By Dean O'Meara · Founder, Wrapt
If you are a non-technical founder, you have probably heard your developers mention technical debt. Maybe they said the codebase needs "refactoring." Maybe they warned that adding a new feature will take longer than expected because of "legacy code." It can feel like an excuse or a vague complaint. But technical debt is real, it is measurable, and if you ignore it long enough, it will slow your startup to a crawl. Here is a plain-English guide to what it means and what you should do about it.
Think of it like financial debt. When you take a shortcut in code to ship faster, you are borrowing against the future. The shortcut works now, but it makes future changes harder, slower, and more likely to break things. Every startup takes on some technical debt. It is often the right decision. Shipping a rough version this week is usually better than shipping a perfect version next month. The problem is when the debt compounds and nobody pays it down. Like credit card debt, the interest keeps growing. What used to take a day starts taking a week. New features introduce bugs in unrelated parts of the product. Developers spend more time fixing things than building things.
Technical debt directly affects your ability to compete. When your product is fast to change, you can react to customer feedback, test new ideas, and fix problems quickly. When technical debt is high, everything slows down. Feature requests take twice as long. Bug fixes create new bugs. Your developers feel frustrated and demoralised. In the worst cases, the codebase becomes so fragile that major parts need to be rewritten from scratch. That rewrite can take months and produces no visible progress to customers or investors. It is the startup equivalent of paying off a loan instead of investing in growth.
You do not need to understand the codebase to spot technical debt. Watch for these signs. Features that used to take days now take weeks. Bugs keep appearing in areas of the product that nobody changed. Developers are reluctant to touch certain parts of the system. Estimates for "simple" changes are surprisingly high. The same bug gets fixed and then comes back. If you are hearing phrases like "we need to refactor this before we can add that," it means the debt has reached a point where it is blocking progress. That is the moment to take it seriously.
Not all technical debt is bad. Sometimes it is the right trade-off. If you are testing a new feature with a handful of users, building it perfectly is a waste of time. Ship the rough version, see if people use it, and then invest in doing it properly. If you are racing to close a funding round and need to hit a demo deadline, shortcuts are justified. The key is awareness. Know that you are taking on debt, write it down, and plan to address it. Accidental debt, the kind that builds up because nobody is paying attention, is the dangerous kind.
Create a culture where developers feel safe raising technical debt without it being seen as complaining. Add it to your sprint planning. A common approach is the "20% rule": dedicate roughly 20% of engineering time to paying down debt and improving the codebase. This is not time wasted. It is an investment in speed. A team that regularly addresses technical debt will ship faster over time than a team that ignores it. Ask your developers to maintain a simple list of known debt items, ranked by impact. Not everything needs fixing immediately. But the items that slow down the most common workflows should be prioritised.
Sit down with your developers and ask them honestly: where is our technical debt the worst, and what would it cost to fix it? Do not expect a number in hours. Expect a conversation about trade-offs. Some debt is cheap to fix and high impact. Start there. Some debt is expensive to fix but only affects edge cases. Leave that for later. The goal is not zero technical debt. That is impossible and would mean you are shipping too slowly. The goal is manageable debt that does not prevent you from building what matters. Treat it like financial debt: some is strategic, some is accidental, and all of it needs to be tracked and gradually reduced.