Period
to 20 November 2017

The following table provides summary statistics for contract job vacancies with a requirement for SOLID skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited SOLID over the 6 months to 20 November 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.

SOLID Principles
UK
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 340 492 530
Rank change year-on-year +152 +38 +132
Contract jobs citing SOLID 720 437 392
As % of all contract IT jobs advertised in the UK 0.70% 0.42% 0.34%
As % of the Processes & Methodologies category 0.83% 0.50% 0.42%
Number of daily rates quoted 606 336 311
UK median daily rate £450 £425 £413
Median daily rate % change year-on-year +5.88% +3.03% +3.13%
10th Percentile £333 £313 £313
90th Percentile £588 £550 £550
UK excluding London median daily rate £375 £385 £375
% change year-on-year -2.60% +2.67% +3.88%
Number of hourly rates quoted 9 5 3
UK median hourly rate £45.00 £42.50 £43.75
Median hourly rate % change year-on-year +5.88% -2.86% -45.31%
10th Percentile £42.25 £39.50 £40.63
90th Percentile £52.50 £52.50 £51.38
UK excluding London median hourly rate £45.00 £42.50 £43.75
% change year-on-year +5.88% -2.86% -

SOLID is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for process or methodology skills.

All Process and Methodology Skills
UK
Contract vacancies with a requirement for process or methodology skills 86424 87276 93513
As % of all contract IT jobs advertised in the UK 84.51% 83.91% 81.77%
Number of daily rates quoted 57570 57725 60596
UK median daily rate £450 £425 £413
Median daily rate % change year-on-year +5.88% +3.03% +3.13%
10th Percentile £281 £263 £263
90th Percentile £630 £600 £600
UK excluding London median daily rate £400 £400 £385
% change year-on-year - +3.90% +2.67%
Number of hourly rates quoted 2044 2323 2749
UK median hourly rate £23.63 £24.00 £22.50
Median hourly rate % change year-on-year -1.56% +6.67% +18.42%
10th Percentile £11.44 £11.26 £11.50
90th Percentile £49.75 £48.75 £47.71
UK excluding London median hourly rate £24.00 £24.50 £23.75
% change year-on-year -2.04% +3.16% +18.75%

SOLID
Job Vacancy Trend

Job postings citing SOLID as a percentage of all IT jobs advertised.

Job vacancy trend for SOLID in the UK

SOLID
Contractor Daily Rate Trend

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

Contractor daily rate trend for SOLID in the UK

SOLID
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing SOLID over the 6 months to 20 November 2017.

Contractor daily rate histogram for SOLID in the UK

SOLID
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing SOLID.

Contractor hourly rate trend for SOLID in the UK

SOLID
Top 14 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing SOLID within the UK over the 6 months to 20 November 2017. 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
Job
Vacancies
England +152 698 £450 +5.88% 151
London +132 441 £488 +8.33% 56
UK excluding London +81 279 £375 -2.60% 102
South East +48 110 £388 -6.06% 20
Midlands +13 55 £425 +15.25% 8
North of England +47 45 £338 -12.34% 37
West Midlands +15 41 £425 +18.88% 5
East of England +6 37 £363 -3.33% 21
Scotland +1 22 £373 +43.27% 5
Yorkshire -3 21 £338 -3.57% 17
North West +26 20 £350 -6.67% 18
South West +16 16 £425 +9.68% 9
East Midlands +7 14 £370 -11.64% 3
North East +63 4 £320 -36.95% 2

For the 6 months to 20 November 2017, IT contractor jobs citing SOLID also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for SOLID.

1 516 (71.67%) Agile Software Development
2 510 (70.83%) TDD
3 485 (67.36%) .NET
4 452 (62.78%) C#
5 333 (46.25%) MVC
6 325 (45.14%) JavaScript
7 282 (39.17%) Scrum
8 263 (36.53%) AngularJS
9 255 (35.42%) BDD
10 253 (35.14%) Continuous Integration
11 249 (34.58%) HTML
12 247 (34.31%) ASP.NET
13 235 (32.64%) ASP.NET Web API
14 220 (30.56%) OO
15 205 (28.47%) Git (software)
16 203 (28.19%) SQL Server
17 200 (27.78%) CSS
18 188 (26.11%) React
19 183 (25.42%) Software Engineering
20 174 (24.17%) Web Services
21 168 (23.33%) SQL
22 164 (22.78%) Java
23 159 (22.08%) Microsoft Azure
24 154 (21.39%) Domain-Driven Design
25 145 (20.14%) RESTful
26 142 (19.72%) Finance
27 139 (19.31%) SOA
28 138 (19.17%) ASP.NET MVC
28 138 (19.17%) HTML5
29 137 (19.03%) Test Automation

SOLID
Co-occurring IT Skills 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 48 (6.67%) CMS
2 39 (5.42%) Elasticsearch
3 26 (3.61%) SharePoint
4 24 (3.33%) NServiceBus
5 16 (2.22%) Sitecore CMS
6 15 (2.08%) IIS
7 14 (1.94%) EPiServer
8 12 (1.67%) Apache Solr
8 12 (1.67%) Oracle SOA Suite
9 8 (1.11%) Tomcat
10 4 (0.56%) Apache
10 4 (0.56%) Apache Spark
11 3 (0.42%) BizTalk Server
11 3 (0.42%) Confluence
11 3 (0.42%) WebSphere
12 2 (0.28%) Adobe Experience Manager
12 2 (0.28%) ArcGIS
12 2 (0.28%) MQSeries
12 2 (0.28%) Mule
12 2 (0.28%) Umbraco
Applications
1 7 (0.97%) MS Visio
2 4 (0.56%) Microsoft Office
Business Applications
1 12 (1.67%) Dynamics CRM
Cloud Services
1 159 (22.08%) Microsoft Azure
2 116 (16.11%) Amazon AWS
3 25 (3.47%) npm
4 24 (3.33%) GitHub
5 17 (2.36%) Yarn
6 11 (1.53%) SaaS
7 8 (1.11%) Serverless
8 7 (0.97%) Office 365
9 5 (0.69%) Dynamics 365
9 5 (0.69%) Firebase
9 5 (0.69%) Google Play
10 4 (0.56%) Cloud Computing
10 4 (0.56%) PaaS
11 3 (0.42%) Amazon EMR
11 3 (0.42%) IaaS
12 2 (0.28%) Amazon S3
12 2 (0.28%) Amazon SQS
13 1 (0.14%) Amazon EC2
13 1 (0.14%) Google Analytics
13 1 (0.14%) Route 53
Communications & Networking
1 11 (1.53%) HTTP
2 5 (0.69%) Internet
2 5 (0.69%) SSL
3 4 (0.56%) TCP/IP
4 3 (0.42%) DNS
4 3 (0.42%) SMS
5 2 (0.28%) Link 16
6 1 (0.14%) AMQP
Database & Business Intelligence
1 203 (28.19%) SQL Server
2 114 (15.83%) NoSQL
3 104 (14.44%) MongoDB
4 41 (5.69%) RavenDB
5 24 (3.33%) Relational Database
6 23 (3.19%) SQL Server 2008
7 21 (2.92%) SQL Server 2005
8 17 (2.36%) DocumentDB
9 16 (2.22%) SQL Server Integration Services
10 14 (1.94%) MySQL
10 14 (1.94%) SQL Server 2012
10 14 (1.94%) SQL Server 2014
10 14 (1.94%) SQL Server Reporting Services
11 10 (1.39%) Data Warehouse
12 8 (1.11%) Apache Cassandra
12 8 (1.11%) Neo4j
13 7 (0.97%) Hadoop
13 7 (0.97%) RDBMS
14 5 (0.69%) Azure SQL Database
14 5 (0.69%) CouchDB
Development Applications
1 205 (28.47%) Git (software)
2 128 (17.78%) TeamCity
3 85 (11.81%) Octopus Deploy
4 70 (9.72%) Jenkins
4 70 (9.72%) Team Foundation Server
5 56 (7.78%) NUnit
6 50 (6.94%) IntelliJ
7 48 (6.67%) gulp
8 46 (6.39%) Grunt
9 45 (6.25%) Visual Studio
10 44 (6.11%) SpecFlow
11 38 (5.28%) Maven
12 33 (4.58%) Karma Test Runner
13 29 (4.03%) Subversion
14 28 (3.89%) Mocha
15 27 (3.75%) Gradle
16 25 (3.47%) JIRA
17 22 (3.06%) Jasmine
18 21 (2.92%) Selenium
18 21 (2.92%) Xcode
General
1 142 (19.72%) Finance
2 83 (11.53%) Banking
3 26 (3.61%) Marketing
4 21 (2.92%) Front Office
5 19 (2.64%) Publishing
6 13 (1.81%) Investment Banking
7 12 (1.67%) Financial Institution
8 9 (1.25%) Law
9 8 (1.11%) Advertising
9 8 (1.11%) Games
10 7 (0.97%) Retail
11 5 (0.69%) Automotive
11 5 (0.69%) Legal
12 4 (0.56%) Electronics
13 3 (0.42%) Back Office
13 3 (0.42%) Digital Economy
14 2 (0.28%) Avionics
14 2 (0.28%) Military
14 2 (0.28%) Prime Brokerage
14 2 (0.28%) Retail Banking
Job Titles
1 646 (89.72%) Developer
2 285 (39.58%) .NET Developer
3 204 (28.33%) C# Developer
4 129 (17.92%) C# .NET Developer
5 105 (14.58%) Java Developer
6 80 (11.11%) Senior Developer
7 62 (8.61%) Full Stack Developer
8 58 (8.06%) Agile Developer
9 57 (7.92%) Angular Developer
10 51 (7.08%) ASP.NET MVC Developer
11 48 (6.67%) SQL Developer
12 31 (4.31%) JavaScript Developer
13 30 (4.17%) Senior .NET Developer
14 29 (4.03%) ASP.NET Developer
14 29 (4.03%) Senior C# Developer
15 28 (3.89%) Agile .NET Developer
16 27 (3.75%) Agile C# Developer
16 27 (3.75%) Azure Developer
16 27 (3.75%) Front End Developer (Client-Side Developer)
16 27 (3.75%) SQL Server Developer
Libraries, Frameworks & Software Standards
1 485 (67.36%) .NET
2 263 (36.53%) AngularJS
3 249 (34.58%) HTML
4 247 (34.31%) ASP.NET
5 235 (32.64%) ASP.NET Web API
6 200 (27.78%) CSS
7 188 (26.11%) React
8 174 (24.17%) Web Services
9 145 (20.14%) RESTful
10 138 (19.17%) ASP.NET MVC
10 138 (19.17%) HTML5
11 132 (18.33%) REST
12 116 (16.11%) .NET Framework
13 94 (13.06%) Entity Framework
14 88 (12.22%) WCF
15 83 (11.53%) jQuery
16 66 (9.17%) Node.js
17 58 (8.06%) Spring
18 48 (6.67%) KnockoutJS
19 43 (5.97%) SOAP
Miscellaneous
1 77 (10.69%) User Experience
2 66 (9.17%) Greenfield Project
3 39 (5.42%) Fintech
4 35 (4.86%) Enterprise Software
5 32 (4.44%) Mobile App
6 31 (4.31%) Analytical Skills
7 29 (4.03%) Foreign Exchange (FX)
8 23 (3.19%) Computer Science
9 17 (2.36%) iPhone
10 16 (2.22%) iPad
11 14 (1.94%) Online Banking
12 10 (1.39%) Hedge funds
13 9 (1.25%) Fixed Income
14 7 (0.97%) Data Structures
15 6 (0.83%) Derivative
15 6 (0.83%) Management Information System
16 4 (0.56%) Device Driver
16 4 (0.56%) Minimum Viable Product
16 4 (0.56%) OTC Derivatives
17 3 (0.42%) Enterprise Cloud
Operating Systems
1 63 (8.75%) Windows
2 40 (5.56%) Apple iOS
3 32 (4.44%) Linux
4 29 (4.03%) Android
5 8 (1.11%) Unix
6 3 (0.42%) Windows Server
7 1 (0.14%) Oracle Linux
7 1 (0.14%) Solaris
7 1 (0.14%) Windows Server 2008
Processes & Methodologies
1 516 (71.67%) Agile Software Development
2 510 (70.83%) TDD
3 333 (46.25%) MVC
4 282 (39.17%) Scrum
5 255 (35.42%) BDD
6 253 (35.14%) Continuous Integration
7 220 (30.56%) OO
8 183 (25.42%) Software Engineering
9 154 (21.39%) Domain-Driven Design
10 139 (19.31%) SOA
11 137 (19.03%) Test Automation
12 123 (17.08%) Microservices
13 112 (15.56%) Unit Testing
14 110 (15.28%) Web Development
15 108 (15.00%) Kanban
16 106 (14.72%) Front End Development
17 96 (13.33%) Pair Programming
18 67 (9.31%) DevOps
19 63 (8.75%) OOP
20 62 (8.61%) Dependency Injection
Programming Languages
1 452 (62.78%) C#
2 325 (45.14%) JavaScript
3 168 (23.33%) SQL
4 164 (22.78%) Java
5 49 (6.81%) T-SQL
6 45 (6.25%) Groovy
6 45 (6.25%) TypeScript
7 33 (4.58%) PowerShell
8 29 (4.03%) Python
9 27 (3.75%) Objective-C
10 26 (3.61%) Scala
11 23 (3.19%) C
12 21 (2.92%) Apple Swift
13 20 (2.78%) PHP
14 18 (2.50%) VB.NET
15 17 (2.36%) Ruby
16 16 (2.22%) ES6
17 13 (1.81%) C++
18 12 (1.67%) GraphQL
19 11 (1.53%) Shell Script
Qualifications
1 26 (3.61%) Degree
2 17 (2.36%) Computer Science Degree
3 7 (0.97%) Security Cleared
4 5 (0.69%) Microsoft Certification
5 3 (0.42%) Master's Degree
5 3 (0.42%) SC Cleared
6 1 (0.14%) BPSS Clearance
6 1 (0.14%) DV Cleared
6 1 (0.14%) MCP
6 1 (0.14%) PMP
Quality Assurance & Compliance
1 72 (10.00%) QA
2 7 (0.97%) MiFID
3 6 (0.83%) PCI DSS
3 6 (0.83%) WCAG
4 2 (0.28%) Disclosure Scotland
4 2 (0.28%) HL7
4 2 (0.28%) MIL-STD-1553
4 2 (0.28%) SLA
5 1 (0.14%) Data Quality
5 1 (0.14%) ISO 14001
5 1 (0.14%) ISO 9001
5 1 (0.14%) PSD2
System Software
1 13 (1.81%) Active Directory
2 8 (1.11%) Docker
Systems Management
1 16 (2.22%) Puppet
2 12 (1.67%) Ansible
2 12 (1.67%) Opscode Chef
3 11 (1.53%) Control-M
4 8 (1.11%) Nagios
4 8 (1.11%) ZABBIX
5 2 (0.28%) Kibana
6 1 (0.14%) Business Desktop Deployment
6 1 (0.14%) Kubernetes
6 1 (0.14%) Terraform
Vendors
1 130 (18.06%) Microsoft
2 49 (6.81%) New Relic
3 28 (3.89%) Apple
4 25 (3.47%) Oracle
5 20 (2.78%) Sitecore
6 18 (2.50%) Xamarin
7 12 (1.67%) Google
8 8 (1.11%) AppDynamics
8 8 (1.11%) Red Hat
8 8 (1.11%) Reuters
8 8 (1.11%) Splunk
9 7 (0.97%) CA Agile Central
9 7 (0.97%) FXall
9 7 (0.97%) Telerik
10 6 (0.83%) Apigee
11 4 (0.56%) Atlassian
11 4 (0.56%) IBM
12 3 (0.42%) Charles River
12 3 (0.42%) Facebook
12 3 (0.42%) Zend