Period
to 16 January 2018

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 16 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.

SOLID Principles
UK
6 months to
16 Jan 2018
Same period 2017 Same period 2016
Rank 333 501 550
Rank change year-on-year +168 +49 +5
Contract jobs citing SOLID 713 411 352
As % of all contract IT jobs advertised in the UK 0.71% 0.43% 0.33%
As % of the Processes & Methodologies category 0.84% 0.51% 0.40%
Number of daily rates quoted 623 311 278
UK median daily rate £450 £403 £450
Median daily rate % change year-on-year +11.80% -10.56% +12.50%
10th Percentile £319 £308 £325
90th Percentile £588 £538 £550
UK excluding London median daily rate £388 £375 £400
% change year-on-year +3.33% -6.25% +6.67%
Number of hourly rates quoted 3 3 8
UK median hourly rate £45.00 £42.50 £37.75
Median hourly rate % change year-on-year +5.88% +12.58% -52.81%
10th Percentile £42.50 £42.50 £37.00
90th Percentile £47.50 £54.50 £48.56
UK excluding London median hourly rate £45.00 £42.50 £37.75
% change year-on-year +5.88% +12.58% -

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 84,708 80,985 88,418
As % of all contract IT jobs advertised in the UK 84.49% 83.85% 82.47%
Number of daily rates quoted 56,780 53,648 57,331
UK median daily rate £450 £425 £425
Median daily rate % change year-on-year +5.88% - +6.25%
10th Percentile £285 £263 £263
90th Percentile £638 £613 £600
UK excluding London median daily rate £410 £400 £390
% change year-on-year +2.50% +2.56% +4.00%
Number of hourly rates quoted 1,963 2,249 2,692
UK median hourly rate £23.75 £24.43 £23.43
Median hourly rate % change year-on-year -2.78% +4.29% +17.13%
10th Percentile £11.45 £11.25 £11.25
90th Percentile £50.00 £48.75 £50.00
UK excluding London median hourly rate £24.29 £24.00 £25.00
% change year-on-year +1.21% -4.00% +25.00%

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 16 January 2018.

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 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 16 January 2018. 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 +135 679 £470 +16.77% 277
London +107 408 £475 +5.56% 110
UK excluding London +83 305 £388 +3.33% 177
South East +17 86 £388 -6.06% 48
Midlands +9 75 £425 +21.43% 19
West Midlands +11 60 £425 +21.43% 10
North of England +26 50 £350 -16.67% 53
East of England +17 49 £363 +3.57% 30
Yorkshire +20 31 £350 -9.68% 21
Scotland +14 31 £362 +3.36% 6
South West +23 20 £425 +30.77% 17
North West +12 14 £356 -6.56% 30
East Midlands +6 13 £400 +8.47% 9
North East +51 5 £320 -36.95% 2
Wales - 3 £375 - 4

For the 6 months to 16 January 2018, 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 (72.37%) Agile Software Development
2 515 (72.23%) .NET
3 502 (70.41%) TDD
4 481 (67.46%) C#
5 364 (51.05%) MVC
6 334 (46.84%) JavaScript
7 286 (40.11%) ASP.NET
8 278 (38.99%) Scrum
9 277 (38.85%) ASP.NET Web API
10 264 (37.03%) HTML
11 258 (36.19%) BDD
12 245 (34.36%) Continuous Integration
13 220 (30.86%) AngularJS
14 214 (30.01%) Git (software)
15 213 (29.87%) SQL Server
16 208 (29.17%) CSS
17 186 (26.09%) Microsoft Azure
18 183 (25.67%) OO
19 174 (24.40%) React
20 169 (23.70%) SQL
21 161 (22.58%) Web Services
22 158 (22.16%) ASP.NET MVC
23 156 (21.88%) RESTful
24 151 (21.18%) Software Engineering
25 139 (19.50%) SOA
26 136 (19.07%) HTML5
27 135 (18.93%) Java
28 132 (18.51%) .NET Framework
29 131 (18.37%) Test Automation
29 131 (18.37%) Domain-Driven Design

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 54 (7.57%) CMS
2 42 (5.89%) Elasticsearch
3 22 (3.09%) SharePoint
4 21 (2.95%) Sitecore CMS
5 20 (2.81%) NServiceBus
6 19 (2.66%) EPiServer
7 12 (1.68%) Oracle SOA Suite
8 11 (1.54%) IIS
9 9 (1.26%) Apache Solr
10 8 (1.12%) Apache ServiceMix
11 4 (0.56%) Confluence
12 3 (0.42%) Apache
12 3 (0.42%) Umbraco
12 3 (0.42%) WebSphere
13 2 (0.28%) Adobe Experience Manager
13 2 (0.28%) BizTalk Server
13 2 (0.28%) MQSeries
14 1 (0.14%) JBoss
14 1 (0.14%) Mule
14 1 (0.14%) Sitefinity
Applications
1 3 (0.42%) Microsoft Office
Business Applications
1 7 (0.98%) Dynamics CRM
Cloud Services
1 186 (26.09%) Microsoft Azure
2 89 (12.48%) Amazon AWS
3 20 (2.81%) npm
4 19 (2.66%) Yarn
5 17 (2.38%) GitHub
6 14 (1.96%) Serverless
7 12 (1.68%) SaaS
8 9 (1.26%) Algolia
9 7 (0.98%) Office 365
10 5 (0.70%) Firebase
10 5 (0.70%) Google Play
11 3 (0.42%) Amazon EMR
11 3 (0.42%) Cloud Computing
11 3 (0.42%) IaaS
11 3 (0.42%) PaaS
12 2 (0.28%) Dynamics 365
13 1 (0.14%) Amazon SQS
13 1 (0.14%) Google Analytics
13 1 (0.14%) Google Cloud Platform
13 1 (0.14%) Sauce Labs
Communications & Networking
1 9 (1.26%) HTTP
1 9 (1.26%) Internet
2 5 (0.70%) SMS
2 5 (0.70%) SSL
3 4 (0.56%) TCP/IP
4 2 (0.28%) DNS
5 1 (0.14%) AMQP
5 1 (0.14%) Skype
Database & Business Intelligence
1 213 (29.87%) SQL Server
2 93 (13.04%) MongoDB
3 83 (11.64%) NoSQL
4 27 (3.79%) RavenDB
4 27 (3.79%) SQL Server 2008
5 23 (3.23%) Relational Database
5 23 (3.23%) SQL Server 2005
6 22 (3.09%) MySQL
7 18 (2.52%) SQL Server Integration Services
8 14 (1.96%) Cosmos DB
9 13 (1.82%) Neo4j
9 13 (1.82%) SQL Server 2014
9 13 (1.82%) SQL Server Reporting Services
10 11 (1.54%) Data Warehouse
11 10 (1.40%) PostgreSQL
11 10 (1.40%) RDBMS
11 10 (1.40%) SQL Server 2012
12 6 (0.84%) Apache Cassandra
12 6 (0.84%) Hadoop
13 5 (0.70%) Azure SQL Database
Development Applications
1 214 (30.01%) Git (software)
2 98 (13.74%) TeamCity
3 62 (8.70%) Jenkins
4 54 (7.57%) Octopus Deploy
5 53 (7.43%) Team Foundation Server
6 47 (6.59%) Maven
7 41 (5.75%) NUnit
7 41 (5.75%) Visual Studio
8 39 (5.47%) gulp
9 38 (5.33%) Grunt
10 35 (4.91%) IntelliJ
11 32 (4.49%) Jasmine
12 31 (4.35%) Karma Test Runner
13 30 (4.21%) Mocha
14 25 (3.51%) JIRA
15 24 (3.37%) SpecFlow
16 23 (3.23%) JUnit
16 23 (3.23%) Selenium
16 23 (3.23%) Subversion
17 19 (2.66%) FitNesse
General
1 123 (17.25%) Finance
2 55 (7.71%) Banking
3 31 (4.35%) Marketing
4 16 (2.24%) Front Office
4 16 (2.24%) Games
5 13 (1.82%) Investment Banking
6 11 (1.54%) Publishing
7 10 (1.40%) Advertising
7 10 (1.40%) Financial Institution
8 9 (1.26%) Law
9 7 (0.98%) Legal
10 4 (0.56%) Automotive
10 4 (0.56%) Electronics
10 4 (0.56%) Retail
11 2 (0.28%) Back Office
11 2 (0.28%) Digital Economy
11 2 (0.28%) Manufacturing
11 2 (0.28%) Prime Brokerage
12 1 (0.14%) Retail Banking
12 1 (0.14%) Telecoms
Job Titles
1 636 (89.20%) Developer
2 290 (40.67%) .NET Developer
3 208 (29.17%) C# Developer
4 129 (18.09%) C# .NET Developer
5 90 (12.62%) Senior Developer
6 70 (9.82%) Java Developer
7 56 (7.85%) Agile Developer
8 52 (7.29%) SQL Developer
9 49 (6.87%) ASP.NET MVC Developer
10 48 (6.73%) Full Stack Developer
11 42 (5.89%) Senior .NET Developer
12 41 (5.75%) Angular Developer
13 34 (4.77%) SQL Server Developer
14 33 (4.63%) ASP.NET Developer
15 31 (4.35%) C# ASP.NET Developer
16 30 (4.21%) Agile C# Developer
16 30 (4.21%) JavaScript Developer
16 30 (4.21%) Lead Developer
16 30 (4.21%) Senior C# Developer
17 28 (3.93%) Azure Developer
Libraries, Frameworks & Software Standards
1 515 (72.23%) .NET
2 286 (40.11%) ASP.NET
3 277 (38.85%) ASP.NET Web API
4 264 (37.03%) HTML
5 220 (30.86%) AngularJS
6 208 (29.17%) CSS
7 174 (24.40%) React
8 161 (22.58%) Web Services
9 158 (22.16%) ASP.NET MVC
10 156 (21.88%) RESTful
11 136 (19.07%) HTML5
12 132 (18.51%) .NET Framework
13 123 (17.25%) REST
14 90 (12.62%) Entity Framework
15 87 (12.20%) WCF
16 84 (11.78%) jQuery
17 69 (9.68%) Node.js
18 52 (7.29%) Spring
19 51 (7.15%) KnockoutJS
20 44 (6.17%) Dapper ORM
Miscellaneous
1 73 (10.24%) Greenfield Project
2 55 (7.71%) User Experience
3 47 (6.59%) Enterprise Software
4 32 (4.49%) Mobile App
5 31 (4.35%) Analytical Skills
6 30 (4.21%) Fintech
7 18 (2.52%) Computer Science
8 17 (2.38%) Algorithms
9 15 (2.10%) Foreign Exchange (FX)
9 15 (2.10%) Online Banking
10 11 (1.54%) Hedge funds
11 8 (1.12%) Data Structures
11 8 (1.12%) Virtual Team
12 7 (0.98%) iPad
12 7 (0.98%) iPhone
13 6 (0.84%) Linux Command Line
14 5 (0.70%) Fixed Income
14 5 (0.70%) Management Information System
15 4 (0.56%) Device Driver
15 4 (0.56%) Wiki
Operating Systems
1 46 (6.45%) Windows
2 37 (5.19%) Linux
3 29 (4.07%) Apple iOS
4 22 (3.09%) Android
5 4 (0.56%) CentOS
5 4 (0.56%) Unix
6 3 (0.42%) Windows Server
7 1 (0.14%) Solaris
7 1 (0.14%) Ubuntu
7 1 (0.14%) Windows Server 2008
Processes & Methodologies
1 516 (72.37%) Agile Software Development
2 502 (70.41%) TDD
3 364 (51.05%) MVC
4 278 (38.99%) Scrum
5 258 (36.19%) BDD
6 245 (34.36%) Continuous Integration
7 183 (25.67%) OO
8 151 (21.18%) Software Engineering
9 139 (19.50%) SOA
10 131 (18.37%) Domain-Driven Design
10 131 (18.37%) Test Automation
11 126 (17.67%) Microservices
12 118 (16.55%) Kanban
13 106 (14.87%) Web Development
14 93 (13.04%) Unit Testing
15 92 (12.90%) Pair Programming
16 80 (11.22%) Front End Development
17 69 (9.68%) DevOps
18 61 (8.56%) OOP
19 59 (8.27%) E-Commerce
Programming Languages
1 481 (67.46%) C#
2 334 (46.84%) JavaScript
3 169 (23.70%) SQL
4 135 (18.93%) Java
5 49 (6.87%) T-SQL
6 41 (5.75%) TypeScript
7 31 (4.35%) Groovy
8 25 (3.51%) PHP
8 25 (3.51%) PowerShell
9 22 (3.09%) C
10 21 (2.95%) ES6
11 20 (2.81%) Python
12 17 (2.38%) GraphQL
13 16 (2.24%) Objective-C
14 14 (1.96%) VB.NET
15 13 (1.82%) Apple Swift
15 13 (1.82%) C++
16 12 (1.68%) Scala
17 9 (1.26%) Go
18 8 (1.12%) Ruby
Qualifications
1 15 (2.10%) Degree
2 8 (1.12%) Computer Science Degree
3 3 (0.42%) Master's Degree
4 2 (0.28%) Microsoft Certification
4 2 (0.28%) Security Cleared
5 1 (0.14%) BPSS Clearance
5 1 (0.14%) DV Cleared
5 1 (0.14%) PMP
Quality Assurance & Compliance
1 42 (5.89%) QA
2 13 (1.82%) PCI DSS
3 8 (1.12%) WCAG
4 4 (0.56%) MiFID
5 3 (0.42%) HL7
6 2 (0.28%) Disclosure Scotland
7 1 (0.14%) Data Quality
7 1 (0.14%) ISO 14001
7 1 (0.14%) ISO 9001
7 1 (0.14%) PMO
7 1 (0.14%) PSD2
System Software
1 10 (1.40%) Active Directory
2 9 (1.26%) Docker
Systems Management
1 14 (1.96%) Opscode Chef
1 14 (1.96%) Puppet
2 13 (1.82%) Ansible
3 8 (1.12%) Nagios
3 8 (1.12%) ZABBIX
4 5 (0.70%) Control-M
5 3 (0.42%) Kubernetes
6 1 (0.14%) Business Desktop Deployment
6 1 (0.14%) HP Quality Center
Vendors
1 96 (13.46%) Microsoft
2 40 (5.61%) New Relic
3 30 (4.21%) Sitecore
4 28 (3.93%) Oracle
5 21 (2.95%) Xamarin
6 19 (2.66%) Apple
7 17 (2.38%) Red Hat
8 12 (1.68%) Google
9 9 (1.26%) Reuters
10 8 (1.12%) AppDynamics
10 8 (1.12%) FXall
10 8 (1.12%) Splunk
11 7 (0.98%) Zend
12 6 (0.84%) Apigee
13 5 (0.70%) Cypress Semiconductor
14 4 (0.56%) IBM
15 3 (0.42%) Charles River
15 3 (0.42%) Facebook
16 2 (0.28%) DevExpress
16 2 (0.28%) Fiserv