Narendar Teegala

Experienced Java/J2EE developer with expertise in Spring Framework, Agile (Scrum) methodologies, and big data technologies such as Apache Spark and Flink. Skilled in implementing SSO using Spring Security and working with messaging systems such as Apache Kafka and RabbitMQ. Hands-on experience in integrating Spring Boot applications with AWS services and deploying them on AWS Elastic Beanstalk.

• Project- Data Studio is a unified data integration platform (ETL) that integrates seamlessly with modern data lake and data warehousing environments
• Cloud Sync loads data into the cloud, which is designed exclusively for the cloud
• Responsibilities:
• Involved in different phases of SDLC Life Cycle for web applications development
• Redesigned the Legacy application into cloud-based Spring Boot Application
• Designed and developed modules using Java, Spring, Hibernate, and supporting the user interface
• Involved in the requirement gathering, analyzing functional documents of the different types of databases to extract and load the data through data connectors using JDBC and respective utilities
• Developed and implemented custom connectors to source and target systems
• Implemented various data transformations using Java and Hadoop MapReduce
• Developed and maintained various ETL workflows and jobs using Diyotta's ETL tool
• Involved in performance tuning of ETL processes and worked on data quality and error handling
• Implemented security features such as data encryption and SSO in ETL processes
• Designed and developed Restful APIs for different modules in the project as per the requirement
• Worked with different databases like PostgreSQL, Oracle SQL, MySQL, and used H2 database at the development state of the application
• Experience in using GIT as version control and Rally as a Bug tracking tool
• Environment: Agile Methodology, Java1.8, J2EE, HTML5, JavaScript, Hibernate, Spring MVC, Spring IOC, Spring boot, Spring Security, ETL, Data Studio, OAuth 2.0, XML, GIT, JUnit, Maven, Apache Tomcat, Restful, Micro Services, REST APIs, Log4J, PostgreSQL, Oracle, Mockito, SQL, Rally, RabbitMQ, Jenkins, Docker, and IntelliJ.

• Wings - a core banking product for cooperative banks in India
• Responsibilities:
• Gathered requirements, analyzed functional documents and workflows, designed prototypes, and provided hotfixes
• Used J2EE design patterns (DTO, DAO, Singleton, Factory) with Hibernate ORM
• Implemented Service and DAO layers, used JDBC for querying data from the database
• Created web pages using JSP, Java Script, and Java action classes in Struts framework
• Developed functions and procedures for data management and daily processes in the application
• Participated in project scrum meetings, grooming, client calls, and acted as a point of contact for developed functionalities
• Created database connections with Hibernate Session Factory.