May 2021 – Apr 2022 · 11 mos · Chennai, Tamil Nadu, India

• Manage two platform work streams with 4 to 5 engineers in each team for Lifion , that are part of core foundational features of the platform.
• Microservices are based of Nodejs designed for SAAS using multi tenant architecture hosted in AWS with EKS and use a host of managed AWS Services like Aurora MySQL, Elasticache Redis, SQS and Kinesis. CI-CD stack involve Jenkins, Terraform and Helm charts while Observability and Monitoring stack involves Kibana, Data Dog and Pager Duty.
• These microservices are highly scalable and serves monthly traffic of around 200 million requests with ultra low latency of 30 to 70 ms. Teams provide round the call 24X7 support for addressing mission critical issues.
• My roles and responsibilities involves 1-1 with engineers for performance and career management, Daily Stand ups, Design and Code Reviews, Sprint Planning, Story Grooming, Sprint Retrospectives, Quarterly Road Map Planning along with Product Manager, Managing and Prioritising Tech Debts, Manage collaboration with other teams within the platform and Stakeholder Management

May 2020 – Present · 5 yrs 11 mos · Chennai, Tamil Nadu, India

• I write about content in the intersection of Tech, Programming , Productivity and Leadership at dinakaran.dev

Oct 2017 – May 2021 · 3 yrs 7 mos

• Architecting and Implementing Front end web content management for Content Publishing , Marketing and rendering dynamic rich user experience using angular web applications, evolving solution as platform to be used for various brands of e-commerce retailer
• Requirements Gathering , Architecture Workshop , NFR and UX discussions, Integrating with a headless back end commerce system , Search Engine Optimization , AKAMAI integration for CDN cache , targeting content based on device screen sizes , serving author-able dynamic web content for mobile apps
• Design and Implementation of Back end RESTFUL web services to be used by variety of front end applications like Web applications, mobile apps , 3rd party sites using AWS Serverless stack of API Gateway, Lambda , Dynamo DB , Aurora MySQL , SNS , SQS , SES, Cloud Watch and host of different components. Design could support scaling for different markets with infrastructure deployed into multiple regions . Proficient with CI-CD pipeline systems implemented using Jenkins and Terraform

Dec 2013 – Oct 2017 · 3 yrs 10 mos

• Design and Implementation of Web Content Management Systems using IBM Websphere Portal , search implementation using content and web crawling
• Re-engineering EJB middle tier into a REST based web services to be consumed via front end applications as JSON
• Integrating java code with Database Functions , Stored Procedures in Oracle Database and exposure to database triggers and external back end system integration

Jul 2013 – Nov 2013 · 4 mos

• Design and Implementation of web applications solutions using WebSphere Portal server, WebSphere Portlet Factory,Java/J2EE and other web technologies like Ajax, JQuery-JSON, Web services
• Integrating the SOAP based web services with the back end IBM ESB implementation
• Part of Platform team that supports roll out of common features supporting multiple countries with focus on re-factoring / re-use , feature flags implementation at country level

Nov 2011 – Jun 2013 · 1 yr 7 mos

• Designing and Creating re-usable components that could be used for building CRUD applications using WebSphere Portlet Factory
• Implementing a notification system in the dashboard for logged-in user to know the status of various approvals pending by integrating with back end SOAP based web services

Jul 2009 – Nov 2011 · 2 yrs 4 mos · Chennai, Tamil Nadu

• Managing and Supporting consumer facing web applications built over disparate technologies like WebSphere Portal/ Application Servers in the front end using Struts and Spring Framework , XSLT transformation, FAST Enterprise Search , Documentum WebPublisher Content Management and integration with back end legacy apps

Jul 2006 – Jul 2009 · 3 yrs · Chennai, Tamil Nadu

• Development of Java/J2EE applications using Struts, JSF and Spring in IBM Stack of WebSphere Application server and Portal server
• SOAP based web services development - both provider and consumer , JDBC with IBM and Oracle relational databases
• Detailed Design using UML modelling tools like IBM RSA for class and sequence diagrams and back end Data Modelling and table schema definition
• Building of small portlets ( widgets ) in WebSphere Portal , branding and designing themes for departments , implementing role based access portal, SSO integration with tools like Tivoli Site Minder etc