Scaling reliable AI coding practices from individual developers to teams
Alex Merced, Benedikt Stemmildt

#Agentic
#Software
#AI
#Developers
#AI-TDD
#AEMM
Turn AI coding agents into a dependable, team-wide software factory using context engineering, AI-TDD, and harness design.
AI coding agents can generate code in seconds, but without the right engineering practices, they can also introduce bugs, technical debt, and inconsistent code. This book teaches you how to build reliable AI-assisted development workflows that scale from individual projects to entire teams, regardless of which coding assistant or model you use.
Rather than treating AI as a black box, you'll learn how AI coding agents work, why they succeed or fail, and how to build systems that consistently produce better results. You'll explore practical methods such as context and harness engineering, along with reusable frameworks such as AEMM, Elastic Loop, and Context Diseases, which you can apply to any development workflow.
You'll also learn how to write better specifications, use AI-TDD to improve code quality, build development harnesses that guide AI agents, and choose the right level of autonomy for different tasks. The book also covers AI security, team adoption, and how to scale from individual AI-assisted development to a software factory where multiple AI workflows work together.
By the end of this book, you'll understand how to move beyond vibe coding and adopt a disciplined, practical approach to AI-driven software development.
This book is for mid-level and senior developers, tech leads, and engineering managers who want to use AI coding agents effectively without sacrificing software quality. Readers should know version control, testing, CI/CD, and at least one modern programming language. No AI or machine learning experience is required.
Part 1: Foundations
Chapter 1: Beyond Vibe Coding
Chapter 2: The Anatomy of an Agent
Part 2: The Three Disciplines and the Harness
Chapter 3: Curating Context
Chapter 4: Shaping Intent
Chapter 5: Closing Loops
Chapter 6: The Complete Harness
Part 3: Scaling the Harness
Chapter 7: The Autonomy Spectrum
Chapter 8: Security and Safety
Chapter 9: The Team Operating Model
Chapter 10: The Developer's New Identity
Part 4: The Pinnacle Thesis
Chapter 11: The Software Factory
Chapter 12: Appendix: Review Questions and Answers by Chapter
Chapter 13: Unlock Your Exclusive Benefits
Alex Merced is the Head of DevRel at Dremio with experience as a developer and instructor. His professional journey includes roles at GenEd Systems, Crossfield Digital, CampusGuard, and General Assembly. He co authored Apache Iceberg The Definitive Guide published by OReilly and has spoken at notable events such as Data Day Texas and Data Council. Alex is passionate about technology, sharing his expertise through blogs, videos, podcasts like Datanation and Web Dev 101, and contributions to the JavaScript and Python communities with libraries like SencilloDB and CoquitoJS.
Benedikt Stemmildt is Co-Founder and Co-CEO of hackers&wizards, a Hamburg-based consultancy helping engineering teams adopt agentic software engineering practices. With 20+ years of enterprise architecture experience at OTTO, Breuninger, and BLUME 2000, he brings deep engineering foundations to the AI transition. As Program Chair for code.talks (3,000+ attendees) and a speaker at 40+ conferences, Benedikt has trained and mentored hundreds of engineers on context engineering, AI-TDD, and team-level AI adoption. His clients include Porsche, Vorwerk, Zalando, and other Fortune 500 companies.









