Period
to 19 August 2018

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 19 August 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 > England
6 months to
19 Aug 2018
Same period 2017 Same period 2016
Rank 335 341 523
Rank change year-on-year +6 +182 -50
Contract jobs citing SOLID 710 636 377
As % of all contract IT jobs advertised in England 0.76% 0.72% 0.38%
As % of the Processes & Methodologies category 0.88% 0.83% 0.44%
Number of daily rates quoted 578 499 304
England median daily rate £475 £463 £450
Median daily rate % change year-on-year +2.70% +2.78% +20.00%
10th Percentile £350 £319 £325
90th Percentile £627 £600 £556
UK median daily rate £475 £463 £450
% change year-on-year +2.70% +2.78% +20.00%
Number of hourly rates quoted 3 17 3
England median hourly rate £47.50 £50.00 £45.00
Median hourly rate % change year-on-year -5.00% +11.11% -
10th Percentile £24.65 £42.50 £39.00
90th Percentile £48.75 £61.80 £55.00
UK median hourly rate £47.50 £50.00 £45.00
% change year-on-year -5.00% +11.11% -

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 80,569 76,256 85,382
As % of all contract IT jobs advertised in England 86.30% 85.77% 85.04%
Number of daily rates quoted 53,615 50,302 56,978
England median daily rate £463 £450 £425
Median daily rate % change year-on-year +2.78% +5.88% +3.66%
10th Percentile £300 £281 £264
90th Percentile £638 £625 £606
UK median daily rate £450 £450 £425
% change year-on-year - +5.88% +6.25%
Number of hourly rates quoted 2,178 1,891 2,066
England median hourly rate £21.50 £24.00 £23.00
Median hourly rate % change year-on-year -10.42% +4.35% +6.73%
10th Percentile £11.25 £11.25 £11.68
90th Percentile £50.00 £50.00 £47.83
UK median hourly rate £21.00 £25.00 £23.50
% change year-on-year -16.00% +6.38% +9.05%

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 19 August 2018.

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
Contractor Hourly Rate Histogram in England

The hourly rate distribution of IT jobs citing SOLID in England over the 6 months to 19 August 2018.

Contractor hourly rate histogram 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 19 August 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
London +6 452 £500 - 132
South East -29 81 £425 +6.25% 44
North of England +13 74 £396 +10.45% 58
Midlands -15 48 £413 +22.22% 35
Yorkshire +13 38 £400 +12.28% 13
North West +5 34 £390 +11.43% 40
West Midlands -24 32 £425 +25.93% 22
South West +3 28 £525 +31.25% 19
East of England 0 27 £420 +15.86% 26
East Midlands -4 16 £340 +0.37% 13
North East -7 2 £350 -33.96% 5
SOLID
UK

For the 6 months to 19 August 2018, IT contractor jobs citing SOLID also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the England region with a requirement for SOLID.

1 517 (72.82%) .NET
2 514 (72.39%) C#
3 494 (69.58%) Agile Software Development
4 415 (58.45%) TDD
5 324 (45.63%) MVC
6 318 (44.79%) JavaScript
7 317 (44.65%) ASP.NET
8 253 (35.63%) SQL Server
9 250 (35.21%) Microsoft Azure
10 241 (33.94%) ASP.NET Web API
11 238 (33.52%) OO
12 213 (30.00%) SQL
13 212 (29.86%) Microservices
14 210 (29.58%) HTML
15 208 (29.30%) AngularJS
16 190 (26.76%) ASP.NET MVC
17 187 (26.34%) Scrum
18 181 (25.49%) Continuous Integration
19 170 (23.94%) BDD
20 154 (21.69%) Git (software)
21 153 (21.55%) React
22 147 (20.70%) CSS
23 133 (18.73%) .NET Framework
24 122 (17.18%) SOA
25 117 (16.48%) Software Engineering
26 116 (16.34%) RESTful
27 115 (16.20%) REST
28 112 (15.77%) HTML5
28 112 (15.77%) Web Services
29 111 (15.63%) Finance

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 39 (5.49%) NServiceBus
2 27 (3.80%) Elasticsearch
3 25 (3.52%) CMS
4 13 (1.83%) IIS
5 11 (1.55%) EPiServer
6 10 (1.41%) Sitecore CMS
7 8 (1.13%) Apache
7 8 (1.13%) Umbraco
8 7 (0.99%) Tomcat
9 6 (0.85%) Oracle SOA Suite
10 5 (0.70%) Confluence
11 3 (0.42%) Apache Solr
11 3 (0.42%) JBoss
11 3 (0.42%) OpenStack
11 3 (0.42%) WebSphere
12 2 (0.28%) Adobe Experience Manager
12 2 (0.28%) Cloud Foundry
12 2 (0.28%) Oracle Workflow
13 1 (0.14%) Apache Spark
Applications
1 3 (0.42%) Adobe Illustrator
1 3 (0.42%) InVision
1 3 (0.42%) Photoshop
2 2 (0.28%) Microsoft Excel
2 2 (0.28%) Spreadsheet
3 1 (0.14%) Chatbot
3 1 (0.14%) MS Visio
Business Applications
1 8 (1.13%) Dynamics CRM
2 4 (0.56%) Payment Gateway
3 2 (0.28%) Oracle BPM
Cloud Services
1 250 (35.21%) Microsoft Azure
2 103 (14.51%) Amazon AWS
3 37 (5.21%) Serverless
4 23 (3.24%) Azure Functions
5 16 (2.25%) npm
6 14 (1.97%) AWS Lambda
6 14 (1.97%) SaaS
7 11 (1.55%) Cloud Computing
8 9 (1.27%) TestFlight
9 6 (0.85%) Amazon SQS
10 5 (0.70%) Amazon S3
10 5 (0.70%) GitHub
11 3 (0.42%) Algolia
11 3 (0.42%) Amazon CloudWatch
11 3 (0.42%) Amazon EC2
11 3 (0.42%) PaaS
11 3 (0.42%) Yarn
12 2 (0.28%) CloudFront
12 2 (0.28%) NuGet
12 2 (0.28%) Sauce Labs
Communications & Networking
1 20 (2.82%) HTTP
2 8 (1.13%) MQTT
3 6 (0.85%) Internet
4 5 (0.70%) SMS
4 5 (0.70%) SSL
5 3 (0.42%) DNS
6 2 (0.28%) HTTPS
7 1 (0.14%) Intranet
Database & Business Intelligence
1 253 (35.63%) SQL Server
2 73 (10.28%) NoSQL
3 46 (6.48%) MongoDB
3 46 (6.48%) Relational Database
4 27 (3.80%) SQL Server 2012
5 18 (2.54%) SQL Server Reporting Services
6 17 (2.39%) Apache Cassandra
7 16 (2.25%) Redis
7 16 (2.25%) SQL Server 2014
8 12 (1.69%) RavenDB
8 12 (1.69%) RDBMS
8 12 (1.69%) SQL Server 2008
9 11 (1.55%) MySQL
10 10 (1.41%) Big Data
11 9 (1.27%) SQL Server 2005
12 8 (1.13%) Hadoop
13 7 (0.99%) Cosmos DB
13 7 (0.99%) Neo4j
14 6 (0.85%) Azure SQL Database
14 6 (0.85%) PostgreSQL
Development Applications
1 154 (21.69%) Git (software)
2 98 (13.80%) TeamCity
3 63 (8.87%) Octopus Deploy
3 63 (8.87%) Visual Studio
4 60 (8.45%) NUnit
5 58 (8.17%) Jenkins
6 38 (5.35%) SpecFlow
7 37 (5.21%) Selenium
8 35 (4.93%) Team Foundation Server
9 32 (4.51%) JIRA
10 30 (4.23%) JUnit
10 30 (4.23%) Subversion
11 27 (3.80%) Visual Studio Team System
12 21 (2.96%) gulp
12 21 (2.96%) Maven
12 21 (2.96%) ReSharper
13 17 (2.39%) Atlassian Bamboo
14 16 (2.25%) git-flow
14 16 (2.25%) Mockito
15 15 (2.11%) Xcode
General
1 111 (15.63%) Finance
2 90 (12.68%) Banking
3 39 (5.49%) Front Office
4 33 (4.65%) Investment Banking
5 26 (3.66%) Retail
6 20 (2.82%) Law
7 17 (2.39%) Legal
8 13 (1.83%) Games
9 12 (1.69%) Financial Institution
10 11 (1.55%) Marketing
11 9 (1.27%) Back Office
12 7 (0.99%) Advertising
13 6 (0.85%) Corporate Banking
14 5 (0.70%) Manufacturing
15 2 (0.28%) Brand Awareness
15 2 (0.28%) Publishing
15 2 (0.28%) Telecoms
16 1 (0.14%) Automotive
16 1 (0.14%) Retail Banking
Job Titles
1 635 (89.44%) Developer
2 340 (47.89%) .NET Developer
3 221 (31.13%) C# Developer
4 125 (17.61%) C# .NET Developer
5 85 (11.97%) Senior Developer
6 75 (10.56%) Full Stack Developer
7 66 (9.30%) ASP.NET Developer
8 60 (8.45%) Azure Developer
9 58 (8.17%) Senior .NET Developer
10 47 (6.62%) JavaScript Developer
11 46 (6.48%) React Developer
12 45 (6.34%) Java Developer
13 43 (6.06%) Angular Developer
14 42 (5.92%) Software Developer
15 40 (5.63%) SQL Developer
16 39 (5.49%) C# ASP.NET Developer
17 36 (5.07%) Agile Developer
18 33 (4.65%) HTML Developer
18 33 (4.65%) Software Engineer
19 32 (4.51%) Agile .NET Developer
Libraries, Frameworks & Software Standards
1 517 (72.82%) .NET
2 317 (44.65%) ASP.NET
3 241 (33.94%) ASP.NET Web API
4 210 (29.58%) HTML
5 208 (29.30%) AngularJS
6 190 (26.76%) ASP.NET MVC
7 153 (21.55%) React
8 147 (20.70%) CSS
9 133 (18.73%) .NET Framework
10 116 (16.34%) RESTful
11 115 (16.20%) REST
12 112 (15.77%) HTML5
12 112 (15.77%) Web Services
13 90 (12.68%) .NET Core
14 77 (10.85%) Entity Framework
14 77 (10.85%) WCF
15 71 (10.00%) Node.js
16 66 (9.30%) jQuery
16 66 (9.30%) WPF
17 43 (6.06%) Spring
Miscellaneous
1 73 (10.28%) Greenfield Project
2 55 (7.75%) Computer Science
3 50 (7.04%) Fintech
4 47 (6.62%) Enterprise Software
5 42 (5.92%) User Experience
6 31 (4.37%) Self-Motivation
7 23 (3.24%) Algorithms
8 21 (2.96%) Mobile App
9 20 (2.82%) Data Structures
9 20 (2.82%) Fixed Income
9 20 (2.82%) Hedge funds
10 18 (2.54%) Market Risk
11 15 (2.11%) Analytical Skills
12 14 (1.97%) Credit Risk
13 11 (1.55%) Foreign Exchange (FX)
14 8 (1.13%) Grid Computing
15 6 (0.85%) Internet of Things
16 5 (0.70%) Derivative
16 5 (0.70%) Online Gambling
16 5 (0.70%) OTC Derivatives
Operating Systems
1 44 (6.20%) Windows
2 23 (3.24%) Linux
3 20 (2.82%) Apple iOS
4 12 (1.69%) Android
5 10 (1.41%) Unix
6 3 (0.42%) Mac OS
6 3 (0.42%) Windows 7
6 3 (0.42%) Windows 8
7 2 (0.28%) Solaris
7 2 (0.28%) Windows Server
7 2 (0.28%) Windows Server 2008
8 1 (0.14%) Nucleus RTOS
8 1 (0.14%) VMS
8 1 (0.14%) Windows Phone
Processes & Methodologies
1 494 (69.58%) Agile Software Development
2 415 (58.45%) TDD
3 324 (45.63%) MVC
4 238 (33.52%) OO
5 212 (29.86%) Microservices
6 187 (26.34%) Scrum
7 181 (25.49%) Continuous Integration
8 170 (23.94%) BDD
9 122 (17.18%) SOA
10 117 (16.48%) Software Engineering
11 91 (12.82%) Unit Testing
12 85 (11.97%) OOP
13 83 (11.69%) Test Automation
14 69 (9.72%) E-Commerce
15 64 (9.01%) Web Development
16 61 (8.59%) Kanban
16 61 (8.59%) Pair Programming
17 60 (8.45%) DevOps
17 60 (8.45%) Multithreading
18 56 (7.89%) Domain-Driven Design
Programming Languages
1 514 (72.39%) C#
2 318 (44.79%) JavaScript
3 213 (30.00%) SQL
4 76 (10.70%) Java
5 60 (8.45%) T-SQL
6 52 (7.32%) TypeScript
7 29 (4.08%) Python
8 22 (3.10%) Java 8
9 21 (2.96%) PowerShell
10 20 (2.82%) C++
11 17 (2.39%) Apple Swift
12 14 (1.97%) Objective-C
12 14 (1.97%) PHP
13 13 (1.83%) ES6
14 10 (1.41%) Go
14 10 (1.41%) Scala
14 10 (1.41%) VB.NET
15 6 (0.85%) C
15 6 (0.85%) Groovy
16 5 (0.70%) VB
Qualifications
1 52 (7.32%) Degree
2 21 (2.96%) Computer Science Degree
3 7 (0.99%) Master's Degree
3 7 (0.99%) Security Cleared
4 4 (0.56%) SC Cleared
5 2 (0.28%) Microsoft Certification
Quality Assurance & Compliance
1 16 (2.25%) QA
2 14 (1.97%) PCI DSS
3 5 (0.70%) HL7
4 1 (0.14%) Data Quality
4 1 (0.14%) GCP
4 1 (0.14%) GDPR
4 1 (0.14%) MiFID
4 1 (0.14%) PMO
4 1 (0.14%) WCAG
System Software
1 34 (4.79%) Docker
2 2 (0.28%) Active Directory
Systems Management
1 9 (1.27%) Opscode Chef
2 8 (1.13%) Kubernetes
2 8 (1.13%) Puppet
3 4 (0.56%) Ansible
4 3 (0.42%) Control-M
4 3 (0.42%) Grafana
5 2 (0.28%) Terraform
6 1 (0.14%) Prometheus
6 1 (0.14%) Rancher
6 1 (0.14%) Single Sign-On
Vendors
1 87 (12.25%) Microsoft
2 24 (3.38%) Sitecore
3 19 (2.68%) Oracle
4 14 (1.97%) Charles River
5 12 (1.69%) Google
6 9 (1.27%) Xamarin
7 5 (0.70%) CA Agile Central
7 5 (0.70%) IBM
7 5 (0.70%) Telerik
8 4 (0.56%) Atlassian
8 4 (0.56%) New Relic
9 3 (0.42%) Apigee
9 3 (0.42%) AppDynamics
9 3 (0.42%) Apple
9 3 (0.42%) Embarcadero
9 3 (0.42%) Solace
9 3 (0.42%) Splunk
9 3 (0.42%) Zend
10 2 (0.28%) Adobe
10 2 (0.28%) Salesforce.com