPDATE functionality enabling replacement of select biometric records.* Conducted research for upgrade from XML-RPC to improved interface mechanism; performed timing and throughput tests on pure socket transmission, Apache AXIS-2, and SOAP with MTOM; ultimately selected SOAP with MTOM.* Spearheaded design and implementation of next-generation Integration Service Web services application functioning as entry-point for all biometric services; migrated from Apache Axis to Sun JAX-WS RI, modified and enhanced existing schemas, wrote WSDL, and developed build script to automate domain server-side classes generation.* Authored business tier of new Web Service from scratch.* Led development of NIST record validation engine to meet FBI EBTS specifications.* Created and deployed Configuration Service Web application to maintain and manipulate systems & biometric galleries configuration; designed and maintained light configuration database using Hibernate, h2, MySql, Oracle, and Microsoft SQL Server.* Enabled dynamic system configuration and statistics / status reporting with development of JMX layer integrated with GUI management tool kit.* Used company's middleware layer (Apache ActiveMQ messaging) and client-selected database to create centralized logging framework with ability to create local logging channels for individual components.

J2EE, Java, Oracle 9i, Apache, Tomcat, wsdl2java, Perl, XML, HTML, GNAT,Korn Shell, QTP, CGI, C, JavaScript, LDAP, DaytonaPlayed key role on project teams developing and testing mission-critical solutions.Key Projects & Achievements:* Enterprise Messaging Network (EMN) device-independent alert dissemination system builton J2EE-type architecture. ~ Held responsibility for feature requirements analysis and requirements review withclient; prepared test cases / test plans. ~ Used wsdl2java to generate Java code; created Java client programs to test Webservices. ~ Developed driver programs in UNIX Korn sell to call Java client classes. ~ Automated 60% of testing using Perl, Java, XML, and HTML; analyzed and published testresults. ~ Reported and tracked software defects in GNAT online fault tracking system.* TrackIt! online capability analysis / call monitoring tool designed to pull data frommultiple telecomm platforms into database able to generate reports, monitors, and triggersbased on user specifications. ~ Collaborated on coding and testing Exception Alarms & Session Manager modules and CGIscripts. ~ Used Perl to create load test tool to simulate tunable number of browser clients andmeasure / report system response time. ~ Maintained existing C code.

Software Test Engineer & Systems Analyst / Tester, 12/2000 - 10/2004Technical Scope: Java, Perl, Korn Shell Scripts, SQL, XML, JDC 1.3, WinRunner, Corba, OracleContracted with top international firms to contribute to software development and testing efforts.

Network Engineer development team working on GIS-based system for design and documentationof telephony networks. ~ Analyzed system requirements / technical specifications and designed, tested, andimplemented Import / Export utility for data migration from legacy systems to NetworkEngineer system using JDK 1.3 and XML. ~ Assisted with design of XML schema to incorporate pre-defined corporate technicaldata dictionary in hierarchical structure. ~ Used WinRunner to design and create automated test cases; executed WinRunner scriptsand analyzed results. ~ Wrote user manual for Import / Export Utility, including installation procedures anddatabase connectivity setup.

Hand-chosen as qualitygate controller for Order Taker / Universal Service Manager application component of front-end data integrity project. Performed testing throughout the SDLC, including requirements& design review, peer-to-peer code review & inspection, unit, integration & producttesting; supported UAT, User Certification Testing, and users in production. ~ Analyzed system and user requirements, created test plans and system test cases,prepared test data, executed test cases, evaluated and reported defects. ~ Developed and executed system tests using Korn Shell, Perl and Java programs tomanipulate test data to test negative scenarios, and Java programs to simulate interfaceswith external systems; wrote all related instructions. ~ Created SQL queries and programs to analyze and manipulate data in Oracle databases. ~ Eliminated combinatorial explosion by developing highly effective test strategies andmaintaining detailed understanding of requirements; categorized test scenarios &equivalent classes and tested boundary conditions & common causes. ~ Performed comprehensive testing of application-to-application interface involvingmultiple ordering, provisioning, and billing applications, including OT/USM, IOM, DBOR,SDM, EFMS, RM, OCSS, and WATS/SOP. ~ Successfully managed testing to consistently meet tight deadlines; maintained activecommunication to coordinate testing with India-based Remote Development Center (RDC). ~ Collaborated on implementation of SEI's CCM Level 3 guidelines; chosen as intervieweeduring assessment phase.