Period
to 13 December 2017

The following table provides summary statistics for contract job vacancies advertised in England 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 13 December 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 > England
6 months to
13 Dec 2017
Same period 2016 Same period 2015
Rank 333 483 528
Rank change year-on-year +150 +45 +75
Contract jobs citing SOLID 696 419 363
As % of all contract IT jobs advertised in England 0.73% 0.44% 0.35%
As % of the Processes & Methodologies category 0.86% 0.52% 0.43%
Number of daily rates quoted 592 318 303
England median daily rate £450 £420 £425
Median daily rate % change year-on-year +7.14% -1.18% +6.25%
10th Percentile £325 £313 £325
90th Percentile £588 £541 £550
UK median daily rate £450 £418 £425
% change year-on-year +7.78% -1.76% +6.25%
Number of hourly rates quoted 6 5 3
England median hourly rate £45.00 £42.50 £43.75
Median hourly rate % change year-on-year +5.88% -2.86% -45.31%
10th Percentile £42.50 £39.50 £40.63
90th Percentile £47.50 £52.50 £51.38
UK median hourly rate £45.00 £42.50 £43.75
% change year-on-year +5.88% -2.86% -45.31%

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 advertised in England with a requirement for process or methodology skills.

All Process and Methodology Skills
England
Contract vacancies with a requirement for process or methodology skills 80523 80778 84773
As % of all contract IT jobs advertised in England 84.69% 84.16% 82.31%
Number of daily rates quoted 54291 53807 55985
England median daily rate £450 £430 £425
Median daily rate % change year-on-year +4.65% +1.18% +6.25%
10th Percentile £288 £268 £263
90th Percentile £638 £613 £600
UK median daily rate £450 £425 £420
% change year-on-year +5.88% +1.19% +5.00%
Number of hourly rates quoted 1831 2148 2528
England median hourly rate £25.00 £24.44 £22.00
Median hourly rate % change year-on-year +2.31% +11.07% +15.79%
10th Percentile £11.25 £11.25 £11.25
90th Percentile £50.00 £48.33 £47.50
UK median hourly rate £25.00 £24.00 £22.50
% change year-on-year +4.17% +6.67% +18.42%

SOLID
Job Vacancy Trend in England

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

Job vacancy trend for SOLID in England

SOLID
Contractor Daily Rate Trend in England

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

Contractor daily rate trend for SOLID in England

SOLID
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing SOLID in England over the 6 months to 13 December 2017.

Contractor daily rate histogram for SOLID in England

SOLID
Contractor Hourly Rate Trend in England

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

Contractor hourly rate trend for SOLID in England

SOLID
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing SOLID within the England region over the 6 months to 13 December 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
London +120 423 £488 +4.84% 63
South East +34 104 £388 -6.06% 21
Midlands +10 58 £425 +19.30% 9
North of England +43 51 £341 -18.75% 29
East of England +12 51 £375 +7.91% 17
West Midlands +8 46 £425 +21.43% 5
Yorkshire +14 27 £338 -2.88% 13
North West +16 20 £350 -9.68% 13
South West +14 17 £431 -13.75% 10
East Midlands -1 10 £370 +0.34% 4
North East +60 4 £320 -36.95% 3
SOLID
UK

For the 6 months to 13 December 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 across the England region with a requirement for SOLID.

1 503 (72.27%) Agile Software Development
2 497 (71.41%) TDD
3 484 (69.54%) .NET
4 452 (64.94%) C#
5 341 (48.99%) MVC
6 311 (44.68%) JavaScript
7 281 (40.37%) Scrum
8 265 (38.07%) ASP.NET
9 254 (36.49%) ASP.NET Web API
10 250 (35.92%) HTML
11 248 (35.63%) BDD
12 246 (35.34%) Continuous Integration
13 234 (33.62%) AngularJS
14 203 (29.17%) Git (software)
15 195 (28.02%) SQL Server
16 190 (27.30%) CSS
17 182 (26.15%) OO
18 172 (24.71%) SQL
18 172 (24.71%) React
19 170 (24.43%) Software Engineering
19 170 (24.43%) Microsoft Azure
20 159 (22.84%) RESTful
21 153 (21.98%) Web Services
22 148 (21.26%) ASP.NET MVC
23 141 (20.26%) Domain-Driven Design
24 140 (20.11%) Java
25 137 (19.68%) HTML5
26 133 (19.11%) Microservices
26 133 (19.11%) Finance
27 126 (18.10%) SOA

SOLID
Co-occurring IT Skills in England 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 53 (7.61%) CMS
2 38 (5.46%) Elasticsearch
3 24 (3.45%) SharePoint
4 19 (2.73%) NServiceBus
5 18 (2.59%) Sitecore CMS
6 16 (2.30%) EPiServer
7 14 (2.01%) IIS
8 12 (1.72%) Apache Solr
9 7 (1.01%) Apache ServiceMix
10 6 (0.86%) Oracle SOA Suite
11 4 (0.57%) Apache Spark
11 4 (0.57%) Tomcat
12 3 (0.43%) Apache
12 3 (0.43%) BizTalk Server
12 3 (0.43%) Confluence
12 3 (0.43%) Umbraco
12 3 (0.43%) WebSphere
13 2 (0.29%) Adobe Experience Manager
13 2 (0.29%) MQSeries
13 2 (0.29%) Mule
Applications
1 4 (0.57%) Microsoft Office
2 3 (0.43%) MS Visio
Business Applications
1 10 (1.44%) Dynamics CRM
Cloud Services
1 170 (24.43%) Microsoft Azure
2 101 (14.51%) Amazon AWS
3 26 (3.74%) GitHub
4 20 (2.87%) npm
5 15 (2.16%) Yarn
6 10 (1.44%) SaaS
6 10 (1.44%) Serverless
7 7 (1.01%) Office 365
8 5 (0.72%) Firebase
8 5 (0.72%) Google Play
9 4 (0.57%) Cloud Computing
9 4 (0.57%) Dynamics 365
9 4 (0.57%) PaaS
10 3 (0.43%) Algolia
10 3 (0.43%) Amazon EMR
10 3 (0.43%) IaaS
11 2 (0.29%) Amazon SQS
12 1 (0.14%) Amazon EC2
12 1 (0.14%) Amazon S3
12 1 (0.14%) Route 53
Communications & Networking
1 9 (1.29%) HTTP
1 9 (1.29%) Internet
2 4 (0.57%) SMS
2 4 (0.57%) SSL
3 2 (0.29%) DNS
Database & Business Intelligence
1 195 (28.02%) SQL Server
2 103 (14.80%) NoSQL
3 99 (14.22%) MongoDB
4 31 (4.45%) RavenDB
5 26 (3.74%) Relational Database
6 24 (3.45%) SQL Server 2008
7 21 (3.02%) SQL Server 2005
8 18 (2.59%) MySQL
9 17 (2.44%) DocumentDB
10 16 (2.30%) SQL Server Integration Services
11 14 (2.01%) SQL Server Reporting Services
12 13 (1.87%) Data Warehouse
12 13 (1.87%) SQL Server 2014
13 12 (1.72%) SQL Server 2012
14 10 (1.44%) Neo4j
15 9 (1.29%) Apache Cassandra
15 9 (1.29%) RDBMS
16 6 (0.86%) Hadoop
17 5 (0.72%) Azure SQL Database
17 5 (0.72%) CouchDB
Development Applications
1 203 (29.17%) Git (software)
2 112 (16.09%) TeamCity
3 73 (10.49%) Octopus Deploy
4 72 (10.34%) Jenkins
5 66 (9.48%) Team Foundation Server
6 48 (6.90%) Maven
6 48 (6.90%) NUnit
7 42 (6.03%) gulp
8 41 (5.89%) Grunt
9 40 (5.75%) IntelliJ
10 34 (4.89%) SpecFlow
11 33 (4.74%) Visual Studio
12 31 (4.45%) Karma Test Runner
13 30 (4.31%) Jasmine
14 28 (4.02%) Mocha
15 25 (3.59%) JIRA
15 25 (3.59%) JUnit
16 22 (3.16%) Gradle
16 22 (3.16%) Selenium
16 22 (3.16%) Subversion
General
1 133 (19.11%) Finance
2 73 (10.49%) Banking
3 27 (3.88%) Marketing
4 20 (2.87%) Publishing
5 16 (2.30%) Front Office
6 13 (1.87%) Investment Banking
7 12 (1.72%) Financial Institution
8 9 (1.29%) Games
8 9 (1.29%) Law
9 7 (1.01%) Advertising
9 7 (1.01%) Retail
10 5 (0.72%) Automotive
10 5 (0.72%) Electronics
10 5 (0.72%) Legal
11 3 (0.43%) Back Office
12 2 (0.29%) Digital Economy
12 2 (0.29%) Manufacturing
12 2 (0.29%) Prime Brokerage
12 2 (0.29%) Retail Banking
13 1 (0.14%) Telecoms
Job Titles
1 631 (90.66%) Developer
2 292 (41.95%) .NET Developer
3 210 (30.17%) C# Developer
4 137 (19.68%) C# .NET Developer
5 86 (12.36%) Java Developer
6 78 (11.21%) Senior Developer
7 56 (8.05%) ASP.NET MVC Developer
7 56 (8.05%) Full Stack Developer
8 54 (7.76%) Angular Developer
9 53 (7.61%) SQL Developer
10 51 (7.33%) Agile Developer
11 33 (4.74%) ASP.NET Developer
12 32 (4.60%) Senior .NET Developer
13 31 (4.45%) SQL Server Developer
14 30 (4.31%) C# ASP.NET Developer
15 29 (4.17%) Azure Developer
15 29 (4.17%) Senior C# Developer
16 28 (4.02%) JavaScript Developer
17 26 (3.74%) Agile C# Developer
17 26 (3.74%) Lead Developer
Libraries, Frameworks & Software Standards
1 484 (69.54%) .NET
2 265 (38.07%) ASP.NET
3 254 (36.49%) ASP.NET Web API
4 250 (35.92%) HTML
5 234 (33.62%) AngularJS
6 190 (27.30%) CSS
7 172 (24.71%) React
8 159 (22.84%) RESTful
9 153 (21.98%) Web Services
10 148 (21.26%) ASP.NET MVC
11 137 (19.68%) HTML5
12 124 (17.82%) REST
13 119 (17.10%) .NET Framework
14 88 (12.64%) Entity Framework
15 85 (12.21%) WCF
16 84 (12.07%) jQuery
17 67 (9.63%) Node.js
18 62 (8.91%) Spring
19 48 (6.90%) KnockoutJS
20 40 (5.75%) XML
Miscellaneous
1 74 (10.63%) Greenfield Project
2 73 (10.49%) User Experience
3 37 (5.32%) Enterprise Software
4 35 (5.03%) Fintech
5 34 (4.89%) Mobile App
6 32 (4.60%) Analytical Skills
7 25 (3.59%) Foreign Exchange (FX)
8 20 (2.87%) Computer Science
9 18 (2.59%) Online Banking
10 17 (2.44%) iPhone
11 16 (2.30%) iPad
12 10 (1.44%) Hedge funds
13 7 (1.01%) Fixed Income
13 7 (1.01%) Virtual Team
14 5 (0.72%) Linux Command Line
14 5 (0.72%) Management Information System
15 4 (0.57%) Derivative
15 4 (0.57%) Minimum Viable Product
16 3 (0.43%) Data Structures
16 3 (0.43%) Enterprise Cloud
Operating Systems
1 56 (8.05%) Windows
2 40 (5.75%) Apple iOS
3 34 (4.89%) Linux
4 26 (3.74%) Android
5 4 (0.57%) CentOS
5 4 (0.57%) Unix
6 3 (0.43%) Windows Server
7 1 (0.14%) Oracle Linux
7 1 (0.14%) Solaris
7 1 (0.14%) Windows Server 2008
Processes & Methodologies
1 503 (72.27%) Agile Software Development
2 497 (71.41%) TDD
3 341 (48.99%) MVC
4 281 (40.37%) Scrum
5 248 (35.63%) BDD
6 246 (35.34%) Continuous Integration
7 182 (26.15%) OO
8 170 (24.43%) Software Engineering
9 141 (20.26%) Domain-Driven Design
10 133 (19.11%) Microservices
11 126 (18.10%) SOA
12 123 (17.67%) Test Automation
13 105 (15.09%) Web Development
14 103 (14.80%) Kanban
15 98 (14.08%) Unit Testing
16 91 (13.07%) Front End Development
17 83 (11.93%) Pair Programming
18 73 (10.49%) DevOps
19 58 (8.33%) Continuous Improvement
19 58 (8.33%) OOP
Programming Languages
1 452 (64.94%) C#
2 311 (44.68%) JavaScript
3 172 (24.71%) SQL
4 140 (20.11%) Java
5 51 (7.33%) T-SQL
6 40 (5.75%) TypeScript
7 36 (5.17%) Groovy
8 30 (4.31%) PowerShell
9 27 (3.88%) Objective-C
10 23 (3.30%) Python
11 22 (3.16%) PHP
11 22 (3.16%) Scala
12 21 (3.02%) Apple Swift
13 17 (2.44%) C
14 16 (2.30%) ES6
15 15 (2.16%) VB.NET
16 14 (2.01%) GraphQL
17 13 (1.87%) Ruby
18 10 (1.44%) Go
19 6 (0.86%) C++
Qualifications
1 18 (2.59%) Degree
2 12 (1.72%) Computer Science Degree
3 4 (0.57%) Security Cleared
4 3 (0.43%) Master's Degree
5 2 (0.29%) Microsoft Certification
6 1 (0.14%) BPSS Clearance
6 1 (0.14%) DV Cleared
6 1 (0.14%) PMP
Quality Assurance & Compliance
1 54 (7.76%) QA
2 8 (1.15%) PCI DSS
2 8 (1.15%) WCAG
3 6 (0.86%) MiFID
4 2 (0.29%) HL7
5 1 (0.14%) Data Quality
5 1 (0.14%) Disclosure Scotland
5 1 (0.14%) ISO 14001
5 1 (0.14%) ISO 9001
5 1 (0.14%) PMO
5 1 (0.14%) PSD2
System Software
1 12 (1.72%) Active Directory
2 6 (0.86%) Docker
Systems Management
1 18 (2.59%) Puppet
2 16 (2.30%) Ansible
2 16 (2.30%) Opscode Chef
3 8 (1.15%) Nagios
3 8 (1.15%) ZABBIX
4 5 (0.72%) Control-M
5 1 (0.14%) Business Desktop Deployment
5 1 (0.14%) HP Quality Center
5 1 (0.14%) Kubernetes
5 1 (0.14%) Terraform
Vendors
1 108 (15.52%) Microsoft
2 43 (6.18%) New Relic
3 28 (4.02%) Apple
4 23 (3.30%) Oracle
5 22 (3.16%) Sitecore
6 18 (2.59%) Xamarin
7 12 (1.72%) Google
8 8 (1.15%) AppDynamics
8 8 (1.15%) Splunk
9 7 (1.01%) Red Hat
9 7 (1.01%) Reuters
10 6 (0.86%) Apigee
10 6 (0.86%) FXall
11 5 (0.72%) Zend
12 4 (0.57%) IBM
12 4 (0.57%) Telerik
13 3 (0.43%) Atlassian
13 3 (0.43%) Charles River
13 3 (0.43%) Cypress Semiconductor
13 3 (0.43%) Facebook