I've stayed too long at two companies in my career. Not by months — by years. And both times, I knew something was off well before I did anything about it. The signals were there. I just kept rationalising them away.

After 15 years designing products across e-commerce, utilities, fintech, and enterprise SaaS, I've had enough conversations with other designers to know this is common. We're optimistic by nature. We solve problems. We believe things can get better. That's often a strength — but it can also be the thing that keeps us stuck.

Here are the five signals I've learned to take seriously. Not as excuses to quit — but as honest data points worth sitting with.

Signal 1: you've stopped learning anything that will transfer

There's a version of comfort that's actually stagnation wearing a familiar face. If you can do your job well without thinking hard, that's not mastery — it's atrophy. The question to ask isn't "am I busy?" but "am I building skills that would be valuable somewhere else?"

Watch for these specifically:

• You haven't touched a new tool, method, or domain in over a year
• Your work has narrowed to a single surface or a single type of problem
• You struggle to articulate what you've actually learned in the past 12 months

Companies that are genuinely investing in you will show it — through stretch projects, exposure to new problem spaces, access to senior decision-makers. If none of that is happening, it's usually structural, not temporary.

Signal 2: your salary has hit an internal ceiling

Most companies have pay bands, and most pay bands compress over time. The uncomfortable truth is that the biggest salary jumps in design tend to happen when you move externally, not when you perform well internally. Loyalty, in most organisations, is not a financial strategy.

I'm not saying leave for money alone — culture, autonomy, and the quality of the work matter enormously. But if you've gone two or three years without a meaningful increase, and your market value has risen while your comp hasn't, you're effectively taking a pay cut each year. That compounds.

A useful forcing function: apply for one or two roles externally every 18 months, even if you're not actively looking. The offers you get are your actual market rate. What you earn is your negotiating ceiling at your current company. If the gap is significant and persistent, you have your answer.

Signal 3: design has become a delivery function

This one is subtle and it tends to happen gradually. Design starts getting brought in after decisions are made. You're being asked to make things look good rather than to figure out what the right thing is. Specs arrive with solutions embedded. Research gets skipped in favour of speed.

Sometimes this is fixable. You can advocate for earlier involvement, run scrappier research, build relationships with product managers who actually want design thinking upstream. But sometimes the organisation's model is set — design is a production resource, not a strategic one — and no amount of individual effort will shift that.

If you've tried for more than a year to move the needle and the model hasn't changed, it probably won't. And spending another two years in a delivery function is a real cost to your identity as a designer.

Signal 1: you've stopped learning anything that will transfer

The last two signals are less concrete but often more significant. They're about what's happening to you as a person, not just your career.

The fourth signal is chronic low-grade dread. Not burnout from a crunch period — that passes. The more persistent experience of waking up on Sunday already thinking about Monday. Of feeling slightly drained by work that should be energising. Of reading a job description and feeling relief rather than anxiety at the idea of leaving.

The fifth is cynicism becoming your default mode. When you stop giving new initiatives the benefit of the doubt. When you assume things will fail before they start. When you hear yourself — in your own head — sound like someone who stopped caring. That's not the real you. It's a response to an environment that's worn you down.

These two signals matter because they're about who you're becoming, not just what you're earning or learning. The best design work requires curiosity, generosity, and genuine investment in the problem. If your environment is systematically eroding those qualities, leaving isn't giving up — it's protecting something worth protecting.

Signal 2: your salary has hit an internal ceiling