https://buildingai.in/blog Articles on enterprise AI, LLMOps, cloud architecture, and engineering leadership. en-us Wed, 09 Sep 2026 15:33:23 GMT https://buildingai.in/blog/system-design-notification-service https://buildingai.in/blog/system-design-notification-service Blog A complete system design walkthrough — from blank page to production architecture — covering fan-out, multi-channel delivery, rate limiting, retry logic, and the trade-offs engineers get wrong in interviews and production. Wed, 09 Sep 2026 00:00:00 GMT https://buildingai.in/blog/modular-monolith-java-architecture https://buildingai.in/blog/modular-monolith-java-architecture Blog A practical guide to the modular monolith in Java and Spring Boot — package structure, enforced module boundaries, domain events, and the honest case for why it beats microservices for most teams. Wed, 09 Sep 2026 00:00:00 GMT https://buildingai.in/blog/ai-request-pipeline-architecture https://buildingai.in/blog/ai-request-pipeline-architecture Blog A production architecture blueprint for every layer between a user's message and a safe, reliable LLM response — with Spring Boot code you can actually use. Wed, 09 Sep 2026 00:00:00 GMT https://buildingai.in/blog/ai-refactored-java-monolith-honest-results https://buildingai.in/blog/ai-refactored-java-monolith-honest-results Blog A real post-mortem on 6 weeks of AI-assisted refactoring — what it got right, what it silently broke, what we'd do differently, and the hybrid model we actually shipped. Tue, 08 Sep 2026 00:00:00 GMT https://buildingai.in/blog/building-skills-copilot-claude-agents https://buildingai.in/blog/building-skills-copilot-claude-agents Blog One skill, three platforms. A complete guide to building a custom capability for GitHub Copilot, Claude, and your own AI agents — with real code, architecture diagrams, and a decision framework for when to use each. Wed, 02 Sep 2026 00:00:00 GMT https://buildingai.in/blog/ai-code-review-github-actions-claude https://buildingai.in/blog/ai-code-review-github-actions-claude Blog Six months, 4,200 pull requests, and a GitHub Actions workflow that catches real bugs before your team spends a single minute on review. The architecture, the prompt, the cost, and what we learned. Wed, 02 Sep 2026 00:00:00 GMT https://buildingai.in/blog/feature-flags-ai-llm-production https://buildingai.in/blog/feature-flags-ai-llm-production Blog Why LLM features need flags more than anything else you've ever shipped — and the four flag patterns that let us swap models, A/B test prompts, and kill broken AI features in under 60 seconds. Tue, 01 Sep 2026 00:00:00 GMT https://buildingai.in/blog/spring-boot-production-mistakes https://buildingai.in/blog/spring-boot-production-mistakes Blog A practical breakdown of the most common Spring Boot anti-patterns that cause degraded performance, memory leaks, and outages — with before/after code, real query plans, and how to catch them before they reach production. Mon, 31 Aug 2026 00:00:00 GMT https://buildingai.in/blog/java-developer-roadmap-2026 https://buildingai.in/blog/java-developer-roadmap-2026 Blog A practical, opinionated roadmap for Java developers in 2026 — covering Java 21-24 features, Spring Boot 3, virtual threads, AI integration with Spring AI, cloud-native patterns, and what to stop wasting time on. Organized by experience level. Mon, 31 Aug 2026 00:00:00 GMT https://buildingai.in/blog/graalvm-native-spring-boot https://buildingai.in/blog/graalvm-native-spring-boot Blog A practical, no-handwaving guide to compiling Spring Boot 3 apps to native executables — real benchmark numbers, common pitfalls, and when it's actually worth it. Mon, 31 Aug 2026 00:00:00 GMT https://buildingai.in/blog/event-driven-ai-kafka-streams-llm https://buildingai.in/blog/event-driven-ai-kafka-streams-llm Blog From blocking HTTP calls to async event streams — the architecture shift that halved user-visible latency, eliminated 3AM pages, and lets us process 2M AI requests a day without hitting rate limit walls. Mon, 31 Aug 2026 00:00:00 GMT https://buildingai.in/blog/temporal-replace-cron-spring-batch https://buildingai.in/blog/temporal-replace-cron-spring-batch Blog Many enterprise Java teams have scheduled jobs failing silently, running concurrently, and corrupting data — without knowing. This guide explains how Temporal's durable execution model solves these problems, with complete code examples migrating from @Scheduled and Spring Batch. Fri, 28 Aug 2026 00:00:00 GMT https://buildingai.in/blog/ai-coding-tools-enterprise-90-days https://buildingai.in/blog/ai-coding-tools-enterprise-90-days Blog A structured 90-day study of AI coding tools across a 70-engineer enterprise team, measuring PR velocity, defect rates, adoption patterns, and ROI. The results were not all positive — and the most important finding had nothing to do with speed. Fri, 28 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-dev-overview https://buildingai.in/learning/cca-dev-overview Learning What this course covers, how it's structured, and what you'll be able to do when you finish. Tue, 25 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-dev-m5-accelerators-deployment https://buildingai.in/learning/cca-dev-m5-accelerators-deployment Learning Packaging reusable accelerators, contributing to the Cookbook, requirements capture, deployment platform comparison, model versioning strategy, and trust boundaries in multi-component systems. Tue, 25 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-dev-m4-production-evals-security https://buildingai.in/learning/cca-dev-m4-production-evals-security Learning Eval design, grading methods, LLM-as-judge calibration, testing levels, failure handling, model selection, cost optimisation, prompt injection, hooks as guardrails, and ZDR/HIPAA compliance. Tue, 25 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-dev-m3-claude-code-mcp https://buildingai.in/learning/cca-dev-m3-claude-code-mcp Learning Permission modes, CLAUDE.md, hooks, subagents, skills and plugins, MCP server primitives, transport options, scope configuration, and enterprise authentication patterns. Tue, 25 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-dev-m2-prompting-agents-tools https://buildingai.in/learning/cca-dev-m2-prompting-agents-tools Learning System prompts, XML tags, few-shot, extended thinking, tool schemas, the six-step tool-use loop, streaming events, context engineering, agent vs workflow decisions, memory scopes, and multimodal. Tue, 25 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-dev-m1-foundations https://buildingai.in/learning/cca-dev-m1-foundations Learning Tokens, context window mechanics, sampling, non-determinism, the Claude model family, reasoning modes, prompting modes, and when to use SDK vs REST vs batch. Tue, 25 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-dev-exam-cheatsheet https://buildingai.in/learning/cca-dev-exam-cheatsheet Learning One-page reference for every key rule, table, and diagnostic across all five CCA Developer modules. Study this last — it only makes sense after you've read the modules. Tue, 25 Aug 2026 00:00:00 GMT https://buildingai.in/blog/webflux-to-virtual-threads-migration https://buildingai.in/blog/webflux-to-virtual-threads-migration Blog After 3 years of reactive streams in production, we migrated four services from WebFlux to Spring Boot + virtual threads. Code complexity halved, p99 latency dropped 34%, onboarding time for new engineers went from weeks to days. Here's exactly what we did — and what we kept reactive. Tue, 25 Aug 2026 00:00:00 GMT https://buildingai.in/blog/structured-concurrency-java-24 https://buildingai.in/blog/structured-concurrency-java-24 Blog Java 24 made Structured Concurrency GA. Here's what it is, why it matters alongside Virtual Threads, and how to use StructuredTaskScope to write safe, readable concurrent code. Mon, 24 Aug 2026 00:00:00 GMT https://buildingai.in/blog/how-i-passed-claude-certified-associate-foundations https://buildingai.in/blog/how-i-passed-claude-certified-associate-foundations Blog A personal account of passing the Claude Certified Associate – Foundations exam — study approach, what the exam is actually like, what caught me off guard, and why this certification is genuinely worth your time. Thu, 20 Aug 2026 00:00:00 GMT https://buildingai.in/blog/agent-memory-patterns-llm-production https://buildingai.in/blog/agent-memory-patterns-llm-production Blog Your LLM forgets everything the moment the request ends. Here's how production systems build short-term, long-term, and semantic memory — with Spring AI, Redis, and pgvector examples. Tue, 18 Aug 2026 00:00:00 GMT https://buildingai.in/blog/spring-boot-microservices-from-scratch https://buildingai.in/blog/spring-boot-microservices-from-scratch Blog A complete walkthrough of building a production-ready microservices system with Spring Boot — covering service decomposition, API gateway, service discovery, Docker Compose, inter-service communication, and real code throughout. Fri, 14 Aug 2026 00:00:00 GMT https://buildingai.in/blog/observability-monitoring-logging-microservices https://buildingai.in/blog/observability-monitoring-logging-microservices Blog Most microservices teams add logging as an afterthought and call it observability. After running distributed systems at scale, here's what actually separates teams that debug in minutes from teams that debug in days. Fri, 14 Aug 2026 00:00:00 GMT https://buildingai.in/blog/java-21-virtual-threads-practical-guide https://buildingai.in/blog/java-21-virtual-threads-practical-guide Blog Virtual threads are Java 21's biggest performance upgrade in years — but most guides skip the real-world details. Here's what actually matters: when to use them, how they work with Spring Boot, common pitfalls, and benchmark data. Fri, 14 Aug 2026 00:00:00 GMT https://buildingai.in/blog/implement-observability-microservices-step-by-step https://buildingai.in/blog/implement-observability-microservices-step-by-step Blog A complete walkthrough — Docker Compose stack, OpenTelemetry instrumentation, structured logging with Pino, Prometheus metrics, and Grafana dashboards. Every step has working code you can run today. Fri, 14 Aug 2026 00:00:00 GMT https://buildingai.in/blog/enterprise-ai-fails-in-production https://buildingai.in/blog/enterprise-ai-fails-in-production Blog I've deployed AI systems to 10,000+ enterprise users across healthcare, logistics, and financial services. The projects that failed didn't fail because of the model. They failed because of decisions made before the first line of model code was written. Thu, 13 Aug 2026 00:00:00 GMT https://buildingai.in/blog/microservices-architecture-enterprise-patterns https://buildingai.in/blog/microservices-architecture-enterprise-patterns Blog Real-world patterns, anti-patterns, and hard lessons from designing and delivering microservices for global enterprises — from service decomposition to event-driven architecture to the observability you'll wish you had from day one. Wed, 12 Aug 2026 00:00:00 GMT https://buildingai.in/blog/apigee-api-management-microservices https://buildingai.in/blog/apigee-api-management-microservices Blog After years of building enterprise microservices at scale — from Herbalife to HCA Healthcare — here's why I believe API management isn't optional anymore, and what Apigee-X brings to the table that raw gateways simply can't. Wed, 12 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-professional-overview https://buildingai.in/learning/cca-professional-overview Learning What the Professional exam tests, how it differs from Foundations, the single idea behind every module, and how to navigate this course. Fri, 07 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-pro-m5-team-enablement https://buildingai.in/learning/cca-pro-m5-team-enablement Learning Skills distribution mechanisms and their reach/rollback tradeoffs, spend posture before the first bill, the champion-per-department rollout pattern, shared configuration, the verification checklist for AI-generated code, and runbook structure. Fri, 07 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-pro-m4-stakeholder-engagement-gtm https://buildingai.in/learning/cca-pro-m4-stakeholder-engagement-gtm Learning Discovery translation, the four question categories, the translation table, tradeoff framing with reversal cost, the six-field outcome document, governance tables, and stakeholder objection scripts. Fri, 07 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-pro-m3-responsible-ai-safety-risk https://buildingai.in/learning/cca-pro-m3-responsible-ai-safety-risk Learning The alignment boundary, four-layer safety stack with blind spots, fail-open vs fail-closed, tool-call authorization, indirect prompt injection, skills supply-chain risk, HITL routing rule, and the compliance control register. Fri, 07 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-pro-m2-enterprise-integration-production https://buildingai.in/learning/cca-pro-m2-enterprise-integration-production Learning Evaluation grading ladder, LLM judge calibration, the POC-to-production gap, reliability controls at the right layer, A/B testing rigor, shadow testing, change attribution, and cost optimization. Fri, 07 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-pro-m1-platform-solution-design https://buildingai.in/learning/cca-pro-m1-platform-solution-design Learning The four AI properties and their design consequences, four architecture patterns and when to use each, platform entry points, all seven primitives, feasibility verdicts, ownership decomposition, retrieval vs live-state, reference architectures, and prompt caching mechanics. Fri, 07 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-pro-exam-scenarios https://buildingai.in/learning/cca-pro-exam-scenarios Learning Domain-by-domain scenario walkthroughs, trap pattern application, and the decision framework for the three question formats: single-answer, multi-select, and scenario-matching. Fri, 07 Aug 2026 00:00:00 GMT https://buildingai.in/learning/cca-pro-exam-cheatsheet https://buildingai.in/learning/cca-pro-exam-cheatsheet Learning Complete quick-reference: all 12 trap patterns, every decision table, the 42-term master glossary, and the 15-item final checklist. Review this in the 24 hours before the exam. Fri, 07 Aug 2026 00:00:00 GMT https://buildingai.in/blog/claude-certified-architect-professional-study-guide https://buildingai.in/blog/claude-certified-architect-professional-study-guide Blog A comprehensive module-by-module study guide for the Claude Certified Architect – Professional exam. All five modules, every decision table, every framework, all 12 trap patterns, the 42-term glossary, and the 15-item final checklist — in one place. Fri, 07 Aug 2026 00:00:00 GMT https://buildingai.in/blog/claude-certified-architect-professional-prep https://buildingai.in/blog/claude-certified-architect-professional-prep Blog A detailed preparation guide for the Anthropic CCA Professional exam — all 7 domains with weights, the master pattern behind every module, domain-by-domain breakdown, trap patterns, and a 4-phase study approach. Fri, 07 Aug 2026 00:00:00 GMT https://buildingai.in/blog/claude-certified-architect-foundations-prep https://buildingai.in/blog/claude-certified-architect-foundations-prep Blog A first-person prep guide for the Anthropic CCA Foundations exam — the five domains, their weights, what actually appears on the exam, study resources, and the tips that made the difference. Fri, 31 Jul 2026 00:00:00 GMT https://buildingai.in/blog/spring-boot-complete-architecture-guide https://buildingai.in/blog/spring-boot-complete-architecture-guide Blog A comprehensive end-to-end guide to Spring Boot architecture for experienced developers — IoC, AOP, security, data, resilience, testing, Spring AI, and production deployment — with diagrams and production-quality code throughout. Tue, 28 Jul 2026 00:00:00 GMT https://buildingai.in/blog/spring-boot-3-new-features https://buildingai.in/blog/spring-boot-3-new-features Blog A practical tour of Spring Boot 3's biggest upgrades — native compilation with GraalVM, virtual threads, the Observability API, HTTP interface clients, and Problem Details — and when each actually matters. Tue, 28 Jul 2026 00:00:00 GMT https://buildingai.in/blog/prompt-engineering-enterprise https://buildingai.in/blog/prompt-engineering-enterprise Blog Beyond \"be clear and specific\" — the prompt engineering techniques enterprise teams actually ship: system-prompt architecture, few-shot design, retrieval grounding, structured outputs, and iterating with evals. Tue, 28 Jul 2026 00:00:00 GMT https://buildingai.in/blog/llm-observability-production https://buildingai.in/blog/llm-observability-production Blog What to measure, log, and alert on in a production LLM app — latency, token usage, error rates, retrieval quality — and the tools and patterns to get there. Tue, 28 Jul 2026 00:00:00 GMT https://buildingai.in/blog/vector-database-comparison https://buildingai.in/blog/vector-database-comparison Blog A practical comparison of the leading vector stores for RAG — pgvector, Pinecone, and Qdrant — on scale, filtering, hybrid search, ops burden, and cost, with clear guidance on when to pick each. Thu, 16 Jul 2026 00:00:00 GMT https://buildingai.in/blog/spring-boot-virtual-threads https://buildingai.in/blog/spring-boot-virtual-threads Blog Java 21's virtual threads let Spring Boot handle massive concurrency for I/O-bound work without going reactive. How to enable them, when they help, and the pitfalls to avoid. Thu, 16 Jul 2026 00:00:00 GMT https://buildingai.in/blog/modern-java-features-backend https://buildingai.in/blog/modern-java-features-backend Blog A practical tour of the modern Java features backend developers should be using now — virtual threads, pattern matching, records, sequenced collections — and why upgrading to a recent LTS pays off. Thu, 16 Jul 2026 00:00:00 GMT https://buildingai.in/blog/llm-token-budgeting https://buildingai.in/blog/llm-token-budgeting Blog A practical guide to budgeting tokens in LLM apps — how tokens map to cost and context limits, how to estimate prompt size, and the levers that keep spend predictable. Thu, 16 Jul 2026 00:00:00 GMT https://buildingai.in/blog/claude-vs-gpt-for-enterprise https://buildingai.in/blog/claude-vs-gpt-for-enterprise Blog A practical, vendor-neutral comparison of Anthropic's Claude and OpenAI's GPT for enterprise use — reasoning, tool use, cost, data privacy, deployment, and how to actually decide. Thu, 16 Jul 2026 00:00:00 GMT https://buildingai.in/blog/ai-roi-calculation-framework https://buildingai.in/blog/ai-roi-calculation-framework Blog A clear framework for calculating the ROI of an AI project — quantifying value, counting the real costs, computing payback, and presenting it to executives without hand-waving. Thu, 16 Jul 2026 00:00:00 GMT https://buildingai.in/blog/ai-data-readiness-checklist https://buildingai.in/blog/ai-data-readiness-checklist Blog AI succeeds or fails on data. A practical, dimension-by-dimension checklist to assess whether your enterprise data is ready for RAG, agents, and LLM features — before you build. Thu, 16 Jul 2026 00:00:00 GMT https://buildingai.in/blog/spring-ai-vs-langchain4j https://buildingai.in/blog/spring-ai-vs-langchain4j Blog A practical, balanced comparison of Spring AI and LangChain4j for building LLM apps in Java — design philosophy, provider support, RAG, tools, and when to pick each. Mon, 06 Jul 2026 00:00:00 GMT https://buildingai.in/blog/spring-ai-streaming-responses https://buildingai.in/blog/spring-ai-streaming-responses Blog Stream tokens as they're generated with Spring AI's ChatClient — a practical guide to SSE with WebFlux and Spring MVC, consuming the stream on the frontend, and handling errors in production. Mon, 06 Jul 2026 00:00:00 GMT https://buildingai.in/blog/spring-ai-pgvector-rag https://buildingai.in/blog/spring-ai-pgvector-rag Blog A step-by-step guide to a production-ready RAG chatbot in Java with Spring AI, PostgreSQL, and pgvector — ingestion, embeddings, retrieval, and grounded answers. Mon, 06 Jul 2026 00:00:00 GMT https://buildingai.in/blog/mcp-vs-function-calling https://buildingai.in/blog/mcp-vs-function-calling Blog Model Context Protocol and function calling both give LLMs access to tools — but they solve different problems. A clear comparison with guidance on when to use which. Mon, 06 Jul 2026 00:00:00 GMT https://buildingai.in/blog/apigee-ai-gateway-llm-proxy https://buildingai.in/blog/apigee-ai-gateway-llm-proxy Blog Put Apigee in front of your LLM providers to centralize API keys, cost control, quotas, logging, and guardrails. A practical blueprint for an enterprise AI gateway. Mon, 06 Jul 2026 00:00:00 GMT https://buildingai.in/blog/generative-ai-leader-certification-journey https://buildingai.in/blog/generative-ai-leader-certification-journey Blog How I earned the Google Cloud Generative AI Leader certification — what the exam covers, how I prepared, and who should consider it. Tue, 30 Jun 2026 00:00:00 GMT https://buildingai.in/learning/cca-drills-strategy https://buildingai.in/learning/cca-drills-strategy Learning The three decision rules that resolve most Claude Certified Architect scenario questions: deterministic-over-probabilistic, root-cause, and simplest-fix. Thu, 18 Jun 2026 00:00:00 GMT https://buildingai.in/learning/cca-drills-recall https://buildingai.in/learning/cca-drills-recall Learning The 6 recurring Claude Certified Architect exam scenarios, plus a rapid-recall cheat-sheet of file locations, critical values, and decision shortcuts. Thu, 18 Jun 2026 00:00:00 GMT https://buildingai.in/learning/cca-drills-antipatterns https://buildingai.in/learning/cca-drills-antipatterns Learning Every wrong answer on the Claude Certified Architect exam is built from these 22 anti-patterns. Learn to recognise each on sight and recall the correct fix. Thu, 18 Jun 2026 00:00:00 GMT https://buildingai.in/blog/whats-new-in-java-and-ai https://buildingai.in/blog/whats-new-in-java-and-ai Blog Modern Java (21→25) brings virtual threads, structured concurrency, records, and the FFM API. Here's what's new and how it powers AI apps. Mon, 15 Jun 2026 00:00:00 GMT https://buildingai.in/learning/spring-ai-rag-vector-stores https://buildingai.in/learning/spring-ai-rag-vector-stores Learning Ground LLM answers in your own data with Spring AI: embeddings, vector stores, the ingestion and retrieval pipeline, and enterprise RAG patterns. Wed, 10 Jun 2026 00:00:00 GMT https://buildingai.in/learning/spring-ai-prompting-and-tools https://buildingai.in/learning/spring-ai-prompting-and-tools Learning Get reliable, typed output from Spring AI and let the model call your Java services with @Tool — the request loop and production guardrails. Wed, 10 Jun 2026 00:00:00 GMT https://buildingai.in/learning/spring-ai-production-architecture https://buildingai.in/learning/spring-ai-production-architecture Learning Take Spring AI to production: a reference architecture plus observability, caching, resilience, evals, security, and the anti-patterns to avoid. Wed, 10 Jun 2026 00:00:00 GMT https://buildingai.in/learning/spring-ai-overview https://buildingai.in/learning/spring-ai-overview Learning A complete Spring AI course for Java teams: setup, prompting, tool calling, RAG, MCP, choosing an LLM, and production architecture. Wed, 10 Jun 2026 00:00:00 GMT https://buildingai.in/learning/spring-ai-mcp-and-agents https://buildingai.in/learning/spring-ai-mcp-and-agents Learning Use the Model Context Protocol with Spring AI to expose and consume tools, then compose agentic workflows with loops, orchestration, and reliable control. Wed, 10 Jun 2026 00:00:00 GMT https://buildingai.in/learning/spring-ai-getting-started https://buildingai.in/learning/spring-ai-getting-started Learning Set up Spring AI, understand its provider-agnostic model, and make your first ChatClient calls — system prompts, options, and streaming, the Spring Boot way. Wed, 10 Jun 2026 00:00:00 GMT https://buildingai.in/learning/spring-ai-choosing-llms https://buildingai.in/learning/spring-ai-choosing-llms Learning Which LLM for which job, and how Spring AI integrates any provider behind one interface — Anthropic, OpenAI/Azure, Google, and local models. Wed, 10 Jun 2026 00:00:00 GMT https://buildingai.in/blog/context-engineering-llm-apps https://buildingai.in/blog/context-engineering-llm-apps Blog What you put in the context window matters more than prompt wording. A practical guide to context engineering — the budget, techniques, and failure modes. Wed, 10 Jun 2026 00:00:00 GMT https://buildingai.in/blog/ai-tools-which-to-use-when https://buildingai.in/blog/ai-tools-which-to-use-when Blog A decision guide to the AI tool landscape — what to use for coding, docs, slides, HLD/LLD, diagrams, UI/Figma, and websites, and how to choose. Wed, 10 Jun 2026 00:00:00 GMT https://buildingai.in/learning/claude-certified-architect-foundations https://buildingai.in/learning/claude-certified-architect-foundations Learning A complete, hands-on prep course for the Claude Certified Architect — Foundations exam: the five domains, curriculum with code, and a four-week plan. Tue, 09 Jun 2026 00:00:00 GMT https://buildingai.in/learning/cca-exam-scenarios https://buildingai.in/learning/cca-exam-scenarios Learning All six CCA Foundations exam scenarios mapped to the domains they test, the decisions probed, and the anti-patterns baked into the wrong answers. Tue, 09 Jun 2026 00:00:00 GMT https://buildingai.in/learning/cca-exam-cheatsheet https://buildingai.in/learning/cca-exam-cheatsheet Learning The CCA Foundations rapid-recall sheet: critical values, file locations, the 3 universal rules that answer ~80% of questions, and exam-day shortcuts. Tue, 09 Jun 2026 00:00:00 GMT https://buildingai.in/learning/cca-domain-5-context-reliability https://buildingai.in/learning/cca-domain-5-context-reliability Learning Exam-ready notes for CCA Foundations Domain 5 (15%): context-window management, escalation, error propagation, confidence calibration, and provenance. Tue, 09 Jun 2026 00:00:00 GMT https://buildingai.in/learning/cca-domain-4-prompt-structured-output https://buildingai.in/learning/cca-domain-4-prompt-structured-output Learning Exam-ready notes for CCA Foundations Domain 4 (20%): explicit criteria, few-shot prompting, JSON schemas, the Message Batches API, and prompt chaining. Tue, 09 Jun 2026 00:00:00 GMT https://buildingai.in/learning/cca-domain-3-claude-code-workflows https://buildingai.in/learning/cca-domain-3-claude-code-workflows Learning Exam-ready notes for CCA Foundations Domain 3 (20%): CLAUDE.md hierarchy, commands & skills, plan mode, CI/CD integration, and the CLI cheatsheet. Tue, 09 Jun 2026 00:00:00 GMT https://buildingai.in/learning/cca-domain-2-tool-design-mcp https://buildingai.in/learning/cca-domain-2-tool-design-mcp Learning Exam-ready notes for CCA Foundations Domain 2 (18%): tool descriptions as routing, structured errors, MCP config, tool distribution, and batching. Tue, 09 Jun 2026 00:00:00 GMT https://buildingai.in/learning/cca-domain-1-agentic-architecture https://buildingai.in/learning/cca-domain-1-agentic-architecture Learning Exam-ready notes for Domain 1 (27%) of the Claude Certified Architect — Foundations: the agentic loop, multi-agent orchestration, hooks, and recovery. Tue, 09 Jun 2026 00:00:00 GMT https://buildingai.in/learning/apigee-overview https://buildingai.in/learning/apigee-overview Learning A complete Apigee course: architecture, API proxies, policies & security, environments, CI/CD, and Apigee as an AI gateway — beginner to advanced. Tue, 09 Jun 2026 00:00:00 GMT https://buildingai.in/learning/apigee-fundamentals-architecture https://buildingai.in/learning/apigee-fundamentals-architecture Learning What an API gateway does and how Apigee is built: orgs, environments, proxies, the proxy/target flow pipeline, message processors, and where policies execute. Tue, 09 Jun 2026 00:00:00 GMT https://buildingai.in/learning/apigee-api-proxies https://buildingai.in/learning/apigee-api-proxies Learning Create an Apigee API proxy from scratch: proxy vs target endpoints, flows and conditional routing, route rules, the bundle structure, and how to test it. Tue, 09 Jun 2026 00:00:00 GMT https://buildingai.in/blog/tool-calling-with-spring-ai https://buildingai.in/blog/tool-calling-with-spring-ai Blog A hands-on guide to Spring AI tool calling — define @Tool methods, wire them into ChatClient, and let Claude safely call your Java services. Tue, 09 Jun 2026 00:00:00 GMT https://buildingai.in/learning/apigee-policies-security https://buildingai.in/learning/apigee-policies-security Learning Apigee policies: API keys, OAuth2 and JWT, quota and spike arrest, caching and mediation — plus the policy anti-patterns to avoid. Mon, 08 Jun 2026 00:00:00 GMT https://buildingai.in/learning/apigee-environments-deployment https://buildingai.in/learning/apigee-environments-deployment Learning How Apigee deploys: orgs, environments, environment groups, immutable revisions, per-environment config, and safe promotion from dev to prod. Mon, 08 Jun 2026 00:00:00 GMT https://buildingai.in/learning/apigee-cicd-pipelines https://buildingai.in/learning/apigee-cicd-pipelines Learning Automate Apigee delivery: proxies in git, lint and test bundles, build once, and promote through environments with apigeecli/Maven and integration tests. Sun, 07 Jun 2026 00:00:00 GMT https://buildingai.in/learning/apigee-ai-integration-best-practices https://buildingai.in/learning/apigee-ai-integration-best-practices Learning Use Apigee as an AI/LLM gateway — auth, quotas, token cost control, caching, and routing — plus the consolidated best practices and anti-patterns. Sun, 07 Jun 2026 00:00:00 GMT https://buildingai.in/blog/build-mcp-server-spring-ai https://buildingai.in/blog/build-mcp-server-spring-ai Blog Most MCP content is Python/TypeScript. Here's how to build an MCP server in Java with Spring AI — expose your services as tools any MCP client can use. Sun, 07 Jun 2026 00:00:00 GMT https://buildingai.in/blog/structured-outputs-with-claude https://buildingai.in/blog/structured-outputs-with-claude Blog Parsing JSON out of prose is a production liability. A practical guide to reliable, schema-conformant structured output from Claude, with Spring AI examples. Thu, 04 Jun 2026 00:00:00 GMT https://buildingai.in/learning/llm-observability-guide https://buildingai.in/learning/llm-observability-guide Learning How to instrument, monitor, and alert on LLM apps — distributed tracing, cost dashboards, quality metrics, and incident response for AI systems. Tue, 02 Jun 2026 00:00:00 GMT https://buildingai.in/blog/zero-to-production-llm-app https://buildingai.in/blog/zero-to-production-llm-app Blog A four-phase guide to taking an LLM prototype to a production enterprise app — RAG, caching, observability, cost control, and multi-model routing. Tue, 02 Jun 2026 00:00:00 GMT https://buildingai.in/blog/testing-ai-applications https://buildingai.in/blog/testing-ai-applications Blog A complete testing strategy for LLM apps — unit-testing prompts, building eval pipelines, regression-testing quality, and load-testing AI endpoints. Tue, 02 Jun 2026 00:00:00 GMT https://buildingai.in/blog/prompt-caching-llm-costs https://buildingai.in/blog/prompt-caching-llm-costs Blog A practical guide to Anthropic and OpenAI prompt caching — how it works and how to implement it in Spring AI to cut latency and API costs. Tue, 02 Jun 2026 00:00:00 GMT https://buildingai.in/blog/ai-system-resilience https://buildingai.in/blog/ai-system-resilience Blog Resilience patterns for production AI — circuit breakers, fallback chains, and graceful degradation so systems survive provider outages and rate limits. Tue, 02 Jun 2026 00:00:00 GMT https://buildingai.in/learning/rag-systems-explained https://buildingai.in/learning/rag-systems-explained Learning A complete guide to Retrieval Augmented Generation — how it works, why each component matters, and how to build production-grade RAG pipelines. Mon, 01 Jun 2026 00:00:00 GMT https://buildingai.in/learning/prompt-engineering-enterprise-guide https://buildingai.in/learning/prompt-engineering-enterprise-guide Learning A systematic approach to prompt engineering for production AI systems — covering system prompts, chain-of-thought, few-shot design, security, and evaluation. Mon, 01 Jun 2026 00:00:00 GMT https://buildingai.in/learning/llm-inference-explained https://buildingai.in/learning/llm-inference-explained Learning How large language models generate responses — from tokenisation to transformer attention — and what this means for building production AI systems. Mon, 01 Jun 2026 00:00:00 GMT https://buildingai.in/learning/anthropic-mcp-introduction https://buildingai.in/learning/anthropic-mcp-introduction Learning A practical guide to the Model Context Protocol — what it is, how it works, and why it matters for building interoperable enterprise AI systems. Mon, 01 Jun 2026 00:00:00 GMT https://buildingai.in/blog/spring-ai-enterprise-guide https://buildingai.in/blog/spring-ai-enterprise-guide Blog A practical guide to building enterprise-grade AI applications with Spring AI — from chat clients and RAG pipelines to production observability. Mon, 01 Jun 2026 00:00:00 GMT https://buildingai.in/blog/microservices-best-practices https://buildingai.in/blog/microservices-best-practices Blog Enterprise-grade practices for designing, deploying, and operating microservices systems that actually scale — from domain modelling to runtime resilience. Mon, 01 Jun 2026 00:00:00 GMT https://buildingai.in/blog/kafka-scalability-patterns https://buildingai.in/blog/kafka-scalability-patterns Blog Practical patterns for designing highly scalable Kafka-based enterprise systems — from partition strategy to consumer group tuning. Mon, 01 Jun 2026 00:00:00 GMT https://buildingai.in/blog/building-enterprise-ai-agents https://buildingai.in/blog/building-enterprise-ai-agents Blog Architecture patterns and best practices for building production-grade AI agents that scale — from orchestration to observability. Mon, 01 Jun 2026 00:00:00 GMT https://buildingai.in/blog/rag-chunking-strategies https://buildingai.in/blog/rag-chunking-strategies Blog Your RAG quality is capped by how you chunk. A practical comparison of fixed, recursive, semantic, and structural chunking, with sizing and overlap tips. Sun, 31 May 2026 00:00:00 GMT https://buildingai.in/blog/ai-gateways-enterprise https://buildingai.in/blog/ai-gateways-enterprise Blog As LLM usage spreads across an org, you need a control point. What an AI gateway is, the problems it solves, and the capabilities to look for. Thu, 28 May 2026 00:00:00 GMT https://buildingai.in/blog/evaluating-rag-ragas https://buildingai.in/blog/evaluating-rag-ragas Blog You can't improve a RAG system you can't measure. The metrics that matter — faithfulness, relevance, context precision and recall — and how to build an eval loop. Sun, 24 May 2026 00:00:00 GMT https://buildingai.in/blog/fine-tuning-vs-rag-vs-prompting https://buildingai.in/blog/fine-tuning-vs-rag-vs-prompting Blog Teams reach for fine-tuning when they need RAG, or RAG when a better prompt would do. A decision framework for choosing the right approach by problem type. Thu, 21 May 2026 00:00:00 GMT https://buildingai.in/blog/securing-llm-apps-guardrails https://buildingai.in/blog/securing-llm-apps-guardrails Blog LLM features open new attack surfaces — prompt injection, data leakage, unsafe tool use. A practical guardrails checklist for shipping AI to production safely. Sun, 17 May 2026 00:00:00 GMT