Engineers who only understand the technology, and never the business it serves, hit a ceiling early. The best ones develop commercial awareness — a real sense of how value is created, funded, and sold. Two days at 21BY72 Season 4, one of Bharat's leading startup summits — eighty-five ventures on the floor and live pitches in front of six hundred investors — was a concentrated lesson in exactly that, and I wrote about it in this reflection.
Technology is a means; the business is the point
It's easy, as an engineer, to treat the product as the whole world and the commercial side as someone else's problem. Sitting in a room where eighty-five ventures pitched to investors makes the truth obvious: the technology is a means to a business end, and understanding that end makes you a better engineer, not a distracted one.
Watching founders pitch — being judged not on how clever the build was but on whether it solved a real problem people would pay for — reframes how you think about your own work. It pushes you to ask "who is this for and why does it matter" before "how do I build it."
What the summit floor teaches an engineer
- Investors buy problems solved, not features built. The pitches that landed were about a real need and a credible path to meeting it — a discipline that improves engineering priorities directly.
- Commercial context sharpens technical decisions. When you understand the business constraints — cost, speed to market, who the customer actually is — you make better trade-offs in the architecture, not worse ones.
- Exposure recalibrates ambition. Being around people building real ventures at scale resets your sense of what's possible and what "serious" looks like.
The takeaway
The most rounded engineers I've come to admire pair technical depth with genuine commercial awareness. Spending two days inside a major startup summit, watching how businesses are pitched, funded, and built, was a deliberate investment in the half of the picture that a pure engineering education tends to leave out.
The full account of the two days is on the page below.
👉 Read it: www.divyakush.com/insights/startup-summit
Divyakush Punjabi — Full-Stack & AI Systems Engineer
🌐 https://www.divyakush.com · 💼 LinkedIn · 💻 GitHub
