SOLID Contracts in England

SOLID Principles
UK > England

The table below provides summary statistics for contract job vacancies advertised in England requiring SOLID skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited SOLID over the 6 months leading up to 23 May 2025, comparing them to the same period in the previous two years.

6 months to
23 May 2025
Same period 2024 Same period 2023
Rank 383 429 488
Rank change year-on-year +46 +59 -70
Contract jobs citing SOLID 97 109 162
As % of all contract jobs advertised in England 0.41% 0.30% 0.34%
As % of the Processes & Methodologies category 0.45% 0.35% 0.38%
Number of daily rates quoted 74 84 111
10th Percentile £406 £425 £413
25th Percentile £478 £462 £473
Median daily rate (50th Percentile) £585 £504 £550
Median % change year-on-year +16.13% -8.41% +4.07%
75th Percentile £688 £650 £675
90th Percentile £718 £725 £775
UK median daily rate £565 £500 £525
% change year-on-year +13.00% -4.76% -
Number of hourly rates quoted 0 0 2
Median hourly rate - - £90.00
UK median hourly rate - - £90.00
% change year-on-year - - +41.57%

All Process and Methodology Skills
England

SOLID falls under the Processes and Methodologies category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring process or methodology skills in England.

Contract vacancies with a requirement for process or methodology skills 21,762 31,336 43,140
As % of all contract IT jobs advertised in England 91.29% 86.24% 90.03%
Number of daily rates quoted 14,222 20,550 30,257
10th Percentile £305 £300 £325
25th Percentile £412 £413 £450
Median daily rate (50th Percentile) £525 £525 £550
Median % change year-on-year - -4.55% +1.85%
75th Percentile £638 £650 £675
90th Percentile £750 £750 £768
UK median daily rate £513 £525 £550
% change year-on-year -2.38% -4.55% +3.29%
Number of hourly rates quoted 920 2,253 1,528
10th Percentile £14.20 £12.88 £10.63
25th Percentile £18.13 £15.95 £16.13
Median hourly rate £28.08 £36.50 £37.50
Median % change year-on-year -23.08% -2.67% +50.00%
75th Percentile £60.00 £60.25 £65.00
90th Percentile £75.00 £72.50 £75.00
UK median hourly rate £27.50 £36.05 £37.00
% change year-on-year -23.71% -2.58% +44.08%

SOLID
Job Vacancy Trend in England

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

Job vacancy trend for SOLID in England

SOLID
Contractor Daily Rate Trend in England

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

Daily rate trend for SOLID in England

SOLID
Daily Rate Histogram in England

Daily rate distribution for jobs citing SOLID in England over the 6 months to 23 May 2025.

Daily rate histogram for SOLID in England

SOLID
Contractor Hourly Rate Trend in England

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

Hourly rate trend for SOLID in England

SOLID
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing SOLID within the England region over the 6 months to 23 May 2025. 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
London +73 75 £600 +4.35% 116
South East +41 11 £475 -13.64% 197
South West +37 7 £400 -11.11% 81
North of England +7 4 £368 -22.53% 159
North West 0 2 £359 -24.42% 92
Yorkshire +14 1 £550 +4.76% 55
North East - 1 - - 13
SOLID
UK

SOLID
Co-occurring Skills and Capabilities in England 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 2 (2.06%) Confluence
2 1 (1.03%) Alfresco
2 1 (1.03%) Anypoint
2 1 (1.03%) Camunda
2 1 (1.03%) CMS
Cloud Services
1 50 (51.55%) AWS
2 29 (29.90%) Azure
3 14 (14.43%) Azure DevOps
4 11 (11.34%) Amazon EC2
4 11 (11.34%) Amazon EKS
4 11 (11.34%) Amazon ElastiCache
4 11 (11.34%) Amazon S3
4 11 (11.34%) CloudFront
4 11 (11.34%) Route 53
5 7 (7.22%) GCP
6 5 (5.15%) GitHub
7 4 (4.12%) Azure Service Bus
7 4 (4.12%) GitHub Actions
7 4 (4.12%) Serverless
8 3 (3.09%) AWS Lambda
8 3 (3.09%) Google Kubernetes Engine
8 3 (3.09%) OpenShift
8 3 (3.09%) Sentry
9 2 (2.06%) AWS CloudFormation
9 2 (2.06%) SaaS
Communications & Networking
1 2 (2.06%) HTTP
2 1 (1.03%) Firewall
2 1 (1.03%) VPN
Database & Business Intelligence
1 37 (38.14%) NoSQL
2 25 (25.77%) PostgreSQL
3 20 (20.62%) MongoDB
4 19 (19.59%) Redis
5 15 (15.46%) SQL Server
6 13 (13.40%) DocumentDB
7 11 (11.34%) Amazon Aurora
7 11 (11.34%) Relational Database
8 8 (8.25%) MySQL
9 3 (3.09%) Azure SQL Database
9 3 (3.09%) CockroachDB
10 2 (2.06%) OLTP
Development Applications
1 17 (17.53%) Git
2 16 (16.49%) Jenkins
3 11 (11.34%) JUnit
4 7 (7.22%) Gradle
5 6 (6.19%) Bitbucket
5 6 (6.19%) JIRA
5 6 (6.19%) Maven
6 5 (5.15%) GoogleTest
6 5 (5.15%) Rational DOORS
6 5 (5.15%) TestRail
7 4 (4.12%) Cypress.io
7 4 (4.12%) Mockito
8 3 (3.09%) CircleCI
8 3 (3.09%) Eclipse
8 3 (3.09%) IntelliJ
8 3 (3.09%) Moq
8 3 (3.09%) TeamCity
8 3 (3.09%) TestNG
8 3 (3.09%) Visual Studio
8 3 (3.09%) Visual Studio Code
General
1 26 (26.80%) Finance
2 25 (25.77%) Public Sector
3 18 (18.56%) Banking
4 17 (17.53%) Social Skills
5 11 (11.34%) Retail Banking
6 7 (7.22%) Manufacturing
7 6 (6.19%) Electronics
7 6 (6.19%) Marketing
7 6 (6.19%) Telecoms
8 3 (3.09%) Influencing Skills
9 1 (1.03%) Aviation
9 1 (1.03%) Investment Banking
9 1 (1.03%) Retail
Job Titles
1 68 (70.10%) Developer
2 24 (24.74%) Senior
3 18 (18.56%) Java Developer
3 18 (18.56%) Senior Developer
4 15 (15.46%) Lead
5 14 (14.43%) .NET Developer
5 14 (14.43%) C# Developer
6 12 (12.37%) Lead Developer
6 12 (12.37%) SC Cleared Java Developer
7 10 (10.31%) Full-Stack Developer
7 10 (10.31%) Python Developer
8 9 (9.28%) Senior .NET Developer
9 8 (8.25%) C# .NET Developer
9 8 (8.25%) Lead .NET Developer
9 8 (8.25%) Lead C# Developer
9 8 (8.25%) Senior C# .NET Developer
9 8 (8.25%) Senior C# Developer
10 7 (7.22%) Azure Developer
10 7 (7.22%) Software Engineer
11 5 (5.15%) Embedded Software Engineer
Libraries, Frameworks & Software Standards
1 30 (30.93%) RESTful
2 28 (28.87%) .NET
2 28 (28.87%) React
3 25 (25.77%) Spring
4 24 (24.74%) Spring Boot
5 20 (20.62%) REST
6 19 (19.59%) GraphQL
6 19 (19.59%) Kafka
7 18 (18.56%) HTML
8 16 (16.49%) .NET Core
8 16 (16.49%) Node.js
9 14 (14.43%) AngularJS
10 13 (13.40%) CSS
11 9 (9.28%) Hibernate
11 9 (9.28%) Vue
12 8 (8.25%) ASP.NET
13 7 (7.22%) .NET Framework
13 7 (7.22%) Django
13 7 (7.22%) Express.js
14 6 (6.19%) Web Services
Miscellaneous
1 13 (13.40%) Product Ownership
2 12 (12.37%) Derivative
3 6 (6.19%) Cloud Native
4 5 (5.15%) Distributed Systems
4 5 (5.15%) Legacy Systems
4 5 (5.15%) PKI
4 5 (5.15%) Public Cloud
5 3 (3.09%) Distributed Applications
6 2 (2.06%) Data Structures
6 2 (2.06%) Legacy Code
7 1 (1.03%) Algorithms
7 1 (1.03%) Enterprise Cloud
7 1 (1.03%) Linux Command Line
7 1 (1.03%) Management Information System
7 1 (1.03%) Mobile App
7 1 (1.03%) N-Tier
7 1 (1.03%) Virtual Team
Operating Systems
1 8 (8.25%) Linux
2 5 (5.15%) Embedded Linux
3 2 (2.06%) Android
3 2 (2.06%) Apple iOS
4 1 (1.03%) Unix
4 1 (1.03%) Windows
Processes & Methodologies
1 57 (58.76%) Agile
2 39 (40.21%) DevOps
2 39 (40.21%) TDD
3 37 (38.14%) Microservices
4 33 (34.02%) CI/CD
4 33 (34.02%) Design Patterns
5 29 (29.90%) OO
6 25 (25.77%) Clean Code
7 20 (20.62%) Continuous Integration
7 20 (20.62%) Problem-Solving
7 20 (20.62%) Software Engineering
7 20 (20.62%) Test Automation
8 15 (15.46%) API Development
8 15 (15.46%) OOP
8 15 (15.46%) Pair Programming
9 14 (14.43%) BDD
9 14 (14.43%) Mentoring
10 13 (13.40%) Full-Stack Development
10 13 (13.40%) Scrum
10 13 (13.40%) Unit Testing
Programming Languages
1 51 (52.58%) SQL
2 44 (45.36%) C#
3 34 (35.05%) JavaScript
4 31 (31.96%) Java
5 17 (17.53%) Python
6 8 (8.25%) PowerShell
6 8 (8.25%) TypeScript
7 5 (5.15%) C++
8 4 (4.12%) Scala
9 3 (3.09%) Go
9 3 (3.09%) Kotlin
10 2 (2.06%) Ruby
10 2 (2.06%) Shell Script
10 2 (2.06%) Swift
11 1 (1.03%) Bicep
11 1 (1.03%) Groovy
11 1 (1.03%) Objective-C
11 1 (1.03%) T-SQL
Qualifications
1 26 (26.80%) Security Cleared
2 25 (25.77%) SC Cleared
3 12 (12.37%) AWS Certified Developer
4 9 (9.28%) Degree
5 7 (7.22%) Computer Science Degree
6 1 (1.03%) AWS Certification
6 1 (1.03%) Numerate Degree
Quality Assurance & Compliance
1 5 (5.15%) Accessibility
2 2 (2.06%) QA
2 2 (2.06%) WCAG
System Software
1 20 (20.62%) Docker
2 1 (1.03%) Active Directory
2 1 (1.03%) Virtual Machines
Systems Management
1 29 (29.90%) Kubernetes
2 12 (12.37%) Terraform
3 7 (7.22%) Grafana
4 3 (3.09%) Prometheus
5 2 (2.06%) Progress Chef
6 1 (1.03%) CloudHub
6 1 (1.03%) Kibana
6 1 (1.03%) Single Sign-On
Vendors
1 14 (14.43%) Microsoft
2 8 (8.25%) Google
3 6 (6.19%) SAP
4 4 (4.12%) Oracle
5 2 (2.06%) Splunk
6 1 (1.03%) Apple
6 1 (1.03%) MuleSoft
6 1 (1.03%) Salesforce
6 1 (1.03%) Sybase