Period
to 18 May 2021

The following table provides summary statistics for permanent job vacancies advertised in 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 18 May 2021 with a comparison to the same period in the previous 2 years.

SOLID Principles
England > London
6 months to
18 May 2021
Same period 2020 Same period 2019
Rank 209 282 304
Rank change year-on-year +73 +22 -22
Permanent jobs citing SOLID 568 476 666
As % of all permanent jobs advertised in London 1.69% 1.20% 1.13%
As % of the Processes & Methodologies category 1.80% 1.28% 1.21%
Number of salaries quoted 392 381 541
10th Percentile £57,500 £45,000 £43,750
25th Percentile £65,000 £52,500 £52,500
Median annual salary (50th Percentile) £80,000 £70,000 £67,500
Median % change year-on-year +14.29% +3.70% +8.00%
75th Percentile £88,750 £86,250 £85,000
90th Percentile £95,000 £97,500 £92,500
England median annual salary £60,000 £55,000 £55,000
% change year-on-year +9.09% - +7.84%

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 London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Permanent vacancies with a requirement for process or methodology skills 31,626 37,312 54,855
As % of all permanent IT jobs advertised in London 94.04% 93.89% 93.02%
Number of salaries quoted 24,107 30,382 44,810
10th Percentile £42,500 £38,500 £36,250
25th Percentile £52,500 £50,000 £47,500
Median annual salary (50th Percentile) £70,000 £67,500 £65,000
Median % change year-on-year +3.70% +3.85% +8.33%
75th Percentile £87,500 £85,000 £81,250
90th Percentile £105,000 £102,500 £97,500
England median annual salary £55,000 £55,000 £52,500
% change year-on-year - +4.76% +5.00%

SOLID
Job Vacancy Trend in London

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

Job vacancy trend for SOLID in London

SOLID
Salary Trend in London

3-month moving average salary quoted in jobs citing SOLID in London.

Salary trend for SOLID in London

SOLID
Salary Histogram in London

Salary distribution for jobs citing SOLID in London over the 6 months to 18 May 2021.

Salary histogram for SOLID in London

SOLID
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing SOLID within the London region over the 6 months to 18 May 2021. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +63 159 £82,500 +13.79% 34
West London +41 27 £65,000 +8.33% 21
South London +15 7 £56,250 -19.64% 3
SOLID
England

For the 6 months to 18 May 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 London region with a requirement for SOLID.

1 385 (67.78%) .NET
2 370 (65.14%) Agile Software Development
3 325 (57.22%) C#
4 315 (55.46%) Microservices
5 301 (52.99%) JavaScript
6 295 (51.94%) .NET Core
7 293 (51.58%) TDD
8 270 (47.54%) SQL
9 228 (40.14%) Docker
10 221 (38.91%) .NET Framework
11 220 (38.73%) Software Engineering
12 217 (38.20%) Azure
13 213 (37.50%) React
14 202 (35.56%) DevOps
15 188 (33.10%) OO
16 171 (30.11%) CSS
17 163 (28.70%) Scrum
18 159 (27.99%) Don't repeat yourself (DRY)
19 157 (27.64%) Kubernetes
20 155 (27.29%) REST
21 148 (26.06%) Continuous Integration
22 143 (25.18%) Web Services
23 139 (24.47%) MVC
24 136 (23.94%) Java
25 132 (23.24%) SQL Server
26 130 (22.89%) Test Automation
27 129 (22.71%) AWS
28 121 (21.30%) NoSQL
28 121 (21.30%) ASP.NET Web API
29 119 (20.95%) Finance

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 86 (15.14%) SharePoint
2 42 (7.39%) Elasticsearch
3 32 (5.63%) Confluence
4 8 (1.41%) IIS
5 7 (1.23%) WordPress
6 6 (1.06%) Apache Spark
6 6 (1.06%) CMS
7 5 (0.88%) Moodle
8 3 (0.53%) Drupal
9 2 (0.35%) Jetty
10 1 (0.18%) Luigi
10 1 (0.18%) Sitecore CMS
10 1 (0.18%) Tornado
10 1 (0.18%) Umbraco
Applications
1 9 (1.58%) Microsoft Excel
2 6 (1.06%) Revit
3 5 (0.88%) AutoCAD
4 4 (0.70%) InVision
4 4 (0.70%) Sketch
4 4 (0.70%) SOLIDWORKS
5 3 (0.53%) Microsoft Office
Business Applications
1 88 (15.49%) Dynamics CRM
2 3 (0.53%) Sparx Enterprise Architect
3 2 (0.35%) Magento
3 2 (0.35%) Payment Gateway
3 2 (0.35%) Shopify
4 1 (0.18%) Infor M3
4 1 (0.18%) NetSuite
Cloud Services
1 217 (38.20%) Azure
2 129 (22.71%) AWS
3 104 (18.31%) Azure Service Bus
4 101 (17.78%) Serverless
5 97 (17.08%) Azure Service Fabric
6 95 (16.73%) Azure App Service
7 70 (12.32%) PaaS
8 68 (11.97%) Azure Functions
9 64 (11.27%) Azure Key Vault
10 62 (10.92%) Azure Active Directory
10 62 (10.92%) Azure Storage
11 42 (7.39%) NuGet
12 38 (6.69%) Azure Event Grid
13 21 (3.70%) SaaS
14 20 (3.52%) Azure Cosmos DB
15 17 (2.99%) Azure Logic Apps
15 17 (2.99%) Dynamics 365
15 17 (2.99%) Power Platform
16 15 (2.64%) Power Automate
16 15 (2.64%) PowerApps
Communications & Networking
1 41 (7.22%) HTTP
2 5 (0.88%) Network Security
3 3 (0.53%) FTP
4 2 (0.35%) Bluetooth
4 2 (0.35%) MQTT
4 2 (0.35%) NFC
4 2 (0.35%) RFID
4 2 (0.35%) Wi-Fi
Database & Business Intelligence
1 132 (23.24%) SQL Server
2 121 (21.30%) NoSQL
3 43 (7.57%) MySQL
4 38 (6.69%) Azure SQL Database
5 37 (6.51%) PostgreSQL
6 35 (6.16%) Redis
7 29 (5.11%) MongoDB
8 22 (3.87%) Relational Database
9 15 (2.64%) SQL Server Integration Services
10 14 (2.46%) Amazon DynamoDB
10 14 (2.46%) Power BI
10 14 (2.46%) SQL Server Reporting Services
11 9 (1.58%) Amazon RDS
12 8 (1.41%) MariaDB
13 5 (0.88%) Big Data
13 5 (0.88%) Data Warehouse
13 5 (0.88%) Ingres
14 4 (0.70%) Apache Cassandra
14 4 (0.70%) Couchbase
14 4 (0.70%) Data Mining
Development Applications
1 108 (19.01%) Git (software)
2 77 (13.56%) Team Foundation Server
3 72 (12.68%) Visual Studio Team System
4 63 (11.09%) GitLab
5 43 (7.57%) TeamCity
6 41 (7.22%) NUnit
7 39 (6.87%) JIRA
8 37 (6.51%) Octopus Deploy
9 26 (4.58%) Visual Studio
9 26 (4.58%) webpack
10 19 (3.35%) Jenkins
11 15 (2.64%) Moq
12 13 (2.29%) Cypress.io
12 13 (2.29%) Maven
13 9 (1.58%) Bitbucket
13 9 (1.58%) Rhino Mocks
13 9 (1.58%) Visual Studio Code
14 8 (1.41%) Jasmine
14 8 (1.41%) Mocha
15 7 (1.23%) Mockito
General
1 119 (20.95%) Finance
2 109 (19.19%) Social Skills
3 61 (10.74%) Analytical Skills
4 54 (9.51%) Banking
5 33 (5.81%) Games
6 17 (2.99%) Front Office
7 11 (1.94%) Retail
8 10 (1.76%) Financial Institution
9 9 (1.58%) Advertising
10 7 (1.23%) Marketing
10 7 (1.23%) Online Betting
11 6 (1.06%) Publishing
12 4 (0.70%) Back Office
12 4 (0.70%) Investment Banking
13 2 (0.35%) Legal
Job Titles
1 333 (58.63%) Developer
2 148 (26.06%) Senior Developer
3 139 (24.47%) Software Engineer
4 128 (22.54%) C# Developer
5 99 (17.43%) .NET Developer
6 86 (15.14%) Senior C# Developer
7 76 (13.38%) Azure Developer
8 60 (10.56%) C# .NET Developer
9 59 (10.39%) Full Stack Developer
10 49 (8.63%) Senior Software Engineer
11 46 (8.10%) Senior .NET Developer
12 40 (7.04%) Senior C# .NET Developer
13 39 (6.87%) SQL Developer
14 37 (6.51%) Senior SQL Developer
15 35 (6.16%) ASP.NET MVC Developer
16 33 (5.81%) .NET Software Engineer
17 30 (5.28%) Lead Developer
18 27 (4.75%) Java Developer
19 20 (3.52%) Java Engineer
20 19 (3.35%) Senior Full Stack Developer
Libraries, Frameworks & Software Standards
1 385 (67.78%) .NET
2 295 (51.94%) .NET Core
3 221 (38.91%) .NET Framework
4 213 (37.50%) React
5 171 (30.11%) CSS
6 155 (27.29%) REST
7 143 (25.18%) Web Services
8 121 (21.30%) ASP.NET Web API
9 106 (18.66%) jQuery
10 103 (18.13%) Node.js
11 101 (17.78%) Twitter Bootstrap
12 100 (17.61%) AngularJS
12 100 (17.61%) HTML
13 95 (16.73%) Entity Framework
14 92 (16.20%) RESTful
15 81 (14.26%) Kafka
16 66 (11.62%) ASP.NET
17 39 (6.87%) Sass
18 36 (6.34%) Redux
19 34 (5.99%) OAuth
Miscellaneous
1 76 (13.38%) N-Tier
2 37 (6.51%) User Experience
3 35 (6.16%) Reinsurance
4 30 (5.28%) Foreign Exchange (FX)
5 23 (4.05%) Greenfield Project
6 21 (3.70%) Algorithms
7 15 (2.64%) Fixed Income
7 15 (2.64%) Self-Motivation
8 10 (1.76%) Cloud Native
9 9 (1.58%) Contract for Difference
9 9 (1.58%) Data Structures
9 9 (1.58%) Equities
9 9 (1.58%) Hybrid Cloud
10 8 (1.41%) Mobile App
10 8 (1.41%) Wiki
11 7 (1.23%) Spread Betting
12 6 (1.06%) Blog
12 6 (1.06%) PlayStation
12 6 (1.06%) Podcast
12 6 (1.06%) Social Media
Operating Systems
1 39 (6.87%) Linux
2 19 (3.35%) Android
3 17 (2.99%) Apple iOS
4 8 (1.41%) Unix
5 6 (1.06%) Windows
Processes & Methodologies
1 370 (65.14%) Agile Software Development
2 315 (55.46%) Microservices
3 293 (51.58%) TDD
4 220 (38.73%) Software Engineering
5 202 (35.56%) DevOps
6 188 (33.10%) OO
7 163 (28.70%) Scrum
8 159 (27.99%) Don't repeat yourself (DRY)
9 148 (26.06%) Continuous Integration
10 139 (24.47%) MVC
11 130 (22.89%) Test Automation
12 103 (18.13%) Mentoring
13 95 (16.73%) CRM
14 93 (16.37%) BDD
15 91 (16.02%) OOP
16 90 (15.85%) Migration
17 89 (15.67%) SOA
18 81 (14.26%) Deployment Automation
18 81 (14.26%) SDLC
18 81 (14.26%) UML
Programming Languages
1 325 (57.22%) C#
2 301 (52.99%) JavaScript
3 270 (47.54%) SQL
4 136 (23.94%) Java
5 109 (19.19%) TypeScript
6 89 (15.67%) Python
7 80 (14.08%) Go
8 74 (13.03%) T-SQL
9 69 (12.15%) PowerShell
10 49 (8.63%) PHP
11 29 (5.11%) Java 8
12 27 (4.75%) ES6
13 20 (3.52%) Scala
14 18 (3.17%) C
15 15 (2.64%) Kotlin
16 10 (1.76%) Rust
17 9 (1.58%) VBA
18 8 (1.41%) Bash Shell
19 7 (1.23%) Clojure
19 7 (1.23%) Ruby
Qualifications
1 95 (16.73%) Degree
2 44 (7.75%) Computer Science Degree
3 6 (1.06%) Master's Degree
4 4 (0.70%) Numerate Degree
4 4 (0.70%) SANS
Quality Assurance & Compliance
1 62 (10.92%) QA
2 22 (3.87%) PSD2
3 5 (0.88%) Data Quality
4 4 (0.70%) WCAG
5 1 (0.18%) GDPR
5 1 (0.18%) ISO/IEC 27001
System Software
1 228 (40.14%) Docker
Systems Management
1 157 (27.64%) Kubernetes
2 82 (14.44%) Terraform
3 61 (10.74%) Opscode Chef
4 24 (4.23%) Prometheus
5 8 (1.41%) Ansible
6 6 (1.06%) Puppet
6 6 (1.06%) Rancher
7 4 (0.70%) Kustomize
8 1 (0.18%) MIIS
Vendors
1 79 (13.91%) Microsoft
2 73 (12.85%) Nintex
3 25 (4.40%) Samsung
4 22 (3.87%) Atlassian
5 6 (1.06%) Autodesk
5 6 (1.06%) Google
5 6 (1.06%) Stackify
6 5 (0.88%) Spotify
7 4 (0.70%) Fidessa
7 4 (0.70%) Salesforce.com
8 3 (0.53%) IFS
8 3 (0.53%) QAD
8 3 (0.53%) Refinitiv
8 3 (0.53%) Sparx
9 2 (0.35%) Apple
9 2 (0.35%) Charles River
9 2 (0.35%) Oracle
10 1 (0.18%) Bloomberg
10 1 (0.18%) JD Edwards
10 1 (0.18%) Sun