Project case studies

Engineering projects, dissected and documented.

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Project registry · 10 entriesReady to explore

Project frame

Engineering brief

DayBoard

Multi-tenant operations platform on ASP.NET Core, PostgreSQL, and WhatsApp

ASP.NET Core

Next.js

React

TypeScript

PostgreSQL

Meta WhatsApp

Docker

Project summary

An actively developed service-business platform combining secure owner authentication, tenant-isolated .NET APIs, a durable WhatsApp booking engine, operational dashboards, scheduling, POS, reminders, analytics, payroll, waitlists, and inventory.

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[ GitHub repository ][ Architecture documentation ]

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Project registry · 10 entries

01Project frame

DayBoardAn actively developed service-business platform combining secure owner authentication, tenant-isolated .NET APIs, a durable WhatsApp booking engine, operational dashboards, scheduling, POS, reminders, analytics, payroll, waitlists, and inventory.

TIQRI AssetsA centralized TIQRI platform for managing asset custody, lifecycle operations, financial value, maintenance, software licensing, and compliant disposal.

ESP32 Flight ControllerAn embedded flight-control platform with FreeRTOS tasking, RF command and telemetry links, sensor integration, safety failsafes, PID-assisted stabilization, and saturation-aware motor mixing.

HariToolsA registry-driven web platform that turns Sri Lankan finance, education, health, business, and everyday calculations into fast tools with supporting long-form guides.

Engineering this portfolioMore than a portfolio launch, this is an evolving record of what I learned while designing a visual system, building content pipelines, integrating live services, and making ambitious interactions work across devices.

Receipt ScannerA mobile-first app that captures receipts, extracts structured expense data, and syncs records when online.

WhatsApp Commerce BotA Node.js commerce bot that combines WhatsApp interactive messages, Wit.ai intent detection, Firestore-backed carts and orders, checkout state, tracking, and human-agent handoff.

Paper & PixelsA deployed multi-user blog built with PHP and MySQL, featuring authentication, role-aware content management, Markdown authoring, image uploads, likes, comments, search, and tags.

Hospital Management SystemA completed educational desktop application for managing hospital patients, appointments, staff, billing, and inventory through a relational C#/.NET system.

C# and .NET

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SRE PlaygroundA planned, scenario-driven lab for rehearsing the Day 2 incidents that appear after software reaches production, from degraded services and failed deployments to noisy alerts, recovery decisions, and safe cleanup.