SUMMARY:

• 11+ Years of IT experience with effective project management involving design, development, enhancement, production support and technical leadership skills.
• Experienced in Big Data technologies (NoSQL databases such as Cassandra and MongoDB).
• Have involved in Cassandra database administration and data modeling activities such as capacity planning, design, installation, maintenance, optimization monitoring and support.
• Development experience in C, C++, VC++, Socket, Multithreading, Bash/ksh, CGI & OO Perl, AWK using IDE tools Visual Studio, Sun Studio, Code Warrior, XCode, Vi Editor, Brew SDK tools.
• Actively involved in Analysis, Designs, coding, testing and deployment phases.
• Application and infrastructure monitoring Tool Development.
• Experience in Java, Python and Ruby.
• Experienced in Source Control Management system using SVN, CVS and GIT.
• Experienced in supporting all phases of SDLC.
• Experienced supporting applications in a UNIX and LINUX environment.
• Experienced in supporting Big data project with Coherence, Cassandra, Golden Gate technologies.
• Experienced in providing server and application support to the Production and non - Production environments.
• Experienced in building and releasing packages (RPM).
• Ability to lead complex investigations and RC analysis.
• Ability to follow defined escalation paths in order to ensure appropriate focus and attention is placed on high priority issues affecting revenue generating and non-revenue generating systems.
• Expertise in debugging issues and has excellent analytical skills.
• Quick learner of the new technologies and excellent team player and having good time management skills.
• Process knowledge of ITUP (Information Technology Unified Process) and PRISM (Project Repository Information System Management), IBM Rational Requisite Pro.
• Experience with Waterfall and Agile/Scrum methodologies.

TECHNICAL SKILLS:

Language: C, C++, VC++, Shell/Perl/Awk Script, Socket, Multithreading, SQL, CQL.

RDBMS: Oracle, Microsoft SQL 2005, Informix

NoSQL: Apache Cassandra, MongoDB

Web Technology: HTML, CGI, Apache Server, SOAP, REST

Operating Systems: Macintosh, Window, Linux, Unix

Tools: Visual Studio, CodeWarrior, Xcode, Sun Studio 11, vi Editor, BREW SDK Tools, CVS, VSS, SVN, IBM Rational Requisite Pro, ITUP and PRISM, JIRA, Solace Admin, Visual VM, HP Quality Center. Datastax dev center. Datastax Ops center, Zookeeper, Nagios, Jenkins, Atlassian confluence

PROFESSIONAL EXPERIENCE:

Confidential, Alpharetta, GA

Technical Lead Developer

Responsibilities:

• Requirement analysis, Design, Development, Maintenance and Support for Performance and monitoring tool.
• Development for Fault and Performance Data Collection, aggregation, distribution, Data processing and analysis for Managed Services(BSS/OSS) (e.g. Web Hosting, Application Services, Managed Router Services) and Internal Infrastructure.
• Tool development to collect data using standard industry protocols, such as SSH, WMI, HTTP/HTTPS, SNMP, PING and SYSLOG.
• Solution Designing and Development for requirement.
• Developed Web services (REST compliant API) that operates through HTTP requests and responses.
• Development and Maintenance for application to managed and monitored ERP application.
• Developed scripts to monitor Peoplesoft, OraApps and Sap application and send email & alert to create a ticket.
• Development using Oracle, MongoDB as backend and Round Robin database(RRD) for graph.
• Issue analysis and provide fix for application.
• Team member’s code review and deployment for production.
• Offshore coordination.
• Mentoring team member.

Environment: C, C++, CGI & OO -Perl, Ksh, Apache HTTP Server, Oracle, MongoDB, Script, Agile, SOAP, Linux(RHEL), RPM, Jenkins, Atlassian confluence, Rally, GIT, SVN, PhantomJS, RRD, JS, Python, Ruby.

Confidential, Alpharetta, GA

Cassandra DBA

Responsibilities:

• Architecture, design and capacity planning, implementation for various applications for Cassandra infrastructure
• Upgradation & expansion of the current systems and decommission of the failure items includes add new node/new data center into Cassandra cluster, also removing failure node and DC.
• Performing backup, bulk load, run repairs, monitoring using custom build scripts as well as Opscenter.
• Provide cross-functional support to various application team which are using Cassandra on all DB issues and queries.
• Analysis is carried out to resolve various performance issues by suggesting better techniques and practices as part of issue resolution.
• Use Cassandra-stress to load tests, baselining and capacity planning clusters for new application/projects.
• Configure backup, alerts, repairs and monitoring of Cassandra clusters, in conjunction with Nagios/Opscenter and custom scripts.
• Design and Implement access controls/security for different category of users.
• Monitored application availability, end to end application performance and take proactive actions as issues arise.
• Provided Application support to the Production and non-Production environments.
• Technical leadership for resolving complex programming tasks. Several operational tasks are performed along with other tasks to manage the health of all the clusters are also taken up regularly.
• Offshore coordination.
• Mentored team member.

Environment: Apache Cassandra, Datastax Dev center, Datastax Ops center, Perl, Ksh, Atlassian confluence, Oracle, Toad, Solace Admin, Nagios, Java, Linux(RHEL).

Confidential

Sr. Technical Associate

Responsibilities:

• Requirement analysis and client coordination.
• Actively involved in Impact Analysis, High Level Design, Low Level Designs, coding and testing phases.
• Designed and developed application to encrypt the SPI/PCI data elements before writing to storage and to decrypt the SPI/PCI after reading from storage using Voltage API.
• Development, Support and Maintenance for legacy screen scrapping application to order generation and other billing related activities.
• Onsite coordination.
• Mentored team member.

Environment: C, C++, Perl /Shell Script, Informix, mainframe, Unix(HP-UX), VI Editor, Taskmate, Solaris 10, VI Editor, SVN, CVS, Voltage API, ITUP, Prism, IBM Rational Requisite Pro.

Confidential

Asst. Systems Engineer

Responsibilities:

• Requirement analysis and client coordination.
• Development for CDMA mobile using brew platform.
• Agent development to connect the server through CDMA mobile by http connection and save the images Confidential the mobile devices which display in application for advertisement.
• Maintenance for Multilanguage language text rendering (MLTR) program which can be used along with any mobile application to render multiple languages on the mobile handset.
• Mentored team member.

Environment: C, C++, Visual Studio, Brew platform, VSS, Window.

Confidential

Sr. Software Engineer

Responsibilities:

• Requirement analysis and client coordination.
• Development using the ROBOTASK API to connect the IBM mainframe system creates orders that are (eventually) sent to Billing.
• Converted the existing Special Access DS1 circuits, from Non-Portability BANs to Portability BANs

Environment: C, Perl, mainframe, Unix (HP-UX), VI Editor, CVS.

Confidential

Software Engineer

Responsibilities:

• Development for performance product.
• Agent development to collect the system level performance information. Performance metric categories are cpu, disk, memory, process, IP, TCP, UDP.
• Developed Real Time Agent sends the performance information to Real Time monitor tool in Server and also handles exceptions, events and sends to alert to server.
• Developed a daemon process with command line interface to collects the application data through RMC API.

Environment: C, C++, POSIX threads, Sun Studio 11, Unix (Sun Solaris), Linux.

Confidential

Software Engineer

Responsibilities:

• Development & Maintenance for Plugin and Xtension.
• Development for Window and Mac using SDK’s Adobe InDesign (CS2 and CS3) and QuarkXPress (6 and 7).
• Created self-design to convert to xml/tsl format and tested in Page Flex.
• Build the release version for Adobe InDesign Plugin and QuarkXPress Xtension.
• Documented release, builds and source control processes and plans.

Environment: C, C++, Visual Studio, CodeWarrior, Adobe InDesign, Page Flex, Xcode, Window, Macintosh.