Picture this: You’ve poured countless hours into finding the perfect developer—someone brilliant, driven, and exactly who your team needs. But within a year, they’re gone. Sounds familiar? It’s a gut-wrenching experience that’s become all too common in today’s tech world. The brutal truth is that losing top talent isn’t just frustrating; it’s financially crippling.

Attracting top developers is only part of the equation; retaining them is where the real challenge lies. High turnover rates among software developers are more than just a nuisance—they disrupt operations, drain resources, and demoralise teams. It's time to stop viewing this as a routine issue and recognize it as a full-blown crisis. As we delve into this issue, it’s crucial to grasp the full impact of developer turnover and why every organisation must prioritise addressing it not only to survive but to thrive.

Alarming Turnover Statistics
According to recent reports, the technology industry experienced an employee turnover rate of 18.3% in 2022, significantly higher than many other sectors. While specific data for software developers can vary, recent studies indicate persistently high turnover rates in the tech industry. According to a 2023 report by Gartner, IT employee turnover is projected to be 13.8% higher than before the COVID-19 pandemic. This trend is even more pronounced in the software development sector. A 2023 study by iCIMS found that the tech industry experiences 18% higher turnover compared to other sectors. Furthermore, a 2022 Stack Overflow Developer Survey revealed that 74% of technologists are looking for a job now or are open to new opportunities. This indicates a significant portion of the developer workforce is potentially at risk of turnover.

A Fortune Lost: The Financial Impact of Developer Turnover
The financial toll of developer turnover is immense, hitting companies hard in recruitment, training, and lost productivity. Let's break down these costs to grasp their true impact:

Recruitment Costs: The process of finding a new developer is expensive. It includes job postings, agency fees, and the time HR spends on interviews. These costs can amount to 30-50% of the developer’s annual salary. For a developer earning $100,000, that’s roughly $40,000 spent just to fill the position.

Training Costs: Once hired, onboarding and training a new developer is another significant expense. Familiarising them with tools, systems, and company culture typically takes 3 to 9 months, costing around 20-30% of their annual salary—about $25,000 in our example.

Productivity Losses: The biggest financial hit comes from the time it takes for the new developer to reach full productivity. This can result in losses of 50-70% of their annual salary, or approximately $60,000.

These figures underscore the urgent need for companies to develop strategies to reduce turnover and its financial strain.

The Ripple Effect of Developer Turnover
Developer turnover is a silent saboteur, wreaking havoc beyond the obvious financial toll. When top talent walks out the door, they take more than just their skills with them. They carry away invaluable knowledge and expertise, leaving behind a gaping hole in a company's operations. Replacing that knowledge is no easy feat; it can take months to backfill, creating bottlenecks and slowing down progress.

The damage doesn't stop there. The remaining team often feels the strain of picking up the slack. Overworked and stressed, they're more likely to burn out or follow their departed colleagues out the door, creating a vicious cycle of loss and frustration.
The bottom line? Developer turnover is a serious problem that can't be ignored. It's a ticking time bomb for productivity, profits, and morale.

In our next post, we'll dive into how onboarding plays a crucial role in this complex issue. Is your company setting new hires up for success, or is it unintentionally pushing them out the door?

Stay tuned.

About the Authors
Silo Team is addressing the high turnover rates among developers by tackling systemic issues throughout the entire developer lifecycle, such as chaotic onboarding processes, disorganised knowledge silos, and limited automation. They have recently launched a developer onboarding tool that shortens time to productivity, offers reusable templates, and unifies development tools with real-time monitoring.

Christopher Akande is the Head of Product at Silo Team, bringing impressive experience from leading product development for the Platform Developer Experience (PDX) tribe at Spotify. He has also held key Product Lead roles at Zalando and Collibra, driving innovation in the tech industry.

Ida Stjernström is the Co-founder and Chief Commercial Officer (CCO) of Silo Team, dedicated to creating solutions that help companies retain top talent and improve their developer experience.

References:

1 - Bureau of Labor Statistics. (2021, January). Occupational Employment and Wages, May 2020: Software Developers, Applications. https://www.bls.gov/ooh/computer-and-information-technology/software-developers.htm

2 - Growin. (2023, May 10). Developer Retention: The Costs of Onboarding Software Developers
https://www.growin.com/developer-retention-costs-onboarding

3 - Kitrum. (2023, May 2). Hidden Consequences of Software Developers Turnover - KITRUM. https://kitrum.com/blog/the-costs-of-quiet-quitting-hidden-consequences-of-employee-turnover-in-software-development/

4 - Intertec International. (2002, May 5). What High Turnover Means for Software Development. https://blog.intertecintl.com/what-high-turnover-means-for-software-development