The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for RESTful skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited RESTful over the 3 months to 26 June 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.

RESTful
East of England / Hertfordshire
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 41 46 71
Rank change year-on-year +5 +25  
Contract jobs citing RESTful 20 11 8
As % of all contract IT jobs advertised in Hertfordshire 3.17% 1.71% 0.89%
As % of the Libraries, Frameworks & Software Standards category 13.25% 9.65% 3.51%
Number of daily rates quoted 13 2 0
Median daily rate £425 £450 -
Median daily rate % change year-on-year -5.55% -  
UK excluding London median daily rate £400 £413 £375
% change year-on-year -3.03% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £52.00 - £40.00

RESTful 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 Hertfordshire with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Hertfordshire
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 151 114 228
As % of all contract IT job vacancies advertised in Hertfordshire 23.93% 17.67% 25.50%
Number of daily rates quoted 109 75 122
Median daily rate £375 £425 £375
Median daily rate % change year-on-year -11.76% +13.33%  
90% offered a daily rate of more than £290 £300 £288
10% offered a daily rate of more than £450 £500 £456
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 1 0 7
Median hourly rate £15.00 - £20.94
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

RESTful
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire citing RESTful as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for RESTful in Hertfordshire

RESTful
Contractor Daily Rate Trend in Hertfordshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing RESTful in Hertfordshire.

Contractor daily rate trend for RESTful in Hertfordshire

RESTful
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing RESTful in Hertfordshire over the 3 months to 26 June 2017.

Contractor daily rate histogram for RESTful in Hertfordshire

RESTful
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing RESTful within the Hertfordshire region over the 3 months to 26 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Rickmansworth - 3 £350 -
Watford -6 2 £350 - 3
Hemel Hempstead - 1 £360 - 3
Welwyn Garden City - 1 £525 -
RESTful
East of England

For the 6 months to 26 June 2017, IT contractor jobs citing RESTful 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 Hertfordshire region with a requirement for RESTful.

1 31 (72.09%) JavaScript
2 22 (51.16%) Java
3 21 (48.84%) HTML
3 21 (48.84%) CSS
3 21 (48.84%) Agile Software Development
4 19 (44.19%) jQuery
5 17 (39.53%) JSON
6 16 (37.21%) .NET
7 15 (34.88%) XML
7 15 (34.88%) TDD
8 14 (32.56%) Git (software)
8 14 (32.56%) C#
9 12 (27.91%) AngularJS
10 11 (25.58%) SQL
10 11 (25.58%) Subversion
11 10 (23.26%) Spring
11 10 (23.26%) Continuous Integration
11 10 (23.26%) BDD
11 10 (23.26%) SQL Server
11 10 (23.26%) Web Services
11 10 (23.26%) Hibernate
12 9 (20.93%) ASP.NET
12 9 (20.93%) Open Source
13 8 (18.60%) Dynamics CRM
13 8 (18.60%) CRM
13 8 (18.60%) Scrum
14 7 (16.28%) SharePoint
14 7 (16.28%) Microsoft
14 7 (16.28%) OO
14 7 (16.28%) SQL Server Reporting Services

RESTful
Co-occurring IT Skills in Hertfordshire 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 7 (16.28%) SharePoint
2 6 (13.95%) WebSphere
3 3 (6.98%) Confluence
3 3 (6.98%) Tomcat
4 1 (2.33%) Apache
Business Applications
1 8 (18.60%) Dynamics CRM
2 4 (9.30%) SAP HCM
Cloud Services
1 4 (9.30%) Boomi
1 4 (9.30%) SuccessFactors
2 1 (2.33%) Amazon AWS
2 1 (2.33%) Amazon EC2
2 1 (2.33%) Amazon S3
2 1 (2.33%) Amazon SQS
Communications & Networking
1 4 (9.30%) VoIP
1 4 (9.30%) Wireshark
Database & Business Intelligence
1 10 (23.26%) SQL Server
2 7 (16.28%) SQL Server Reporting Services
3 6 (13.95%) MongoDB
3 6 (13.95%) MySQL
4 3 (6.98%) QlikView
5 2 (4.65%) SQL Server 2014
Development Applications
1 14 (32.56%) Git (software)
2 11 (25.58%) Subversion
3 6 (13.95%) PHPUnit
4 4 (9.30%) Cucumber
4 4 (9.30%) JIRA
4 4 (9.30%) Selenium
4 4 (9.30%) Team Foundation Server
4 4 (9.30%) Visual Studio
4 4 (9.30%) WebDriver
5 3 (6.98%) JBehave
5 3 (6.98%) Jenkins
5 3 (6.98%) JUnit
5 3 (6.98%) Maven
5 3 (6.98%) SoapUI
6 2 (4.65%) Atlassian Bamboo
6 2 (4.65%) Mockito
6 2 (4.65%) Moq
6 2 (4.65%) TeamCity
6 2 (4.65%) Xcode
7 1 (2.33%) Mocha
General
1 2 (4.65%) Finance
2 1 (2.33%) Publishing
2 1 (2.33%) Retail
Job Titles
1 39 (90.70%) Developer
2 10 (23.26%) .NET Developer
3 9 (20.93%) Java Developer
4 7 (16.28%) C# Developer
5 6 (13.95%) PHP Developer
5 6 (13.95%) PHP Symfony Developer
5 6 (13.95%) Symfony Developer
6 5 (11.63%) Android Developer
6 5 (11.63%) ASP.NET Developer
6 5 (11.63%) Integration Developer
6 5 (11.63%) JavaScript Developer
6 5 (11.63%) SQL Developer
6 5 (11.63%) WebSphere Developer
7 4 (9.30%) .NET Team Leader
7 4 (9.30%) Agile Java Developer
7 4 (9.30%) C# Software Developer
7 4 (9.30%) CRM Developer
7 4 (9.30%) Dynamics CRM Developer
7 4 (9.30%) Lead .NET Developer
7 4 (9.30%) Team Leader
Libraries, Frameworks & Software Standards
1 21 (48.84%) CSS
1 21 (48.84%) HTML
2 19 (44.19%) jQuery
3 17 (39.53%) JSON
4 16 (37.21%) .NET
5 15 (34.88%) XML
6 12 (27.91%) AngularJS
7 10 (23.26%) Hibernate
7 10 (23.26%) Spring
7 10 (23.26%) Web Services
8 9 (20.93%) ASP.NET
9 7 (16.28%) Sass
10 6 (13.95%) CSS3
10 6 (13.95%) Doctrine
10 6 (13.95%) IBM Integration Bus
10 6 (13.95%) KnockoutJS
10 6 (13.95%) LESS
10 6 (13.95%) Symfony
10 6 (13.95%) WebSphere MQ
10 6 (13.95%) XSLT
Miscellaneous
1 6 (13.95%) DataPower
2 5 (11.63%) Mobile App
3 4 (9.30%) Greenfield Project
4 2 (4.65%) Tandem
5 1 (2.33%) Analytical Skills
5 1 (2.33%) iPad
Operating Systems
1 5 (11.63%) Android
2 4 (9.30%) Apple iOS
3 2 (4.65%) Unix
4 1 (2.33%) Linux
Processes & Methodologies
1 21 (48.84%) Agile Software Development
2 15 (34.88%) TDD
3 10 (23.26%) BDD
3 10 (23.26%) Continuous Integration
4 9 (20.93%) Open Source
5 8 (18.60%) CRM
5 8 (18.60%) Scrum
6 7 (16.28%) API Development
6 7 (16.28%) Kanban
6 7 (16.28%) OO
7 5 (11.63%) Android Development
7 5 (11.63%) DevOps
7 5 (11.63%) E-Commerce
8 4 (9.30%) Configuration Management
8 4 (9.30%) iOS Development
8 4 (9.30%) Microservices
8 4 (9.30%) Performance Tuning
8 4 (9.30%) Release Management
8 4 (9.30%) Test Automation
8 4 (9.30%) Web Development
Programming Languages
1 31 (72.09%) JavaScript
2 22 (51.16%) Java
3 14 (32.56%) C#
4 11 (25.58%) SQL
5 6 (13.95%) PHP
5 6 (13.95%) PHP 5
5 6 (13.95%) PHP 7
6 4 (9.30%) Objective-C
6 4 (9.30%) Scala
6 4 (9.30%) VB.NET
7 2 (4.65%) T-SQL
8 1 (2.33%) Groovy
8 1 (2.33%) Shell Script
Qualifications
1 1 (2.33%) ISEB
1 1 (2.33%) ISTQB
1 1 (2.33%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 7 (16.28%) QA
Systems Management
1 6 (13.95%) WebSphere Cast Iron
Vendors
1 7 (16.28%) Microsoft
2 6 (13.95%) IBM
3 4 (9.30%) Dell
3 4 (9.30%) SAP
4 3 (6.98%) Atlassian
5 2 (4.65%) Apple