SOLID Principles
UK

The following table provides summary statistics for contract job vacancies 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 19 April 2024 with a comparison to the same period in the previous 2 years.

6 months to
19 Apr 2024
Same period 2023 Same period 2022
Rank 454 498 428
Rank change year-on-year +44 -70 -26
Contract jobs citing SOLID 132 225 507
As % of all contract jobs advertised in the UK 0.30% 0.37% 0.56%
As % of the Processes & Methodologies category 0.35% 0.41% 0.62%
Number of daily rates quoted 105 160 382
10th Percentile £400 £413 £404
25th Percentile £459 £473 £452
Median daily rate (50th Percentile) £500 £550 £527
Median % change year-on-year -9.09% +4.41% +5.35%
75th Percentile £625 £675 £638
90th Percentile £710 £775 £700
UK excluding London median daily rate £500 £538 £510
% change year-on-year -6.98% +5.39% +16.24%
Number of hourly rates quoted 0 2 8
10th Percentile - - -
25th Percentile - - £60.00
Median hourly rate - £90.00 £62.15
Median % change year-on-year - +44.81% +12.63%
75th Percentile - - £65.00
90th Percentile - - £68.65
UK excluding London median hourly rate - - £62.15

All Process and Methodology Skills
UK

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 with a requirement for process or methodology skills.

Contract vacancies with a requirement for process or methodology skills 37,706 54,523 81,413
As % of all contract IT jobs advertised in the UK 86.36% 89.87% 90.60%
Number of daily rates quoted 24,375 37,727 57,191
10th Percentile £300 £325 £338
25th Percentile £413 £438 £425
Median daily rate (50th Percentile) £525 £550 £525
Median % change year-on-year -4.55% +4.76% +9.38%
75th Percentile £638 £650 £638
90th Percentile £750 £750 £738
UK excluding London median daily rate £500 £500 £475
% change year-on-year - +5.26% +10.47%
Number of hourly rates quoted 2,416 1,789 1,947
10th Percentile £12.75 £11.00 £12.50
25th Percentile £16.00 £16.38 £15.25
Median hourly rate £35.00 £36.31 £25.00
Median % change year-on-year -3.59% +45.22% -
75th Percentile £58.70 £65.00 £49.25
90th Percentile £71.88 £75.00 £63.75
UK excluding London median hourly rate £35.00 £36.00 £19.96
% change year-on-year -2.78% +80.41% -7.83%

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
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing SOLID.

Daily rate trend for SOLID in the UK

SOLID
Daily Rate Histogram

Daily rate distribution for jobs citing SOLID over the 6 months to 19 April 2024.

Daily rate histogram for SOLID in the UK

SOLID
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing SOLID.

Hourly rate trend for SOLID in the UK

SOLID
Top 14 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing SOLID within the UK over the 6 months to 19 April 2024. 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
Jobs
England +51 120 £500 -13.04% 117
London +81 65 £575 - 35
Work from Home +44 63 £475 -17.39% 83
UK excluding London +28 53 £500 -6.98% 89
South East +14 25 £500 -16.67% 22
North of England +16 10 £475 -5.00% 27
South West +21 9 £450 -35.71% 7
North West +16 9 £475 - 20
Scotland +34 5 £480 -4.00% 9
Midlands +26 2 £338 - 16
West Midlands +24 2 £338 -34.15% 7
Wales +15 1 £583 +45.63% 5
Yorkshire +10 1 - - 5
East of England - 1 £450 - 8

SOLID
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 9 (6.82%) Confluence
2 3 (2.27%) CMS
2 3 (2.27%) Umbraco
3 2 (1.52%) Apache Solr
3 2 (1.52%) Tomcat
4 1 (0.76%) Apache Airflow
Business Applications
1 3 (2.27%) Dynamics CRM
Cloud Services
1 64 (48.48%) Azure
2 30 (22.73%) Azure DevOps
3 17 (12.88%) Azure Logic Apps
4 16 (12.12%) AWS
5 14 (10.61%) Serverless
6 12 (9.09%) Azure Functions
6 12 (9.09%) Azure Service Bus
7 11 (8.33%) Azure API Management
7 11 (8.33%) Azure Data Factory
8 10 (7.58%) PaaS
9 7 (5.30%) Azure Monitor
9 7 (5.30%) NuGet
10 6 (4.55%) Azure Key Vault
11 5 (3.79%) npm
12 4 (3.03%) SaaS
12 4 (3.03%) Yarn
13 3 (2.27%) Azure Machine Learning
13 3 (2.27%) Figma
13 3 (2.27%) GitHub
14 2 (1.52%) GCP
Communications & Networking
1 2 (1.52%) TCP/IP
2 1 (0.76%) Internet
2 1 (0.76%) NFC
2 1 (0.76%) PPP
Database & Business Intelligence
1 31 (23.48%) NoSQL
2 22 (16.67%) SQL Server
3 17 (12.88%) Relational Database
4 13 (9.85%) Azure SQL Database
5 10 (7.58%) PostgreSQL
6 8 (6.06%) MongoDB
7 5 (3.79%) Redis
8 4 (3.03%) DynamoDB
8 4 (3.03%) SQL Server Integration Services
9 3 (2.27%) CockroachDB
9 3 (2.27%) Couchbase
9 3 (2.27%) DB2
9 3 (2.27%) MySQL
10 2 (1.52%) Data Lake
10 2 (1.52%) RavenDB
11 1 (0.76%) Amazon Aurora
11 1 (0.76%) Data Warehouse
11 1 (0.76%) MariaDB
11 1 (0.76%) SQL Server Reporting Services
11 1 (0.76%) SQLite
Development Applications
1 29 (21.97%) Git
2 16 (12.12%) Jenkins
3 12 (9.09%) JIRA
4 10 (7.58%) Visual Studio
5 8 (6.06%) JUnit
6 6 (4.55%) Jasmine
6 6 (4.55%) TeamCity
6 6 (4.55%) webpack
7 5 (3.79%) CircleCI
7 5 (3.79%) GitLab
8 4 (3.03%) Karma Test Runner
8 4 (3.03%) Mocha
8 4 (3.03%) Postman
9 3 (2.27%) Gradle
9 3 (2.27%) NUnit
9 3 (2.27%) SonarQube
10 2 (1.52%) Cucumber
10 2 (1.52%) Moq
10 2 (1.52%) Selenium
10 2 (1.52%) Visual Studio Code
General
1 28 (21.21%) Finance
2 14 (10.61%) Social Skills
3 13 (9.85%) Public Sector
4 10 (7.58%) Law
5 6 (4.55%) Front Office
6 5 (3.79%) Analytical Skills
6 5 (3.79%) Inclusion and Diversity
7 4 (3.03%) Banking
7 4 (3.03%) Presentation Skills
7 4 (3.03%) Tech for Good
8 2 (1.52%) Electronics
8 2 (1.52%) Manufacturing
8 2 (1.52%) Marketing
8 2 (1.52%) Organisational Skills
8 2 (1.52%) Telecoms
Job Titles
1 89 (67.42%) Developer
2 19 (14.39%) .NET Developer
2 19 (14.39%) C# Developer
3 15 (11.36%) Full Stack Developer
3 15 (11.36%) Java Developer
3 15 (11.36%) Software Engineer
4 14 (10.61%) Azure Developer
4 14 (10.61%) Senior
5 12 (9.09%) Architect
5 12 (9.09%) Lead
6 11 (8.33%) Software Developer
7 10 (7.58%) Senior Developer
8 7 (5.30%) C# .NET Developer
8 7 (5.30%) Lead Developer
8 7 (5.30%) Python Developer
8 7 (5.30%) Technical Architect
9 6 (4.55%) Android Developer
10 5 (3.79%) Integration Engineer
10 5 (3.79%) Mobile Developer
10 5 (3.79%) SQL Developer
Libraries, Frameworks & Software Standards
1 80 (60.61%) .NET
2 41 (31.06%) REST
3 26 (19.70%) HTML
4 25 (18.94%) CSS
4 25 (18.94%) React
5 24 (18.18%) .NET Core
5 24 (18.18%) ASP.NET
5 24 (18.18%) Web Services
6 20 (15.15%) Spring
6 20 (15.15%) Vue
7 19 (14.39%) AngularJS
8 18 (13.64%) Node.js
9 16 (12.12%) Kafka
10 15 (11.36%) Spring Boot
11 14 (10.61%) .NET Framework
11 14 (10.61%) ASP.NET Core
12 13 (9.85%) SOAP
13 11 (8.33%) RESTful
14 9 (6.82%) GraphQL
14 9 (6.82%) XML
Miscellaneous
1 14 (10.61%) Product Ownership
2 12 (9.09%) Distributed Systems
3 8 (6.06%) Cloud Native
4 5 (3.79%) Greenfield Project
5 4 (3.03%) Algorithms
5 4 (3.03%) Data Structures
5 4 (3.03%) Enterprise Software
6 3 (2.27%) Wiki
7 2 (1.52%) Hedge funds
7 2 (1.52%) IoT
7 2 (1.52%) Legacy Systems
7 2 (1.52%) Mobile App
7 2 (1.52%) Public Cloud
8 1 (0.76%) Blockchain
8 1 (0.76%) Data Protection Act
8 1 (0.76%) Embedded Systems
8 1 (0.76%) Foreign Exchange (FX)
8 1 (0.76%) Reference Data
8 1 (0.76%) Self-Motivation
8 1 (0.76%) Smartcard
Operating Systems
1 9 (6.82%) Android
2 5 (3.79%) Apple iOS
2 5 (3.79%) Linux
2 5 (3.79%) Windows
3 4 (3.03%) Embedded Linux
4 3 (2.27%) Unix
5 1 (0.76%) Ubuntu
Processes & Methodologies
1 55 (41.67%) OO
1 55 (41.67%) TDD
2 52 (39.39%) Agile
3 47 (35.61%) Design Patterns
4 40 (30.30%) DevOps
4 40 (30.30%) Microservices
5 37 (28.03%) CI/CD
6 35 (26.52%) Software Engineering
7 30 (22.73%) OOP
8 29 (21.97%) Scrum
8 29 (21.97%) Unit Testing
9 27 (20.45%) MVC
10 26 (19.70%) Clean Code
10 26 (19.70%) Full Stack Development
11 21 (15.91%) Problem-Solving
11 21 (15.91%) Web Development
12 19 (14.39%) MVVM
13 18 (13.64%) Test Automation
14 16 (12.12%) Continuous Integration
15 15 (11.36%) Mentoring
Programming Languages
1 89 (67.42%) C#
2 51 (38.64%) SQL
3 45 (34.09%) JavaScript
4 31 (23.48%) Java
5 21 (15.91%) Python
6 14 (10.61%) PowerShell
7 12 (9.09%) TypeScript
8 7 (5.30%) Bicep
9 6 (4.55%) Bash
9 6 (4.55%) PHP
10 5 (3.79%) C++
11 4 (3.03%) Kotlin
11 4 (3.03%) Perl
11 4 (3.03%) Shell Script
12 3 (2.27%) C
13 2 (1.52%) T-SQL
14 1 (0.76%) F#
14 1 (0.76%) Objective-C
14 1 (0.76%) PL/SQL
14 1 (0.76%) Scala
Qualifications
1 10 (7.58%) Degree
1 10 (7.58%) Security Cleared
2 8 (6.06%) SC Cleared
3 7 (5.30%) Computer Science Degree
4 5 (3.79%) BPSS Clearance
5 4 (3.03%) Master's Degree
6 1 (0.76%) Azure Certification
6 1 (0.76%) Microsoft Certification
Quality Assurance & Compliance
1 6 (4.55%) QA
2 5 (3.79%) Accessibility
2 5 (3.79%) Data Quality
2 5 (3.79%) WCAG
System Software
1 12 (9.09%) Docker
Systems Management
1 15 (11.36%) Terraform
2 11 (8.33%) Kubernetes
3 3 (2.27%) Grafana
4 2 (1.52%) Istio
5 1 (0.76%) Knative
5 1 (0.76%) Prometheus
Vendors
1 17 (12.88%) Microsoft
2 8 (6.06%) Oracle
3 3 (2.27%) Greenplum
3 3 (2.27%) Salesforce
4 2 (1.52%) Atmel
4 2 (1.52%) Google
4 2 (1.52%) SAP
4 2 (1.52%) Xamarin
5 1 (0.76%) Adobe
5 1 (0.76%) Atlassian
5 1 (0.76%) ServiceNow
5 1 (0.76%) TIBCO