# Savi Saluwadana > Savi Saluwadana is a software engineer based in Sri Lanka who builds software in public. His project repositories document architecture, design decisions and trade-offs; he is exploring platform engineering through containers, CI/CD and developer experience. This site contains 16 product overviews, including seven repositories that are publicly accessible. Some repository licences are unspecified; public source does not automatically mean open source. ## Site references - [Product directory](https://savisaluwadana.github.io/products/): Sixteen project overviews and architecture notes - [About](https://savisaluwadana.github.io/about/): Profile and public project evidence - [Engineering architecture](https://savisaluwadana.github.io/engineering/): Architecture and domain trade-offs - [Agent interfaces](https://savisaluwadana.github.io/engineering/agentic-systems/): Permissions and workflow boundaries - [Public repositories](https://savisaluwadana.github.io/open-source/): Seven public code repositories and licensing status - [Engineering insights](https://savisaluwadana.github.io/insights/): Published notes and separately identified article proposals ## Product pages - [Avara Real Estate](https://savisaluwadana.github.io/products/avara/): Property discovery, transactions and host operations in Sri Lanka. - [Blu.lk](https://savisaluwadana.github.io/products/blu/): Home-service discovery, booking and fulfillment in Sri Lanka. - [FreshPick / FreshOnTime](https://savisaluwadana.github.io/products/freshpick/): Food commerce, producer onboarding and scheduled recurring deliveries in Colombo. - [TimelyHelp.lk](https://savisaluwadana.github.io/products/timelyhelp/): Product and frontend work for practitioner discovery and consultation journeys. - [DevRelOS](https://savisaluwadana.github.io/products/devrelos/): A self-hosted beta for discovery, engagement and outcome measurement. - [Property Management OS](https://savisaluwadana.github.io/products/property-os/): Multi-tenant rental operations and controlled agent-assisted work. - [RapidReach](https://savisaluwadana.github.io/products/rapidreach/): Developer publishing and tool discovery with a small CMS. - [Advance HRIS](https://savisaluwadana.github.io/products/advance-hris/): Hybrid web and local-first desktop HR operations. - [NexusPOS](https://savisaluwadana.github.io/products/nexus-pos/): Checkout and store operations with an optional Electron desktop shell. - [Academix](https://savisaluwadana.github.io/products/academix/): Student, academic and fee operations in a role-aware workspace. - [Acme Accounting](https://savisaluwadana.github.io/products/acme-accounting/): Single-company financial operations backed by a double-entry ledger. - [EventOS](https://savisaluwadana.github.io/products/eventos/): Quick provider matching and full event procurement. - [Plate Restaurant OS](https://savisaluwadana.github.io/products/restaurantos/): Restaurant point of sale and coordinated order operations. - [Pain Intelligence Lab](https://savisaluwadana.github.io/products/pain-intelligence/): Local research software for exploring repeated needs and evidence-backed project ideas. - [Ad Performance Analysis Agent](https://savisaluwadana.github.io/products/ad-performance-agent/): An advertising analytics and reporting prototype. - [MediCare](https://savisaluwadana.github.io/products/medicare/): Patient administration, appointments, clinical records and billing. ## Published insights - [Engineering insights](https://savisaluwadana.github.io/insights/): Published architecture notes and five proposed article topics. - [MCP Permission Boundaries: Keep Agent Tools Behind the Application API](https://savisaluwadana.github.io/insights/mcp-permission-boundaries/): How application services retain authorization when agents use tools. - [Durable Agentic Workflows: State, Idempotency and Human Approval](https://savisaluwadana.github.io/insights/durable-agentic-workflows/): State, retries, idempotency and approvals in long-running workflows. - [Go Modular Monolith Architecture for SaaS: Boundaries Before Microservices](https://savisaluwadana.github.io/insights/go-modular-monolith-saas/): Domain boundaries and transaction ownership in a Go application. - [Platform Engineering: Build a Paved Road Without Hiding the System](https://savisaluwadana.github.io/insights/platform-engineering-paved-road/): Tool-neutral platform delivery contracts, visibility and escape hatches. - [PostgreSQL Multi-Tenancy: Define Authorization Boundaries Before Schema Tricks](https://savisaluwadana.github.io/insights/postgres-multitenancy-boundaries/): Tenant context, repository contracts and database safeguards. ## Formats - [JSON products](https://savisaluwadana.github.io/products.json) - [Public repository records](https://savisaluwadana.github.io/public-work.json) - [Atom feed](https://savisaluwadana.github.io/feed.xml) - [XML sitemap](https://savisaluwadana.github.io/sitemap.xml)