Period
to 24 September 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 24 September 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
24 Sep 2017
Same period 2016 Same period 2015
Rank 355 510 498
Rank change year-on-year +155 -12 +162
Contract jobs citing SOLID 668 408 465
As % of all contract IT jobs advertised in the UK 0.69% 0.38% 0.41%
As % of the Processes & Methodologies category 0.81% 0.46% 0.50%
Number of daily rates quoted 540 329 346
UK median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% -
10th Percentile £327 £313 £313
90th Percentile £594 £550 £538
UK excluding London median daily rate £375 £400 £370
% change year-on-year -6.25% +8.11% +5.71%
Number of hourly rates quoted 15 5 1
UK median hourly rate £50.00 £42.50 £50.00
Median hourly rate % change year-on-year +17.65% -15.00% -
10th Percentile £42.50 £39.50 £47.50
90th Percentile £58.00 £52.50 £52.50
UK excluding London median hourly rate £50.00 £42.50 £50.00
% change year-on-year +17.65% -15.00% -

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 82164 89324 92825
As % of all contract IT jobs advertised in the UK 84.40% 83.74% 81.31%
Number of daily rates quoted 54279 59151 60050
UK median daily rate £450 £425 £408
Median daily rate % change year-on-year +5.88% +4.29% +1.88%
10th Percentile £281 £263 £263
90th Percentile £625 £600 £600
UK excluding London median daily rate £400 £400 £375
% change year-on-year - +6.67% +2.74%
Number of hourly rates quoted 1987 2263 2628
UK median hourly rate £24.50 £24.00 £22.50
Median hourly rate % change year-on-year +2.08% +6.67% +12.50%
10th Percentile £11.48 £11.42 £11.50
90th Percentile £50.06 £48.30 £47.71
UK excluding London median hourly rate £25.00 £25.00 £22.83
% change year-on-year - +9.51% +8.71%

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 24 September 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
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing SOLID over the 6 months to 24 September 2017.

Contractor hourly rate histogram for SOLID in the UK

SOLID
Top 15 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 24 September 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 +167 650 £450 +5.88% 87
London +144 416 £500 +9.29% 43
UK excluding London +83 252 £375 -6.25% 48
South East +43 103 £388 -3.13% 13
Midlands +37 54 £345 -23.33% 4
North of England +68 41 £350 - 17
West Midlands +42 37 £351 -19.90% 2
East of England +8 30 £363 -13.43% 8
North West +28 21 £350 -6.67% 11
Yorkshire +26 18 £338 -2.17% 4
Scotland +34 17 £370 +42.31% 3
East Midlands +3 17 £339 -28.68% 2
South West +10 12 £425 +9.68% 2
North East +76 2 £531 +77.08% 2
Wales - 1 - -

For the 6 months to 24 September 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.

1 484 (72.46%) TDD
2 466 (69.76%) Agile Software Development
3 433 (64.82%) .NET
4 413 (61.83%) C#
5 294 (44.01%) JavaScript
6 287 (42.96%) MVC
7 272 (40.72%) AngularJS
8 261 (39.07%) Scrum
9 245 (36.68%) BDD
10 236 (35.33%) Continuous Integration
11 218 (32.63%) HTML
12 216 (32.34%) OO
13 211 (31.59%) ASP.NET
14 199 (29.79%) SQL Server
15 183 (27.40%) Git (software)
16 182 (27.25%) ASP.NET Web API
17 176 (26.35%) CSS
18 168 (25.15%) Software Engineering
19 165 (24.70%) React
20 161 (24.10%) Java
21 158 (23.65%) Web Services
22 155 (23.20%) SQL
23 135 (20.21%) HTML5
24 134 (20.06%) RESTful
25 133 (19.91%) Microsoft
26 129 (19.31%) Finance
26 129 (19.31%) TeamCity
26 129 (19.31%) REST
27 128 (19.16%) Domain-Driven Design
28 126 (18.86%) Unit Testing

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 41 (6.14%) CMS
2 38 (5.69%) Elasticsearch
3 27 (4.04%) NServiceBus
3 27 (4.04%) SharePoint
4 16 (2.40%) IIS
5 15 (2.25%) Sitecore CMS
6 14 (2.10%) Apache Solr
7 8 (1.20%) Cloud Foundry
7 8 (1.20%) Mule
7 8 (1.20%) Tomcat
8 7 (1.05%) ArcGIS
8 7 (1.05%) Oracle SOA Suite
9 6 (0.90%) EPiServer
10 5 (0.75%) Confluence
11 4 (0.60%) Apache Spark
12 3 (0.45%) BizTalk Server
13 2 (0.30%) Adobe Experience Manager
13 2 (0.30%) Apache
13 2 (0.30%) GemFire
13 2 (0.30%) MQSeries
Applications
1 7 (1.05%) MS Visio
2 2 (0.30%) Microsoft Office
Business Applications
1 15 (2.25%) Dynamics CRM
2 1 (0.15%) SAP CRM
Cloud Services
1 122 (18.26%) Microsoft Azure
2 104 (15.57%) Amazon AWS
3 32 (4.79%) npm
4 21 (3.14%) GitHub
5 17 (2.54%) Yarn
6 10 (1.50%) SaaS
7 6 (0.90%) Dynamics 365
7 6 (0.90%) Office 365
8 5 (0.75%) PaaS
9 4 (0.60%) Amazon S3
10 3 (0.45%) Amazon EC2
10 3 (0.45%) Amazon SQS
10 3 (0.45%) Cloud Computing
10 3 (0.45%) Firebase
10 3 (0.45%) IaaS
11 2 (0.30%) AWS Lambda
11 2 (0.30%) Google Play
11 2 (0.30%) Route 53
12 1 (0.15%) Google Analytics
12 1 (0.15%) Slack
Communications & Networking
1 9 (1.35%) HTTP
2 7 (1.05%) Link 16
3 4 (0.60%) DNS
4 3 (0.45%) Internet
4 3 (0.45%) TCP/IP
5 2 (0.30%) SMS
5 2 (0.30%) SSL
6 1 (0.15%) Multicast
6 1 (0.15%) Wireshark
Database & Business Intelligence
1 199 (29.79%) SQL Server
2 107 (16.02%) NoSQL
3 86 (12.87%) MongoDB
4 36 (5.39%) RavenDB
5 29 (4.34%) SQL Server 2008
6 25 (3.74%) MySQL
7 24 (3.59%) Relational Database
8 16 (2.40%) DocumentDB
8 16 (2.40%) SQL Server 2012
9 15 (2.25%) SQL Server Reporting Services
10 14 (2.10%) SQL Server Integration Services
11 13 (1.95%) SQL Server 2005
12 11 (1.65%) Apache Cassandra
12 11 (1.65%) Neo4j
12 11 (1.65%) SQL Server 2014
13 9 (1.35%) Hadoop
14 8 (1.20%) Data Warehouse
14 8 (1.20%) Oracle Database
15 6 (0.90%) CouchDB
15 6 (0.90%) Redis
Development Applications
1 183 (27.40%) Git (software)
2 129 (19.31%) TeamCity
3 87 (13.02%) Jenkins
4 85 (12.72%) Octopus Deploy
5 73 (10.93%) Team Foundation Server
6 62 (9.28%) NUnit
7 46 (6.89%) IntelliJ
8 45 (6.74%) SpecFlow
8 45 (6.74%) Visual Studio
9 44 (6.59%) gulp
10 37 (5.54%) Grunt
11 32 (4.79%) Maven
12 25 (3.74%) JUnit
13 24 (3.59%) JIRA
13 24 (3.59%) Karma Test Runner
13 24 (3.59%) Subversion
14 22 (3.29%) Gradle
14 22 (3.29%) webpack
15 20 (2.99%) Mocha
16 19 (2.84%) Xcode
General
1 129 (19.31%) Finance
2 100 (14.97%) Banking
3 26 (3.89%) Front Office
4 22 (3.29%) Marketing
5 18 (2.69%) Investment Banking
6 16 (2.40%) Publishing
6 16 (2.40%) Retail
7 10 (1.50%) Advertising
8 7 (1.05%) Avionics
8 7 (1.05%) Financial Institution
8 7 (1.05%) Military
9 6 (0.90%) Games
9 6 (0.90%) Law
9 6 (0.90%) Retail Banking
10 5 (0.75%) Automotive
10 5 (0.75%) Prime Brokerage
11 4 (0.60%) Back Office
12 3 (0.45%) Digital Economy
12 3 (0.45%) Electronics
13 2 (0.30%) Telecoms
Job Titles
1 584 (87.43%) Developer
2 259 (38.77%) .NET Developer
3 174 (26.05%) C# Developer
4 110 (16.47%) C# .NET Developer
5 104 (15.57%) Java Developer
6 71 (10.63%) Full Stack Developer
7 68 (10.18%) Senior Developer
8 64 (9.58%) Angular Developer
9 52 (7.78%) Agile Developer
10 51 (7.63%) ASP.NET MVC Developer
11 38 (5.69%) SQL Developer
12 31 (4.64%) ASP.NET Developer
13 29 (4.34%) Agile .NET Developer
14 25 (3.74%) Software Engineer
15 23 (3.44%) C# ASP.NET Developer
16 22 (3.29%) Senior .NET Developer
16 22 (3.29%) Senior C# Developer
16 22 (3.29%) UI Developer
17 21 (3.14%) iOS Developer
17 21 (3.14%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 433 (64.82%) .NET
2 272 (40.72%) AngularJS
3 218 (32.63%) HTML
4 211 (31.59%) ASP.NET
5 182 (27.25%) ASP.NET Web API
6 176 (26.35%) CSS
7 165 (24.70%) React
8 158 (23.65%) Web Services
9 135 (20.21%) HTML5
10 134 (20.06%) RESTful
11 129 (19.31%) REST
12 113 (16.92%) ASP.NET MVC
13 100 (14.97%) .NET Framework
14 84 (12.57%) Entity Framework
15 76 (11.38%) jQuery
16 75 (11.23%) WCF
17 67 (10.03%) Spring
18 61 (9.13%) Node.js
19 52 (7.78%) WPF
20 48 (7.19%) JSON
Miscellaneous
1 65 (9.73%) User Experience
2 58 (8.68%) Greenfield Project
3 39 (5.84%) Foreign Exchange (FX)
4 34 (5.09%) Fintech
5 26 (3.89%) Enterprise Software
6 23 (3.44%) Computer Science
7 22 (3.29%) Analytical Skills
8 18 (2.69%) Mobile App
9 15 (2.25%) iPhone
10 14 (2.10%) iPad
11 12 (1.80%) Online Banking
12 9 (1.35%) Fixed Income
13 7 (1.05%) Data Structures
14 6 (0.90%) Derivative
15 5 (0.75%) Management Information System
15 5 (0.75%) Mobile Banking
16 4 (0.60%) Equities
16 4 (0.60%) Minimum Viable Product
16 4 (0.60%) OTC Derivatives
16 4 (0.60%) Social Media
Operating Systems
1 67 (10.03%) Windows
2 37 (5.54%) Apple iOS
3 27 (4.04%) Android
4 20 (2.99%) Linux
5 6 (0.90%) Unix
6 2 (0.30%) Windows Server
7 1 (0.15%) Oracle Linux
7 1 (0.15%) Windows Server 2008
Processes & Methodologies
1 484 (72.46%) TDD
2 466 (69.76%) Agile Software Development
3 287 (42.96%) MVC
4 261 (39.07%) Scrum
5 245 (36.68%) BDD
6 236 (35.33%) Continuous Integration
7 216 (32.34%) OO
8 168 (25.15%) Software Engineering
9 128 (19.16%) Domain-Driven Design
10 126 (18.86%) Unit Testing
11 125 (18.71%) Test Automation
12 122 (18.26%) SOA
13 119 (17.81%) Microservices
14 109 (16.32%) Web Development
15 96 (14.37%) Front End Development
16 94 (14.07%) Pair Programming
17 93 (13.92%) Kanban
18 76 (11.38%) DevOps
19 63 (9.43%) Dependency Injection
20 58 (8.68%) OOP
Programming Languages
1 413 (61.83%) C#
2 294 (44.01%) JavaScript
3 161 (24.10%) Java
4 155 (23.20%) SQL
5 48 (7.19%) T-SQL
6 44 (6.59%) TypeScript
7 41 (6.14%) Groovy
8 36 (5.39%) Scala
9 34 (5.09%) PowerShell
10 28 (4.19%) Python
11 26 (3.89%) Objective-C
12 21 (3.14%) Ruby
13 20 (2.99%) Apple Swift
14 16 (2.40%) C
15 15 (2.25%) ES6
15 15 (2.25%) GraphQL
16 14 (2.10%) C++
16 14 (2.10%) VB.NET
17 13 (1.95%) VB
18 12 (1.80%) Shell Script
Qualifications
1 32 (4.79%) Degree
2 20 (2.99%) Computer Science Degree
3 15 (2.25%) Security Cleared
4 10 (1.50%) Microsoft Certification
5 9 (1.35%) SC Cleared
6 1 (0.15%) BPSS Clearance
6 1 (0.15%) DV Cleared
6 1 (0.15%) Master's Degree
6 1 (0.15%) MCP
6 1 (0.15%) PMP
Quality Assurance & Compliance
1 65 (9.73%) QA
2 12 (1.80%) MiFID
3 7 (1.05%) MIL-STD-1553
4 3 (0.45%) SLA
5 2 (0.30%) Disclosure Scotland
5 2 (0.30%) WCAG
6 1 (0.15%) Data Quality
6 1 (0.15%) ISO 14001
6 1 (0.15%) ISO 9001
System Software
1 14 (2.10%) Active Directory
2 10 (1.50%) Docker
3 3 (0.45%) Apache ZooKeeper
Systems Management
1 12 (1.80%) Control-M
1 12 (1.80%) Puppet
2 11 (1.65%) Nagios
3 9 (1.35%) Ansible
3 9 (1.35%) Opscode Chef
4 8 (1.20%) Kubernetes
4 8 (1.20%) ZABBIX
5 6 (0.90%) Kibana
6 3 (0.45%) Graphite
6 3 (0.45%) HAProxy
6 3 (0.45%) HockeyApp
6 3 (0.45%) logstash
7 2 (0.30%) Rundeck
8 1 (0.15%) Business Desktop Deployment
8 1 (0.15%) Terraform
Vendors
1 133 (19.91%) Microsoft
2 46 (6.89%) New Relic
3 24 (3.59%) Oracle
4 23 (3.44%) Apple
5 19 (2.84%) Sitecore
6 10 (1.50%) Xamarin
7 9 (1.35%) AppDynamics
7 9 (1.35%) Splunk
8 8 (1.20%) Reuters
9 7 (1.05%) CA Agile Central
9 7 (1.05%) FXall
9 7 (1.05%) Telerik
10 6 (0.90%) Apigee
10 6 (0.90%) Google
10 6 (0.90%) IBM
10 6 (0.90%) Red Hat
10 6 (0.90%) Solace
11 4 (0.60%) Atlassian
11 4 (0.60%) Sybase
12 3 (0.45%) SAP