Manager Digital Marketing

Manoj Dilshan Gunawardena

https://www.linkedin.com/in/manoj-gunawardena-187b6726

Apt#A03, 865 Bellevue Road Nashville, TN 37221 USA.

Email -: adkdc5@r.postjobfree.com

Mobile -: +1-612-***-****

Profile

J2EE Technical Lead and an integration specialist. Having more than 17 years of experience on open source technologies, J2EE, web technologies, service-oriented architecture (SOA) and system integrations. Working as a customer success associate and technical account manager with some of the Fortune 1000 global enterprises in the USA. Have Worked and delivered enterprise software products and system integrations by leading software engineering teams.

Willing to relocate: Anywhere in USA.

H1B Sponsorship required to work in the USA.

Professional Summary

17+ years’ experience in software design and development.

17+ years’ experience in Java, OSGI, Hibernate, SPRING, STRUTS and JAX-RS.

Proven records of leading middle to large software engineering teams.

5+ years’ experience in solution architecting.

5+ years’ experience in working as customer success associate and guide enterprises to expand their digital transformation.

10+ years of experience of implementing Microservices. SOA based integrations using WSO2 and Sonic ESB, and JMS message queues.

Deep understanding on java profiling and performance fine tuning of J2EE applications, analyze thread and heap dumps, JFR dumps, troubleshooting and identifying memory leaks.

Deep understanding on Identity patterns and integration patterns.

Deep understanding on WSO2 Middleware platform and its deployment patterns.

Deep understanding on REST, SOAP, OAUTH2, SAML and ws-security.

Technical Skills

Programming Languages

Java, Java Script, C++

WSO2 Middleware

WSO2 Enterprise Service Bus, WSO2 Enterprise Integrator, WSO2 API Manager, WSO2 Stream Integrator and Stream Processor, WSO2 DAS and APIM Analytics, WSO2 Identity server.

Other Middleware

JBoss, Sonic ESB

Reliable Messaging Tools

ActiveMQ, IBMMQ, RabbitMQ, Kafka

J2EE Technologies

Spring, SPRINGBOOT Microservices,EJB, Hibernate, Struts, OSGI

Build Technologies

Maven, Ant

Other Java technologies

JDBC, Servlets, JSP, Apache Tomcat, Apache CXF, JAX-WS, JAX-RS

Transforming Technologies

SOAP, XSLT,XML, REST

Business Process Technologies

BPEL. BPMN

Security and Authorization Frameworks

OAUTH2, OPENID,SAML, XACML

Testing and Performance Analyzers

Jmeter, SoapUI, Postman, Jconsole, Eclipse MAT

Databases

MS SQL, MySQL, PostgreSQL, Oracle,DB2

IDE’s

Intellij Idea, Eclipse, WSO2 Integration Studio, SSH, Putty

Versioning Tools

Github, svn, cvs

Dev Ops Technologies

Puppet

Other Tools

JIRA, Confluence

Work Experience

Senior Technology Specialist, Technical Account Manager.

WSO2 Inc – USA July 2018 to Present.

FHIR API Eco System for HCA Healthcare, USA.

Play the roles of on-site solution architect, technical account manager and provide technical guidance and on-site development support to implement and convert microservices to FHIR compliance API ecosystems with WSO2 API Manager, WSO2 Micro Integrator and WSO2 Identity server. Design FHIR APIs, integrate FHIR APIs and implement FHIR bundle resources, perform data validation and authorize data using XACML policies.

Real time complex event analytics platform for HCA Healthcare, USA.

Play the roles of solution architect, technical account manager, and guide, provide on-site development support on WSO2 DAS and WSO2 Siddhi to implement a highly available, distributed real-time event analytics platform. Integrate Kafka with WSO2 DAS, reads high volume of data streams and analyze complex event occurrences using Siddhi event analytics language.

Pharmacy Claim Transform pipeline for Prime Therapeutics Health Information Management provider in USA.

Played an active role as a member of software engineering team to extract, transform and load pharmacy claim data from various data sources and route to back end systems using WSO2 ESB. Integrate WSO2 ESB with IBM MQ and Apache Flume. Develop APIs to read data from HBASE big data platform, authenticate WSO2 ESB API calls with kerberose security.

Worked on performance testing, java profiling and JVM fine-tuning to optimize performance, capacity planning and deployment architecture to enhance performance and hardening the security.

Data Sharing API services for Prime Therapeutics Health Information Management provider in USA.

Played an active role as a member of software engineering team to implement service oriented architecture based REST and SOAP based APIs, service to extract, transform and load data from various data sources and share to external partners. The inbound data transformed into organization's canonical format and outbound data transform to client's specific format and wise versa using WSO2 ESB.

Load data from legacy systems, decrypt and transformed into JASON, SOAP and plain XML formats using WSO2 ESB.

Upgrade WSO2 API Manager Production system at Hilton USA

Provided on-site consultancy to upgrade WSO2 API Manager. The high volume of API traffic handle by the system. Lead a software engineering team, and plan performance and load tests, worked on java profiling, JVM fine tuning, deployment architecture and plan the migration with blue-green pattern to ensure zero downtime.

Integration Framework for BNY Mellon asset Management Company in USA.

Played the role of architect and tech lead and implemented a dynamic integration framework using WSO2 ESB, Synapse. The integration framework includes inbound endpoint templates, data extraction templates and routing endpoint templates and on boarding tools. Whenever need to integrate new partner, the integration flow required for the partner will implement and deploy using on-boarding tools and templates. The endpoints and other partner specific attributes will inject at the on-boarding time.

Advertising platform on WSO2 Technologies for Xandr AT&T in USA.

Lead a quick start program to introduce the WSO2 API Manager to implement REST APIs and introduce the WSO2 identity server to secure APIs using OAUTH2 grant types. Provided solution architecture consultations to implement single sign-on for web and mobile clients with OAUTH2-OpenId connect.

Implement WSO2 API traffic manager and throttling policies to prevent attacks and whitelist APIs which usage is high.

Pre-sales and customer success activities globally.

Working as customer success associate, technical account manager and involved design and implement proof of concepts, lead quick start programs, providing solution architect consultations, provide on-site and off-site consultancy in USA and outside USA.

Technology Specialist

WSO2 Inc - USA October 2016 to July 2018

API solution for Digital and Mobile Banking for Commonwealth Bank of Vietnam.

Implemented an API ecosystem for transfer high volume of data between mobile, web and Kiosk clients.

Designed and developed WSO2 API Manager, Identity server extensions to fill the gap between out of the box support features and the project requirements. Customize OAUTH2 flow, OUTH2 token generation mechanism by extending the WSO2 Identity Server and API Manager.

Design deployment architecture to handle a high API traffic volume with high availability and scalability. Work on best practices and hardening the security of the deployment,. Work API Gateway and Key Manager cluster's capacity planning to ensure high availability, expected latency, TPS.

Implement APIM Analytics cluster to collect API statistics and implemented throttling mechanisms with WSO2 APIM Traffic Manager.

State Machine solution for Commonwealth Bank of Vietnam.

Design and Implement state machine solution to trace business activities such as load applications, account opening applications etc, using WSO2 enterprise integrator and BPMN.

High available, containerized and scalable API cluster for ThingSpace – Verizon, USA.

Customize and convert WSO2 API Manager, WSO2 Identity Server to install in Docker containers using java, OSGI and puppet. Implement a clustering mechanism and implement high available, scalable APIM and Identity Server cluster on apache mesos and marathon based DC/OS.

Cloud based solution to new road management system for Transport for London United Kingdom.

Worked as an active member of a team of software engineers, to design, implement web-based, cloud-hosted road and transport management suite of applications relies on WSO2’s API Management, integration, identity and access management, and analytics products. Implement integrations with various systems, SPRING based microservices, SOAP services, and SAML based user authentication mechanisms, LDAP integration.

Training Programs for WSO2 customers.

Successfully conducted the many training programs globally, for WSO2 users on API management, identity and access management, system integrations using WSO2 products and technologies.

Tech Lead

WSO2 Inc - Colombo Sri Lanka May 2014 to October 2016

WSO2 IOT Server (Previously known as WSO2 Enterprise Mobile Management Server).

Played a tech lead, architect role and build a comprehensive platform that helps enterprises manage corporate-owned (COPE) and bring your own devices (BYOD).

Lead design discussions, prepare a product road map and lead the software engineering team to implement features. Mainly involved implement of device plugin registration mechanisms with OSGI, JAX-RS based microservices to communicate devices with IOT server, user management functionality, unit testing using TestNG and JDBC based data access layer.

WSO2 Enterprise Store.

Played a tech lead role design, implemented a fully federated enterprise digital asset management system.

That helps enterprises to manage their digital assets with governance, manage subscriptions, and manage life cycles and digital authorization assets.

Tech Lead

Digital City Central (Full Subsidiary of CellCIty (pvt) Ltd - Singapore April 2013 to April 2014.

Digital marketing and loyalty management system for Coffee Bean & Tea Leaf Singapore.

Played a software architect, tech lead role and implemented a digital marketing and loyalty management system for Coffee Bean & Tea Leaf Singapore. Lead the software engineers, own the responsibility of choosing technology stack, implemented software development framework based on SPRING and STRUTS and geared requirement gathering and customer coordination. Implemented microservices using Spring, implemented OAUTH2 server using spring OAUTH2 package, implemented data access layer using hibernate.

Tech Lead

Just In time Holdings (https://www.jithpl.com) - Colombo, Sri Lanka November 2010 to August 2012.

Platform for IT, service providers, to automate business flows.

Played the role of a software architect, tech lead and implemented a platform for IT, service providers, to automate business flows with BPEL based workflows, dynamic data capture screens and dynamic data modelling. Implemented microservices using java SPRING, HIBERNATE and JBOSS. Using this platform business process modeler has the capability to business process modeler to design workflow, dynamically build data capture screens for workflow points and define the dynamic data model for those data capture screens.

Software Architect

Kingslake Engineering Systems (pvt) Ltd (https://www.kingslake.com/) - Colombo, Sri Lanka February 2009 to November 2010.

Design and implemented an end-to-end file, data delivery system by integrating systems and file delivery using SONIC ESB for the apparel industry.

Played the role of architect, tech lead and finalized requirements, co-ordinate customer, design and develop a microservices based customer management portal for SBL (TVS Group) India. Used java, SPRING and HIBERNATE technologies.

Senior Software Engineer

Affno (pvt) Ltd (https://affno.com) - Colombo, Sri Lanka June 2006 to February 2009.

Played the role of product lead and implemented a document management system with capability of content extraction, phonetic and content search capability, manage user authorization for documents, governance documents and manage the lifecycle of documents.

An active member of the implementation of workflow automation solutions to the e-government program in Sri Lanka. The workflow and office automation solutions deployed in leading government institutes and ministries Sri Lanka.

Software Engineer

E-Technology Solutions (pvt) Ltd - Colombo, Sri Lanka December 2003 to June 2006 Sri Lanka. (Fully subsidiary of Rezgateway Inc. USA- https://www.rezgateway.com)

Active member of implementing of hotel reservation system for Las Vegas based hotel room inventory distributers.

Academic Qualifications

Bachelor's in Management Information Systems

University college of Dublin - Colombo Sri Lanka September 1999 to January 2004.

Higher Diploma in computer based information systems.

National Institute of Business Management Sri Lanka - Colombo January 2002 to January 2003.

Diploma in Computer Based Information Systems.

National Institute of Business Management Sri Lanka September 1999 to October 2000.

Certificate Course in Database Management Training in Oracle 8i.

Singapore Informatics Computer Institute, Colombo, Sri Lanka.

Professional Discussions Forums

Architectural Mailing Group.

WSO2 Architecture Group

Developer Mailing Group.

WSO2 Developer Mailing Group

Blog Posts

Authorizing and Authenticating FHIR APIs with WSO2 IAM.

http://manojgunawardenawso2.blogspot.com/2019/08/authorizing-and-authenticating-fhir.html

Authentication, Identification and Authorization with WSO2 Identity Server.

http://manojgunawardenawso2.blogspot.com/2019/07/authentication-identification-and.html

Test WSDL and SWAGGER Resources in WSO2 Governance Registry with ReadyAPI.

https://manojgunawardenawso2.blogspot.com/2016/09/test-wsdl-and-swagger-resources.html

Implement WSO2 APIM Cluster with mesos and Docker.

https://manojgunawardenawso2.blogspot.com/2016/09/implement-wso2-apim-cluster-with-docker.html

Contribution to WSO2 Repositories

WSO2 Enterprise Store in github

https://github.com/manojgunayadev/product-es/commits?author=manojgunayadev

WSO2 Carbon-Store in github

https://github.com/manojgunayadev/carbon-store/commits?author=manojgunayadev

WSO2 Connectivity Device Management in github

https://github.com/manojgunayadev/product-cdm/commits?author=manojgunayadev

WSO2 Product-MDM in github

https://github.com/manojgunayadev/product-mdm/commits?author=manojgunayadev

References:

1. Name: Tariq Cassim

Designation: CEO, KNOD Singapore

Email: adkdc5@r.postjobfree.com

Phone: +65 9100 9564

LinkedIn: linkedin.com/in/tariq-cassim-9056819

2. Name: Laslo Pastor

Designation: Associate Director, WSO2 Inc

Email: adkdc5@r.postjobfree.com

Phone: +1-650-***-**** (O)

+1-346-***-**** (M), +1-281-***-**** (M)

LinkedIn: linkedin.com/in/pastorlaslo

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