Side by side
Backend Engineer vs Mobile Engineer
Pay is effectively the same — the medians sit within 3.8% apart. There is 2.0× more demand for Mobile Engineer. Mobile Engineer is the more remote-friendly of the two, by 9.5%. Listings for Mobile Engineer move faster — median age 35 days against 78.
Comparison
Side by side
| Measure | Backend Engineer | Mobile Engineer | Gap |
|---|---|---|---|
| Open postings | 8,361 | 16,362 | -8,001 |
| Posted this week | 646 | 521 | |
| Median salary | $138,000 | $133,000 | +$5k |
| 25th percentile | $109k | $105k | |
| 75th percentile | $171k | $165k | |
| Salary disclosed | 6.4% | 8.4% | |
| Remote share | 3.5% | 13.0% | -9.5pp |
| Median age of posting | 78d | 35d | |
| Open over 60 days | 31.2% | 51.8% | |
| Visa sponsorship | 20.9% | 5.1% |
Pay
Pay distribution
Backend Engineer
$62k$239k
Mobile Engineer
$60k$230k
Freshness
How old the listings are
Backend Engineer
just posted78d median90d+
Mobile Engineer
just posted35d median90d+
Demand
What each side asks for
Backend Engineer — technologies
Mobile Engineer — technologies
Backend Engineer — employers
Mobile Engineer — employers
More comparisons
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Both sides are counted the same way on the same day, so the gap is comparable even where the
absolute numbers move. Salary figures use only postings that publish a range — the disclosure
rate is in the table because a median over 20% of a cohort is a weaker number than one over 70%.