Period
to 19 January 2018

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Grails skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Grails over the 6 months to 19 January 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Grails
Central London > City of London
6 months to
19 Jan 2018
Same period 2017 Same period 2016
Rank 247 221 224
Rank change year-on-year -26 +3 +49
Contract jobs citing Grails 5 11 17
As % of all contract IT jobs advertised in the City of London 0.070% 0.18% 0.24%
As % of the Libraries, Frameworks & Software Standards category 0.18% 0.49% 0.75%
Number of daily rates quoted 5 11 14
City of London median daily rate £450 £650 £550
Median daily rate % change year-on-year -30.77% +18.18% +18.92%
10th Percentile £418 £436 £425
90th Percentile £590 £675 £625
Central London median daily rate £450 £575 £550
% change year-on-year -21.74% +4.55% +22.22%
Number of hourly rates quoted 0 0 2
City of London median hourly rate - - £50.00
Central London median hourly rate - - £50.00

Grails is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
City of London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 2,716 2,258 2,279
As % of all contract IT jobs advertised in the City of London 38.29% 36.26% 31.76%
Number of daily rates quoted 2,314 1,908 1,898
City of London median daily rate £513 £475 £475
Median daily rate % change year-on-year +7.89% - +5.56%
10th Percentile £363 £327 £313
90th Percentile £663 £650 £638
Central London median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +3.21%
Number of hourly rates quoted 6 2 11
City of London median hourly rate £27.55 £52.12 £40.00
Median hourly rate % change year-on-year -47.15% +30.31% +61.62%
10th Percentile £21.00 £45.66 £20.00
90th Percentile £57.88 £56.68 £60.00
Central London median hourly rate £27.09 £52.12 £40.00
% change year-on-year -48.03% +30.31% +61.62%

Grails
Job Vacancy Trend in the City of London

Job postings citing Grails as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Grails in the City of London

Grails
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Grails in the City of London.

Contractor daily rate trend for Grails in the City of London

Grails
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Grails in the City of London over the 6 months to 19 January 2018.

Contractor daily rate histogram for Grails in the City of London

For the 6 months to 19 January 2018, IT contractor jobs citing Grails also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for Grails.

1 4 (80.00%) Java
2 3 (60.00%) JavaScript
2 3 (60.00%) CSS
2 3 (60.00%) HTML
2 3 (60.00%) Agile Software Development
2 3 (60.00%) TDD
2 3 (60.00%) Spring
2 3 (60.00%) Groovy
2 3 (60.00%) AngularJS
3 2 (40.00%) RESTful
3 2 (40.00%) Scala
3 2 (40.00%) Clojure
3 2 (40.00%) MVC
4 1 (20.00%) Hibernate
4 1 (20.00%) Scrum
4 1 (20.00%) SOAP
4 1 (20.00%) Struts
4 1 (20.00%) XML
4 1 (20.00%) Swing
4 1 (20.00%) Internet
4 1 (20.00%) SQL
4 1 (20.00%) J2EE
4 1 (20.00%) NoSQL
4 1 (20.00%) RabbitMQ
4 1 (20.00%) REST
4 1 (20.00%) CSS3
4 1 (20.00%) Kafka
4 1 (20.00%) Vaadin
4 1 (20.00%) Hadoop
4 1 (20.00%) Android

Grails
Co-occurring IT Skills in the City of London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Communications & Networking
1 1 (20.00%) Internet
Database & Business Intelligence
1 1 (20.00%) Hadoop
1 1 (20.00%) NoSQL
Development Applications
1 1 (20.00%) Jenkins
Job Titles
1 5 (100.00%) Developer
2 4 (80.00%) Java Developer
3 2 (40.00%) Senior Developer
3 2 (40.00%) Senior Java Developer
4 1 (20.00%) Front End Developer (Client-Side Developer)
4 1 (20.00%) HTML CSS Developer
4 1 (20.00%) HTML Developer
4 1 (20.00%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 3 (60.00%) AngularJS
1 3 (60.00%) CSS
1 3 (60.00%) HTML
1 3 (60.00%) Spring
2 2 (40.00%) RESTful
3 1 (20.00%) CSS3
3 1 (20.00%) GWT
3 1 (20.00%) Java EE
3 1 (20.00%) jQuery
3 1 (20.00%) JSF
3 1 (20.00%) Kafka
3 1 (20.00%) RabbitMQ
3 1 (20.00%) REST
3 1 (20.00%) SOAP
3 1 (20.00%) Spring Boot
3 1 (20.00%) Spring MVC
3 1 (20.00%) Struts
3 1 (20.00%) Swing
3 1 (20.00%) Vaadin
3 1 (20.00%) XML
Miscellaneous
1 1 (20.00%) Fintech
1 1 (20.00%) Mobile App
1 1 (20.00%) User Experience
Operating Systems
1 1 (20.00%) Android
Processes & Methodologies
1 3 (60.00%) Agile Software Development
1 3 (60.00%) TDD
2 2 (40.00%) MVC
3 1 (20.00%) Continuous Integration
3 1 (20.00%) Front End Development
3 1 (20.00%) Invoice Processing
3 1 (20.00%) Scrum
3 1 (20.00%) Web Development
Programming Languages
1 4 (80.00%) Java
2 3 (60.00%) Groovy
2 3 (60.00%) JavaScript
3 2 (40.00%) Clojure
3 2 (40.00%) Scala
4 1 (20.00%) Kotlin
4 1 (20.00%) SQL
System Software
1 1 (20.00%) Docker
Vendors
1 1 (20.00%) Google