Long-form essays from the engineers shipping AI inside payers, hospitals, energy operators and proptech platforms. Written for technology leaders who care more about what runs in production than what trended last week.
Most QA metrics measure activity, not quality. How to pick metrics that predict escaped defects, like defect escape rate and coverage of risk, instead of test counts and cases run.
TestOps runs quality like an operations discipline: test infrastructure, data, environments, and flakiness managed as a system, so tests stay fast, reliable, and trusted at scale.
Shift-right testing uses real production signals to catch what pre-release testing cannot, without gambling in production. How to test in prod safely with observability and guardrails.
Shift-left testing moves quality earlier, but only works if the gates help developers instead of blocking them. How to design fast, trusted gates engineers do not resent.
The test pyramid still holds, but AI changed the economics of each layer. What generation, agents, and cheap tests mean for how you balance unit, integration, and end-to-end.
Risk-based testing spends your limited quality budget where failure costs most. How to weigh impact and likelihood so testing effort follows risk instead of habit.
Mutation testing checks whether your tests actually catch bugs by introducing deliberate faults and seeing if tests fail. How it exposes weak tests coverage never could.
Self-healing tests repair broken selectors when the UI changes, killing the maintenance that makes UI tests hateful, as long as healing does not quietly mask real bugs.
AI can generate tests fast, but coverage is not the same as protection. How to tell real coverage from confident noise by judging assertion quality, not test count.
A maturity model for autonomous testing, from scripted automation to self-healing to AI-generated to fully agentic, with the guardrails each level needs in a production team.
Agentic testing explained: AI agents that decide what to test, explore the app, and judge results, plus the oracle problem, guardrails, and human oversight it needs.
QA as a manual gate at the end is over. Quality engineering builds quality into the whole delivery process, a shift AI accelerated. What changes and why it sticks.
A rollout playbook for AI coding assistants in the enterprise: policy, licensing, security and IP, enablement, and measurement, so adoption is deliberate rather than accidental.
When team scale justifies the complexity tax of micro-frontends, and when it does not. An honest look at what you gain, what you pay, and how to decide.
Scaling a SaaS product past its first architecture, in the order that actually works. What breaks first, why the database usually goes before the app, and how to fix it in sequence.
Shipping AI features changes how PMs and engineers work: feasibility that is probabilistic, evaluation instead of pass or fail, and iteration on behavior. The process changes that stick.
How to implement product analytics your team actually trusts: a tracking plan, clean event data, and the governance that turns events into decisions instead of dashboards nobody believes.
Accessibility as an engineering discipline: how to meet WCAG by building it in from the start instead of a costly retrofit, with testing and culture that keep it.
Frontend performance is a revenue lever, not a nicety. How to set performance budgets, monitor real users, and build a culture that keeps the frontend fast.
How to run a design system as product infrastructure across brands and teams, with governance that keeps consistency without becoming a bottleneck that slows every team.
Product discovery for technical products means gathering evidence before the roadmap and killing bad ideas cheaply, so engineering builds what is validated, not what is assumed.
What a serious architecture review covers before you scale: scope, scalability, failure modes, security, and decisions recorded, so problems surface on paper not in production.
AI-generated code fails differently than human code. The defect patterns to watch, the review heuristics that catch them, and how to audit AI output at scale.
When AI writes much of the code, output stops signaling productivity. How to measure developer productivity by outcomes, flow, quality, and experience instead.
One long-form essay every other Wednesday. Written by the engineers shipping production AI for our clients, not by a content team. No promotional emails. Unsubscribe in one click.