You'll be slinging magic on the backend mostly ruby APIs for a design-driven iOS app with the potential for fast scaling. Think something between FiftyThree and Mailbox but with much more data.
- Extreme data for each user, check.
- Need to keep synced perfectly, check.
- Going to have to deal with lots of concurrency, check.
- Honor & recognition in case of success, double check.
Compensation: up to $144k base if you come with a strong pedigree and the skills to back it up. $70-90k base if you have a less proven track record but know you can level up. Will start with contract trial for one month if good mutual fit.
Stacking: Rails | Mongo | Sidekiq | Redis + the cloud you'd expect