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Previous Issues of
The Modern Engineer

Issue #23: AI Cost Engineering for Local Inference
Issue #23: AI Cost Engineering for Local Inference
April 11, 2026
Build a local-first inference gateway with exact cache keys, per-tenant budget reservation, sync-vs-batch routing, deferred execution, and measurable cost controls in C#.
Issue #22: Prompt Versioning and A/B Evaluation
Issue #22: Prompt Versioning and A/B Evaluation
April 4, 2026
Build a local-first prompt experiment harness with frozen eval cases, deterministic scoring, live LM Studio execution, and evidence-based prompt promotion.
Issue #21: Production Reliability Engineering for AI APIs
Issue #21: Production Reliability Engineering for AI APIs
March 28, 2026
Build a local-first inference gateway with deterministic rate limiting, queue backpressure, retries, timeouts, circuit breakers, fallback routing, and measurable runtime reliability metrics.
Issue #20: Production Memory Architecture for AI Systems
Issue #20: Production Memory Architecture for AI Systems
March 21, 2026
Build a local-first memory architecture with deterministic write guardrails, bounded retrieval, context budgeting, and evidence-only answers.
Issue #19: Deterministic Context Budgeting for Reliable LLM Prompting
Issue #19: Deterministic Context Budgeting for Reliable LLM Prompting
March 14, 2026
Build a deterministic context budgeting pipeline that prioritizes required evidence, enforces token limits, and composes inspectable prompts.
Issue #18: Structured Inputs and Outputs for Deterministic LLM Systems
Issue #18: Structured Inputs and Outputs for Deterministic LLM Systems
March 7, 2026
Use structured JSON inputs and outputs to make LLM systems predictable with typed parsing, validation, and deterministic routing.
Issue #17: Deterministic Semantic Retrieval with Embeddings and Vector Search
Issue #17: Deterministic Semantic Retrieval with Embeddings and Vector Search
February 28, 2026
Learn the core AI pattern for semantic retrieval with embeddings as representation, deterministic vector ranking, thresholded control, and optional pgvector scaling.
Issue #16: Production-Grade AI Agents with Microsoft Agent Framework and Deterministic Guardrails
Issue #16: Production-Grade AI Agents with Microsoft Agent Framework and Deterministic Guardrails
February 21, 2026
Build a local-first incident triage agent with Microsoft Agent Framework using structured workflows, deterministic policy enforcement, and explicit runtime guardrails.
Issue #15: Spec-Driven AI-Assisted Coding and Agent Control
Issue #15: Spec-Driven AI-Assisted Coding and Agent Control
February 14, 2026
Spec-driven AI-assisted coding treats specifications as execution contracts, constraining agent behavior for predictable, production-grade outcomes.
Issue #14: Intent Routing and Deterministic AI Control Flow
Issue #14: Intent Routing and Deterministic AI Control Flow
February 7, 2026
Build a local-first .NET intent router that keeps routing, tools, and safety deterministic while using embeddings only for disambiguation under controlled thresholds.

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