Hasitha Aravindahttps://hasithaa.github.io/Architect at WSO2. Programming languages, durable workflows and AI agents.Agentic Claim Approval Workflow: An AI Agent That Follows the Policyhttps://www.youtube.com/watch?v=XFb49Koodf8https://www.youtube.com/watch?v=XFb49Koodf8Wed, 21 Oct 2026 00:00:00 +0000An expense-claim workflow where an AI agent applies the policy, asks a person when unsure, and gates the payment.Workflows That Wait for People: Durable Workflows & Human Tasks in WSO2 Integratorhttps://youtu.be/_b84Ndbk1H8https://youtu.be/_b84Ndbk1H8Fri, 16 Oct 2026 00:00:00 +0000A durable claim-approval workflow that pauses for a manager's decision and survives restarts while it waits.Workflows that wait for peoplehttps://hasithaaravinda.medium.com/workflows-that-wait-for-people-8ac3b5fc3635https://hasithaaravinda.medium.com/workflows-that-wait-for-people-8ac3b5fc3635Fri, 16 Oct 2026 00:00:00 +0000Durable workflows for business processes that pause for a human decision, built with WSO2 Integrator.Agent-Flavored Markdown: Natural Language Specifications for Framework-Agnostic Agent Developmenthttps://ceur-ws.org/Vol-4266/paper03.pdfhttps://ceur-ws.org/Vol-4266/paper03.pdfMon, 23 Mar 2026 00:00:00 +0000Maryam Ziyad Mohamed, Hasitha Aravinda, Rania Khalaf. A Markdown-based format for defining portable AI agents.Programming Languages and Compilershttps://hasithaa.github.io/blog/2025/wso2-tech-conf-compilers/https://hasithaa.github.io/blog/2025/wso2-tech-conf-compilers/Wed, 01 Jan 2025 00:00:00 +0000Language theory and compiler architecture in practice, with lessons from building the Ballerina compiler.From Visual Flows to Power Programming: The Ballerina Integrator Journeyhttps://hasithaa.github.io/blog/2025/wso2con-ballerina-integrator/https://hasithaa.github.io/blog/2025/wso2con-ballerina-integrator/Wed, 01 Jan 2025 00:00:00 +0000How one tool lets integration developers start with visual flows and move to code when they need more control.Ballerina Identifiers: A Simple Guide for New Developershttps://hasithaa.github.io/blog/2023/ballerina-identifiers/https://hasithaa.github.io/blog/2023/ballerina-identifiers/Wed, 15 Mar 2023 00:00:00 +0000A beginner's guide to naming things in Ballerina.The setup-ballerina GitHub Actionhttps://hasithaa.github.io/blog/2023/setup-ballerina/https://hasithaa.github.io/blog/2023/setup-ballerina/Mon, 20 Feb 2023 00:00:00 +0000Using the setup-ballerina action to build and test Ballerina projects on GitHub Actions.Introduction to Ballerina: A Cloud Native Programming Languagehttps://hasithaa.github.io/blog/2022/meetup/https://hasithaa.github.io/blog/2022/meetup/Wed, 02 Feb 2022 00:00:00 +0000An introduction to Ballerina for programming-language enthusiasts.