AI and Software Leader, Ex-Founderhttps://lukasniessen.com/https://lukasniessen.com/blog/185-how-to-hire-well/https://lukasniessen.com/blog/185-how-to-hire-well/A short, practical rundown of hiring wisdom from Bezos, Musk, and Revolut's talent playbook, a ranked list of masterclass hiring stories, and two of my own hires that landed on opposite ends of the outcome spectrum.Wed, 08 Jul 2026 00:00:00 GMThttps://lukasniessen.com/blog/186-software-architecture-physical-axioms/https://lukasniessen.com/blog/186-software-architecture-physical-axioms/Software architecture is not floating above physics. Voltage, bits, time, locality, failure, capacity, and energy all shape the systems we build.Wed, 08 Jul 2026 00:00:00 GMThttps://lukasniessen.com/blog/175-dragon-led-growth/https://lukasniessen.com/blog/175-dragon-led-growth/A short introduction to Dragon-Led Growth: vision-led company building, sales-led discovery, service-led deployment, and disciplined productization.Sun, 31 May 2026 00:00:00 GMThttps://lukasniessen.com/blog/174-modern-saas-fde-ai-customization/https://lukasniessen.com/blog/174-modern-saas-fde-ai-customization/How SaaS is moving from low-touch self-service toward AI-assisted enterprise deployment, why this is not entirely new, and how companies can borrow the good parts of consulting without becoming consulting.Thu, 28 May 2026 00:00:00 GMThttps://lukasniessen.com/blog/172-kubeshark-kubernetes-skill/https://lukasniessen.com/blog/172-kubeshark-kubernetes-skill/Why I built an open-source Kubernetes skill that makes AI diagnose security, rollout, networking, RBAC, resource, and API drift risks before it writes YAML.Sat, 02 May 2026 00:00:00 GMThttps://lukasniessen.com/blog/170-backend-for-frontend/https://lukasniessen.com/blog/170-backend-for-frontend/A practical look at the Backend for Frontend pattern - what problem it solves, where it helps, where it does not, and a modern Next.js + FastAPI exampleTue, 28 Apr 2026 00:00:00 GMThttps://lukasniessen.com/blog/169-archunit-python/https://lukasniessen.com/blog/169-archunit-python/ArchUnitPython brings architecture testing to the Python ecosystem. Enforce layer boundaries, detect circular dependencies, and keep your codebase honest, all from pytest.Thu, 16 Apr 2026 00:00:00 GMThttps://lukasniessen.com/blog/168-kubernetes-fundamentals/https://lukasniessen.com/blog/168-kubernetes-fundamentals/Core concepts, objects, commands, and patterns in Kubernetes - written for someone who knows Docker but is new to K8sMon, 13 Apr 2026 00:00:00 GMThttps://lukasniessen.com/blog/167-iam-explained/https://lukasniessen.com/blog/167-iam-explained/The full picture of Identity and Access Management - from login flows and tokens to backend validation and client-side storageSun, 12 Apr 2026 00:00:00 GMThttps://lukasniessen.com/blog/166-archunitts-400-stars/https://lukasniessen.com/blog/166-archunitts-400-stars/My open source architecture testing library ArchUnitTS reached 400 stars on GitHub and 50,000 monthly downloads on npmTue, 07 Apr 2026 00:00:00 GMThttps://lukasniessen.com/blog/164-sidecar-pattern/https://lukasniessen.com/blog/164-sidecar-pattern/How the sidecar proxy pattern became the industry standard for service-to-service communication, and why the trade-offs are worth itMon, 23 Mar 2026 00:00:00 GMThttps://lukasniessen.com/blog/165-azure-event-grid-vs-service-bus-vs-event-hubs/https://lukasniessen.com/blog/165-azure-event-grid-vs-service-bus-vs-event-hubs/Azure has three messaging services that confuse almost everyone. Here is what each one does, how they differ, and how to pick the right one for your system.Mon, 23 Mar 2026 00:00:00 GMThttps://lukasniessen.com/blog/162-python-typical-architecture/https://lukasniessen.com/blog/162-python-typical-architecture/Python doesn't tell you how to structure your project. Here's how most teams actually do it, and why.Tue, 24 Feb 2026 00:00:00 GMThttps://lukasniessen.com/blog/163-react-typical-architecture/https://lukasniessen.com/blog/163-react-typical-architecture/React gives you components and hooks. Everything else is your problem. Here's how to organize the rest.Tue, 24 Feb 2026 00:00:00 GMThttps://lukasniessen.com/blog/161-terrashark/https://lukasniessen.com/blog/161-terrashark/Every LLM I tried kept hallucinating Terraform code. Existing skills fixed that but destroyed my token budget. So I built TerraShark - a failure-mode-first skill that prevents hallucinations while staying lean.Mon, 23 Feb 2026 00:00:00 GMThttps://lukasniessen.com/blog/160-paper-rag-project/https://lukasniessen.com/blog/160-paper-rag-project/Toy project announcementSun, 22 Feb 2026 00:00:00 GMThttps://lukasniessen.com/blog/159-teams-in-it/https://lukasniessen.com/blog/159-teams-in-it/How team structures shape the software you build, why Conway's Law still matters, and what strong ownership, platform teams and autonomy actually look like in practiceSat, 21 Feb 2026 00:00:00 GMThttps://lukasniessen.com/blog/158-micro-frontends/https://lukasniessen.com/blog/158-micro-frontends/A system design look at iframes, web components, module federation, and the other ways to split a frontend — plus why you probably shouldn't.Sat, 14 Feb 2026 00:00:00 GMThttps://lukasniessen.com/blog/157-twelve-factor-app-2026/https://lukasniessen.com/blog/157-twelve-factor-app-2026/12-Factor App: 15 Years LaterThu, 12 Feb 2026 00:00:00 GMThttps://lukasniessen.com/blog/156-caching-fundamentals/https://lukasniessen.com/blog/156-caching-fundamentals/A deep dive into caching fundamentals - why it's one of the hardest problems in computer science, the difference between invalidation and eviction, and how to think about caching in modern distributed systemsSun, 08 Feb 2026 00:00:00 GMThttps://lukasniessen.com/blog/155-fitness-functions-guide/https://lukasniessen.com/blog/155-fitness-functions-guide/How fitness functions shift governance left - from code architecture testing with ArchUnit to data product governance in a data meshTue, 03 Feb 2026 00:00:00 GMThttps://lukasniessen.com/blog/154-resiliency-explained/https://lukasniessen.com/blog/154-resiliency-explained/Resiliency is more than just keeping systems up. A look at what resiliency really means, the four core concepts behind it, and why the human element matters more than technical patterns.Thu, 29 Jan 2026 00:00:00 GMThttps://lukasniessen.com/blog/153-prompt-injection/https://lukasniessen.com/blog/153-prompt-injection/What prompt injection is, why OWASP ranks it as the #1 security risk for LLM applications, real-world attacks, and how to defend against itTue, 27 Jan 2026 00:00:00 GMThttps://lukasniessen.com/blog/152-clawdbot-security-guide/https://lukasniessen.com/blog/152-clawdbot-security-guide/What ClawdBot is, how to set it up, and the security configuration most guides skip that will prevent your server from becoming an open doorMon, 26 Jan 2026 00:00:00 GMThttps://lukasniessen.com/blog/150-claude-code-practical-guide/https://lukasniessen.com/blog/150-claude-code-practical-guide/A practical guide to using Claude Code effectively - from planning and configuration to building production systems that actually workSun, 25 Jan 2026 00:00:00 GMThttps://lukasniessen.com/blog/151-failing-fast/https://lukasniessen.com/blog/151-failing-fast/Why failing fast is better than failing slow, how circuit breakers embody this principle, and where else this pattern shows up in system designSun, 25 Jan 2026 00:00:00 GMThttps://lukasniessen.com/blog/149-architecture-decision-process/https://lukasniessen.com/blog/149-architecture-decision-process/A practical guide to making software architecture decisions - from writing RFCs to running effective decision meetings to documenting with ADRsWed, 14 Jan 2026 00:00:00 GMThttps://lukasniessen.com/blog/147-fallacies-distributed-computing/https://lukasniessen.com/blog/147-fallacies-distributed-computing/A deep dive into the classic fallacies of distributed computing and why they matter more than ever in the age of microservices, cloud-native, and AIThu, 01 Jan 2026 00:00:00 GMThttps://lukasniessen.com/blog/148-patching-security/https://lukasniessen.com/blog/148-patching-security/Why patching matters, the Equifax breach, supply chain attacks, and how to stay on top of updates in complex modern systemsThu, 01 Jan 2026 00:00:00 GMThttps://lukasniessen.com/blog/146-ephemeral-infrastructure/https://lukasniessen.com/blog/146-ephemeral-infrastructure/Understanding ephemeral infrastructure and why designing systems to be disposable makes them more reliableSat, 29 Nov 2025 00:00:00 GMThttps://lukasniessen.com/blog/130-terraform-basics/https://lukasniessen.com/blog/130-terraform-basics/A walkthrough of best practices for Terraform, as well as a collection in cheat sheet style for basic syntax and other basicsMon, 24 Nov 2025 00:00:00 GMThttps://lukasniessen.com/blog/145-creating-roadmaps/https://lukasniessen.com/blog/145-creating-roadmaps/A guide on how to create roadmaps in the IT, why it matters, and a brief overview of my personal experiencesThu, 20 Nov 2025 00:00:00 GMThttps://lukasniessen.com/blog/144-archunittscomparison/https://lukasniessen.com/blog/144-archunittscomparison/ArchUnitTS vs eslint-plugin-import comparisonSat, 18 Oct 2025 00:00:00 GMThttps://lukasniessen.com/blog/133-200-github-stars-archunit-ts/https://lukasniessen.com/blog/133-200-github-stars-archunit-ts/My open source library just hit 200 stars on GitHub, making it the #1 architecture testing framework in the TypeScript world! 🌍 🥇Wed, 15 Oct 2025 00:00:00 GMThttps://lukasniessen.com/blog/129-immutable-infrastructure/https://lukasniessen.com/blog/129-immutable-infrastructure/A discussion of immutable infrastructure, why it matters, and how to implement itThu, 25 Sep 2025 00:00:00 GMThttps://lukasniessen.com/blog/121-vision-ai-problem/https://lukasniessen.com/blog/121-vision-ai-problem/Here is exactly how we tackled detecting NSFW content using AI in my startup SocialHubs UGSat, 13 Sep 2025 00:00:00 GMThttps://lukasniessen.com/blog/124-small-vs-large-models/https://lukasniessen.com/blog/124-small-vs-large-models/Comparing small and large AI models, and examining the tradeoffs between open and closed model approachesSat, 13 Sep 2025 00:00:00 GMThttps://lukasniessen.com/blog/113-lessons-learned/https://lukasniessen.com/blog/113-lessons-learned/This is a collection of some lessons I've learned in my nearly 10 years in the ITWed, 30 Jul 2025 00:00:00 GMThttps://lukasniessen.com/blog/112-idempotence-in-system-design/https://lukasniessen.com/blog/112-idempotence-in-system-design/Understanding idempotence in system design with practical examples and real-world scenariosSat, 19 Jul 2025 00:00:00 GMThttps://lukasniessen.com/blog/122-simple-it-decision-framework/https://lukasniessen.com/blog/122-simple-it-decision-framework/A simple framework for IT decisions. 6 buckets to consider: financials, timeline, risks, synergies, change management, and other stuff. Nothing revolutionary, just structured thinking.Mon, 07 Jul 2025 00:00:00 GMThttps://lukasniessen.com/blog/109-git-ops/https://lukasniessen.com/blog/109-git-ops/GitOps explained through the evolution of a simple blog deployment - from manual CI to full GitOps with Infrastructure as CodeFri, 04 Jul 2025 00:00:00 GMThttps://lukasniessen.com/blog/108-event-sourcing-cqrs-micro-services/https://lukasniessen.com/blog/108-event-sourcing-cqrs-micro-services/This is a detailed breakdown of a FinTech project from my consulting careerTue, 01 Jul 2025 00:00:00 GMThttps://lukasniessen.com/blog/114-authentication-methods/https://lukasniessen.com/blog/114-authentication-methods/Simplest overview of Authentication MethodsMon, 16 Jun 2025 00:00:00 GMThttps://lukasniessen.com/blog/107-consistent-hashing/https://lukasniessen.com/blog/107-consistent-hashing/ELI5 and a deeper explanation of consistent hashing. At the end even an simplified example code of how you could implement consistent hashing.Sun, 25 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/106-cap-theorem/https://lukasniessen.com/blog/106-cap-theorem/A super simple ELI5 explanation of the CAP Theorem with realistic system design examplesSat, 24 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/129-demo-questions-framework/https://lukasniessen.com/blog/129-demo-questions-framework/A practical framework for answering questions during technical demos without losing momentum or credibilitySat, 24 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/128-pipeline-acceleration/https://lukasniessen.com/blog/128-pipeline-acceleration/A discussion of Pipeline Momentum & AccelerationFri, 23 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/132-gitops-transformation/https://lukasniessen.com/blog/132-gitops-transformation/How I achieved the technical win for a GitOps solution using Terraform, ArgoCD, and HashiCorp Vault, demonstrating 95% infrastructure maintenance reduction through technical validationFri, 23 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/127-technical-validation/https://lukasniessen.com/blog/127-technical-validation/A discussion of getting the technical validationThu, 22 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/126-the-technical-win/https://lukasniessen.com/blog/126-the-technical-win/Wed, 21 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/105-acid-base-transactions/https://lukasniessen.com/blog/105-acid-base-transactions/ACID and BASE transactions. First I give an easy ELI5 explanation and then a deeper dive. At the end, I show code examples.Tue, 20 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/08-database-replication/https://lukasniessen.com/blog/08-database-replication/Database Replication in ELI5. Not only though, I also cover each topic with a more thorugh summary.Sun, 18 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/88-rdbs-vs-document-stores/https://lukasniessen.com/blog/88-rdbs-vs-document-stores/Refresher of what these two are, key differences, strengths and weaknesses and system design examples (+ Spring Java code).Sun, 18 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/99-data-related-non-functional-requirements/https://lukasniessen.com/blog/99-data-related-non-functional-requirements/Walk through of the most important Non-Functional Requirements that are data related.Fri, 16 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/104-http-authentication/https://lukasniessen.com/blog/104-http-authentication/Simplest overview of HTTP AuthenticationThu, 15 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/53-programming-paradigms/https://lukasniessen.com/blog/53-programming-paradigms/Programming Paradigms and how they restrict developers powerMon, 12 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/103-tdd-bdd-explained/https://lukasniessen.com/blog/103-tdd-bdd-explained/TDD and BDD explained. Includes code samples in many languages.Sat, 10 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/06-presales-definitions/https://lukasniessen.com/blog/06-presales-definitions/The very basics for technical sales and presalesThu, 01 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/54-presales-basics/https://lukasniessen.com/blog/54-presales-basics/The very basics of presales for a solution architectThu, 01 May 2025 00:00:00 GMThttps://lukasniessen.com/blog/102-oidc-explained/https://lukasniessen.com/blog/102-oidc-explained/OIDC explained. Super short summary, a detailed summary and a code snippet.Sat, 15 Mar 2025 00:00:00 GMThttps://lukasniessen.com/blog/101-oauth-explained/https://lukasniessen.com/blog/101-oauth-explained/OAuth explained. Super short summary, a detailed summary and a code snippet.Sat, 01 Mar 2025 00:00:00 GMThttps://lukasniessen.com/blog/116-ai-vs-privacy/https://lukasniessen.com/blog/116-ai-vs-privacy/On the problem of making AIs forget dataSat, 15 Feb 2025 00:00:00 GMThttps://lukasniessen.com/blog/115-agentic-ai-privacy-issue/https://lukasniessen.com/blog/115-agentic-ai-privacy-issue/Why Agentic AI a huge Security and Privacy Issue isFri, 14 Feb 2025 00:00:00 GMThttps://lukasniessen.com/blog/52-data-flow-system-design/https://lukasniessen.com/blog/52-data-flow-system-design/Explaining and discussing REST, SOAP, GraphQL and messaging.Sat, 01 Feb 2025 00:00:00 GMThttps://lukasniessen.com/blog/120-ai-outlook/https://lukasniessen.com/blog/120-ai-outlook/An outlook for the futurure with AI, personal viewpointSat, 04 Jan 2025 00:00:00 GMThttps://lukasniessen.com/blog/119-ai-basics-high-level/https://lukasniessen.com/blog/119-ai-basics-high-level/Some basics of AI, GenAI, RAG, and agents, less from a tech viewpoint, more from a business viewpointFri, 03 Jan 2025 00:00:00 GMThttps://lukasniessen.com/blog/97-iac/https://lukasniessen.com/blog/97-iac/Very simple recap of what Infrastructure as Code is and why it matters.Wed, 01 Jan 2025 00:00:00 GMThttps://lukasniessen.com/projects/project-1/https://lukasniessen.com/projects/project-1/Lorem ipsumThu, 19 Dec 2024 00:00:00 GMThttps://lukasniessen.com/blog/98-cost-estimating/https://lukasniessen.com/blog/98-cost-estimating/An approach to estimating tech debt costTue, 17 Dec 2024 00:00:00 GMThttps://lukasniessen.com/blog/96-iac-refactoring/https://lukasniessen.com/blog/96-iac-refactoring/This is a FinTech project from my consulting career as a software architect. It involves refactoring a project to use Infrastructure as Code (IaC) and making certain infrastructure decisions/tradeoffsMon, 09 Dec 2024 00:00:00 GMThttps://lukasniessen.com/blog/47-kafka-4-0-share-groups/https://lukasniessen.com/blog/47-kafka-4-0-share-groups/Kafka 4.0 introduces Share Groups for real message queue semantics, along with other exciting updates like KRaft, performance improvements, and enhanced observability.Fri, 15 Nov 2024 00:00:00 GMThttps://lukasniessen.com/blog/118-iot-very-basics/https://lukasniessen.com/blog/118-iot-very-basics/Absolute basic and just semi-correct breakdown of Internet of Things, kind of like an ELI5Thu, 12 Sep 2024 00:00:00 GMThttps://lukasniessen.com/blog/48-message-queue-basics/https://lukasniessen.com/blog/48-message-queue-basics/Learn the basics of Message Queues (MQ), including key terms, ASCII art, and the difference between events and messages.Fri, 28 Jun 2024 00:00:00 GMThttps://lukasniessen.com/blog/09-distributed-systems-1/https://lukasniessen.com/blog/09-distributed-systems-1/Pointing out the most important differences of single computer systems and distributed systemsWed, 12 Jun 2024 00:00:00 GMThttps://lukasniessen.com/blog/95-rest-explained/https://lukasniessen.com/blog/95-rest-explained/A simple checklist for what REST APIs areFri, 07 Jun 2024 00:00:00 GMThttps://lukasniessen.com/blog/37-horizontal-vertical-scaling/https://lukasniessen.com/blog/37-horizontal-vertical-scaling/Scale up or scale out? Why adding servers is like hiring people - and why both approaches have similar challenges.Wed, 15 May 2024 00:00:00 GMThttps://lukasniessen.com/blog/33-cqrs-explained/https://lukasniessen.com/blog/33-cqrs-explained/Command Query Responsibility Segregation explained. Why you might want separate models for reading and writing data, and when it's overkill.Fri, 03 May 2024 00:00:00 GMThttps://lukasniessen.com/blog/171-private-equity-basics-for-tech-people/https://lukasniessen.com/blog/171-private-equity-basics-for-tech-people/A practical crash course on private equity: how funds work, how deals work, the words people use, what matters when building PE software, and where AI actually changes the workflow.Mon, 29 Apr 2024 00:00:00 GMThttps://lukasniessen.com/blog/36-mvc-mvp-mvvm/https://lukasniessen.com/blog/36-mvc-mvp-mvvm/Comparing the three main UI architecture patterns. How they work, when to use each one, and practical TypeScript examples.Mon, 15 Apr 2024 00:00:00 GMThttps://lukasniessen.com/blog/51-zookeeper-spring/https://lukasniessen.com/blog/51-zookeeper-spring/Zookeeper is the backbone of distributed systems. Learn its role, common patterns, and Spring microservices integration.Wed, 10 Apr 2024 00:00:00 GMThttps://lukasniessen.com/blog/30-firewall-types/https://lukasniessen.com/blog/30-firewall-types/Three types of firewalls explained: where they sit in the OSI model and what they actually do to protect your network.Tue, 02 Apr 2024 00:00:00 GMThttps://lukasniessen.com/blog/34-solid-principles/https://lukasniessen.com/blog/34-solid-principles/The five SOLID principles explained with real code examples. How to write maintainable code that's easy to change.Tue, 12 Mar 2024 00:00:00 GMThttps://lukasniessen.com/blog/25-nx-monorepo-basics/https://lukasniessen.com/blog/25-nx-monorepo-basics/Nx fundamentals and why long pipeline runs shouldn't drive you to microservicesFri, 08 Mar 2024 00:00:00 GMThttps://lukasniessen.com/blog/131-vault-basics/https://lukasniessen.com/blog/131-vault-basics/A comprehensive guide to HashiCorp Vault fundamentals, from secret engines to authentication methodsMon, 26 Feb 2024 00:00:00 GMThttps://lukasniessen.com/blog/38-elasticsearch-basics/https://lukasniessen.com/blog/38-elasticsearch-basics/A practical guide to understanding Elasticsearch: when to use it, how it works, and common patterns for real-world applications.Wed, 21 Feb 2024 00:00:00 GMThttps://lukasniessen.com/blog/31-polling-sse-websockets/https://lukasniessen.com/blog/31-polling-sse-websockets/Four ways to get real-time data from server to client. When to use each approach and how they actually work under the hood.Tue, 20 Feb 2024 00:00:00 GMThttps://lukasniessen.com/blog/24-technical-leadership/https://lukasniessen.com/blog/24-technical-leadership/My view of how to lead tech teams in 2025Fri, 02 Feb 2024 00:00:00 GMThttps://lukasniessen.com/blog/49-kafka-not-message-queue/https://lukasniessen.com/blog/49-kafka-not-message-queue/Kafka is often compared to message queues, but it’s fundamentally different. Learn why and when to use Kafka.Thu, 25 Jan 2024 00:00:00 GMThttps://lukasniessen.com/blog/28-load-balancing-explained/https://lukasniessen.com/blog/28-load-balancing-explained/How load balancers work, why you need them, and the main algorithms they use to keep your apps running smoothly.Wed, 17 Jan 2024 00:00:00 GMThttps://lukasniessen.com/blog/50-database-partitioning/https://lukasniessen.com/blog/50-database-partitioning/Database Partitioning in ELI5. Not only though, I also cover each topic with a more thorugh summary.Tue, 02 Jan 2024 00:00:00 GMThttps://lukasniessen.com/blog/16-git-workflow-strategies/https://lukasniessen.com/blog/16-git-workflow-strategies/Comparing popular Git branching strategies and when to use each oneTue, 19 Dec 2023 00:00:00 GMThttps://lukasniessen.com/blog/46-message-queues-microservices/https://lukasniessen.com/blog/46-message-queues-microservices/Message queues are the backbone of microservices. Learn how they work, common patterns, and when to use them.Tue, 05 Dec 2023 00:00:00 GMThttps://lukasniessen.com/blog/22-api-facade-pattern/https://lukasniessen.com/blog/22-api-facade-pattern/How the Facade pattern simplifies complex APIs and why it's essential for software architecture. Plus practical examples and implementation strategies.Wed, 08 Nov 2023 00:00:00 GMThttps://lukasniessen.com/blog/14-agile-methods-compared/https://lukasniessen.com/blog/14-agile-methods-compared/Understanding the differences between agile methodologies and when to use each oneFri, 03 Nov 2023 00:00:00 GMThttps://lukasniessen.com/blog/18-soa-vs-microservices/https://lukasniessen.com/blog/18-soa-vs-microservices/Understanding the real differences between Service-Oriented Architecture and MicroservicesSun, 22 Oct 2023 00:00:00 GMThttps://lukasniessen.com/blog/45-api-gateway-microservices/https://lukasniessen.com/blog/45-api-gateway-microservices/API Gateways are essential in microservices. Learn their role, patterns, and how to implement them effectively.Thu, 12 Oct 2023 00:00:00 GMThttps://lukasniessen.com/blog/110-ddd-explained/https://lukasniessen.com/blog/110-ddd-explained/Domain Driven Design explained for beginnersSat, 07 Oct 2023 00:00:00 GMThttps://lukasniessen.com/blog/21-gateway-vs-proxy/https://lukasniessen.com/blog/21-gateway-vs-proxy/Three network components that get confused all the time. Here is what each one actually does and when to use them.Tue, 12 Sep 2023 00:00:00 GMThttps://lukasniessen.com/blog/44-redis-spring/https://lukasniessen.com/blog/44-redis-spring/Redis is more than a cache. Learn how to use it effectively with Spring Boot for caching, messaging, and data structures.Fri, 18 Aug 2023 00:00:00 GMThttps://lukasniessen.com/blog/15-estimating-time-in-it/https://lukasniessen.com/blog/15-estimating-time-in-it/Why we use story points, T-shirt sizes, and Fibonacci numbers instead of absolute time estimates. Plus the knowledge pyramid that explains why everything takes longer than expected.Mon, 14 Aug 2023 00:00:00 GMThttps://lukasniessen.com/blog/35-devops-revolution/https://lukasniessen.com/blog/35-devops-revolution/Understanding the interconnected transformation of Docker, Kubernetes, IaC, and development practicesMon, 14 Aug 2023 00:00:00 GMThttps://lukasniessen.com/blog/07-db-topics/https://lukasniessen.com/blog/07-db-topics/A super simple explanation of data processing patterns with real MongoDB examples from a Solution Architect perspectiveThu, 03 Aug 2023 00:00:00 GMThttps://lukasniessen.com/blog/10-hexagonal-vs-clean/https://lukasniessen.com/blog/10-hexagonal-vs-clean/Looking at Hexagonal and Clean Architecture - they're basically the same approach with different labels. Plus how to enforce these patterns with ArchUnitTS.Wed, 05 Jul 2023 00:00:00 GMThttps://lukasniessen.com/blog/12-architecture-fitness-functions/https://lukasniessen.com/blog/12-architecture-fitness-functions/How to automatically enforce architectural decisions and prevent code decay using fitness functionsThu, 15 Jun 2023 00:00:00 GMThttps://lukasniessen.com/blog/43-kafka-spring/https://lukasniessen.com/blog/43-kafka-spring/Understanding Apache Kafka through Spring Boot, with real-world patterns and production considerations.Tue, 30 May 2023 00:00:00 GMThttps://lukasniessen.com/blog/42-rabbitmq-spring/https://lukasniessen.com/blog/42-rabbitmq-spring/Deep dive into RabbitMQ patterns and Spring Boot integration, with real-world examples and common pitfalls.Tue, 14 Feb 2023 00:00:00 GMThttps://lukasniessen.com/blog/41-hibernate-deep-dive/https://lukasniessen.com/blog/41-hibernate-deep-dive/Understanding Hibernate performance, patterns, and pitfalls. Real examples of common issues and how to solve them.Tue, 08 Nov 2022 00:00:00 GMThttps://lukasniessen.com/blog/40-distributed-monolith/https://lukasniessen.com/blog/40-distributed-monolith/How to identify and avoid the distributed monolith anti-pattern: all the complexity of microservices with none of the benefits.Fri, 22 Jul 2022 00:00:00 GMThttps://lukasniessen.com/blog/03-ecommerce-case-studies/https://lukasniessen.com/blog/03-ecommerce-case-studies/Personal case studies: E-commerceTue, 05 Apr 2022 00:00:00 GMThttps://lukasniessen.com/blog/04-ecommerce-vendors/https://lukasniessen.com/blog/04-ecommerce-vendors/E-commerce Platform ComparisonMon, 04 Apr 2022 00:00:00 GMThttps://lukasniessen.com/blog/05-ecommerce-basics/https://lukasniessen.com/blog/05-ecommerce-basics/The very basics of E-CommerceSun, 03 Apr 2022 00:00:00 GMThttps://lukasniessen.com/blog/39-monolith-to-microservices/https://lukasniessen.com/blog/39-monolith-to-microservices/Real-world guide to breaking down a monolith into microservices, focusing on Spring-specific challenges and solutions.Tue, 15 Mar 2022 00:00:00 GMThttps://lukasniessen.com/blog/117-blockchain-very-basics/https://lukasniessen.com/blog/117-blockchain-very-basics/Absolute basic and just semi-correct breakdown of blockchain, kind of like an ELI5Sat, 03 Apr 2021 00:00:00 GMThttps://lukasniessen.com/blog/02-case-studies-frameworks/https://lukasniessen.com/blog/02-case-studies-frameworks/Case studiesThu, 01 Jan 1970 00:00:00 GMThttps://lukasniessen.com/blog/123-ai-green-tech/https://lukasniessen.com/blog/123-ai-green-tech/AI: Green Tech and Ethical QuestionsThu, 01 Jan 1970 00:00:00 GMThttps://lukasniessen.com/blog/125-from-idea-to-offering/https://lukasniessen.com/blog/125-from-idea-to-offering/Thu, 01 Jan 1970 00:00:00 GMThttps://lukasniessen.com/blog/25-change-management-consulting/https://lukasniessen.com/blog/25-change-management-consulting/What actually works when implementing change in organizations - my experienceThu, 01 Jan 1970 00:00:00 GMThttps://lukasniessen.com/blog/26-project-crisis-management/https://lukasniessen.com/blog/26-project-crisis-management/How to handle unexpected problems, stakeholder panic, and last-minute changes without derailing your projectThu, 01 Jan 1970 00:00:00 GMThttps://lukasniessen.com/blog/27-changing-requirements/https://lukasniessen.com/blog/27-changing-requirements/How to handle requirements that evolve during a projectThu, 01 Jan 1970 00:00:00 GMT