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How to Get Your Technical Debt Under Control

Pradeep MishraMar 10, 2022

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Unless you live in la-la land with a dream team of developers who write perfect code, it is impossible to avoid technical debt. It is a natural by-product of fast-paced development of any SaaS product.

As developers, we always have to choose between delivering on time and delivering with perfect code. It's a trade-off. In most cases, we choose to deliver on time, with a promise to deal with the byproduct later.

Technical debt also occurs because of reasons such as:

  • Change in technology
  • Development of annual frameworks and libraries
  • Non-maintenance of codebase or libraries
  • Introduction of new product features
  • Addition of a new workforce to an existing project to ship faster
  • Need for frequent releases and pressure of timeline

And so, technical debt accumulates. We can either ignore it until it snowballs into something massive or fix some of it to reduce its impact on current and future development.

I have seen teams try to figure out everything from the beginning so there is no minimum tech debt. But in an environment where delivery time matters, slowing down development could cause companies to lose opportunities or customers to competitors.

It makes more sense to come to peace with the fact that there will always be some technical debt. Acknowledging this and then defining some best practices to manage technical debt effectively can reduce its impact on your product.

10 Ways to Manage Your Technical Debt

1. Opt for Modular and Extensible Architecture

An excellent way to start a new project is by adopting an extensible architecture. This involves accounting for all our current requirements while extending the project to add new features in the future without any rewriting.

Start with identifying the various modules based on their functionalities. Develop each module so it is independent and does not affect the working of other modules. However, all the modules should be loosely coupled. By doing this, you can easily break the project into multiple microservices and scale them individually if the need arises.

2. Develop Only What is Required

To build a product or its modules with more flexibility (or to make the next release easy), developers may load it with extra functionalities. This is only effective if you are sure about the future requirements, which is never the case. These added functionalities build up over time, increasing your technical debt.

3. Plan Your Trade-Offs Carefully

Pick what matters the most. For long-term projects that have a high return on investment, carefully consider the design and implementation and minimize technical debt as much as possible. If delivery is the top priority and efforts to build are low, you can knowingly create some debt you can fix later.

4. Never send POC to production

Before developing a new feature or a product, developers build a proof of concept (POC) to check its feasibility or to convey the idea. If the POC is accepted, the feature is included in the road map.

At times, especially when it is working as expected, it is very tempting to put this POC into production.

However, that is a bad idea. A POC is just what it says: a concept, not a complete solution. While developing a POC, we rarely think of all use cases or scenarios because the focus is on writing the code to get desired results quickly. That code is never meant for production, and writing tests around it usually doesn't work. Most of the time, POCs don’t have proper structures, error handling, data validation or extensibility. Use it as a reference and only deploy a complete production solution.

5. Write Code With Proper Documentation

Good code with proper documentation offers multiple benefits, including quick handoff to others, increased reusability and reduced time to build more on top of your code.

There are two types of documentation: within your code and about your code. Both are equally important.

Some examples of documentation within your code are:

  • Function signature
  • Instructions for users
  • Descriptions explaining confusing or complex pieces of code
  • To-dos for future reconsideration
  • Notes for yourself
  • Comments about recent changes

Examples of documentation about your code include:

  • Readme files
  • APIs reference
  • How-to guides
  • FAQs

6. Request Early Code Freezes

Frequent releases (often with limited resources) are major contributors to the accumulation of technical debt. To meet tight deadlines, developers add hard-coded values or resort to quick fixes in codes. And there are always last-minute requirements or requests for change in functionalities. Over time, these quick fixes lead to performance, stability and functional issues.

A good way to deal with this is to introduce a process for early code freeze, so developers can focus on improving code quality and stability instead of adding code until the last minute.

7. Add Technical Debt in Sprint

Eliminating technical debt all at once is not feasible. Product managers are not likely to commit extensive resources since it adds no direct or immediate value to customers. At the same time, developers want to spend more time developing something concrete, from scratch, instead of reworking on the same code.

But there is a practical way out: Create a healthy backlog of debt items and a road map (with timeline) to replace the code's hard-coded, unoptimized and quick-fix scenarios. Add stories to every sprint so you can fix these debt items gradually and in a more organized way.

8. Version Your Code

Your code will likely change as you add new features to your application. One of the best ways to track and maintain these changes is to version your code.

You can create incremental code through versioning, leave behind some old code, introduce breaking changes through newer versions, give users access to multiple versions and stop support for older versions. All of this is in your control.

Versioning is probably the best process through which your code evolves. It is also the preferred way in the SaaS world to shape (or reshape) your product over time without piling up a lot of baggage from the legacy code.

9. Refactoring is Your Friend

Refactoring is the ultimate weapon in your fight against tech debt. How often you need to refactor the code is up to you, but doing this regularly is essential. Make sure you version your changes while refactoring. This keeps your code organized.

10. Balance is Key

Technical debt is okay as long as it's intentional and strategic and not the result of poor codes and design. As developers, our aim should always be to balance it and cushion its blow to the product.

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