Period
to 14 December 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for SOLID skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited SOLID over the 6 months to 14 December 2017 with a comparison to the same period in the previous 2 years.

SOLID Principles
Central London > City of London
6 months to
14 Dec 2017
Same period 2016 Same period 2015
Rank 200 248 286
Rank change year-on-year +48 +38 +62
Permanent jobs citing SOLID 139 99 131
As % of all permanent IT jobs advertised in the City of London 1.34% 0.87% 0.81%
As % of the Processes & Methodologies category 1.48% 0.98% 0.91%
Number of salaries quoted 128 89 139
City of London median annual salary £60,000 £57,500 £62,500
Median salary % change year-on-year +4.35% -8.00% -1.19%
10th Percentile £37,500 £39,750 £37,500
90th Percentile £90,000 £72,750 £110,000
Central London median annual salary £60,000 £57,500 £60,000
% change year-on-year +4.35% -4.17% -6.98%

SOLID is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Permanent vacancies with a requirement for process or methodology skills 9382 10138 14426
As % of all permanent IT jobs advertised in the City of London 90.46% 89.46% 89.39%
Number of salaries quoted 8448 9223 12573
City of London median annual salary £60,000 £60,000 £57,500
Median salary % change year-on-year - +4.35% +4.55%
10th Percentile £36,250 £35,000 £33,750
90th Percentile £95,000 £90,000 £90,000
Central London median annual salary £60,000 £57,500 £57,500
% change year-on-year +4.35% - +4.55%

SOLID
Job Vacancy Trend in the City of London

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

Job vacancy trend for SOLID in the City of London

SOLID
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing SOLID in the City of London.

Salary trend for SOLID in the City of London

SOLID
Salary Histogram in the City of London

The salary distribution of IT jobs citing SOLID in the City of London over the 6 months to 14 December 2017.

Salary histogram for SOLID in the City of London

For the 6 months to 14 December 2017, IT jobs citing SOLID also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the City of London region with a requirement for SOLID.

1 121 (87.05%) Agile Software Development
2 93 (66.91%) .NET
3 92 (66.19%) C#
4 74 (53.24%) JavaScript
5 73 (52.52%) ASP.NET
6 72 (51.80%) AngularJS
7 68 (48.92%) MVC
8 56 (40.29%) TDD
8 56 (40.29%) CSS
9 55 (39.57%) Scrum
10 54 (38.85%) HTML
11 49 (35.25%) SQL Server
12 47 (33.81%) SQL
12 47 (33.81%) ASP.NET MVC
13 45 (32.37%) jQuery
14 44 (31.65%) Continuous Integration
14 44 (31.65%) Microsoft Azure
14 44 (31.65%) OO
15 42 (30.22%) Web Services
16 39 (28.06%) Software Engineering
16 39 (28.06%) DevOps
16 39 (28.06%) React
17 38 (27.34%) HTML5
17 38 (27.34%) Node.js
18 36 (25.90%) CSS3
18 36 (25.90%) Web Development
19 35 (25.18%) Finance
19 35 (25.18%) Java
20 33 (23.74%) WCF
20 33 (23.74%) ASP.NET Web API

SOLID
Co-occurring IT Skills in the City of 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 8 (5.76%) Elasticsearch
2 2 (1.44%) Apache Solr
2 2 (1.44%) Apache Spark
2 2 (1.44%) NServiceBus
2 2 (1.44%) SharePoint
3 1 (0.72%) Confluence
3 1 (0.72%) DataSynapse
Applications
1 1 (0.72%) Microsoft Office
Business Applications
1 2 (1.44%) Dynamics NAV
Cloud Services
1 44 (31.65%) Microsoft Azure
2 19 (13.67%) Amazon AWS
3 5 (3.60%) Dynamics 365
3 5 (3.60%) GitHub
3 5 (3.60%) Google Cloud Platform
3 5 (3.60%) Office 365
4 4 (2.88%) SaaS
5 3 (2.16%) Azure Active Directory
6 1 (0.72%) Cloud Computing
Communications & Networking
1 8 (5.76%) HTTP
2 1 (0.72%) Internet
2 1 (0.72%) SSL
Database & Business Intelligence
1 49 (35.25%) SQL Server
2 10 (7.19%) MongoDB
3 7 (5.04%) Big Data
4 6 (4.32%) Azure SQL Database
4 6 (4.32%) NoSQL
5 5 (3.60%) MySQL
5 5 (3.60%) Redis
6 4 (2.88%) Apache Cassandra
6 4 (2.88%) DocumentDB
7 3 (2.16%) Hadoop
7 3 (2.16%) PostgreSQL
7 3 (2.16%) Relational Database
8 2 (1.44%) Amazon Redshift
8 2 (1.44%) Couchbase
8 2 (1.44%) RDBMS
9 1 (0.72%) RavenDB
Development Applications
1 24 (17.27%) Git (software)
1 24 (17.27%) Octopus Deploy
1 24 (17.27%) TeamCity
2 16 (11.51%) Team Foundation Server
3 13 (9.35%) Jasmine
3 13 (9.35%) Mocha
3 13 (9.35%) MSBuild
3 13 (9.35%) Selenium
4 12 (8.63%) Atlassian Bamboo
4 12 (8.63%) Hudson
5 11 (7.91%) NUnit
6 8 (5.76%) JIRA
6 8 (5.76%) SpecFlow
7 7 (5.04%) Rhino Mocks
7 7 (5.04%) Sinon.JS
8 4 (2.88%) Subversion
9 3 (2.16%) Karma Test Runner
9 3 (2.16%) MSTest
9 3 (2.16%) webpack
10 2 (1.44%) Gradle
General
1 35 (25.18%) Finance
2 26 (18.71%) Banking
3 9 (6.47%) Financial Institution
4 8 (5.76%) Marketing
5 5 (3.60%) Law
6 2 (1.44%) Automotive
6 2 (1.44%) Front Office
6 2 (1.44%) Investment Banking
7 1 (0.72%) Games
7 1 (0.72%) Legal
7 1 (0.72%) Music Industry
7 1 (0.72%) Retail
Job Titles
1 120 (86.33%) Developer
2 60 (43.17%) .NET Developer
3 47 (33.81%) C# Developer
4 32 (23.02%) C# .NET Developer
4 32 (23.02%) Senior Developer
5 22 (15.83%) Lead .NET Developer
5 22 (15.83%) Lead Developer
6 19 (13.67%) Java Developer
7 16 (11.51%) ASP.NET Developer
7 16 (11.51%) C# ASP.NET Developer
8 15 (10.79%) Software Developer
9 13 (9.35%) Java Software Developer
9 13 (9.35%) Lead C# Developer
10 12 (8.63%) Front End Developer (Client-Side Developer)
11 10 (7.19%) Senior .NET Developer
12 9 (6.47%) JavaScript Developer
12 9 (6.47%) Senior Front-End Developer
13 8 (5.76%) .NET Applications Developer
13 8 (5.76%) Applications Developer
13 8 (5.76%) PHP Developer
Libraries, Frameworks & Software Standards
1 93 (66.91%) .NET
2 73 (52.52%) ASP.NET
3 72 (51.80%) AngularJS
4 56 (40.29%) CSS
5 54 (38.85%) HTML
6 47 (33.81%) ASP.NET MVC
7 45 (32.37%) jQuery
8 42 (30.22%) Web Services
9 39 (28.06%) React
10 38 (27.34%) HTML5
10 38 (27.34%) Node.js
11 36 (25.90%) CSS3
12 33 (23.74%) ASP.NET Web API
12 33 (23.74%) WCF
13 30 (21.58%) WPF
14 28 (20.14%) .NET Framework
15 19 (13.67%) RESTful
16 16 (11.51%) Entity Framework
16 16 (11.51%) Twitter Bootstrap
17 15 (10.79%) REST
Miscellaneous
1 31 (22.30%) Greenfield Project
2 20 (14.39%) Fintech
3 18 (12.95%) User Experience
4 16 (11.51%) Client/Server
5 12 (8.63%) Online Banking
6 9 (6.47%) Computer Science
7 7 (5.04%) Mobile App
8 5 (3.60%) Enterprise Software
8 5 (3.60%) Tandem
8 5 (3.60%) Virtual Team
9 3 (2.16%) Analytical Skills
10 2 (1.44%) Algorithms
10 2 (1.44%) BYOD
11 1 (0.72%) Data Structures
11 1 (0.72%) Digital Media
11 1 (0.72%) Online Games
Operating Systems
1 12 (8.63%) Windows
2 7 (5.04%) Android
2 7 (5.04%) Linux
3 5 (3.60%) Apple iOS
Processes & Methodologies
1 121 (87.05%) Agile Software Development
2 68 (48.92%) MVC
3 56 (40.29%) TDD
4 55 (39.57%) Scrum
5 44 (31.65%) Continuous Integration
5 44 (31.65%) OO
6 39 (28.06%) DevOps
6 39 (28.06%) Software Engineering
7 36 (25.90%) Web Development
8 29 (20.86%) Responsive Web Design
9 28 (20.14%) BDD
10 26 (18.71%) Microservices
11 25 (17.99%) Don't repeat yourself (DRY)
12 23 (16.55%) OOP
13 21 (15.11%) Kanban
14 18 (12.95%) Mentoring
15 17 (12.23%) CQRS
16 16 (11.51%) Domain-Driven Design
17 15 (10.79%) Open Source
17 15 (10.79%) SOA
Programming Languages
1 92 (66.19%) C#
2 74 (53.24%) JavaScript
3 47 (33.81%) SQL
4 35 (25.18%) Java
5 26 (18.71%) VB.NET
6 19 (13.67%) PowerShell
7 17 (12.23%) PHP
8 10 (7.19%) TypeScript
9 9 (6.47%) T-SQL
10 8 (5.76%) Scala
11 6 (4.32%) ES6
12 4 (2.88%) Apple Swift
12 4 (2.88%) Objective-C
13 3 (2.16%) C++
13 3 (2.16%) F#
13 3 (2.16%) PHP 7
14 2 (1.44%) PHP 5
14 2 (1.44%) Python
15 1 (0.72%) Erlang
15 1 (0.72%) Ruby
Qualifications
1 20 (14.39%) Degree
2 5 (3.60%) Computer Science Degree
3 1 (0.72%) Numerate Degree
Quality Assurance & Compliance
1 4 (2.88%) QA
2 1 (0.72%) Dodd-Frank
2 1 (0.72%) GDPR
2 1 (0.72%) HL7
2 1 (0.72%) MiFID
System Software
1 8 (5.76%) Docker
Systems Management
1 17 (12.23%) Ansible
2 14 (10.07%) Opscode Chef
2 14 (10.07%) Puppet
3 1 (0.72%) Kubernetes
Vendors
1 28 (20.14%) Microsoft
2 8 (5.76%) Google
3 7 (5.04%) Oracle
4 4 (2.88%) Adthena
4 4 (2.88%) Atlassian
4 4 (2.88%) Xamarin
5 3 (2.16%) Zend
6 2 (1.44%) Solace