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Understanding Technical Debt in SaaS

When shopping for a software-as-a-service (SaaS) solution, you might think about features, price, ease of use, and vendor reputation. But one aspect that often goes unnoticed—yet can profoundly affect your experience as a customer — is technical debt. Although it might sound like an insider concept reserved for software developers, understanding the basics of technical debt can help decision-makers (like you) choose a SaaS solution that doesn’t just work well now but also remains innovative, reliable, and scalable for years to come.

In this article, we’ll break down the idea of technical debt in a way that’s understandable for non-technical audiences, explain why it’s particularly important in the SaaS world, and offer guidance on evaluating a SaaS provider’s approach to managing their technical debt. By the end, you’ll have practical insights to help you pick a SaaS solution that can adapt and innovate — free of crippling technical baggage.

What is technical debt?

The term “technical debt” refers to the accumulation of suboptimal design choices, shortcuts, or outdated technology within a software system. It is often the result of prioritizing speed over quality during development. Think of it like a home renovation: cutting corners to complete a project quickly might save time and money in the short term, but those choices can lead to costly repairs and limitations down the road.

In the context of SaaS, technical debt arises from:

  • Rushed development: Launching features quickly to meet market demands.
  • Legacy code: Carrying outdated code that is hard to update or maintain.
  • Insufficient testing: Skipping rigorous testing to meet deadlines.
  • Integration complexity: Adding layers of code to work around compatibility issues.

When you think of “debt” in financial terms, you might imagine loans that eventually need to be paid back with interest. Technical debt follows a similar logic: if it isn’t addressed, it can grow, becoming more costly and resource-intensive to fix. And much like overdue financial debt, ignoring technical debt can lead to bigger issues and missed opportunities down the road. A recent article in the Wall Street Journal suggests the cost to address technical debt in the US is estimated at $1.52 trillion.

Why technical debt matters in the SaaS world

In the traditional world of on-premises software, customers often deal with one big release every so often, and then move on until the next major upgrade or patch. With SaaS, however, the provider manages the software, hosts it in the cloud, and frequently rolls out updates and new features. This continuous delivery model has plenty of benefits: you, as the customer, always have the latest version, and you don’t need to worry about installation or maintenance on your end.

Yet this same cycle of frequent updates and rapid innovation can create ongoing pressure on the development teams. They are constantly racing to release new features, address bugs, and stay ahead of competitors. Under tight timelines, the risk of accumulating technical debt can be higher. If updates and new features are consistently built upon shaky foundations or quick fixes, technical debt will grow rapidly.

When technical debt in a SaaS platform grows unchecked, it can eventually lead to:

  • Stagnated innovation:
    • High levels of technical debt make it harder to implement new features or upgrade existing ones.
    • Developers spend more time fixing old issues than building new capabilities.
  • Frequent downtime:
    • Code riddled with quick fixes becomes more prone to errors and crashes.
  • Increased costs:
    • Maintaining a codebase with high technical debt requires more resources.
    • Fixing bugs and addressing compatibility issues becomes disproportionately expensive.
  • Decreased reliability and security:
    • Systems with excessive technical debt are more prone to outages, performance issues, and security vulnerabilities.
  • Talent retention:
    • Developers prefer working on innovative, well-maintained systems. A software platform burdened with technical debt can lead to lower job satisfaction and higher turnover.

How technical debt affects SaaS providers

Limited agility. One of the biggest selling points of a SaaS business is its ability to pivot quickly, add new features, and respond to market changes. However, high levels of technical debt limit how fast the provider can adapt. For example, a sudden shift in market demand might call for a brand-new capability or integration. But if the software is bogged down by legacy code (old and outdated parts of the software), implementing such changes could be an uphill battle — time-consuming, expensive, and fraught with risk.

Financial strain. Carrying significant technical debt often forces the SaaS provider to invest heavily in “cleanup” projects or rewrites. This can result in budget headaches and divert resources away from innovation. High technical debt also reduces the financial flexibility to scale the infrastructure, acquire new technology, or hire additional talent, since so much of the budget goes into patching or band-aiding existing systems.

Reputational risks. If a SaaS platform suffers recurring outages, persistent glitches, or security issues (even though we’re not focusing on security here, it’s worth noting that messy code can sometimes leave unintended cracks), customers start to question the overall reliability of the product. Negative reviews and online complaints can seriously harm a provider’s reputation. Once trust erodes, it’s challenging to win it back — customers might begin looking elsewhere for a more stable or forward-thinking solution.

Employee burnout. It’s not just the software that feels the strain — people do too. Developers working on a codebase riddled with technical debt often find their jobs more frustrating. There’s nothing more demotivating than constantly trudging through old code that breaks easily or is impossible to maintain. High turnover can follow, and finding new developers willing to take on a high-debt codebase can also be challenging. This further compounds the problem, creating a cycle where the product becomes harder and more expensive to maintain.

How technical debt affects SaaS customers

Unreliable software experience. Have you ever used a service that seemed slow or buggy, and then, even after an “update,” it never really improved? Technical debt can be the culprit behind these rocky experiences. While you may not see the messy behind-the-scenes code, you’ll certainly notice the symptoms: frequent error messages, occasional downtime, or subpar performance.

Delayed or stagnant feature rollouts. Most SaaS providers promise ongoing improvements and a constant stream of new features. However, if the product is weighed down by significant technical debt, launching new and exciting functions becomes increasingly difficult. As a customer, you may find yourself waiting months — or even years — for promised features, only to watch smaller, more agile competitors enter the market with similar solutions that perform better and evolve faster.

Higher costs in the long run. A common misconception is that the purchasing cost is the only cost to consider. But technical debt can lead to increased total cost of ownership for SaaS solutions, even if you don’t pay for maintenance directly. For example, your team might need more support from the vendor’s customer service, more training to work around quirks in the system, or even require additional complementary software to fill functionality gaps. Those “hidden” expenses add up — especially if your SaaS vendor eventually raises prices to fund a large-scale rewrite of the platform.

Missed opportunities for growth. If your business depends on the SaaS provider’s platform to stay competitive, the provider’s inability to keep up with evolving market needs could directly affect your growth. In other words, the technical debt of your SaaS vendor can become your technical handicap. You might lose out on new automation opportunities, integrations with other systems, or the ability to leverage the latest technological trends — simply because your SaaS solution can’t keep up.

The cost of ignoring technical debt

Some companies take a “don’t ask, don’t tell” approach to technical debt, hoping it won’t become a problem. However, ignoring technical debt usually means it gets worse. Over time, the interest on that “debt” compounds, and the cost of addressing it grows exponentially.

One day, the SaaS provider might face a crisis: the product becomes so fragile and slow to improve that the only viable solution is a massive overhaul — like gutting the entire system and rewriting it from scratch. Such a reboot can be a nightmare for both the provider and their customers, leading to disruptions in service, changes to the user interface, new bugs, and potentially months (or even years) of instability. Even if you, as a customer, aren’t directly paying for that overhaul, you’re certainly feeling its effects in downtime, lost productivity, and a product that’s lagging in innovation.

The competitive advantage of lower technical debt

Faster innovation. A SaaS provider with minimal technical debt can introduce new features, integrations, and improvements far more swiftly than one that’s constantly bogged down by cleanup projects. A provider that can adapt quickly to emerging trends, regulatory changes, or technological advancements will be a better partner in the long run, helping you stay ahead of the competition.

Better performance and stability. Lower technical debt typically means a cleaner, more maintainable codebase. This often results in fewer bugs, faster performance, and more reliable service. As a customer, you’ll enjoy a smoother experience, less downtime, and more consistent support. Over time, that translates to increased user satisfaction and decreased frustration across your organization.

Clearer product roadmaps. When a provider doesn’t have to spend an inordinate amount of time fixing “old code,” they can focus on forward-thinking initiatives. This fosters more transparent and reliable product roadmaps. If you can see exactly where the software is headed in terms of new features or enhancements — and trust that the provider can deliver on those commitments — you can plan your own growth strategies and internal processes accordingly.

Reduced risk for you. Although no software is immune to issues, partnering with a SaaS provider that has lower technical debt generally means fewer sudden disruptions. You also face less risk of being left with a dead-end solution if the provider decides that the code is too complicated or expensive to maintain and abandons it. Essentially, choosing a SaaS solution with lower technical debt is like investing in a more robust foundation; it’s less likely to crumble under future pressures.

Key indicators a SaaS provider is managing technical debt effectively

For non-technical decision-makers, determining whether a SaaS provider has high or low technical debt can be tricky. After all, you’re not diving into their code. However, here are some non-technical clues that can help you gauge whether a company is managing technical debt effectively:

Frequent and seamless updates:  Does the provider roll out updates regularly, without causing major disruptions or downtime? Consistent, incremental improvements are often a sign of a well-maintained system.

Clear and realistic roadmaps: Does the SaaS company communicate an upcoming roadmap of features and enhancements? More importantly, do they usually deliver on schedule? Meeting deadlines and announcements consistently can indicate lower technical debt.

Accessible documentation and training: Is there quality documentation that’s up to date? Are training materials updated frequently alongside new releases? A provider that effectively manages technical debt is more likely to keep these materials fresh and relevant because their development process is more structured.

Stable performance and uptime: Look at historical uptime or reliability metrics that the vendor provides. Providers with excessive technical debt often struggle to keep the lights on reliably.

Customer testimonials and case studies: Previous or current customers can offer insights into the provider’s ability to evolve the product over time. Ask about overall satisfaction with the speed of innovation and quality of updates.

Willingness to discuss technical debt: While many companies don’t use the term “technical debt” openly, you might ask them how they ensure quality and maintainability in the long run. If they have thoughtful responses — mentioning internal code reviews, refactoring, or planning time for improvements — that’s usually a good sign.

Making technical debt part of your evaluation criteria

Technical debt is not always visible at first glance, but there are ways to assess a SaaS provider’s approach to managing it. Here are some key steps and questions to guide your evaluation:

Ask about their development practices:

  • Does the provider have a clear roadmap for addressing technical debt?
  • Do they follow modern development methodologies like Agile or DevOps?
  • How often do they refactor their codebase?

Evaluate their release cadence:

  • Frequent, high-quality updates indicate that the provider is actively managing technical debt and prioritizing innovation.
  • Long gaps between updates or frequent emergency patches can signal unresolved debt.

Review their support and performance track record:

  • How often do customers report performance issues or outages?
  • Does the provider have a history of resolving issues promptly and effectively?

Look for transparency:

  • Providers that openly discuss technical challenges and their efforts to address them are more likely to have a proactive approach to managing debt.

Assess integration and scalability:

  • Test how easily the platform integrates with your existing tools and systems.
  • Inquire about the provider’s scalability and plans for future growth.

Engage with their customers:

  • Reach out to current customers to understand their experience with the platform.
  • Ask about performance, innovation, and the provider’s responsiveness to feedback.

Technical debt might not be visible at first glance, but it’s one of the most critical factors in determining the long-term success of a SaaS solution. By incorporating questions about release frequency, roadmap transparency, backward compatibility, and overall product stability into your vendor evaluations, you gain a hidden but powerful lens to judge a provider’s capacity for sustainable innovation. Make it part of your selection criteria, and you’ll be on your way to choosing a software partner that can innovate with you — rather than hold you back — on the journey ahead.

This article originally appeared on The Imaging Channel.