• Created a scalable data retrieval service providing by REST API using Spring boot, JSON and Spring framework.

• Developed base code frame works / Flow, Business Layer, DB layer and common components using Java 8, Spring, Open JPA and Rabbit MQ.

• Created/Design Ingestion service, caching layer and blob store component to store ingestion data.

• Design and develop Optaplanner based resource planning solution.

• Responsible for identifying performance bottle-necks using new Relic and

optimized the DB tables, indexes and query.

• Responsible for improving application scalability by implementing asynchronous

processing, multi-threaded / Concurrency components design, bulk ingestion,

caching and parallel processing.

• Created user authentication/Authorization service using UAA and SSO.

• Worked on Spring Quartz functionality for resource scheduling task.

• Responsible for creating design document, architecture, class and flow diagrams.

• Trouble shoot application production, scalable and performance issues.

• Responsible for evaluating open source frameworks, third party service and

predix service with application development.

• Responsible for design and code review.

• Developed/Designed couple of POC and converted to production ready

application.

• Involved product requirement discussion and groom story discussion. Provided

direction and support to product and development teams to ensure alignment of

functionality with vendor’s specification and requirements.

• Mentor junior team members.

• Design and developed base frame work, Web Layer, Authentication, Service and DB Layer.

• Created caching layer to improve performance using memcache.

• Designed and developed REST API for catalog search, bookshelf and reader

module using Jersey frameworks.

• Developed concurrency components to scale and improve the performance for

the application.

• Design and developed UI layout using HTML, CSS, Java Script, Ajax, Angular JS and

JQuery.

• Developed common library, directives and services using JS, Angular JS.

• Responsible for creating design document, UML diagrams, design and code

review.

• Coordinated development and QA team.

• Participate in SCRUM, backlog grooming and spring planning.

• Responsible for application setup across in QA, UAT and Prod environments.

• Troubleshoot application performance and production issues.

• Design the DB model and created stored procedure, trigger using PL/SLQ.

• Write unit and integration testing using Junit and TetsNG.

Responsible for Design and Development of S&N redesign project.

Developed base RESTful services design, business and DAO layer using spring.

Developed base framework code for Statement (PDF/Excel/CSV and EDI) creation.

Developed the web components base layer.

Coordinated Development team and QA resources.