> What makes you a "senior" engineer? You've spent enough time designing software that you can take a vague spec, design a solution avoiding common pitfalls an

> What makes you a "senior" engineer? You've spent enough time designing software that you can take a vague spec, design a solution avoiding common pitfalls and following a very easy path. Then you hand back a prototype followed by a complete and maintainable solution to a happy client. At that point, your services should no longer be _required_ to keep the product working.