Background
I'm used to explaining specific job duties and results on my resume (for US full time positions), to give more information about a title, skills, and what the job comprised of.
However in my software developer role, most of my work day is doing routine actions -- (As a developer, this means coming up with a design, breaking things into functions, writing up the code, doing unit tests, and adding documentation and comments as necessary.)
Concern
My concern with listing the routine duties is that it feels like air/padding, as it's in many developers' experience. I don't want to imply these are unusual skills. How can I list what I've done in this position?
The only similar question I've found so far is on Writing resume: job description vs achievements in a software developer's resume but this deals more with resume tips.
Ideas
I'm fairly proud of how I do each of these things, but don't have specific metrics to account for them (for example, measuring how good a design is, or how many lines the documenation is). So I'm not sure how to differentiate these skills.
I could list out what specifically my clients/customers goals were (such as "Produced Java backend code for rapidly changing ABC shoe company website") but I'm not sure I'd want to expand this to more than one line.
I could comment on the 10-20% unusual (and more difficult) situations, but each is unusual in its own way and only lasts a week or two, so I'm not sure it's worth a line in my resume. Grouping them together would be hard without being vague.