Period
to 18 October 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 18 October 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
18 Oct 2018
Same period 2017 Same period 2016
Rank 287 274 408
Rank change year-on-year -13 +134 -27
Contract jobs citing SOLID 405 426 216
As % of all contract IT jobs advertised in London 0.88% 0.95% 0.48%
As % of the Processes & Methodologies category 1.00% 1.08% 0.55%
Number of daily rates quoted 344 352 185
London median daily rate £513 £488 £450
Median daily rate % change year-on-year +5.13% +8.33% -2.70%
10th Percentile £394 £400 £325
90th Percentile £675 £612 £575
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +6.25%
Number of hourly rates quoted 2 0 1
London median hourly rate £33.50 - £55.00
10th Percentile £21.95 - £52.50
90th Percentile £45.85 - £57.50
England median hourly rate £21.50 £50.00 £42.50
% change year-on-year -57.00% +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 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 40,360 39,610 38,985
As % of all contract IT jobs advertised in London 87.49% 88.00% 87.15%
Number of daily rates quoted 29,131 28,642 28,074
London median daily rate £500 £500 £463
Median daily rate % change year-on-year - +8.11% +2.78%
10th Percentile £325 £313 £300
90th Percentile £675 £663 £638
England median daily rate £470 £450 £425
% change year-on-year +4.44% +5.88% +3.03%
Number of hourly rates quoted 474 368 402
London median hourly rate £21.50 £23.00 £21.00
Median hourly rate % change year-on-year -6.52% +9.52% +5.00%
10th Percentile £13.31 £13.17 £11.38
90th Percentile £53.98 £50.38 £52.50
England median hourly rate £21.00 £24.66 £22.50
% change year-on-year -14.84% +9.60% +3.85%

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 18 October 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
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing SOLID in London over the 6 months to 18 October 2018.

Contractor hourly rate histogram 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 18 October 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 -53 70 £500 - 51
West London -28 14 £450 -10.89% 30
East London -23 2 £375 -16.67% 15
South London -26 2 £700 +12.00% 4
SOLID
England

For the 6 months to 18 October 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.

1 277 (68.40%) .NET
2 259 (63.95%) C#
3 249 (61.48%) Agile Software Development
4 235 (58.02%) TDD
5 164 (40.49%) Microsoft Azure
6 151 (37.28%) JavaScript
7 144 (35.56%) SQL Server
8 136 (33.58%) SQL
9 135 (33.33%) ASP.NET Web API
10 128 (31.60%) Microservices
11 127 (31.36%) ASP.NET
12 121 (29.88%) MVC
13 113 (27.90%) OO
13 113 (27.90%) HTML
14 97 (23.95%) React
14 97 (23.95%) BDD
15 96 (23.70%) REST
16 94 (23.21%) Continuous Integration
17 92 (22.72%) AngularJS
18 84 (20.74%) SOA
19 82 (20.25%) Finance
20 80 (19.75%) Banking
21 79 (19.51%) Amazon AWS
22 73 (18.02%) Scrum
23 72 (17.78%) Git (software)
24 71 (17.53%) CSS
25 69 (17.04%) HTML5
26 67 (16.54%) Software Engineering
26 67 (16.54%) .NET Framework
27 65 (16.05%) ASP.NET MVC

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 27 (6.67%) NServiceBus
2 22 (5.43%) Elasticsearch
3 12 (2.96%) CMS
4 10 (2.47%) IIS
5 7 (1.73%) Umbraco
6 3 (0.74%) Confluence
6 3 (0.74%) OpenStack
6 3 (0.74%) Oracle SOA Suite
6 3 (0.74%) Oracle Workflow
6 3 (0.74%) Sitecore CMS
7 2 (0.49%) EPiServer
8 1 (0.25%) Apache Solr
8 1 (0.25%) Apache Spark
8 1 (0.25%) Kentico
8 1 (0.25%) SharePoint
8 1 (0.25%) Tomcat
Applications
1 3 (0.74%) Adobe Illustrator
1 3 (0.74%) InVision
1 3 (0.74%) Microsoft Excel
1 3 (0.74%) Photoshop
2 1 (0.25%) Chatbot
Business Applications
1 7 (1.73%) Dynamics CRM
2 4 (0.99%) Payment Gateway
Cloud Services
1 164 (40.49%) Microsoft Azure
2 79 (19.51%) Amazon AWS
3 28 (6.91%) Serverless
4 19 (4.69%) AWS Lambda
5 18 (4.44%) Azure Functions
6 11 (2.72%) Amazon SQS
7 9 (2.22%) npm
8 6 (1.48%) Cloud Computing
9 5 (1.23%) Google Play
10 3 (0.74%) Amazon Kinesis
10 3 (0.74%) GitHub
10 3 (0.74%) Yarn
11 2 (0.49%) PaaS
12 1 (0.25%) Amazon CloudWatch
12 1 (0.25%) Amazon EMR
12 1 (0.25%) Apigee
12 1 (0.25%) Google Cloud Platform
12 1 (0.25%) NuGet
12 1 (0.25%) OpenShift
12 1 (0.25%) SaaS
Communications & Networking
1 6 (1.48%) MQTT
2 5 (1.23%) HTTP
2 5 (1.23%) Internet
3 2 (0.49%) HTTPS
3 2 (0.49%) SMS
3 2 (0.49%) SSL
Database & Business Intelligence
1 144 (35.56%) SQL Server
2 54 (13.33%) NoSQL
3 36 (8.89%) MongoDB
4 24 (5.93%) SQL Server Reporting Services
5 23 (5.68%) Relational Database
6 22 (5.43%) SQL Server 2012
7 17 (4.20%) Redis
8 15 (3.70%) MySQL
8 15 (3.70%) PostgreSQL
9 11 (2.72%) SQL Server 2014
10 10 (2.47%) Apache Cassandra
11 8 (1.98%) Big Data
12 7 (1.73%) SQL Server Analysis Services
13 6 (1.48%) SQL Server 2005
13 6 (1.48%) SQL Server 2008
14 5 (1.23%) Hadoop
14 5 (1.23%) Neo4j
14 5 (1.23%) SQL Server Integration Services
15 4 (0.99%) Azure SQL Database
15 4 (0.99%) RavenDB
Development Applications
1 72 (17.78%) Git (software)
2 63 (15.56%) TeamCity
3 41 (10.12%) Jenkins
4 39 (9.63%) Octopus Deploy
5 37 (9.14%) JIRA
6 25 (6.17%) Atlassian Bamboo
7 22 (5.43%) Subversion
8 21 (5.19%) Visual Studio Team System
9 19 (4.69%) Selenium
10 17 (4.20%) JUnit
10 17 (4.20%) SpecFlow
10 17 (4.20%) Visual Studio
11 16 (3.95%) Team Foundation Server
12 14 (3.46%) NUnit
13 13 (3.21%) Maven
14 10 (2.47%) git-flow
15 9 (2.22%) gulp
15 9 (2.22%) Mockito
16 8 (1.98%) Moq
17 7 (1.73%) Bitbucket
General
1 82 (20.25%) Finance
2 80 (19.75%) Banking
3 37 (9.14%) Front Office
4 32 (7.90%) Investment Banking
5 27 (6.67%) Retail
6 15 (3.70%) Games
7 12 (2.96%) Financial Institution
8 11 (2.72%) Law
9 9 (2.22%) Marketing
10 7 (1.73%) Legal
11 6 (1.48%) Corporate Banking
12 4 (0.99%) Advertising
12 4 (0.99%) Back Office
13 1 (0.25%) Retail Banking
13 1 (0.25%) Telecoms
Job Titles
1 370 (91.36%) Developer
2 176 (43.46%) .NET Developer
3 138 (34.07%) C# Developer
4 63 (15.56%) C# .NET Developer
4 63 (15.56%) Senior Developer
5 47 (11.60%) Azure Developer
6 38 (9.38%) Senior .NET Developer
7 34 (8.40%) ASP.NET Developer
8 33 (8.15%) React Developer
9 32 (7.90%) JavaScript Developer
10 31 (7.65%) C# WCF Developer
10 31 (7.65%) Full Stack Developer
10 31 (7.65%) WCF Developer
11 25 (6.17%) HTML Developer
11 25 (6.17%) SQL Developer
12 24 (5.93%) Angular Developer
12 24 (5.93%) Java Developer
12 24 (5.93%) Market Risk Developer
13 20 (4.94%) Credit Risk Developer
13 20 (4.94%) Software Developer
Libraries, Frameworks & Software Standards
1 277 (68.40%) .NET
2 135 (33.33%) ASP.NET Web API
3 127 (31.36%) ASP.NET
4 113 (27.90%) HTML
5 97 (23.95%) React
6 96 (23.70%) REST
7 92 (22.72%) AngularJS
8 71 (17.53%) CSS
9 69 (17.04%) HTML5
10 67 (16.54%) .NET Framework
11 65 (16.05%) ASP.NET MVC
12 62 (15.31%) RESTful
13 52 (12.84%) WCF
14 51 (12.59%) .NET Core
15 49 (12.10%) WPF
16 45 (11.11%) Node.js
17 39 (9.63%) Web Services
18 31 (7.65%) Entity Framework
19 28 (6.91%) ASP.NET Core
20 25 (6.17%) RabbitMQ
Miscellaneous
1 47 (11.60%) Greenfield Project
2 42 (10.37%) Fintech
3 27 (6.67%) Credit Risk
3 27 (6.67%) Market Risk
4 25 (6.17%) Fixed Income
5 24 (5.93%) Enterprise Software
6 19 (4.69%) Computer Science
7 17 (4.20%) Algorithms
7 17 (4.20%) Hedge funds
8 15 (3.70%) Data Structures
8 15 (3.70%) User Experience
9 13 (3.21%) Analytical Skills
10 10 (2.47%) Foreign Exchange (FX)
11 9 (2.22%) Mobile App
12 7 (1.73%) Grid Computing
13 6 (1.48%) Online Gambling
13 6 (1.48%) Self-Motivation
14 5 (1.23%) Internet of Things
15 3 (0.74%) Apple TV
15 3 (0.74%) Online Games
Operating Systems
1 30 (7.41%) Windows
2 12 (2.96%) Android
3 11 (2.72%) Apple iOS
4 9 (2.22%) Linux
5 4 (0.99%) Unix
6 3 (0.74%) Mac OS
6 3 (0.74%) Windows 7
6 3 (0.74%) Windows 8
7 1 (0.25%) VMS
Processes & Methodologies
1 249 (61.48%) Agile Software Development
2 235 (58.02%) TDD
3 128 (31.60%) Microservices
4 121 (29.88%) MVC
5 113 (27.90%) OO
6 97 (23.95%) BDD
7 94 (23.21%) Continuous Integration
8 84 (20.74%) SOA
9 73 (18.02%) Scrum
10 67 (16.54%) Software Engineering
11 62 (15.31%) Unit Testing
12 58 (14.32%) OOP
13 41 (10.12%) MVVM
14 40 (9.88%) Multithreading
15 37 (9.14%) DevOps
16 36 (8.89%) Don't repeat yourself (DRY)
17 35 (8.64%) E-Commerce
18 33 (8.15%) Domain-Driven Design
19 28 (6.91%) CQRS
20 27 (6.67%) Dependency Injection
Programming Languages
1 259 (63.95%) C#
2 151 (37.28%) JavaScript
3 136 (33.58%) SQL
4 48 (11.85%) Java
5 44 (10.86%) T-SQL
6 30 (7.41%) Python
7 27 (6.67%) TypeScript
8 20 (4.94%) Java 8
9 16 (3.95%) Go
10 13 (3.21%) C++
11 11 (2.72%) PHP
11 11 (2.72%) VB.NET
12 10 (2.47%) ES6
13 8 (1.98%) Apple Swift
14 7 (1.73%) PowerShell
15 6 (1.48%) Scala
16 5 (1.23%) C
16 5 (1.23%) Objective-C
16 5 (1.23%) Ruby
17 4 (0.99%) Kotlin
Qualifications
1 30 (7.41%) Degree
2 4 (0.99%) Computer Science Degree
3 1 (0.25%) Security Cleared
Quality Assurance & Compliance
1 10 (2.47%) QA
2 7 (1.73%) PCI DSS
3 2 (0.49%) HL7
4 1 (0.25%) Data Quality
System Software
1 38 (9.38%) Docker
2 1 (0.25%) Microsoft App-V
Systems Management
1 13 (3.21%) Kubernetes
2 6 (1.48%) Ansible
2 6 (1.48%) Terraform
3 3 (0.74%) Grafana
4 2 (0.49%) Prometheus
4 2 (0.49%) Rancher
5 1 (0.25%) Opscode Chef
5 1 (0.25%) Puppet
5 1 (0.25%) Single Sign-On
Vendors
1 44 (10.86%) Microsoft
2 13 (3.21%) Google
3 12 (2.96%) Oracle
4 10 (2.47%) Charles River
4 10 (2.47%) Sitecore
5 9 (2.22%) Xamarin
6 7 (1.73%) Apple
7 3 (0.74%) Atlassian
7 3 (0.74%) Zend
8 2 (0.49%) Facebook
8 2 (0.49%) iManage
8 2 (0.49%) Intapp
9 1 (0.25%) AppDynamics
9 1 (0.25%) FXall
9 1 (0.25%) IBM
9 1 (0.25%) Nintex
9 1 (0.25%) Reuters
9 1 (0.25%) Splunk
9 1 (0.25%) Tableau
9 1 (0.25%) Veracode