https://chanakadesilva.dev/blog Senior Software Engineer with 11+ years of experience building enterprise SaaS products, CRM platforms, workflow automation, cloud integrations, distributed applications, AI-powered solutions, and scalable backend architectures. https://chanakadesilva.dev/blog/production-rag-beyond-the-demo https://chanakadesilva.dev/blog/production-rag-beyond-the-demo Tue, 22 Apr 2025 00:00:00 GMT Artificial Intelligence Chunking strategy, hybrid retrieval, reranking, and evals — the four decisions that separate a RAG demo from a system enterprise users trust. https://chanakadesilva.dev/blog/scaling-laravel-horizon-queues https://chanakadesilva.dev/blog/scaling-laravel-horizon-queues Tue, 10 Jun 2025 00:00:00 GMT Laravel Queue segregation, backpressure, tuned Horizon supervisors, and the failure modes that only show up under real throughput. https://chanakadesilva.dev/blog/idempotency-keys-exactly-once https://chanakadesilva.dev/blog/idempotency-keys-exactly-once Tue, 29 Jul 2025 00:00:00 GMT System Design Exactly-once delivery doesn't exist. Exactly-once effects can — with idempotency keys, atomic claims, and stored responses. https://chanakadesilva.dev/blog/outbox-pattern-event-driven-consistency https://chanakadesilva.dev/blog/outbox-pattern-event-driven-consistency Tue, 16 Sep 2025 00:00:00 GMT Distributed Systems Dual writes are the quiet killer of event-driven systems. The transactional outbox fixes them with one table and a relay. https://chanakadesilva.dev/blog/kubernetes-cost-optimization-without-tears https://chanakadesilva.dev/blog/kubernetes-cost-optimization-without-tears Wed, 12 Nov 2025 00:00:00 GMT Cloud Right-sizing requests, spot node pools with honest disruption budgets, and autoscaling that follows real load — a field report. https://chanakadesilva.dev/blog/enterprise-integration-hub-without-spaghetti https://chanakadesilva.dev/blog/enterprise-integration-hub-without-spaghetti Tue, 20 Jan 2026 00:00:00 GMT Architecture A hub architecture for Microsoft Graph, Stripe, and SendGrid: anti-corruption layers, canonical events, and one place where retries live. https://chanakadesilva.dev/blog/opentelemetry-tracing-across-queue-boundaries https://chanakadesilva.dev/blog/opentelemetry-tracing-across-queue-boundaries Tue, 24 Mar 2026 00:00:00 GMT Engineering Async work breaks most tracing setups. Context propagation through message headers, span links, and the queue metrics that actually matter. https://chanakadesilva.dev/blog/how-ai-agents-changed-my-development-workflow https://chanakadesilva.dev/blog/how-ai-agents-changed-my-development-workflow Tue, 09 Jun 2026 00:00:00 GMT Developer Productivity A year of agentic coding: MCP servers as the integration layer, where agents genuinely accelerate senior engineers, and where they quietly fail.