Summary
Overview
Work History
Education
Skills
Timeline
Generic

Poornima Balakrishnan

The Rocks,NSW

Summary

Dynamic Senior JAVA Lead with 17 years of comprehensive IT experience, specializing in JAVA/J2EE application development for over 12 years. Proficient in Spring and Spring Boot frameworks, with extensive expertise in Java 8 and Hibernate, and a solid background in RESTful web services. Strong knowledge of Object-Oriented Programming (OOP) and design principles, with exposure to Microservices and ReactJS concepts. Proven ability to collaborate effectively with global clients across diverse regions, along with excellent analytical, problem-solving, and organizational skills within Agile and Waterfall SDLC methodologies.

Overview

18
18
years of professional experience

Work History

API Development Lead

Westpac
10.2021 - Current
  • Westpac’s Customer Establishment system is a web-based application that allows for view and modifying of customer details.
  • Branches and Customer Contact Centre will create customers and business profiles and account information. This will then allow for Collections to modify or view this information. Identification and Verification of customers will also be done via this system.
  • Leading an API team in building and maintaining Java-based banking applications for customer and account creation.
  • Driving design and implementation of scalable, secure, and high-performance solutions for Westpac and St. George branches.
  • Managing end-to-end development, including requirement analysis, architecture design, coding, and deployment.
  • Ensuring seamless integration with core banking systems while maintaining compliance with financial regulations.
  • Optimizing performance, enhancing security, and streamlining workflows to improve branch efficiency and customer experience.
  • Collaborating with cross-functional teams, including business analysts, testers, and DevOps, to deliver high-quality software solutions
  • Improved code quality, incorporating thorough unit testing and peer code reviews into the development process.

API Developer

TPG
02.2021 - 09.2021
  • My primary role in as an API Developer was to design and develop RESTful APIs and being part of a team to deliver high-quality, scalable, and secure APIs.
  • Designed, developed, and tested RESTful APIs for a variety of internal and external applications.
  • Worked with a team of developers to implement API security and authentication.
  • Documented APIs using Swagger.
  • Optimized API performance using caching and CDNs.
  • Deployed APIs to AWS Lambda and Amazon API Gateway.
  • Key Responsibilities
  • Collaborated with cross-functional teams to ensure seamless integration of new features.
  • Adapted quickly to new technologies and programming languages, enhancing overall team productivity.
  • Documented software development methodologies in technical manuals to be used by IT personnel in future projects.

Operations Specialist

Commonwealth Bank
06.2020 - 01.2021
  • My role is to enhance existing features, maintain production code, fix bugs, analyse data for the Micro services Platform API/Kafka Streamers which provides integration between various channels of the bank.
  • Requirements gathering, Conceptual Design, Analysis, Detail Design, Development, System Testing, User Acceptance Testing, Data Validation, Version Controlling and deployment for enhancements and bug fixes.
  • Fixing the production issues which are tagged to Releases. Resolving critical and escalated issues during production outages by hosting triage calls.
  • Analyse, manage and coordinate new technology releases with the team, working closely with business partners to ensure timely completion of releases.
  • End-end incident tracking and client follow-ups using JIRA as issue tracking tool.
  • Attend sprint planning, provide estimation for development tasks.
  • Key responsibilities
  • Achievements
  • Developed knowledge base to support the Apache KAFKA streamers.

Senior JAVA/J2EE Developer

Bank of America (Infosys Ltd)
12.2014 - 06.2020
  • Bank of America’s POE system includes new acquisition pricing and promotions setup, affinity group maintenance and the setup and tracking of marketing campaigns and product offerings.
  • Worked on this position from various locations including 3+ years at client site in Newark, DE, USA and 2 years at offshore (Chennai, India)
  • Requirements gathering, Conceptual Design, Analysis, Detail Design, Development, System Testing, User Acceptance Testing, Data Validation, Version Controlling and deployment.
  • Extensive experience in design, development and implementation of Model - View-Controller frame works using Struts and Spring MVC.
  • Used GIT, Tortoise SVN as Source Control Tool.
  • Worked with ANT, MAVEN for configuration management and JENKINS, Octopus for continuous build automation.
  • Develop RESTful / SOAP web services to provide services
  • Work with SQL Server, DB2 and Oracle Databases.
  • Key responsibilities

JAVA/J2EE Developer

Pfizer Inc (Infosys Ltd)
11.2012 - 11.2014
  • The RightTrack II is a Java/J2EE - Oracle based application where Clinical Trial data is captured and maintained. Worked at the client site in Groton, CT, USA
  • Designed and developed Web Services to provide services to the various clients using SOAP and WSDL.
  • Experience in Web Services development using Apache-Axis, JAXB and Security architecture for maintaining security levels for business process
  • Involved in transforming XML data in to Java Objects using a JAXB binding tool.
  • Responsible for debugging, testing, maintaining and deploying the application.
  • Deployed flow of execution in the Servlet environment using JSF and defined navigation rules
  • Integrated various modules and deployed them in WebSphere Application Server
  • Does the root-cause analysis for the tickets raised and identified immediate solutions so as not to impact the business, as well as focused on making the permanent fix for the problem areas identified.
  • Key responsibilities

JAVA/J2EE Developer

Infosys Limited
07.2007 - 10.2012
  • This summarizes various projects that I worked as a developer on behalf of Infosys Limited for its various clients including Verizon Communications – USA, Infosys Limited (In-house project), Frontier Communication – USA.
  • Design new features based on user requirements.
  • Develop user features for web apps using Java/J2EE, Struts.
  • Develop PL/SQL scripts for database jobs.
  • Migrate legacy applications to newer platform.
  • Migrate legacy web pages to web2.0.
  • Develop front end features using JavaScript, HTML/CSS.
  • Design & develop prototype UI using HTML/CSS.
  • Develop and maintain an entire module for a catalogue system using RESTful web services.
  • Develop and maintain stubs for unit/integration testing.
  • Production support for Telecom Ordering System based on Java.
  • Lead a team of 5 members.
  • Key responsibilities

Education

Bachelor of Engineering - Electrical & Electronics

Anna University
Chennai
01.2007

Skills

  • Java EE development
  • Proficient in Spring Core and MVC
  • Spring Boot application design
  • Web services integration expertise
  • Java Hibernate framework
  • Proficient in JSP, HTML, and CSS
  • Oracle database proficiency
  • AWS cloud services
  • Implementing RESTful web services
  • Splunk expertise
  • Postman and SoapUI expertise
  • Maven and Gradle integration
  • Agile project management

Timeline

API Development Lead

Westpac
10.2021 - Current

API Developer

TPG
02.2021 - 09.2021

Operations Specialist

Commonwealth Bank
06.2020 - 01.2021

Senior JAVA/J2EE Developer

Bank of America (Infosys Ltd)
12.2014 - 06.2020

JAVA/J2EE Developer

Pfizer Inc (Infosys Ltd)
11.2012 - 11.2014

JAVA/J2EE Developer

Infosys Limited
07.2007 - 10.2012

Bachelor of Engineering - Electrical & Electronics

Anna University

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Poornima Balakrishnan