Experience

GBST

• Australia
• IT Services and IT Consulting
• 300 - 400 Employee

• Senior Developer

  • Apr 2018 - Present

  The job role at GBST is about complete product ownership of code, even for performance solutions. Therefore it includes Performance Engineering on the existing monolithic business code, Java/Spring development for a new microservices based application, and DevOps engineering to support performance and Dev environments. The main responsibilities involved were, - Continually improve performance and procedures for CI/CD build pipelines on Bitbucket and Jenkins. - Build, and maintain container based cloud infrastructure for Performance (Pre Production), FIT and Dev environments using Docker swarm, Kubernetes, Helm on AWS instances. - Develop and maintain monitoring solutions for Application Monitoring using App Dynamics, New Relics. - Build Visualization and tracing solution using ElasticSearch-Fluentd-Kibana (EFK), an alternative to ELK. - Collect performance insights and data analytics for business decision making and proposals on storage and computational requirements. - Optimize build and deployment stages, and make development/QA process more streamlined for productivity. - Improve application performance using SQL optimizations and java code profiling - Participate in ongoing design, implementation, and maintenance of systems and tools across cloud stack. - Full stack development with Spring Boot based application, JSON API specification, Hibernate persistence, and Tomcat based standalone servers. - Design, develop and maintain JSON Web Token (JWT), based server for authentication and authorization. - Limited exposure to development on Single Page Webpage application in Ember/ReactJS frameworks, with emphasis on tuning for performance. Show less



Westpac

• Australia
• Banking
• 700 & Above Employee

• Manager - System Volume Processing

  • Sep 2017 - Mar 2018

  In a contracting role, the role responsibility included mainly, handling system and volume testing and tuning objectives in an agile-based environment, for multiple projects with high volume processing requirements. The technologies involved were Informatica as ETL solution and data warehousing solution based on Teradata. A major milestone during the tenure was the successful migration to Teradata 14, with the System Volume Processing team drove the testing and tuning efforts on Informatica and Teradata. Show less



Oracle

• United States
• IT Services and IT Consulting
• 700 & Above Employee

• Specialist in Fusion Apps Performance ( Designation: Principal Member Technical Staff)

  • Dec 2013 - Sep 2017

  Handling performance, scalability and Reliability of cloud installations of Oracle Fusion Apps, an ERP solution based on Oracle Fusion Middleware, Weblogic and Oracle database. Handle performance lab that contain installing, configuration of oracle fusion middleware with Oracle identity manager suite ( OID/OUD/OVD ) , Oracle SOA/BPEL/BPM, Oracle Content Manager ( UCM ), and business vertical HCM, CRM and FIN solutions.

• Lead Engineer, Fusion Apps Performance

  • Oct 2011 - Dec 2013

  Performance/Scalability/Reliability (PSR) team of Oracle Fusion Apps product, handling Customer issues on Cloud and other platform solutions.



Cognizant

• United States
• IT Services and IT Consulting
• 700 & Above Employee

• Associate

  • Oct 2010 - Sep 2011

  Consultant specialized in Java Performance Tuning and NFRs; as part of the Performance, Architecture, Consulting and Engineering (PACE) team. Consultant specialized in Java Performance Tuning and NFRs; as part of the Performance, Architecture, Consulting and Engineering (PACE) team.



IBS Software

• Singapore
• Software Development
• 700 & Above Employee

• Team Leader - Performance Testing and Tuning

  • Apr 2005 - Apr 2010

  Part of the Performance team under Application Architecture Team including responsibilities on NFR architect and Middleware Support Engineer Part of the Performance team under Application Architecture Team including responsibilities on NFR architect and Middleware Support Engineer