Immutable.js
UK > UK excluding London
The table below provides summary statistics and contractor rates for jobs advertised in the UK excluding London requiring Immutable.js skills. It covers contract job vacancies from the 6 months leading up to 14 December 2025, with comparisons to the same periods in the previous two years.
| 6 months to 14 Dec 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | 407 | 362 | - |
| Rank change year-on-year | -45 | - | - |
| Contract jobs citing Immutable.js | 1 | 1 | 0 |
| As % of all contract jobs in the UK excluding London | 0.006% | 0.007% | - |
| As % of the Libraries, Frameworks & Software Standards category | 0.030% | 0.037% | - |
| Number of daily rates quoted | 1 | 1 | 0 |
| 10th Percentile | - | - | - |
| 25th Percentile | £413 | - | - |
| Median daily rate (50th Percentile) | £425 | £450 | - |
| Median % change year-on-year | -5.56% | - | - |
| 75th Percentile | £438 | - | - |
| 90th Percentile | - | - | - |
| UK median daily rate | £425 | £450 | - |
| % change year-on-year | -5.56% | - | - |
All Software Libraries and Frameworks
UK excluding London
Immutable.js 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 the UK excluding London.
| Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills | 3,320 | 2,710 | 3,530 |
| As % of all contract IT jobs advertised in the UK excluding London | 18.50% | 17.90% | 17.79% |
| Number of daily rates quoted | 2,182 | 1,684 | 2,429 |
| 10th Percentile | £333 | £340 | £325 |
| 25th Percentile | £405 | £407 | £413 |
| Median daily rate (50th Percentile) | £488 | £500 | £500 |
| Median % change year-on-year | -2.50% | - | -4.76% |
| 75th Percentile | £575 | £600 | £600 |
| 90th Percentile | £663 | £685 | £678 |
| UK median daily rate | £505 | £550 | £550 |
| % change year-on-year | -8.18% | - | -4.35% |
| Number of hourly rates quoted | 161 | 76 | 139 |
| 10th Percentile | £31.25 | £22.00 | £36.29 |
| 25th Percentile | £46.25 | £44.64 | £46.18 |
| Median hourly rate | £64.00 | £65.00 | £51.89 |
| Median % change year-on-year | -1.54% | +25.26% | -20.17% |
| 75th Percentile | £68.00 | £66.19 | £70.00 |
| 90th Percentile | £81.00 | £74.00 | £77.50 |
| UK median hourly rate | £57.50 | £62.50 | £52.50 |
| % change year-on-year | -8.00% | +19.05% | -19.23% |
Immutable.js
Job Vacancy Trend in the UK excluding London
Historical trend showing the proportion of contract IT job postings citing Immutable.js relative to all contract IT jobs advertised in the UK excluding London.
Immutable.js
Daily Rate Trend in the UK excluding London
Contractor daily rate distribution trend for jobs in the UK excluding London citing Immutable.js.
Immutable.js
Contract Job Locations in the UK excluding London
The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Immutable.js within the UK excluding London region over the 6 months to 14 December 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.
| Location | Rank Change on Same Period Last Year |
Matching Contract IT Job Ads |
Median Daily Rate Past 6 Months |
Median Daily Rate % Change on Same Period Last Year |
Live Jobs |
|---|---|---|---|---|---|
| East of England | -22 | 1 | £425 | -5.56% | |
| Immutable.js UK |
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Immutable.js
Co-Occurring Skills & Capabilities in the UK excluding London by Category
The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:
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