SOLID Contract Job Trends in Central London

SOLID Principles
London > Central London

The table below provides summary statistics and contractor rates for jobs advertised in Central 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 117 122 153
Rank change year-on-year +5 +31 +22
Contract jobs citing SOLID 9 7 12
As % of all contract jobs advertised in Central London 0.47% 0.30% 0.36%
As % of the Processes & Methodologies category 0.50% 0.33% 0.40%
Number of daily rates quoted 7 5 10
10th Percentile £436 £539 £496
25th Percentile £524 £559 £509
Median daily rate (50th Percentile) £585 £650 £601
Median % change year-on-year -10.00% +8.24% +26.42%
75th Percentile - £700 £825
90th Percentile £600 £708 £834
London median daily rate £550 £559 £575
% change year-on-year -1.57% -2.83% -

All Process and Methodology Skills
Central 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 Central London.

Contract vacancies with a requirement for process or methodology skills 1,811 2,116 2,977
As % of all contract IT jobs advertised in Central London 93.83% 92.12% 90.08%
Number of daily rates quoted 1,210 1,376 2,067
10th Percentile £316 £375 £358
25th Percentile £413 £475 £470
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% +4.35%
75th Percentile £675 £688 £700
90th Percentile £773 £788 £816
London median daily rate £538 £550 £575
% change year-on-year -2.27% -4.35% -0.86%
Number of hourly rates quoted 32 26 16
10th Percentile £18.96 £17.25 £14.25
25th Percentile £23.50 £22.28 £16.02
Median hourly rate £31.25 £35.00 £26.75
Median % change year-on-year -10.71% +30.84% -37.06%
75th Percentile £50.75 £41.75 £44.87
90th Percentile £63.75 £115.00 £60.88
London median hourly rate £31.75 £35.00 £39.92
% change year-on-year -9.29% -12.31% +7.88%

SOLID
Job Vacancy Trend in Central London

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

Job vacancy trend for SOLID in Central London

SOLID
Daily Rate Trend in Central London

Contractor daily rate distribution trend for jobs in Central London citing SOLID.

Contractor daily rate distribution trend for jobs in Central London citing SOLID

SOLID
Daily Rate Histogram in Central London

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

Daily rate histogram for SOLID in Central London

SOLID
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing SOLID within the Central London region over the 6 months to 15 September 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
City of London +15 9 £585 -3.90% 1
SOLID
London

SOLID
Co-occurring Skills and Capabilities in Central 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