About

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• Licenses & certifications
• Courses
• IEEE Research publications

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Licenses & certifications

Name	Association	Credentials	Issued Date
AWS Certified Developer – Associate	AWS	pdf	30/04/2022
AWS Certified Solutions Architect – Associate	AWS	pdf	02/08/2021
AWS Certified Developer – Associate	AWS	pdf	29/05/2017
Sun Certified Java Programmer Java 6	Sun Microsystems	pdf	2009
Chartered IT Professional	The British Computer Society	jpg	01/05/2004

Courses

Course	Association	Credentials	Issued Date
Data Engineering on AWS - A Data Lake Solution (Includes Labs)	AWS	pdf	12/03/2025
Developing Generative Artificial Intelligence Solutions	AWS	pdf	05/02/2025
Amazon Bedrock Getting Started - Amazon Bedrock Getting Started	AWS	pdf	04/02/2025
Essentials of Prompt Engineering	AWS	pdf	04/02/2025
Exploring Artificial Intelligence Use Cases and Applications	AWS	pdf	03/02/2025
Knowledge Check: Get Started with Databricks for Data Engineering	Databricks	pdf	21/01/2025
Fundamentals of Machine Learning and Artificial Intelligence	AWS	pdf	01/01/2025
Getting Started with AWS Control Tower	AWS	pdf	28/01/2024
AWS Technical Essentials	AWS	pdf	07/11/2023
Introduction to Amazon Athena	AWS	pdf	16/10/2023
AWS Hadoop Fundamentals	AWS	pdf	11/09/2023
Introduction to Amazon Kinesis Streams	AWS	pdf	09/09/2023
Advanced CloudFormation: Macros	AWS	pdf	10/07/2023
Getting Started with AWS CloudFormation	AWS	pdf	10/07/2023
Deep Dive into Concepts and Tools for Analyzing Streaming Data on AWS	AWS	pdf	10/09/2023
Amazon DynamoDB – Architecture and Features	AWS	pdf	29/06/2023
AWS Certified Solutions Architect - Professional (Advanced Architecturing on AWS)	AWS	pdf	05/06/2023
Amazon QuickSight - Getting Started	AWS	pdf	14/04/2023
Best Practices for Data Warehousing with Amazon Redshift	AWS	pdf	09/03/2023
Introduction to Amazon Kinesis Analytics	AWS	pdf	15/05/2022
Introduction to Amazon Quicksight	AWS	pdf	22/08/2022
Introduction to Amazon Kinesis Data Analytics for Java Applications	AWS	pdf	15/05/2022
AWS Glue Getting Started	AWS	pdf	15/05/2022
AWS Certification Official Practice Question Sets (English)	AWS	pdf	28/04/2022
Introduction to AWS Elastic Beanstalk		pdf	02/04/2022
Introduction to Designing Data Lakes on AWS	AWS	Coursera	06/2021
Building Modern Java Applications on AWS	AWS	Coursera	03/2021
Building Containerized Applications on AWS	AWS	Coursera	06/2020
CS120x: Distributed Machine Learning with Apache Spark	Berkeley University	edx	08/2016
edX Verified Certificate for Introduction to Apache Spark	Berkeley University	edx	06/2016
Functional Programming Principles in Scala	EPFL	Coursera	07/2016
Introduction to Recommender Systems	University of Minnesota	Coursera	10/2015

IEEE Research publications

• Conference: IEEE ICIIS 2007 Ojitha Kumanayaka and Nalin Ranasinghe. Formalism for ontology validation. In IEEE Second International Conference on Industrial and Information Systems. Faculty of Engineering, University of Peradeniya, August 2007.

• Conference: IEEE ICIA 2006 Ojitha Kumanayaka and Nalin Ranasinghe. Ontology-based web service personalisation. In IEEE Second International Conference on Information and Automation 2006, Galadari Hotel and Colombo and Sri Lanka, December 2006. IEEE Sri Lanka Section.

• Conference: IEEE ICIIS 2006 Ojitha Kumanayaka and Nalin Ranasinghe. Personalised web services creation via dynamic composition. In IEEE First International Conference on Industrial and Information Systems. Faculty of Engineering, University of Peradeniya, August 2006.