Period
to 22 July 2018

The following table provides summary statistics for contract job vacancies advertised in London 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 22 July 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
England > London
6 months to
22 Jul 2018
Same period 2017 Same period 2016
Rank 276 277 441
Rank change year-on-year +1 +164 -25
Contract jobs citing SOLID 436 378 177
As % of all contract IT jobs advertised in London 0.95% 0.90% 0.39%
As % of the Processes & Methodologies category 1.08% 1.03% 0.45%
Number of daily rates quoted 367 297 156
London median daily rate £500 £475 £483
Median daily rate % change year-on-year +5.26% -1.66% +17.09%
10th Percentile £400 £375 £369
90th Percentile £638 £606 £575
England median daily rate £475 £450 £450
% change year-on-year +5.56% - +20.00%
Number of hourly rates quoted 4 0 0
London median hourly rate £47.50 - -
England median hourly rate £45.00 £50.00 £42.50
% change year-on-year -10.00% +17.65% -

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 London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Contract vacancies with a requirement for process or methodology skills 40,265 36,720 39,326
As % of all contract IT jobs advertised in London 87.31% 87.00% 86.38%
Number of daily rates quoted 29,208 26,229 28,471
London median daily rate £500 £488 £463
Median daily rate % change year-on-year +2.56% +5.41% +2.78%
10th Percentile £325 £313 £300
90th Percentile £675 £656 £650
England median daily rate £463 £450 £425
% change year-on-year +2.78% +5.88% +4.94%
Number of hourly rates quoted 550 388 348
London median hourly rate £25.00 £23.63 £21.42
Median hourly rate % change year-on-year +5.82% +10.29% +9.85%
10th Percentile £14.00 £12.88 £11.25
90th Percentile £53.84 £51.48 £51.38
England median hourly rate £22.50 £24.49 £23.75
% change year-on-year -8.11% +3.09% +12.71%

SOLID
Job Vacancy Trend in London

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

Job vacancy trend for SOLID in London

SOLID
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for SOLID in London

SOLID
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing SOLID in London over the 6 months to 22 July 2018.

Contractor daily rate histogram for SOLID in London

SOLID
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for SOLID in London

SOLID
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing SOLID within the London region over the 6 months to 22 July 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
Central London -48 81 £490 -0.76% 33
West London -30 22 £475 -8.21% 34
South London -41 5 £338 -44.21% 4
East London -17 4 £375 -16.67% 10
North London +9 2 - -
SOLID
England

For the 6 months to 22 July 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 London region with a requirement for SOLID.

1 304 (69.72%) .NET
2 291 (66.74%) C#
3 290 (66.51%) TDD
4 280 (64.22%) Agile Software Development
5 191 (43.81%) JavaScript
6 190 (43.58%) Microsoft Azure
7 165 (37.84%) ASP.NET
8 161 (36.93%) OO
8 161 (36.93%) MVC
9 158 (36.24%) ASP.NET Web API
10 145 (33.26%) SQL Server
11 139 (31.88%) Microservices
12 135 (30.96%) HTML
13 124 (28.44%) AngularJS
14 123 (28.21%) SQL
15 121 (27.75%) React
16 115 (26.38%) BDD
17 105 (24.08%) Scrum
18 100 (22.94%) Continuous Integration
19 93 (21.33%) Git (software)
20 91 (20.87%) SOA
21 90 (20.64%) RESTful
22 86 (19.72%) HTML5
23 84 (19.27%) Amazon AWS
24 81 (18.58%) CSS
25 78 (17.89%) ASP.NET MVC
26 77 (17.66%) REST
27 76 (17.43%) Finance
28 72 (16.51%) TeamCity
29 69 (15.83%) .NET Framework

SOLID
Co-occurring IT Skills in London 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 42 (9.63%) NServiceBus
2 26 (5.96%) Elasticsearch
3 9 (2.06%) Apache
3 9 (2.06%) IIS
4 8 (1.83%) CMS
5 6 (1.38%) Umbraco
6 5 (1.15%) Confluence
6 5 (1.15%) Tomcat
7 3 (0.69%) Apache Solr
7 3 (0.69%) OpenStack
8 2 (0.46%) JBoss
8 2 (0.46%) Oracle SOA Suite
8 2 (0.46%) Oracle Workflow
8 2 (0.46%) Sitecore CMS
9 1 (0.23%) EPiServer
Applications
1 2 (0.46%) Adobe Illustrator
1 2 (0.46%) InVision
1 2 (0.46%) MS Visio
1 2 (0.46%) Photoshop
2 1 (0.23%) Chatbot
Business Applications
1 4 (0.92%) Dynamics CRM
1 4 (0.92%) Payment Gateway
Cloud Services
1 190 (43.58%) Microsoft Azure
2 84 (19.27%) Amazon AWS
3 34 (7.80%) Serverless
4 13 (2.98%) AWS Lambda
5 10 (2.29%) Cloud Computing
5 10 (2.29%) npm
6 6 (1.38%) Yarn
7 5 (1.15%) Algolia
7 5 (1.15%) Amazon S3
7 5 (1.15%) SaaS
8 4 (0.92%) Amazon SQS
9 3 (0.69%) Amazon EC2
9 3 (0.69%) GitHub
10 2 (0.46%) Amazon EMR
10 2 (0.46%) PaaS
11 1 (0.23%) Google Cloud Platform
11 1 (0.23%) Google Play
11 1 (0.23%) IBM Cloud
11 1 (0.23%) Office 365
11 1 (0.23%) OpenShift
Communications & Networking
1 8 (1.83%) HTTP
2 6 (1.38%) MQTT
3 5 (1.15%) Internet
3 5 (1.15%) SSL
4 4 (0.92%) DNS
5 2 (0.46%) HTTPS
5 2 (0.46%) SMS
Database & Business Intelligence
1 145 (33.26%) SQL Server
2 47 (10.78%) NoSQL
3 28 (6.42%) MongoDB
4 16 (3.67%) SQL Server 2012
4 16 (3.67%) SQL Server 2014
5 14 (3.21%) Relational Database
6 13 (2.98%) RavenDB
7 11 (2.52%) Apache Cassandra
8 8 (1.83%) Big Data
8 8 (1.83%) Cosmos DB
8 8 (1.83%) MySQL
8 8 (1.83%) Neo4j
9 7 (1.61%) Hadoop
9 7 (1.61%) SQL Server 2005
9 7 (1.61%) SQL Server 2008
10 6 (1.38%) Redis
11 5 (1.15%) Azure SQL Database
11 5 (1.15%) PostgreSQL
12 4 (0.92%) SQL Server Reporting Services
13 2 (0.46%) SQL Server Integration Services
Development Applications
1 93 (21.33%) Git (software)
2 72 (16.51%) TeamCity
3 51 (11.70%) Octopus Deploy
4 44 (10.09%) SpecFlow
5 42 (9.63%) Jenkins
6 36 (8.26%) NUnit
7 29 (6.65%) Selenium
8 28 (6.42%) Visual Studio
9 25 (5.73%) Team Foundation Server
10 21 (4.82%) Visual Studio Team System
11 20 (4.59%) JUnit
12 17 (3.90%) Subversion
13 13 (2.98%) Jasmine
14 12 (2.75%) Maven
15 11 (2.52%) git-flow
15 11 (2.52%) Gradle
15 11 (2.52%) JIRA
16 9 (2.06%) Mockito
17 8 (1.83%) Atlassian Bamboo
17 8 (1.83%) gulp
General
1 76 (17.43%) Finance
2 64 (14.68%) Banking
3 30 (6.88%) Front Office
4 24 (5.50%) Retail
5 16 (3.67%) Investment Banking
5 16 (3.67%) Law
6 15 (3.44%) Legal
7 13 (2.98%) Games
8 12 (2.75%) Financial Institution
9 9 (2.06%) Marketing
10 6 (1.38%) Advertising
11 4 (0.92%) Back Office
11 4 (0.92%) Corporate Banking
11 4 (0.92%) Telecoms
12 1 (0.23%) Brand Awareness
12 1 (0.23%) Publishing
12 1 (0.23%) Retail Banking
Job Titles
1 405 (92.89%) Developer
2 221 (50.69%) .NET Developer
3 143 (32.80%) C# Developer
4 75 (17.20%) C# .NET Developer
5 71 (16.28%) Senior Developer
6 45 (10.32%) Full Stack Developer
6 45 (10.32%) Senior .NET Developer
7 44 (10.09%) Azure Developer
8 42 (9.63%) ASP.NET Developer
9 41 (9.40%) JavaScript Developer
10 34 (7.80%) Java Developer
11 33 (7.57%) Angular Developer
11 33 (7.57%) React Developer
12 29 (6.65%) HTML Developer
13 26 (5.96%) SQL Developer
14 23 (5.28%) Software Developer
15 21 (4.82%) Agile Developer
16 20 (4.59%) C# ASP.NET Developer
17 18 (4.13%) .NET Software Developer
18 17 (3.90%) Agile .NET Developer
Libraries, Frameworks & Software Standards
1 304 (69.72%) .NET
2 165 (37.84%) ASP.NET
3 158 (36.24%) ASP.NET Web API
4 135 (30.96%) HTML
5 124 (28.44%) AngularJS
6 121 (27.75%) React
7 90 (20.64%) RESTful
8 86 (19.72%) HTML5
9 81 (18.58%) CSS
10 78 (17.89%) ASP.NET MVC
11 77 (17.66%) REST
12 69 (15.83%) .NET Framework
13 63 (14.45%) .NET Core
14 58 (13.30%) Web Services
15 54 (12.39%) Entity Framework
16 52 (11.93%) Node.js
17 35 (8.03%) jQuery
18 28 (6.42%) ASP.NET Core
18 28 (6.42%) WCF
19 27 (6.19%) WPF
Miscellaneous
1 55 (12.61%) Greenfield Project
2 39 (8.94%) Fintech
3 28 (6.42%) Computer Science
4 21 (4.82%) User Experience
5 20 (4.59%) Mobile App
6 17 (3.90%) Algorithms
6 17 (3.90%) Data Structures
7 15 (3.44%) Hedge funds
8 11 (2.52%) Enterprise Software
8 11 (2.52%) Fixed Income
9 9 (2.06%) Foreign Exchange (FX)
10 6 (1.38%) Digital Wallet
10 6 (1.38%) Grid Computing
11 5 (1.15%) Analytical Skills
11 5 (1.15%) Derivative
11 5 (1.15%) Internet of Things
11 5 (1.15%) Online Gambling
11 5 (1.15%) OTC Derivatives
11 5 (1.15%) Wiki
12 4 (0.92%) Online Banking
Operating Systems
1 21 (4.82%) Windows
2 14 (3.21%) Linux
3 10 (2.29%) Android
3 10 (2.29%) Apple iOS
4 6 (1.38%) Unix
5 2 (0.46%) Mac OS
5 2 (0.46%) Windows 7
5 2 (0.46%) Windows 8
6 1 (0.23%) Nucleus RTOS
6 1 (0.23%) VMS
6 1 (0.23%) Windows Phone
Processes & Methodologies
1 290 (66.51%) TDD
2 280 (64.22%) Agile Software Development
3 161 (36.93%) MVC
3 161 (36.93%) OO
4 139 (31.88%) Microservices
5 115 (26.38%) BDD
6 105 (24.08%) Scrum
7 100 (22.94%) Continuous Integration
8 91 (20.87%) SOA
9 67 (15.37%) Software Engineering
10 65 (14.91%) OOP
11 55 (12.61%) Unit Testing
12 52 (11.93%) Pair Programming
13 49 (11.24%) Domain-Driven Design
14 46 (10.55%) CQRS
15 45 (10.32%) DevOps
16 40 (9.17%) E-Commerce
17 34 (7.80%) Dependency Injection
17 34 (7.80%) Kanban
18 33 (7.57%) Don't repeat yourself (DRY)
Programming Languages
1 291 (66.74%) C#
2 191 (43.81%) JavaScript
3 123 (28.21%) SQL
4 59 (13.53%) Java
5 32 (7.34%) TypeScript
6 23 (5.28%) Python
6 23 (5.28%) T-SQL
7 21 (4.82%) PowerShell
8 15 (3.44%) Java 8
9 11 (2.52%) Go
9 11 (2.52%) PHP
10 10 (2.29%) ES6
10 10 (2.29%) VB.NET
11 9 (2.06%) Apple Swift
11 9 (2.06%) Shell Script
12 6 (1.38%) Objective-C
13 4 (0.92%) C
13 4 (0.92%) Scala
14 3 (0.69%) C++
14 3 (0.69%) Ruby
Qualifications
1 30 (6.88%) Degree
2 12 (2.75%) Computer Science Degree
3 3 (0.69%) SC Cleared
3 3 (0.69%) Security Cleared
Quality Assurance & Compliance
1 17 (3.90%) PCI DSS
2 8 (1.83%) QA
3 5 (1.15%) HL7
4 1 (0.23%) Data Quality
4 1 (0.23%) MiFID
4 1 (0.23%) WCAG
System Software
1 31 (7.11%) Docker
Systems Management
1 8 (1.83%) Control-M
2 5 (1.15%) Kubernetes
2 5 (1.15%) Opscode Chef
3 3 (0.69%) Puppet
4 2 (0.46%) Ansible
5 1 (0.23%) Grafana
5 1 (0.23%) Prometheus
5 1 (0.23%) Rancher
5 1 (0.23%) Single Sign-On
Vendors
1 67 (15.37%) Microsoft
2 13 (2.98%) Sitecore
3 11 (2.52%) Charles River
4 10 (2.29%) Oracle
5 8 (1.83%) Embarcadero
6 6 (1.38%) Atlassian
6 6 (1.38%) Google
7 5 (1.15%) Telerik
7 5 (1.15%) Xamarin
8 4 (0.92%) Apple
8 4 (0.92%) FXall
8 4 (0.92%) IBM
8 4 (0.92%) Reuters
9 3 (0.69%) CA Agile Central
9 3 (0.69%) Solace
9 3 (0.69%) Zend
10 2 (0.46%) Facebook
10 2 (0.46%) iManage
10 2 (0.46%) Intapp
11 1 (0.23%) Tableau