Portable Operating System Interface (POSIX)
UK > Scotland
The table below provides summary statistics and contractor rates for jobs advertised in Scotland requiring POSIX skills. It covers contract job vacancies from the 6 months leading up to 13 December 2025, with comparisons to the same periods in the previous two years.
| 6 months to 13 Dec 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | - | 116 | 131 |
| Rank change year-on-year | - | +15 | - |
| Contract jobs citing POSIX | 0 | 3 | 12 |
| As % of all contract jobs in Scotland | - | 0.17% | 0.50% |
| As % of the Libraries, Frameworks & Software Standards category | - | 0.80% | 2.39% |
| Number of daily rates quoted | 0 | 3 | 6 |
| 10th Percentile | - | £418 | £504 |
| 25th Percentile | - | £425 | £565 |
| Median daily rate (50th Percentile) | - | £475 | £618 |
| Median % change year-on-year | - | -23.08% | - |
| 75th Percentile | - | £498 | £635 |
| 90th Percentile | - | £507 | £680 |
| UK median daily rate | - | £475 | £500 |
| % change year-on-year | - | -5.00% | -9.09% |
All Software Libraries and Frameworks
Scotland
POSIX falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring technical specification, industry standards, software libraries and framework skills in Scotland.
| Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills | 354 | 374 | 502 |
| As % of all contract IT jobs advertised in Scotland | 22.53% | 21.74% | 20.82% |
| Number of daily rates quoted | 212 | 240 | 337 |
| 10th Percentile | £360 | £356 | £393 |
| 25th Percentile | £420 | £400 | £425 |
| Median daily rate (50th Percentile) | £500 | £461 | £498 |
| Median % change year-on-year | +8.40% | -7.29% | +4.74% |
| 75th Percentile | £555 | £538 | £575 |
| 90th Percentile | £625 | £676 | £638 |
| UK median daily rate | £500 | £550 | £550 |
| % change year-on-year | -9.09% | - | -4.35% |
| Number of hourly rates quoted | 1 | 0 | 9 |
| 10th Percentile | - | - | £49.50 |
| 25th Percentile | £52.50 | - | £55.00 |
| Median hourly rate | £55.00 | - | £59.03 |
| Median % change year-on-year | - | - | +43.34% |
| 75th Percentile | £57.50 | - | £73.75 |
| 90th Percentile | - | - | £78.00 |
| UK median hourly rate | £55.00 | £62.50 | £54.78 |
| % change year-on-year | -12.00% | +14.09% | -15.72% |
POSIX
Job Vacancy Trend in Scotland
Historical trend showing the proportion of contract IT job postings citing POSIX relative to all contract IT jobs advertised in Scotland.
POSIX
Daily Rate Trend in Scotland
Contractor daily rate distribution trend for jobs in Scotland citing POSIX.
