| Senior engineer | Tekhlid | 
| Single player | Team player. | 
| Most often experienced in one direction of development. | Looks at development more broadly, can solve problems at the junction of directions. | 
| Most of the time working develops business functionality. | Few directly writes the code, perhaps it does not create features for business at all. | 
| Responsible for your code. | Responsible for the quality of the product as a whole. | 
| Develops its expertise, deeply versed in details. | Develops the technical skills of the team, shares its experience as much as possible. |