SOLID Contract Job Trends in the City of London

SOLID Principles
Central London > City of London

The table below provides summary statistics and contractor rates for jobs advertised in the City of London requiring SOLID skills. It covers vacancies from the 6 months leading up to 15 September 2025, with comparisons to the same periods in the previous two years.

6 months to
15 Sep 2025
Same period 2024 Same period 2023
Rank 107 122 140
Rank change year-on-year +15 +18 +28
Contract jobs citing SOLID 9 6 12
As % of all contract jobs advertised in the City of London 0.51% 0.29% 0.39%
As % of the Processes & Methodologies category 0.55% 0.31% 0.43%
Number of daily rates quoted 7 4 10
10th Percentile £436 £535 £496
25th Percentile £524 £550 £509
Median daily rate (50th Percentile) £585 £609 £601
Median % change year-on-year -3.90% +1.37% +26.42%
75th Percentile - £666 £825
90th Percentile £600 £694 £834
Central London median daily rate £585 £650 £601
% change year-on-year -10.00% +8.24% +26.42%

All Process and Methodology Skills
City of London

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 the City of London.

Contract vacancies with a requirement for process or methodology skills 1,649 1,913 2,773
As % of all contract IT jobs advertised in the City of London 94.17% 92.10% 90.36%
Number of daily rates quoted 1,093 1,220 1,918
10th Percentile £325 £384 £363
25th Percentile £418 £475 £475
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% +4.35%
75th Percentile £675 £688 £712
90th Percentile £763 £788 £815
Central London median daily rate £550 £575 £600
% change year-on-year -4.35% -4.17% +4.35%
Number of hourly rates quoted 22 17 15
10th Percentile £17.35 £15.20 £14.25
25th Percentile £23.98 £20.22 £15.43
Median hourly rate £28.33 £27.00 £27.50
Median % change year-on-year +4.91% -1.82% -36.05%
75th Percentile £53.50 £78.75 £47.41
90th Percentile £63.75 £137.50 £62.45
Central London median hourly rate £31.25 £35.00 £26.75
% change year-on-year -10.71% +30.84% -37.06%

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
Daily Rate Trend in the City of London

Contractor daily rate distribution trend for jobs in the City of London citing SOLID.

Contractor daily rate distribution trend for jobs in the City of London citing SOLID

SOLID
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing SOLID in the City of London over the 6 months to 15 September 2025.

Daily rate histogram for SOLID in the City of London

SOLID
Co-occurring Skills and Capabilities in the City of London 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:

Cloud Services
1 6 (66.67%) AWS
2 2 (22.22%) Azure
Database & Business Intelligence
1 8 (88.89%) NoSQL
2 6 (66.67%) MongoDB
2 6 (66.67%) PostgreSQL
General
1 8 (88.89%) Public Sector
2 1 (11.11%) Analytical Skills
Job Titles
1 9 (100.00%) Developer
2 6 (66.67%) Java Developer
2 6 (66.67%) SC Cleared Java Developer
3 2 (22.22%) Full-Stack Developer
4 1 (11.11%) SQL Developer
Libraries, Frameworks & Software Standards
1 6 (66.67%) Kafka
1 6 (66.67%) React
1 6 (66.67%) Spring
1 6 (66.67%) Spring Boot
2 2 (22.22%) .NET
2 2 (22.22%) ASP.NET
2 2 (22.22%) ASP.NET Core
2 2 (22.22%) CSS
2 2 (22.22%) HTML
2 2 (22.22%) Node.js
2 2 (22.22%) REST
2 2 (22.22%) Vue
2 2 (22.22%) Web Services
3 1 (11.11%) RESTful
Miscellaneous
1 1 (11.11%) Analytical Mindset
Processes & Methodologies
1 7 (77.78%) Agile
1 7 (77.78%) DevOps
2 6 (66.67%) API Development
2 6 (66.67%) Clean Code
2 6 (66.67%) Microservices
3 2 (22.22%) Design Patterns
3 2 (22.22%) Full-Stack Development
3 2 (22.22%) MVC
3 2 (22.22%) MVVM
3 2 (22.22%) OO
3 2 (22.22%) OOP
3 2 (22.22%) Responsive Web Design
3 2 (22.22%) Web Development
4 1 (11.11%) Front End Development
4 1 (11.11%) Kanban
4 1 (11.11%) Problem-Solving
4 1 (11.11%) Scrum
4 1 (11.11%) Stakeholder Management
Programming Languages
1 8 (88.89%) JavaScript
2 7 (77.78%) SQL
3 6 (66.67%) Java
4 3 (33.33%) C#
5 1 (11.11%) PowerShell
5 1 (11.11%) Python
Qualifications
1 8 (88.89%) Security Cleared
2 7 (77.78%) SC Cleared
3 6 (66.67%) AWS Certified Developer
Systems Management
1 6 (66.67%) Kubernetes