PROFESSIONAL SUMMARY:

• Experienced Java developer and test engineer with over 7 years of experience
• Experience in modern big data technologies and tools
• Experience in stream processing with Apache Storm
• Experience in data aggregation and search using Elastic Search
• Experience with RabbitMQ as a messaging tool
• Working knowledge in microservices development and architecture
• Experience in Sprig Boot and Docker in the context of micro - services development
• Experience in distributed No-SQL databases - Cassandra and MongoDb
• Experience in performance analysis and testing of microservices
• Experience in performance analysis and testing of distributed big data processing components
• Experience in setting up Application Metrics dashboards using tools such as elastic-search, Kibana and Grafana
• Experience in implementing custom performance test tools leveraging java multi-threading
• Experience in identifying performance bottlenecks in distributed modern applications
• Experience and interest in Fraud Detection, Brand protection, and anti-piracy domains
• Experience in debugging and troubleshooting complex backend components
• Experience in building modern API test framework with Java/TestNg
• Familiar with Mesos and Marathon as cluster management and container orchestration tools, respectively
• Experience working in cloud(AWS) as well as data center settings
• Familiar with data aggregation using Spark
• Familiar with Spark streaming
• Familiar with Artificial Intelligence(AI) and Machine learning(ML) Fundamentals
• Knowledge in API security
• Solid experience in object oriented design and test driven development
• Experience in Java 8 features
• Experience working in fast-paced agile, startup-like environments

Environment: Java 8, Cassandra Mongo, Elastic Search, Apache Storm, Spark, Spring Boot, Docker, Mesos, Marathon, S3, REST API,, TestNg, Junit, Intellij

PROFESSIONAL EXPERIENCE:

Confidential, San Francisco, CA

Principal Software Development Engineer in Test

• Implement Benchmarking and monitoring tools for distributed Apache-Storm based data processing engine
• Analyze and establish performance metrics for stream processing application
• Identify application bottlenecks and recommend improvements
• Develop robust functional and performance test framework for micro-services leveraging Java, Spring boot and Docker.
• Use modern data analytics and visualization tools including elastic search, kibana, Grafana to build efficient application metrics monitors
• Implement data aggregations scripts using elastic search and/or spark in order to evaluate backend services from functional as well as performance point of view.
• Support DevOps and Development teams in debugging and troubleshooting JVM level issues in a distributed application
• Practical knowledge in Java design patterns as well as high level micro-services architecture
• Practical knowledge in distributed No-Sql databases, particularly, Cassandra and MongoDB.
• Practical experience in pros and cons as well as potential pitfalls with Cassandra DB
• Experience in troubleshooting and optimization of data processing with Apache Storm
• Experience in implementation and monitoring of RabbitMQ messaging and Priority Queues
• Experience working in cloud(AWS) as well as data center settings
• Familiar with data aggregation using Spark
• Familiar with Spark streaming
• Familiar with Web Scraping and its challenges
• Familiar with Artificial Intelligence(AI) and Machine learning(ML) Fundamentals
• Knowledge in API security
• Solid experience in object oriented design and test driven development
• Experience in Java 8 features
• Experience working in fast-paced agile, startup-like environments

Environment: Java 8, Cassandra Mongo, Elastic Search, Apache Storm, Spark, Spring Boot, Docker, Mesos, Marathon, S3, REST API,, TestNg, Junit, Intellij

Confidential, San Mateo, CA

Software Development Engineer in Test

• Architect and Implement Automated Test tools for mortgage processing application
• Develop a generic and efficient test tool to validate a wide variety of report formats and sort criteria
• Develop test tools for batch processing and data review processes
• Significantly reduce test cycles by replacing laborious manual tasks with automated processes and tools
• Analyze complex backend business requirements and write pertinent test cases
• Execute integration/system tests and contribute to bug tracking and fixes
• Solid background in object oriented programming
• Familiarity with Artificial Intelligence fundamentals
• Strong experience in design and implementation of automation test tools for backend, API/Service, and presentation layers
• Strong background in Java/J2EE application development and related frameworks such as the Spring framework
• Experience in Spring MVC and Spring REST API development
• Experience in Data Access Layer implementation with Spring-JDBC and Spring-ORM(with Hibernate)
• Experience in complex SQL queries, experience in MySQL and Oracle databases
• Experience in Java/J2EE design patterns including DAO, MVC, Factory, Singleton, Inversion-of-Control(IOC)
• Strong experience in Java, and TestNG in implementing automated test frameworks and scripts
• Strong experience in Java-Selenium Webdriver and Page-Object-Model in implementing end-to-end and UI test frameworks and scripts
• Good knowledge in multi-threading
• Good knowledge in data structures and algorithms and their respective usages
• Familiar with Java Messaging Services(JMS)
• Familiar with SNMP traps
• Good Knowledge in web application bottlenecks and performance tuning
• Able to easily learn new technologies in the software as well as the hardware stack

Environment: Java/J2EE, Spring, Hibernate, log4j, TestNg, Selenium, Windows, UNIX, Apache Tomcat, MySQL, Junit, Maven, Apache ANT, Jenkins, SOAPUI, SVN, eclipse

Confidential, San Francisco, CA

Applications Systems Engineer

• Design and implement automated test framework used across a range of banking application domains
• Apply test framework enhancements to keep up with dynamic test requirements
• Implement automation tools customized to accommodate test requirements Confidential different levels of an application tier - namely, backend, API/Service, and presentation layers
• Oversee best integration test practices within the automation and regression teams whereby ensuring test framework stability, maintainability and reliability
• Leverage on strong Java/J2EE background to quickly grasp architectures of different application domains and hence implement appropriate test tools
• Analyze complex business requirements and write test cases of optimal test coverage
• Experienced in banking application/business domains including Accounts, Payments and Fraud Prevention
• Strong background in Java/J2EE application development and related frameworks such as the Spring framework
• Experience in Spring MVC and Spring REST API development
• Experience in Data Access Layer implementation with Spring-JDBC and Spring-ORM(with Hibernate)
• Experience in complex SQL queries, experience in MySQL and Oracle databases
• Experience in Java/J2EE design patterns including DAO, MVC, Factory, Singleton, Inversion-of-Control(IOC)
• Experience in unit testing of Spring-MVC/REST components across applications layers using Spring test framework and mocking libraries such as Mockito
• Knowledge in Spring Security and Web app authentication/authorization technologies
• Strong knowledge in object oriented design as applied to web application development as well as test framework implementation
• Strong experience in Java, and TestNG in implementing automated test frameworks and scripts
• Strong experience in Java-Selenium Webdriver and Page-Object-Model in implementing end-to-end and UI test frameworks and scripts
• Good knowledge in multi-threading
• Good knowledge in data structures and algorithms and their respective usages
• Good Knowledge in web application bottlenecks and performance tuning
• Able to easily learn new technologies in the software as well as the hardware stack
• Experience in implementing low level codes in Python/Matlab/C++ to interface with physical hardware
• Knowledge in Service Virtualization and its role in enhancing application quality and delivery speed
• Experience in Agile, Shift-left, and Waterfall application development environments
• Experience in continuously integrated automated test environment

Environment: Java/J2EE, Spring, Hibernate, log4j, TestNg, Selenium, Windows, UNIX, Apache Tomcat, MySQL, Junit, Maven, Apache ANT, Jenkins, SOAPUI, SVN, eclipse

Confidential, San Ramon, CA

Java Software Engineer in Test

• Participated in development of API test framework for REST and SOAP web services
• Developed test tools and components for automated validation of backend resources
• Developed test framework for validating UI interactions with service layer resources and the backend
• Wrote TestNg/Junit integration and unit test scripts for validating application components across multi-tiered architecture
• Used Spring Framework for dependency management across beans
• Used Spring MVC test framework and Mockito to run unit tests on REST API components
• Actively involved in bug fixes and defect management
• Used Selenium web driver and page object model for automating UI integrated tests
• Implemented automated test data extraction from ALM database
• Participated in Software Development Life Cycle through Requirement Analysis, Design and test review, and maintenance
• Experience and strong knowledge in Java/J2EE Design Pattern s including MVC, Singleton, Factory, Data Access Object (DAO), Inversion of Control(IOC)
• Experience with object relational mapping and data access implementation with Hibernate
• Working knowledge with continuous integration and build tools: Jenkins, maven, ant
• Good knowledge in data structures and algorithms
• Worked under agile development environment

Environment: Java/J2EE, Spring, Hibernate, log4j, TestNg, Selenium, Windows, UNIX, Apache Tomcat, MySQL, Junit, Maven, Apache ANT, Jenkins, SOAPUI, SVN, eclipse

Confidential, Columbia, MD

Java/J2EE Developer

• Participated in REST API development based on J2EE technologies and spring framework
• Used Spring MVC REST architecture and Jackson library to develop resource request handlers/controllers
• Participated in Software Development Life Cycle through Requirement Analysis, Design implementation, Testing, and maintenance
• Involved in implementations of the business layer, service layer and data access layer components
• Applied Java/J2EE Design Patterns including MVC, Singleton, Factory, Data Access Object (DAO), Inversion of Control (IOC) when appropriate
• Used Hibernate for mapping business layer entities to database
• Wrote HQL queries to store/retrieve data from/to database
• Configured dependency management through Spring IOC container
• Implemented JPA transaction management using Spring and hibernate transaction management
• Wrote Junit tests and verified components using mock and real data
• Wrote Integration test scripts
• Implemented logging and debug features using Spring AOP and log4j
• Used Maven as build, deploy and dependency management tool

Environment: Java/J2EE, Spring MVC REST, Hibernate, log4j, Windows, UNIX, Apache Tomcat, MySQL, Junit, Maven, Apache ANT, Jenkins, SVN, eclipse

Confidential, Owing Mills, MD

Java Test Engineer/developer, Oct 2011 - Mar 2013

• Involved in development, test and maintenance of service oriented online banking web services
• Participated in soap web service implementation
• Followed Spring MVC design pattern, developed domain POJO classes
• Wrote and run Junit test to ensure the quality of different application units
• Participated in bug fixing Confidential various stages of the application development process
• Utilized design patterns including MVC, DAO, Singleton, Factory
• Achieved object relational mapping between business logic and the database using hibernate
• Implemented caching Confidential data access level
• Familiar with implementation of security features using Spring Security framework and OAuth2
• Used Spring aspect oriented programming to apply cross cutting concerns, such as logging across application components.
• Implemented exception handling functionalities

Environment: Java/J2EE, Spring, JAX-WS, Hibernate, log4j, Windows, UNIX, WebLogic, Oracle, Junit, Maven, Apache ANT, Jenkins, SVN, eclipse

Confidential, Owing Mills, MD

Java Test Engineer

• Responsible for test, quality assurance, and maintenance of Spring MVC web application
• Conducted white box testing of controller/web layer methods and backend resources
• Wrote TestNg based unit and integration test scripts to validate the functionality of application components and their interactions.
• Provided support to the development team by developing business layer java classes
• Used Spring- JDBC template to access data from Oracle database
• Wrote and executed various queries to oracle database
• Followed agile development methodologies
• Used Maven for project dependency management

Environment: and Tools: