Offline, I spend a lot of time helping friends with their resumes. I’ve even given a couple of workshops about technical resumes.
This is the template I use in helping someone get started in creating a technical resume:
You can also access the document here. You may notice a lot of comments in this particular document — I’ve laid out the logic and options for each section in the file so that anyone using it doesn’t have to refer to anywhere else. With that in mind, I strongly recommend copying the file to your own Google Drive and then editing that copy.