BlogNotes on software engineering, AI agents, and developer tools.https://tanzimhromel.com/entanhromel@gmail.com (Tanzim Hossain Romel)as-folio (Astro)Working Hard Means Working Deep and Resting on Purposehttps://tanzimhromel.com/blog/focused-work-and-deliberate-rest/https://tanzimhromel.com/blog/focused-work-and-deliberate-rest/How I think about work ethic: one thing at a time, a clean stop, and rest that is planned as carefully as work.Tue, 29 Sep 2026 00:00:00 GMTdeep-workfocuswork-habitsrestproductivitytanhromel@gmail.com (Tanzim Hossain Romel)Building a fast 1BRC solver in C# on Apple Siliconhttps://tanzimhromel.com/blog/building-fast-1brc-csharp-apple-silicon/https://tanzimhromel.com/blog/building-fast-1brc-csharp-apple-silicon/Thu, 18 Jun 2026 00:00:00 GMTcsharpdotnetnativeaot1brcperformancearm64macosperformance-engineeringdotnetsystemstanhromel@gmail.com (Tanzim Hossain Romel)Memory Management in Production: Avoiding the Silent Killershttps://tanzimhromel.com/blog/memory-management-production-silent-killers/https://tanzimhromel.com/blog/memory-management-production-silent-killers/Sun, 01 Jun 2025 00:00:00 GMTmemory-managementdotnetgarbage-collectiondockerperformance-optimizationproduction-debuggingaspnet-corebackend-engineeringperformancememory-managementtanhromel@gmail.com (Tanzim Hossain Romel)Growing as a Software Engineer in the Age of LLMs and Vibe Codinghttps://tanzimhromel.com/blog/vibe-coding/https://tanzimhromel.com/blog/vibe-coding/Wed, 28 May 2025 00:00:00 GMTllmvibe-codingsoftware-engineeringai-assisted-developmentcareer-growthprogrammingsoftware-engineeringartificial-intelligencecareer-developmenttanhromel@gmail.com (Tanzim Hossain Romel)Taming the Imagination: A Comprehensive Guide to Handling Hallucinations and Implementing Guardrails in Agentic AIhttps://tanzimhromel.com/blog/how-to-handle-hallucinations/https://tanzimhromel.com/blog/how-to-handle-hallucinations/Fri, 23 May 2025 00:00:00 GMThallucinationsai-safetyguardrailsllmagentic-aimachine-learningartificial-intelligencemachine-learningsoftware-engineeringtanhromel@gmail.com (Tanzim Hossain Romel)Building an Agentic AI Analytics Dashboard: A Deep Dive with LangChain, LangGraph, and Fine-tuned LLAMAhttps://tanzimhromel.com/blog/intro-to-agentic-ai/https://tanzimhromel.com/blog/intro-to-agentic-ai/Tue, 20 May 2025 00:00:00 GMTlangchainlanggraphllamaaianalyticsllmfine-tuningpythonartificial-intelligencemachine-learningdata-sciencetanhromel@gmail.com (Tanzim Hossain Romel)Neural Algorithmic Reasoning: Teaching Neural Networks to Think Like Algorithmshttps://tanzimhromel.com/blog/intro-to-nar/https://tanzimhromel.com/blog/intro-to-nar/Sat, 05 Apr 2025 00:00:00 GMTneural-networksalgorithmsdeep-learningreasoningpythonpytorchartificial-intelligencemachine-learningalgorithmstanhromel@gmail.com (Tanzim Hossain Romel)OpenTelemetry in Microservices: How We Transformed Our Observability Strategyhttps://tanzimhromel.com/blog/opentelemetry/https://tanzimhromel.com/blog/opentelemetry/Thu, 20 Mar 2025 00:00:00 GMTopentelemetrydistributed-tracingmonitoringobservabilitymicroservicesobservabilitymicroservicesdevopstanhromel@gmail.com (Tanzim Hossain Romel)Using AI Tools in Software Engineering and Research Workflowshttps://tanzimhromel.com/blog/leveraging-ai-tools-software-engineering/https://tanzimhromel.com/blog/leveraging-ai-tools-software-engineering/Mon, 20 Jan 2025 00:00:00 GMTcursorchatgptclaudeai-toolssoftware-developmentresearchproductivitysoftware-engineeringartificial-intelligenceproductivitytanhromel@gmail.com (Tanzim Hossain Romel)The Performance Crisis: How We Rescued a .NET 8 Microservice from 10 Critical Bottleneckshttps://tanzimhromel.com/blog/optimizing-dotnet-microservices-performance/https://tanzimhromel.com/blog/optimizing-dotnet-microservices-performance/Fri, 27 Dec 2024 00:00:00 GMTdotnetcsharpmicroservicesperformance-optimizationbackend-engineeringsystem-designdatabase-optimizationcachingbackend-engineeringperformancemicroservicestanhromel@gmail.com (Tanzim Hossain Romel)Zero Downtime Deployments in Kubernetes: How We Keep Our Services Running While We Shiphttps://tanzimhromel.com/blog/zero-downtime/https://tanzimhromel.com/blog/zero-downtime/Fri, 29 Nov 2024 00:00:00 GMTkuberneteszero-downtimedeploymentmicroservicesdevopsrolling-updateskubernetesdevopsmicroservicestanhromel@gmail.com (Tanzim Hossain Romel)Mastering Unit Testing and BDD with xUnit and SpecFlow in .NET 9: A Comprehensive Guidehttps://tanzimhromel.com/blog/dotnet-tests/https://tanzimhromel.com/blog/dotnet-tests/Tue, 05 Nov 2024 00:00:00 GMTxunitspecflowdotnet9unit-testingbddtddbest-practicesci-cddotnettestingsoftware-engineeringbddeducationtanhromel@gmail.com (Tanzim Hossain Romel)Design Patterns: Your First Step Toward Professional Software Engineeringhttps://tanzimhromel.com/blog/design-patterns-professional-software-engineering/https://tanzimhromel.com/blog/design-patterns-professional-software-engineering/Wed, 22 May 2024 00:00:00 GMTdesign-patternsjavaobject-orientedprogrammingsoftware-engineeringsingletonstrategyobserverdecoratorprogrammingsoftware-engineeringeducationtanhromel@gmail.com (Tanzim Hossain Romel)Setting Up GitHub Actions CI/CD with AWS: A Practical Journeyhttps://tanzimhromel.com/blog/intro-to-ci-cd/https://tanzimhromel.com/blog/intro-to-ci-cd/Sun, 21 Apr 2024 00:00:00 GMTgithubci-cdawsdeploymentstoryautomationdevopscloudci-cdsoftware-engineeringdevopseducationtanhromel@gmail.com (Tanzim Hossain Romel)The Clique Partition Problem: Dividing Networks into Perfect Communitieshttps://tanzimhromel.com/blog/clique-partition-problem-graph-theory/https://tanzimhromel.com/blog/clique-partition-problem-graph-theory/Fri, 27 Jan 2023 00:00:00 GMTclique-partitiongraph-algorithmsnp-completesocial-networksclusteringcombinatorial-optimizationalgorithmsgraph-theorycomputer-sciencetanhromel@gmail.com (Tanzim Hossain Romel)Advice Complexity in Online Algorithms: When Knowing the Future Makes All the Differencehttps://tanzimhromel.com/blog/advice-complexity-online-algorithms/https://tanzimhromel.com/blog/advice-complexity-online-algorithms/Thu, 05 Jan 2023 00:00:00 GMTonline-algorithmsadvice-complexitycompetitive-analysisalgorithm-engineeringtheoretical-computer-scienceoptimizationalgorithmscomputer-sciencetheorytanhromel@gmail.com (Tanzim Hossain Romel)Getting Started with Kubernetes: Deploying Microservice Architectures at Scalehttps://tanzimhromel.com/blog/getting-started-with-kubernetes-microservices/https://tanzimhromel.com/blog/getting-started-with-kubernetes-microservices/A practical Kubernetes guide covering microservice deployment, service-mesh integration, observability, and the operational checks needed before production use.Tue, 23 Aug 2022 00:00:00 GMTkubernetesmicroservicesdockerdevopsorchestrationcontainerstutorialkubernetesmicroservicestanhromel@gmail.com (Tanzim Hossain Romel)Understanding xv6: A Practical Introduction to Operating Systemshttps://tanzimhromel.com/blog/understanding-xv6-operating-systems/https://tanzimhromel.com/blog/understanding-xv6-operating-systems/Thu, 21 Apr 2022 00:00:00 GMTxv6operating-systemsckernelunixmitsystems-programmingcomputer-scienceoperating-systemsprogrammingeducationtanhromel@gmail.com (Tanzim Hossain Romel)Getting Started with NS3: A Hands-On Guide to Network Simulationhttps://tanzimhromel.com/blog/getting-started-with-ns3/https://tanzimhromel.com/blog/getting-started-with-ns3/Mon, 27 Dec 2021 00:00:00 GMTns3network-simulationcppnetworkingtutorialcampus-networknetworkingsimulationprogrammingtanhromel@gmail.com (Tanzim Hossain Romel)