Technical debt refers to the hidden cost of choosing a quicker, often suboptimal solution now—at the expense of long-term maintainability. Just like financial debt, it can grow over time and slow down progress.
Types of technical debt:
- Deliberate: “We’ll fix this later” decisions made to meet deadlines.
- Accidental: Result of poor design, inexperience, or lack of refactoring.
- Bit rot: Code becomes outdated or incompatible over time.
Symptoms:
- Features take longer to implement.
- Bugs are frequent in specific parts of the code.
- New developers struggle to onboard or understand existing logic.
Common causes:
- Tight deadlines.
- Poor documentation and lack of tests.
- Ignoring refactoring or code reviews.
How to manage technical debt:
- Identify and track it using issue labels or comments (e.g.,
// TODO: refactor
). - Include it in planning—allocate 10–20% of each sprint for refactoring or improvements.
- Prioritize based on impact—fix code that blocks new features first.
- Avoid accumulating more debt—invest in design, architecture, and team skill-building.
Technical debt isn’t always bad—it can help ship MVPs faster. But unmanaged debt can cripple agility and morale. Balance speed with code quality for long-term success.
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