Period
to 22 July 2017

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 22 July 2017 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
London > City of London
6 months to
22 Jul 2017
Same period 2016 Same period 2015
Rank 230 227 278
Rank change year-on-year -3 +51 +6
Contract jobs citing Grails 4 14 18
As % of all contract IT jobs advertised in the City of London 0.061% 0.20% 0.16%
As % of the Libraries, Frameworks & Software Standards category 0.17% 0.59% 0.53%
Number of daily rates quoted 4 15 16
City of London median daily rate £450 £550 £500
Median daily rate % change year-on-year -18.18% +10.00% +8.11%
10th Percentile £395 £413 £394
90th Percentile £492 £613 £619
London median daily rate £530 £509 £463
% change year-on-year +4.18% +10.00% +0.27%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
London median hourly rate - - -

Grails is in the industry standards, technical specifications and software library and framework skills category. The next 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 industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
City of London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 2413 2366 3415
As % of all contract IT job vacancies advertised in the City of London 36.86% 34.29% 30.03%
Number of daily rates quoted 1955 2020 2737
City of London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% -
10th Percentile £355 £319 £306
90th Percentile £650 £638 £638
London median daily rate £493 £463 £450
% change year-on-year +6.49% +2.78% +5.88%
Number of hourly rates quoted 11 6 17
City of London median hourly rate £24.49 £21.00 £24.23
Median hourly rate % change year-on-year +16.60% -13.33% -24.30%
10th Percentile £20.75 £17.08 £11.05
90th Percentile £29.62 £49.29 £80.50
London median hourly rate £38.75 £40.00 £30.00
% change year-on-year -3.13% +33.33% -14.29%

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

For the 6 months to 22 July 2017, 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 (100.00%) Java
1 4 (100.00%) Agile Software Development
2 3 (75.00%) Groovy
3 2 (50.00%) HTML
3 2 (50.00%) Continuous Integration
3 2 (50.00%) PostgreSQL
3 2 (50.00%) Scrum
3 2 (50.00%) RESTful
3 2 (50.00%) Mercurial
3 2 (50.00%) TDD
3 2 (50.00%) JavaScript
3 2 (50.00%) MySQL
3 2 (50.00%) JUnit
3 2 (50.00%) CSS
3 2 (50.00%) Linux
3 2 (50.00%) Apache
3 2 (50.00%) Tomcat
3 2 (50.00%) Microservices
3 2 (50.00%) Relational Database
3 2 (50.00%) Docker
4 1 (25.00%) DevOps
4 1 (25.00%) Data Structures
4 1 (25.00%) Continuous Delivery
4 1 (25.00%) Fintech
4 1 (25.00%) SOA
4 1 (25.00%) Ant
4 1 (25.00%) Pair Programming
4 1 (25.00%) ActiveMQ
4 1 (25.00%) Subversion
4 1 (25.00%) QA

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:

Application Platforms
1 2 (50.00%) Apache
1 2 (50.00%) Tomcat
Database & Business Intelligence
1 2 (50.00%) MySQL
1 2 (50.00%) PostgreSQL
1 2 (50.00%) Relational Database
2 1 (25.00%) NoSQL
Development Applications
1 2 (50.00%) JUnit
1 2 (50.00%) Mercurial
2 1 (25.00%) Ant
2 1 (25.00%) Git (software)
2 1 (25.00%) Subversion
Job Titles
1 4 (100.00%) Developer
1 4 (100.00%) Java Developer
2 1 (25.00%) Agile Developer
2 1 (25.00%) Agile Java Developer
2 1 (25.00%) Java Software Developer
2 1 (25.00%) Software Developer
Libraries, Frameworks & Software Standards
1 2 (50.00%) CSS
1 2 (50.00%) HTML
1 2 (50.00%) RESTful
2 1 (25.00%) ActiveMQ
2 1 (25.00%) jQuery
2 1 (25.00%) LESS
Miscellaneous
1 1 (25.00%) Data Structures
1 1 (25.00%) Fintech
Operating Systems
1 2 (50.00%) Linux
Processes & Methodologies
1 4 (100.00%) Agile Software Development
2 2 (50.00%) Continuous Integration
2 2 (50.00%) Microservices
2 2 (50.00%) Scrum
2 2 (50.00%) TDD
3 1 (25.00%) BDD
3 1 (25.00%) Continuous Delivery
3 1 (25.00%) DevOps
3 1 (25.00%) High Availability
3 1 (25.00%) MVC
3 1 (25.00%) Open Source
3 1 (25.00%) Pair Programming
3 1 (25.00%) SOA
3 1 (25.00%) Test Automation
3 1 (25.00%) Visualisation
Programming Languages
1 4 (100.00%) Java
2 3 (75.00%) Groovy
3 2 (50.00%) JavaScript
Quality Assurance & Compliance
1 1 (25.00%) QA
System Software
1 2 (50.00%) Docker