Articles about web development, software architecture, and modern technology stackshttps://salihyildirim.me/en-ushttps://salihyildirim.me/blog/how-local-llms-replaced-300-dollars-in-monthly-openai-costs/https://salihyildirim.me/blog/how-local-llms-replaced-300-dollars-in-monthly-openai-costs/A practical breakdown of when and how to move AI workloads from OpenAI APIs to local models. Real cost math, production code, and an honest look at when it's not worth it.Wed, 04 Mar 2026 00:00:00 GMTAILLMPythonCost OptimizationArchitectureDevOpsSalih Yildirimhttps://salihyildirim.me/blog/5-python-patterns-i-use-in-every-microservice/https://salihyildirim.me/blog/5-python-patterns-i-use-in-every-microservice/Battle-tested Python patterns for building production microservices: structured configuration, graceful shutdown, health checks, idempotency, and structured logging. Code you can use today.Tue, 10 Feb 2026 00:00:00 GMTPythonMicroservicesBackendArchitectureBest PracticesSalih Yildirimhttps://salihyildirim.me/blog/how-i-use-ai-to-write-better-code-without-losing-my-skills/https://salihyildirim.me/blog/how-i-use-ai-to-write-better-code-without-losing-my-skills/A senior engineer's practical approach to AI-assisted development: boosting productivity while maintaining technical depth and code quality.Thu, 15 Jan 2026 00:00:00 GMTAIProductivityDevelopmentBest PracticesWorkflowSalih Yildirimhttps://salihyildirim.me/blog/migrating-to-microservices-lessons-from-a-successful-platform-rebuild/https://salihyildirim.me/blog/migrating-to-microservices-lessons-from-a-successful-platform-rebuild/How I led a 2.5-year migration to microservices architecture, achieving 100% client retention and 50% scalability improvement through strategic planning and technical excellence.Fri, 02 Jan 2026 00:00:00 GMTArchitectureMicroservicesPythonNode.jsDockerAzureLeadershipSalih Yildirim