Tips on getting promoted on work:

1. Collect a list of all improvements and achievements that u did during your time in that workplace

2. Compare your output with your colleagues output, check their MR's, their complexity and compare with yours.

3. Talk with your manager about a raise. Tell him about your achievements, like maybe you are working on a wider scope than others. Maybe you are mentoring junior devs. Or maybe you deal with a bigger workload than others but still deliver on time. Maybe your communication is good or maybe you document stuff very well and in that way you make your team more efficient and increase team output. Whatever. Pitch and sell yourself. Also provide some personal reasons why you need a raise, like maybe u have kids or maybe your rent doubled. Inflation and so on. Selling point is that u are a human not a greedy bastard.

At the end of that talk the manager most likely will say that he needs to speak higher ups, he needs to gather feedback from your colleagues and so on. Give him a week or two if possible, no more.

He will probably get back to you with an offer. If there is none start applying, get an offer and put in your notice. In my case I waited 3 months for my raise to go through. I put in my notice, had a stressed call from manager, showed him my offer and my raise was arranged the next day.