SUMMARY:

• A skilled software engineer with in - depth technical knowledge and experience in design, development of web, distributed client/server and Enterprise Class Multi-Tenant and Service Oriented Architecture
• 11+ years of experience in software development in J2EE
• Extensive knowledge in all aspects of software development life cycle, relevant methodologies and documentation procedures
• Experienced in J2EE and object oriented patterns

TECHNICAL SKILLS:

Languages, Standards & Environments: Java, PL/SQL, Ruby and Rails, PHP, C, C++, Perl

Web/Java technologies: J2EE, YUI, JavaScript, AJAX, Servlets, JSPs, JAXB, JAX-RS, JNDI, JDBC, RMI, EJB, XML, SOAP, multi threading

RDBMS: Oracle, SQL Server, My SQL.

Distributed DB: Dynamo DB, S3, Cassandra, HBase

Application Servers: Tomcat, Jboss, Glass fish, IBM WebSphere

Frameworks/Packages: Hadoop MapReduce, Apache Struts, Spring, Apache Axis, Hibernate

OS: Windows, FreeBSD, Solaris, Unix and Linux

PROFESSIONAL EXPERIENCE:

Confidential,VA

Senior Software Engineer

Responsibilities:

• Analyzed total system product to include: concept, design, test, installation and operations and maintenance
• Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical and logical constraints
• Performed system integration, verification and validation for total systems
• Attended meetings with the Subject Matter Experts to finalize business requirements
• Added System Change Requests & Created Stories in JIRA to track work in progress
• Analyzed different open source survey tools for an efficient and optimal solution.
• Created working prototype of JD Esurvey to finalize solution for business approval.
• Designed user access management, implemented custom authentication integrated to LDAP and user authorization with various access levels using spring framework.
• Worked on SLA documentation like Version Description Document, Design Document, Sequence Diagrams & Data Flow Diagrams
• Used Maven to fetch, build, and deploy application to development environment.
• Provided Tier 3 helpdesk support by called end users to triage service desk tickets

Confidential,VA

Senior Software Engineer

• Involved in the requirement gathering and design of the end to end flow of the application.
• Designed and developed multiple prototypes that involves different in memory models i.e. MYSQL in memory database and H2 database engine, also concurrent processing using Java collections as a proof of concept to finalize the design.
• Analysis of the prototypes by extensive performance and memory leak testing on Ec2 instances.
• Developed critical modules like generating Confidential resource numbers and integration points with DynamoDB, S3 and SQS Queue
• Designed and developed multi-threaded java application, the application runs as batch process to create and update Policy Rule Packages, Policies, Findings, Severity and Recommendation in DynamoDB
• Designed and developed the object model and API’s exposed by the service. Framework used here is propriety to Confidential built on top of Spring 3.2.
• Analyzed & Developed the Create, Read, Update and Delete(CRUD) Application, Resource Group, Assessment, Policy Package and Findings for Policy Engine
• Implemented PLSQL queries to execute the policies of an assessment.
• Developed modular policy execution work flow, where the application reads assessment data collected by Inspector Agent from S3, loads the assessment raw data into the in- memory, reads Policy packages from DynamoDB and executes policies against the rawdata.
• Development of Oval definition xml parsing using VDT-xml and XPATH to automate the execution of security policies.
• Worked with Security engineers to define security Rules Packages

Confidential,VA

Senior Software Engineer

• Working in all phases of software development including Analysis, Design and Development, Testing and Production of Web-based applications using Agile methodology.
• Selected technology stack based on the architectural requirements.
• Created working prototype to finalize design for business approval.
• Implemented end to end solution for the team to follow the design, which includes creating all tiers, critical modules and integration points.
• Lead the team in developments tasks
• Designed the table structure in an Entity Relationship Diagram
• Developed end to end application which includes critical modules and integration points, so that each developer can focus on their individual modules.
• Designed and developed transaction management, Ehcache, user access management and enterprise business logic
• Developed application using SpringMVC Framework that leverages Model View Controller (MVC) architecture.
• Implemented IOC, aspect oriented programming, spring expression language, validation, JDBC using Spring Framework
• Designed user access management, implemented custom authentication integrated to LDAP multiple masters servers and authorization using spring framework
• Implemented J2EE design patterns such as Data Transfer Object (DTO), Data Access Object (DAO), Service Locator and Singleton.
• Configured data source for connection pooling in Apache Tomcat.
• Used PLSQL statements and stored procedures to fetch the data from the database.
• Used AJAX for dynamic client interaction
• Used Javascript for client side validations and Spring validation frame work for server side validations.
• Used log4j as the logging framework
• Designed and developed java application, the application runs as batch process to populates JIRA projects and ADP employee information to cap labor MYSQL database.
• Developed shell scripts which were scheduled to run as a batch, the scripts executes java application that pulls employee and project information from ADP and JIRA.
• Used SVN for version Control.
• Used ANT scripts to fetch, build, and deploy application to development environment.
• Provided support for operations and maintenance to resolve production issues.

Confidential,VA

Senior Software Engineer

• Gathered requirements from Business in Joint Application Development sessions.
• Created working prototype to finalize design for business approval.
• Lead the team in developments tasks
• Designed the table structure in an Entity Relationship Diagram
• Designed and developed key modules of the application in UNIX platform.
• Developed synchronous and asynchronous API’s for email box and domain creation. These API’s are implemented as restful web services using Jax-rs.
• Designed and developed multi-threaded java application, the application runs as batch process to generate web analytics reports for the entire customer base.
• Developed transaction management, Ehcache, LDAP authentication, user access management and enterprise business logic
• Implemented IOC, aspect oriented programming, spring expression language, MVC and validation using Spring Framework
• Used core J2EE design patterns like Singleton, Factory, Adapter and DAO.
• Created shell scripts for configuring and installing Cassandra systems.
• Created CQL (Cassandra query Language) queries for insertions, updates and retrievals of cloud mark logs.
• Configured data source for connection pooling in Apache Tomcat.
• Used AJAX for dynamic client interaction
• Provided support for operations and maintenance to resolving production issues.

Confidential,Sunnyvale,CA

Software Engineer

• Design and implementation of key modules like transaction management, single sign on authentication/authorization layer, user access management, caching with OSCache, JCE encryption, enterprise business logic.
• Implemented MVC and validation using Struts Framework
• Created SQL DDL/DML for the data access layer.
• Worked on resolving customer issues for several customers
• Major responsibilities include designing and building background scheduling framework in java using flux and search framework.
• Developed EJBs in business layer
• Developed authentication using LDAP and JCE encryption, IOC Spring.
• Worked in high priority defects filled by customers.
• Responsible for designing, implementing and unit testing Thread Analysis features in VE.
• Major responsibilities include designing and building meta-metadata driven framework in java to be minimize the effort required to expose user data - both specified and implied data from usage across the Y network
• Implement single consistent API/service in java.
• Integrating unit testing to maven through TestNG and easy mock.
• Worked with QA team and operations in resolving pre-production issues.
• Worked on resolving customer issues for several customers

Confidential,Chandler, AZ

Software Developer

• Implement key modules like authentication/authorization layer/data access layers.
• Implementing various functionalities like user authentication/authorization management upload/download UIs etc.
• Responsible for working closely with the product managers and understanding requirements, design, documentation of class diagrams, implementing and unit testing