Why Staying Too Long at One Company Hurts Programmers – Insights & Stats

Recently I talked with a programmer who joined my company two months ago as a junior and has been there less than a year and a half. This is not an isolated case; most talented developers leave after 1‑3 years unless they are shareholders.

Statistics

In the past, employees often spent their whole career at one company, but now job changes are easier. In tech, it is rare for a programmer to stay more than 10‑15 years at the same employer.

Data from over 10,000 software engineers in San Francisco (via Hackerlife) shows that in large tech firms about 50% leave within two years and 75% within three to three‑and‑a‑half years. The average tenure for other tech professionals is 4.2 years. Start‑ups and mid‑size firms have even shorter tenures.

Interview Insights

As a recruiter, I often ask candidates where they work, how long they have been there, and why they left. Roughly 70‑80% of candidates change jobs within two years, and very few stay more than five years. Among 200 candidates, only 2‑3 stayed at the same company for over five years.

Why Programmers Shouldn't Stay Too Long

Learning Opportunities

This is the biggest reason programmers switch jobs. Early in their careers they need to learn a lot. The first year offers mutual learning between the newcomer and the company; the programmer learns the tech stack, projects, and senior developers, while the company benefits from the programmer’s prior experience.

After a year, the programmer begins to create value and becomes an important employee, but the learning curve flattens, especially in smaller companies where learning opportunities become scarce.

The key question is where learning ends; honestly, learning never stops. This does not mean you must change jobs frequently throughout your career. About ten years later you may reach a position that no longer requires frequent moves, but that is another long discussion.

Better Career Development

Today, technology stacks evolve faster than ever, which is why learning is an endless process for programmers and one of the reasons programming is a unique profession. Programmers should not only change jobs for learning but also for better career advancement. Staying at one company can slow career growth because a company's progress often lags behind a programmer’s rapid skill development.

Even if you are loyal and diligent, if you feel you deserve better career development, you should consider leaving promptly.

Edited: 手扶拖拉斯基 Reference: https://betterprogramming.pub/why-programmers-shouldnt-stay-in-one-company-for-a-long-time-67bf07f011a6