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<\/p>\nMany people have tried AI tools and walked away unimpressed. I get it \u2014 many demos promise magic, but in practice, the results can feel underwhelming.<\/p>\n
That\u2019s why I want to write this not as a futurist prediction, but from lived experience. Over the past six months, I turned my engineering organization AI-first. I\u2019ve shared before about the system behind that transformation \u2014 how we built the workflows, the metrics, and the guardrails. Today, I want to zoom out from the mechanics and talk about what I\u2019ve learned from that experience \u2014 about where our profession is heading when software development itself turns inside out.\u00a0<\/p>\n
Before I do, a couple of numbers to illustrate the scale of change. Subjectively, it feels that we are moving twice as fast. Objectively, here\u2019s how the throughput evolved. Our total engineering team headcount floated from 36 at the beginning of the year to 30. So you get ~170% throughput on ~80% headcount, which matches the subjective ~2x.\u00a0<\/p>\n
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Zooming in, I picked a couple of our senior engineers who started the year in a more traditional software engineering process and ended it in the AI-first way. [The dips correspond to vacations and off-sites]:<\/p>\n
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Note that our PRs are tied to JIRA tickets, and the average scope of those tickets didn\u2019t change much through the year, so it\u2019s as good a proxy as the data can give us.\u00a0<\/p>\n
Qualitatively, looking at the business value, I actually see even higher uplift. One reason is that, as we started last year, our quality assurance (QA) team couldn\u2019t keep up with our engineers’ velocity. As the company leader, I wasn\u2019t happy with the quality of some of our early releases. As we progressed through the year, and tooled our AI workflows<\/a> to include writing unit and end-to-end tests, our coverage improved, the number of bugs dropped, users became fans, and the business value of engineering work multiplied.<\/p>\n From big design to rapid experimentation<\/p>\n Before AI, we spent weeks perfecting user flows before writing code. It made sense when change was expensive. Agile helped, but even then, testing multiple product ideas was too costly.<\/p>\n Once we went AI-first, that trade-off disappeared. The cost of experimentation collapsed. An idea could go from whiteboard to a working prototype in a day: From idea to AI-generated product requirements document (PRD), to AI-generated tech spec, to AI-assisted implementation.\u00a0<\/p>\n It manifested itself in some amazing transformations. Our website\u2014central to our acquisition and inbound demand\u2014is now a product-scale system with hundreds of custom components, all designed, developed, and maintained directly in code by our creative director<\/a>.\u00a0<\/p>\n Now, instead of validating with slides or static prototypes, we validate with working products. We test ideas live, learn faster, and release major updates every other month, a pace I couldn\u2019t imagine three years ago.<\/p>\n For example, Zen CLI was first written in Kotlin, but then we changed our mind and moved it to TypeScript with no release velocity lost.<\/p>\n Instead of mocking the features, our UX designers and project managers vibe code them. And when the release-time crunch hit everyone, they jumped into action and fixed dozens of small details with production-ready PRs to help us ship a great product. This included an overnight UI layout change.<\/p>\n From coding to validation<\/p>\n The next shift came where I least expected it: Validation.<\/p>\n In a traditional org, most people write code and a smaller group tests it. But when AI generates much of the implementation, the leverage point moves. The real value lies in defining what \u201cgood\u201d looks like \u2014 in making correctness explicit.<\/p>\n We support 70-plus programming languages and countless integrations. Our QA engineers have evolved into system architects. They build AI agents that generate and maintain acceptance tests directly from requirements. And those agents are embedded into the codified AI workflows that allow us to achieve predictable engineering outcomes by using a system.<\/p>\n This is what \u201cshift left\u201d really means. Validation isn\u2019t a stand-alone function, it\u2019s an integral part of the production process. If the agent can\u2019t validate it\u2019s work, it can\u2019t be trusted to generate production code. For QA professionals, this is a moment of reinvention, where, with the right upskilling, their work becomes a critical enabler and accelerator of the AI adoption<\/a>.\u00a0<\/p>\n Product managers, tech leads, and data engineers now share this responsibility as well, because defining correctness has become a cross-functional skill, not a role confined to QA.<\/p>\n From diamond to double funnel<\/p>\n For decades, software development followed a \u201cdiamond\u201d shape: A small product team handed off to a large engineering team, then narrowed again through QA.<\/p>\n Today, that geometry is flipping. Humans engage more deeply at the beginning \u2014 defining intent, exploring options \u2014 and again at the end, validating outcomes. The middle, where AI executes, is faster and narrower.<\/p>\n It\u2019s not just a new workflow; it\u2019s a structural inversion.<\/p>\n The model looks less like an assembly line and more like a control tower. Humans set direction and constraints, AI handles execution at speed, and people step back in to validate outcomes before decisions land in production.<\/p>\n Engineering at a higher level of abstraction<\/p>\n Every major leap in software raised our level of abstraction \u2014 from punch cards to high-level programming languages, from hardware to cloud. AI is the next step. Our engineers now work at a meta-layer: Orchestrating AI workflows, tuning agentic instructions and skills, and defining guardrails. The machines build; the humans decide what and why.<\/p>\n Teams now routinely decide when AI output is safe to merge without review, how tightly to bound agent autonomy in production systems, and what signals actually indicate correctness at scale, decisions that simply didn\u2019t exist before.<\/p>\n And that\u2019s the paradox of AI-first engineering \u2014 it feels less like coding, and more like thinking. Welcome to the new era of human intelligence, powered by AI.<\/p>\n Andrew Filev is founder and CEO of Zencoder <\/p>\n Welcome to the VentureBeat community!<\/p>\n Our guest posting program is where technical experts share insights and provide neutral, non-vested deep dives on AI, data infrastructure, cybersecurity and other cutting-edge technologies shaping the future of enterprise.<\/p>\n Read more<\/a> from our guest post program \u2014 and check out our guidelines<\/a> if you\u2019re interested in contributing an article of your own!<\/p>\n","protected":false},"excerpt":{"rendered":"Many people have tried AI tools and walked away unimpressed. 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