Period
to 25 September 2021

The following table provides summary statistics for permanent job vacancies 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 25 September 2021 with a comparison to the same period in the previous 2 years.

SOLID Principles
UK
6 months to
25 Sep 2021
Same period 2020 Same period 2019
Rank 199 243 291
Rank change year-on-year +44 +48 -24
Permanent jobs citing SOLID 2,146 687 1,608
As % of all permanent jobs advertised in the UK 1.76% 1.41% 1.14%
As % of the Processes & Methodologies category 1.87% 1.51% 1.23%
Number of salaries quoted 1,270 593 1,361
10th Percentile £38,750 £37,500 £35,000
25th Percentile £46,750 £45,000 £42,500
Median annual salary (50th Percentile) £57,500 £55,000 £55,000
Median % change year-on-year +4.55% - +4.76%
75th Percentile £72,500 £70,000 £77,500
90th Percentile £86,250 £88,500 £87,500
UK excluding London median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +9.89%

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 with a requirement for process or methodology skills.

All Process and Methodology Skills
UK
Permanent vacancies with a requirement for process or methodology skills 114,744 45,556 130,359
As % of all permanent IT jobs advertised in the UK 93.98% 93.23% 92.62%
Number of salaries quoted 76,675 37,678 103,661
10th Percentile £32,500 £33,000 £30,000
25th Percentile £42,500 £42,500 £37,500
Median annual salary (50th Percentile) £57,500 £55,000 £52,500
Median % change year-on-year +4.55% +4.76% +5.00%
75th Percentile £76,250 £73,750 £70,000
90th Percentile £93,750 £92,500 £86,500
UK excluding London median annual salary £50,000 £50,000 £45,000
% change year-on-year - +11.11% -

SOLID
Job Vacancy Trend

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

Job vacancy trend for SOLID in the UK

SOLID
Salary Trend

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

Salary trend for SOLID in the UK

SOLID
Salary Histogram

Salary distribution for jobs citing SOLID over the 6 months to 25 September 2021.

Salary histogram for SOLID in the UK

SOLID
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing SOLID within the UK over the 6 months to 25 September 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
England +50 1,983 £60,000 +9.09% 295
UK excluding London -5 1,035 £52,500 +5.00% 186
London +68 1,004 £72,500 +5.84% 120
Work from Home -55 517 £55,000 +4.76% 85
South East -29 343 £52,500 -4.55% 47
North of England +9 302 £57,500 +15.00% 60
North West -1 182 £57,500 +9.52% 41
Midlands -49 133 £50,000 -4.76% 28
Yorkshire -17 117 £57,500 +21.05% 16
West Midlands -27 114 £50,000 -4.76% 17
South West -20 111 £49,375 +16.18% 23
East of England -42 77 £62,500 +4.17% 16
Scotland -67 47 £56,250 +12.50% 11
Wales -26 28 £40,130 -19.74% 1
East Midlands -83 19 £42,500 -22.73% 11
Northern Ireland -45 6 £35,000 - 2
North East -50 3 £45,345 +22.55% 3

For the 6 months to 25 September 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 with a requirement for SOLID.

1 1,382 (64.40%) Agile Software Development
2 1,296 (60.39%) C#
3 1,169 (54.47%) TDD
4 1,165 (54.29%) .NET
5 1,024 (47.72%) JavaScript
6 873 (40.68%) SQL
7 787 (36.67%) Azure
8 716 (33.36%) React
9 707 (32.95%) Software Engineering
10 684 (31.87%) Microservices
11 678 (31.59%) AWS
12 647 (30.15%) DevOps
13 643 (29.96%) MVC
14 620 (28.89%) .NET Core
15 563 (26.23%) Git (software)
16 560 (26.10%) Docker
17 548 (25.54%) OOP
18 544 (25.35%) OO
18 544 (25.35%) AngularJS
19 521 (24.28%) Full Stack Development
20 516 (24.04%) Java
21 496 (23.11%) REST
22 485 (22.60%) Scrum
23 463 (21.58%) Kubernetes
24 457 (21.30%) .NET Framework
25 430 (20.04%) BDD
26 415 (19.34%) Test Automation
27 411 (19.15%) RESTful
28 403 (18.78%) SQL Server
29 399 (18.59%) HTML

SOLID
Co-occurring IT Skills 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
1 155 (7.22%) Elasticsearch
2 154 (7.18%) CMS
3 85 (3.96%) EPiServer
4 66 (3.08%) Umbraco
5 50 (2.33%) Confluence
6 46 (2.14%) SharePoint
7 36 (1.68%) Cloud Foundry
8 34 (1.58%) GemFire
9 30 (1.40%) Apache
10 23 (1.07%) IIS
11 14 (0.65%) Sitecore CMS
12 13 (0.61%) Apache Spark
12 13 (0.61%) IBM Domino
12 13 (0.61%) NServiceBus
13 12 (0.56%) WordPress
14 5 (0.23%) Tomcat
15 4 (0.19%) Apache Solr
15 4 (0.19%) Headless CMS
15 4 (0.19%) Jetty
15 4 (0.19%) nginx
Applications
1 12 (0.56%) Microsoft Office
2 10 (0.47%) SOLIDWORKS
3 9 (0.42%) Microsoft Excel
4 8 (0.37%) EngageOne
5 7 (0.33%) Sketch
6 3 (0.14%) Adobe Creative Suite
6 3 (0.14%) InVision
7 2 (0.093%) Chatbot
8 1 (0.047%) Figma
8 1 (0.047%) Revit
Business Applications
1 89 (4.15%) Dynamics CRM
2 17 (0.79%) Magento
3 14 (0.65%) Shopify
4 11 (0.51%) Oracle BPM
4 11 (0.51%) Payment Gateway
5 5 (0.23%) SDL Web 8
6 3 (0.14%) Salesforce.com CRM
6 3 (0.14%) Sparx Enterprise Architect
7 2 (0.093%) NetSuite
Cloud Services
1 787 (36.67%) Azure
2 678 (31.59%) AWS
3 213 (9.93%) Serverless
4 174 (8.11%) GCP
5 149 (6.94%) GitHub
6 144 (6.71%) SaaS
7 126 (5.87%) AWS CloudFormation
8 95 (4.43%) PaaS
9 83 (3.87%) AWS Lambda
10 70 (3.26%) Azure Functions
11 68 (3.17%) Azure Service Bus
12 57 (2.66%) Amazon S3
13 45 (2.10%) Amazon ECS
14 44 (2.05%) Amazon CloudWatch
15 40 (1.86%) npm
16 38 (1.77%) NuGet
17 37 (1.72%) Power Platform
18 34 (1.58%) Azure Cosmos DB
19 28 (1.30%) Azure Key Vault
19 28 (1.30%) Azure Logic Apps
Communications & Networking
1 158 (7.36%) HTTP
2 34 (1.58%) Calico
3 18 (0.84%) NFC
4 17 (0.79%) Internet
5 16 (0.75%) WebEx
6 12 (0.56%) FTP
7 9 (0.42%) Broadband
8 4 (0.19%) MQTT
8 4 (0.19%) PPP
9 2 (0.093%) Network Security
9 2 (0.093%) Wireless
Database & Business Intelligence
1 403 (18.78%) SQL Server
2 366 (17.05%) NoSQL
3 130 (6.06%) Relational Database
4 127 (5.92%) PostgreSQL
4 127 (5.92%) Redis
5 125 (5.82%) MySQL
6 115 (5.36%) MongoDB
7 73 (3.40%) Amazon DynamoDB
8 49 (2.28%) Azure SQL Database
9 38 (1.77%) Amazon RDS
10 30 (1.40%) Power BI
11 28 (1.30%) SQL Server Integration Services
12 27 (1.26%) SQL Server Reporting Services
13 25 (1.16%) Amazon Athena
13 25 (1.16%) Hazelcast
14 23 (1.07%) Apache Cassandra
15 22 (1.03%) SQL Server 2012
16 20 (0.93%) Couchbase
17 17 (0.79%) RDBMS
18 15 (0.70%) Hadoop
Development Applications
1 563 (26.23%) Git (software)
2 217 (10.11%) Jenkins
3 210 (9.79%) Octopus Deploy
3 210 (9.79%) TeamCity
4 129 (6.01%) JIRA
5 102 (4.75%) Visual Studio
6 87 (4.05%) NUnit
7 74 (3.45%) Selenium
8 73 (3.40%) Team Foundation Server
9 68 (3.17%) Moq
10 60 (2.80%) Maven
11 52 (2.42%) git-flow
11 52 (2.42%) Protractor
12 47 (2.19%) gulp
13 46 (2.14%) Bitbucket
13 46 (2.14%) Cypress.io
13 46 (2.14%) webpack
14 45 (2.10%) Visual Studio Team System
15 44 (2.05%) Gradle
16 41 (1.91%) JUnit
General
1 387 (18.03%) Finance
2 368 (17.15%) Social Skills
3 201 (9.37%) Banking
4 115 (5.36%) Inclusion and Diversity
5 93 (4.33%) Retail
6 81 (3.77%) Analytical Skills
7 54 (2.52%) Investment Banking
8 52 (2.42%) Games
9 46 (2.14%) Law
10 40 (1.86%) Marketing
11 29 (1.35%) Legal
12 27 (1.26%) Back Office
13 26 (1.21%) Financial Institution
14 17 (0.79%) Manufacturing
15 14 (0.65%) Public Sector
16 13 (0.61%) Presentation Skills
17 11 (0.51%) Advertising
18 10 (0.47%) Documentation Skills
19 9 (0.42%) Publishing
19 9 (0.42%) Telecoms
Job Titles
1 1,345 (62.67%) Developer
2 388 (18.08%) Software Engineer
3 366 (17.05%) .NET Developer
4 353 (16.45%) Senior Developer
5 298 (13.89%) Full Stack Developer
6 295 (13.75%) C# Developer
7 215 (10.02%) Software Developer
8 195 (9.09%) C# .NET Developer
9 148 (6.90%) PHP Developer
10 130 (6.06%) React Developer
11 114 (5.31%) Senior Software Engineer
12 109 (5.08%) Architect
13 104 (4.85%) Java Developer
14 93 (4.33%) Senior .NET Developer
15 92 (4.29%) Lead Developer
16 80 (3.73%) Front End Developer (Client-Side Developer)
17 76 (3.54%) Senior C# Developer
18 73 (3.40%) Angular Developer
19 63 (2.94%) Backend Developer
19 63 (2.94%) Senior Full Stack Developer
Libraries, Frameworks & Software Standards
1 1,165 (54.29%) .NET
2 716 (33.36%) React
3 620 (28.89%) .NET Core
4 544 (25.35%) AngularJS
5 496 (23.11%) REST
6 457 (21.30%) .NET Framework
7 411 (19.15%) RESTful
8 399 (18.59%) HTML
9 390 (18.17%) CSS
10 369 (17.19%) ASP.NET
11 336 (15.66%) Web Services
12 305 (14.21%) Node.js
13 250 (11.65%) ASP.NET Web API
14 225 (10.48%) Vue.js
15 205 (9.55%) Entity Framework
16 181 (8.43%) ASP.NET MVC
17 164 (7.64%) Spring
18 150 (6.99%) jQuery
19 141 (6.57%) HTML5
20 135 (6.29%) RabbitMQ
Miscellaneous
1 178 (8.29%) User Experience
2 122 (5.68%) Greenfield Project
3 92 (4.29%) Mobile App
4 88 (4.10%) Enterprise Software
5 64 (2.98%) Algorithms
6 59 (2.75%) Self-Motivation
7 51 (2.38%) Cloud Native
8 49 (2.28%) Legacy Code
9 38 (1.77%) Data Structures
10 36 (1.68%) Legacy Systems
11 31 (1.44%) Blog
12 28 (1.30%) Equities
12 28 (1.30%) Foreign Exchange (FX)
13 26 (1.21%) N-Tier
14 24 (1.12%) Wiki
15 22 (1.03%) Management Information System
16 21 (0.98%) Reference Data
17 18 (0.84%) iPhone
18 16 (0.75%) Legacy Applications
18 16 (0.75%) PlayStation
Operating Systems
1 150 (6.99%) Linux
2 108 (5.03%) Android
3 72 (3.36%) Windows
4 55 (2.56%) Apple iOS
5 34 (1.58%) Mesosphere
6 14 (0.65%) Unix
7 4 (0.19%) Debian
8 3 (0.14%) Windows 10
9 2 (0.093%) Windows 7
9 2 (0.093%) Windows XP
10 1 (0.047%) VMS
Processes & Methodologies
1 1,382 (64.40%) Agile Software Development
2 1,169 (54.47%) TDD
3 707 (32.95%) Software Engineering
4 684 (31.87%) Microservices
5 647 (30.15%) DevOps
6 643 (29.96%) MVC
7 548 (25.54%) OOP
8 544 (25.35%) OO
9 521 (24.28%) Full Stack Development
10 485 (22.60%) Scrum
11 430 (20.04%) BDD
12 415 (19.34%) Test Automation
13 394 (18.36%) Continuous Integration
14 347 (16.17%) SDLC
15 318 (14.82%) Unit Testing
16 264 (12.30%) Clean Code
17 249 (11.60%) Problem-Solving
18 239 (11.14%) Computer Science
19 230 (10.72%) Don't repeat yourself (DRY)
20 216 (10.07%) Mentoring
Programming Languages
1 1,296 (60.39%) C#
2 1,024 (47.72%) JavaScript
3 873 (40.68%) SQL
4 516 (24.04%) Java
5 363 (16.92%) TypeScript
6 277 (12.91%) Python
7 220 (10.25%) Go
8 218 (10.16%) PHP
9 165 (7.69%) Kotlin
10 143 (6.66%) Scala
11 133 (6.20%) C++
12 123 (5.73%) Ruby
13 86 (4.01%) T-SQL
14 70 (3.26%) Bash Shell
15 68 (3.17%) PowerShell
16 62 (2.89%) C
17 58 (2.70%) Java 8
18 42 (1.96%) ES6
19 29 (1.35%) Rust
19 29 (1.35%) VBA
Qualifications
1 261 (12.16%) Degree
2 184 (8.57%) Computer Science Degree
3 34 (1.58%) OCP
3 34 (1.58%) Oracle Certification
4 26 (1.21%) Numerate Degree
5 5 (0.23%) Master's Degree
6 3 (0.14%) A+ Certification
6 3 (0.14%) SC Cleared
6 3 (0.14%) Security Cleared
7 2 (0.093%) AWS Certification
8 1 (0.047%) DBS Check
8 1 (0.047%) DV Cleared
8 1 (0.047%) Microsoft Certification
Quality Assurance & Compliance
1 151 (7.04%) QA
2 46 (2.14%) PSD2
3 34 (1.58%) SLA
4 31 (1.44%) Accessibility
5 13 (0.61%) Data Quality
6 11 (0.51%) WCAG
7 3 (0.14%) GDPR
System Software
1 560 (26.10%) Docker
2 34 (1.58%) Virtual Machines
3 5 (0.23%) Active Directory
4 4 (0.19%) Varnish
5 3 (0.14%) Apache ZooKeeper
6 1 (0.047%) Firmware
Systems Management
1 463 (21.58%) Kubernetes
2 232 (10.81%) Terraform
3 105 (4.89%) Opscode Chef
4 87 (4.05%) Prometheus
5 79 (3.68%) Ansible
6 65 (3.03%) Kibana
7 61 (2.84%) Puppet
8 35 (1.63%) Grafana
9 34 (1.58%) Automic
10 30 (1.40%) Consul
11 22 (1.03%) logstash
12 16 (0.75%) Single Sign-On
13 14 (0.65%) Graphite
14 10 (0.47%) Kustomize
15 5 (0.23%) Docker Swarm
16 3 (0.14%) Hadoop YARN
16 3 (0.14%) Oozie
17 1 (0.047%) Amdocs OSS
Vendors
1 348 (16.22%) Microsoft
2 84 (3.91%) Samsung
3 83 (3.87%) Oracle
4 77 (3.59%) Google
5 39 (1.82%) Splunk
6 29 (1.35%) Sitecore
7 23 (1.07%) Apple
7 23 (1.07%) PayPal
8 21 (0.98%) Atlassian
9 18 (0.84%) Fidessa
10 15 (0.70%) Xamarin
11 13 (0.61%) New Relic
11 13 (0.61%) QAD
11 13 (0.61%) Refinitiv
12 12 (0.56%) Nintex
13 8 (0.37%) Telerik
14 7 (0.33%) SAP
15 6 (0.28%) Zend
16 5 (0.23%) Salesforce.com
16 5 (0.23%) Stackify