Period
to 30 July 2021

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 30 July 2021 with a comparison to the same period in the previous 2 years.

SOLID Principles
Central London > City of London
6 months to
30 Jul 2021
Same period 2020 Same period 2019
Rank 115 151 195
Rank change year-on-year +36 +44 -16
Permanent jobs citing SOLID 149 78 148
As % of all permanent jobs advertised in the City of London 2.64% 1.47% 1.45%
As % of the Processes & Methodologies category 2.77% 1.56% 1.54%
Number of salaries quoted 143 69 142
10th Percentile £58,000 £45,000 £50,000
25th Percentile £70,500 £51,250 £56,250
Median annual salary (50th Percentile) £80,000 £60,000 £67,500
Median % change year-on-year +33.33% -11.11% +3.85%
75th Percentile £88,750 £85,000 £82,500
90th Percentile £97,500 £97,750 £85,000
Central London median annual salary £80,000 £77,500 £67,500
% change year-on-year +3.23% +14.81% +3.85%

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 5,379 5,001 9,623
As % of all permanent IT jobs advertised in the City of London 95.42% 94.43% 94.02%
Number of salaries quoted 4,809 4,397 8,584
10th Percentile £43,000 £42,500 £37,500
25th Percentile £55,000 £52,500 £50,000
Median annual salary (50th Percentile) £72,500 £70,000 £65,000
Median % change year-on-year +3.57% +7.69% -
75th Percentile £91,250 £85,000 £82,500
90th Percentile £106,500 £100,000 £97,500
Central London median annual salary £70,000 £70,000 £65,000
% change year-on-year - +7.69% +4.00%

SOLID
Job Vacancy Trend in the City of London

Job postings citing SOLID as a proportion 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

3-month moving average salary quoted in 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

Salary distribution for jobs citing SOLID in the City of London over the 6 months to 30 July 2021.

Salary histogram for SOLID in the City of London

For the 6 months to 30 July 2021, IT 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 permanent job ads across the City of London region with a requirement for SOLID.

1 134 (89.93%) C#
2 129 (86.58%) .NET
3 110 (73.83%) Azure
4 108 (72.48%) Agile Software Development
5 104 (69.80%) SQL
6 100 (67.11%) DevOps
7 98 (65.77%) .NET Core
8 93 (62.42%) OO
9 80 (53.69%) MVC
10 78 (52.35%) JavaScript
11 76 (51.01%) Microservices
12 73 (48.99%) React
12 73 (48.99%) SQL Server
13 71 (47.65%) Web Services
14 68 (45.64%) CSS
15 67 (44.97%) Continuous Integration
16 59 (39.60%) .NET Framework
16 59 (39.60%) Azure Service Bus
17 58 (38.93%) ASP.NET Web API
17 58 (38.93%) Entity Framework
18 55 (36.91%) PaaS
18 55 (36.91%) TDD
18 55 (36.91%) jQuery
18 55 (36.91%) Azure Service Fabric
18 55 (36.91%) Azure App Service
19 53 (35.57%) Test Automation
20 52 (34.90%) Twitter Bootstrap
20 52 (34.90%) PowerShell
20 52 (34.90%) Terraform
21 50 (33.56%) UML

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 49 (32.89%) SharePoint
2 12 (8.05%) Elasticsearch
3 11 (7.38%) IIS
4 6 (4.03%) Apache Spark
5 2 (1.34%) Confluence
6 1 (0.67%) Moodle
Applications
1 10 (6.71%) Microsoft Office
2 3 (2.01%) InVision
2 3 (2.01%) Sketch
Business Applications
1 42 (28.19%) Dynamics CRM
2 3 (2.01%) Sparx Enterprise Architect
3 2 (1.34%) Payment Gateway
4 1 (0.67%) Salesforce.com CRM
Cloud Services
1 110 (73.83%) Azure
2 59 (39.60%) Azure Service Bus
3 55 (36.91%) Azure App Service
3 55 (36.91%) Azure Service Fabric
3 55 (36.91%) PaaS
4 42 (28.19%) Azure Key Vault
5 39 (26.17%) Azure Active Directory
5 39 (26.17%) Azure Storage
6 34 (22.82%) Azure Functions
6 34 (22.82%) Serverless
7 17 (11.41%) AWS
8 16 (10.74%) Azure Event Grid
8 16 (10.74%) NuGet
9 12 (8.05%) Power Platform
10 10 (6.71%) SaaS
11 3 (2.01%) Azure Logic Apps
11 3 (2.01%) Dynamics 365
11 3 (2.01%) Power Automate
11 3 (2.01%) PowerApps
12 1 (0.67%) npm
Communications & Networking
1 10 (6.71%) FTP
2 1 (0.67%) Network Security
Database & Business Intelligence
1 73 (48.99%) SQL Server
2 24 (16.11%) Azure SQL Database
3 23 (15.44%) NoSQL
4 12 (8.05%) Power BI
5 8 (5.37%) MongoDB
6 7 (4.70%) Data Mining
7 6 (4.03%) MySQL
8 4 (2.68%) Data Warehouse
8 4 (2.68%) Tableau
9 3 (2.01%) Amazon DynamoDB
9 3 (2.01%) PostgreSQL
9 3 (2.01%) Relational Database
9 3 (2.01%) SQL Server Integration Services
9 3 (2.01%) SQL Server Reporting Services
10 2 (1.34%) RDBMS
10 2 (1.34%) SQL Server 2017
11 1 (0.67%) Flink
11 1 (0.67%) Geospatial Data
11 1 (0.67%) GIS
11 1 (0.67%) Parquet
Development Applications
1 47 (31.54%) Visual Studio Team System
2 46 (30.87%) Team Foundation Server
3 24 (16.11%) JIRA
4 21 (14.09%) Git (software)
5 18 (12.08%) NUnit
6 14 (9.40%) Octopus Deploy
6 14 (9.40%) TeamCity
7 13 (8.72%) Rhino Mocks
8 5 (3.36%) Cypress.io
8 5 (3.36%) Moq
9 4 (2.68%) Jenkins
9 4 (2.68%) Visual Studio
10 3 (2.01%) PostCSS
10 3 (2.01%) Selenium
10 3 (2.01%) webpack
11 2 (1.34%) Jasmine
11 2 (1.34%) Mocha
12 1 (0.67%) Artifactory
12 1 (0.67%) gulp
12 1 (0.67%) SQL Server Management Studio (SSMS)
General
1 34 (22.82%) Social Skills
2 32 (21.48%) Finance
3 26 (17.45%) Analytical Skills
4 25 (16.78%) Banking
4 25 (16.78%) Investment Banking
5 7 (4.70%) Online Betting
6 4 (2.68%) Back Office
7 2 (1.34%) Inclusion and Diversity
8 1 (0.67%) Front Office
8 1 (0.67%) Retail
Job Titles
1 115 (77.18%) Developer
2 68 (45.64%) C# Developer
3 49 (32.89%) Senior Developer
4 47 (31.54%) Azure Developer
5 44 (29.53%) Senior C# Developer
6 42 (28.19%) .NET Developer
7 27 (18.12%) Lead Developer
7 27 (18.12%) SQL Developer
8 26 (17.45%) C# .NET Developer
8 26 (17.45%) Senior SQL Developer
9 18 (12.08%) Senior .NET Developer
9 18 (12.08%) Senior C# .NET Developer
10 17 (11.41%) Integration Developer
11 15 (10.07%) ASP.NET MVC Developer
12 14 (9.40%) DevOps Developer
12 14 (9.40%) Digital Developer
12 14 (9.40%) Lead .NET Developer
12 14 (9.40%) Senior DevOps
13 13 (8.72%) Software Engineer
14 10 (6.71%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 129 (86.58%) .NET
2 98 (65.77%) .NET Core
3 73 (48.99%) React
4 71 (47.65%) Web Services
5 68 (45.64%) CSS
6 59 (39.60%) .NET Framework
7 58 (38.93%) ASP.NET Web API
7 58 (38.93%) Entity Framework
8 55 (36.91%) jQuery
9 52 (34.90%) Twitter Bootstrap
10 20 (13.42%) HTML
11 19 (12.75%) ASP.NET
11 19 (12.75%) JSON
12 14 (9.40%) AngularJS
12 14 (9.40%) REST
13 13 (8.72%) Node.js
14 9 (6.04%) HTML5
15 8 (5.37%) Ajax
15 8 (5.37%) Kafka
15 8 (5.37%) Sass
Miscellaneous
1 49 (32.89%) N-Tier
2 24 (16.11%) Legacy Systems
3 22 (14.77%) User Experience
4 18 (12.08%) Equities
5 15 (10.07%) Reinsurance
6 13 (8.72%) Hybrid Cloud
7 8 (5.37%) Reference Data
8 7 (4.70%) Social Media
9 6 (4.03%) Enterprise Software
10 4 (2.68%) Data Centre
11 3 (2.01%) Greenfield Project
12 2 (1.34%) Algorithms
12 2 (1.34%) Wiki
13 1 (0.67%) Public Cloud
Operating Systems
1 4 (2.68%) Android
1 4 (2.68%) Apple iOS
2 3 (2.01%) Linux
3 1 (0.67%) Windows
Processes & Methodologies
1 108 (72.48%) Agile Software Development
2 100 (67.11%) DevOps
3 93 (62.42%) OO
4 80 (53.69%) MVC
5 76 (51.01%) Microservices
6 67 (44.97%) Continuous Integration
7 55 (36.91%) TDD
8 53 (35.57%) Test Automation
9 50 (33.56%) UML
10 49 (32.89%) Deployment Automation
10 49 (32.89%) SOA
11 48 (32.21%) Don't repeat yourself (DRY)
12 47 (31.54%) CRM
13 41 (27.52%) Mentoring
13 41 (27.52%) Migration
14 36 (24.16%) BDD
15 33 (22.15%) Full Stack Development
15 33 (22.15%) Scrum
16 27 (18.12%) Software Engineering
17 21 (14.09%) SDLC
Programming Languages
1 134 (89.93%) C#
2 104 (69.80%) SQL
3 78 (52.35%) JavaScript
4 52 (34.90%) PowerShell
5 47 (31.54%) T-SQL
6 14 (9.40%) VBA
7 9 (6.04%) TypeScript
8 7 (4.70%) Java
9 5 (3.36%) PHP
10 4 (2.68%) Go
10 4 (2.68%) Java 11
10 4 (2.68%) Kotlin
10 4 (2.68%) Scala
11 3 (2.01%) Bash Shell
11 3 (2.01%) ES6
11 3 (2.01%) ES7
11 3 (2.01%) Python
12 1 (0.67%) Apple Swift
12 1 (0.67%) Haskell
12 1 (0.67%) Java 8
Qualifications
1 39 (26.17%) Degree
2 17 (11.41%) Computer Science Degree
3 3 (2.01%) SANS
Quality Assurance & Compliance
1 7 (4.70%) Data Quality
2 6 (4.03%) QA
3 3 (2.01%) WCAG
4 2 (1.34%) Accessibility
4 2 (1.34%) PSD2
System Software
1 29 (19.46%) Docker
Systems Management
1 52 (34.90%) Terraform
2 46 (30.87%) Opscode Chef
3 27 (18.12%) Kubernetes
4 3 (2.01%) Ansible
5 2 (1.34%) Kibana
5 2 (1.34%) logstash
6 1 (0.67%) MIIS
Vendors
1 39 (26.17%) Nintex
2 18 (12.08%) Fidessa
3 5 (3.36%) Microsoft
4 4 (2.68%) Bloomberg
4 4 (2.68%) Concur
4 4 (2.68%) Sage
4 4 (2.68%) Sun
5 3 (2.01%) Sparx
6 2 (1.34%) Charles River
7 1 (0.67%) Atlassian
7 1 (0.67%) Databricks
7 1 (0.67%) Salesforce.com
7 1 (0.67%) Telerik
7 1 (0.67%) VMware