SOLID Contracts in Central London

SOLID Principles
London > Central London

The table below provides summary statistics for contract job vacancies advertised in Central London 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 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 93 126 161
Rank change year-on-year +33 +35 +8
Contract jobs citing SOLID 36 7 11
As % of all contract jobs advertised in Central London 1.80% 0.29% 0.29%
As % of the Processes & Methodologies category 1.94% 0.32% 0.31%
Number of daily rates quoted 25 5 8
10th Percentile - £455 £505
25th Percentile - £481 £516
Median daily rate (50th Percentile) £585 £483 £530
Median % change year-on-year +21.24% -8.96% +0.95%
75th Percentile £688 £650 £753
90th Percentile £700 £673 £851
London median daily rate £600 £575 £588
% change year-on-year +4.35% -2.13% -2.08%

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 1,856 2,215 3,533
As % of all contract IT jobs advertised in Central London 92.94% 90.56% 91.65%
Number of daily rates quoted 1,197 1,573 2,397
10th Percentile £363 £350 £325
25th Percentile £456 £450 £463
Median daily rate (50th Percentile) £565 £550 £600
Median % change year-on-year +2.73% -8.33% +5.26%
75th Percentile £675 £688 £725
90th Percentile £774 £800 £825
London median daily rate £550 £550 £590
% change year-on-year - -6.78% +2.61%
Number of hourly rates quoted 24 25 28
10th Percentile £22.00 £20.04 £15.43
25th Percentile £22.75 £22.50 £18.50
Median hourly rate £29.07 £27.81 £35.00
Median % change year-on-year +4.53% -20.54% -14.63%
75th Percentile £43.97 £33.00 £58.75
90th Percentile £50.75 £46.89 £88.30
London median hourly rate £31.67 £29.50 £38.13
% change year-on-year +7.36% -22.62% +5.90%

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
Contractor Daily Rate Trend in Central London

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

Daily rate trend for SOLID in Central London

SOLID
Daily Rate Histogram in Central London

Daily rate distribution for jobs citing SOLID in Central London over the 6 months to 1 May 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 1 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
City of London +35 34 £585 +21.24% 3
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:

Application Platforms
1 2 (5.56%) Confluence
2 1 (2.78%) Anypoint
Business Applications
1 2 (5.56%) Aladdin
Cloud Services
1 27 (75.00%) AWS
2 8 (22.22%) Azure
3 6 (16.67%) Amazon EC2
3 6 (16.67%) Amazon EKS
3 6 (16.67%) Amazon ElastiCache
3 6 (16.67%) Amazon S3
3 6 (16.67%) CloudFront
3 6 (16.67%) Route 53
4 3 (8.33%) Azure DevOps
5 2 (5.56%) OpenShift
6 1 (2.78%) Amazon CloudWatch
Communications & Networking
1 1 (2.78%) Firewall
1 1 (2.78%) HTTP
1 1 (2.78%) VPN
Database & Business Intelligence
1 23 (63.89%) NoSQL
2 20 (55.56%) PostgreSQL
3 16 (44.44%) MongoDB
4 12 (33.33%) SQL Server
5 6 (16.67%) Amazon Aurora
5 6 (16.67%) DocumentDB
5 6 (16.67%) Redis
6 2 (5.56%) CockroachDB
6 2 (5.56%) Relational Database
Development Applications
1 5 (13.89%) Git
2 4 (11.11%) Jenkins
3 2 (5.56%) TeamCity
4 1 (2.78%) Bitbucket
4 1 (2.78%) Cucumber
4 1 (2.78%) Cypress.io
4 1 (2.78%) Gatling
4 1 (2.78%) GitLab
4 1 (2.78%) Hamcrest
4 1 (2.78%) JIRA
4 1 (2.78%) JUnit
4 1 (2.78%) Maven
4 1 (2.78%) Postman
4 1 (2.78%) Selenium
4 1 (2.78%) Serenity BDD
4 1 (2.78%) SonarQube
General
1 17 (47.22%) Public Sector
2 10 (27.78%) Finance
3 6 (16.67%) Banking
3 6 (16.67%) Retail Banking
4 2 (5.56%) Inclusion and Diversity
4 2 (5.56%) Social Skills
5 1 (2.78%) Investment Banking
Job Titles
1 32 (88.89%) Developer
2 16 (44.44%) Java Developer
2 16 (44.44%) SC Cleared Java Developer
3 6 (16.67%) C# Developer
4 5 (13.89%) Full-Stack Developer
5 4 (11.11%) Python Developer
6 2 (5.56%) Django Developer
6 2 (5.56%) Python/Django Developer
6 2 (5.56%) Senior
7 1 (2.78%) Automation Tester
7 1 (2.78%) Azure Developer
7 1 (2.78%) C# Developer - Investment Banking
7 1 (2.78%) Lead
7 1 (2.78%) Lead Developer
7 1 (2.78%) Lead Full-Stack Developer
7 1 (2.78%) MuleSoft Developer
7 1 (2.78%) Tester
Libraries, Frameworks & Software Standards
1 22 (61.11%) React
2 17 (47.22%) Kafka
3 16 (44.44%) Spring
3 16 (44.44%) Spring Boot
4 10 (27.78%) GraphQL
4 10 (27.78%) RESTful
5 8 (22.22%) .NET
6 5 (13.89%) CSS
6 5 (13.89%) HTML
6 5 (13.89%) Web Services
7 4 (11.11%) REST
8 2 (5.56%) .NET Core
8 2 (5.56%) .NET Framework
8 2 (5.56%) AngularJS
8 2 (5.56%) Django
8 2 (5.56%) Entity Framework
8 2 (5.56%) LINQ
9 1 (2.78%) ASP.NET
9 1 (2.78%) JSON
9 1 (2.78%) XML
Miscellaneous
1 6 (16.67%) Derivative
1 6 (16.67%) Legacy Systems
1 6 (16.67%) Public Cloud
2 2 (5.56%) Fixed Income
2 2 (5.56%) Product Ownership
3 1 (2.78%) Linux Command Line
3 1 (2.78%) Management Information System
3 1 (2.78%) Sports Betting
Operating Systems
1 1 (2.78%) Linux
1 1 (2.78%) Windows
Processes & Methodologies
1 25 (69.44%) Agile
2 24 (66.67%) DevOps
3 22 (61.11%) Microservices
4 21 (58.33%) Clean Code
5 17 (47.22%) API Development
6 13 (36.11%) TDD
7 11 (30.56%) CI/CD
8 8 (22.22%) Problem-Solving
9 6 (16.67%) Asset Management
9 6 (16.67%) Secure Coding
9 6 (16.67%) Unit Testing
10 5 (13.89%) Continuous Integration
10 5 (13.89%) Full-Stack Development
10 5 (13.89%) Test Automation
11 4 (11.11%) Code Quality
11 4 (11.11%) Domain-Driven Design
12 3 (8.33%) Analytics
12 3 (8.33%) API Design
12 3 (8.33%) Software Engineering
13 2 (5.56%) User Stories
Programming Languages
1 21 (58.33%) JavaScript
2 19 (52.78%) SQL
3 17 (47.22%) Java
4 12 (33.33%) C#
5 4 (11.11%) Python
Qualifications
1 22 (61.11%) SC Cleared
1 22 (61.11%) Security Cleared
2 16 (44.44%) AWS Certified Developer
3 1 (2.78%) Degree
Quality Assurance & Compliance
1 3 (8.33%) QA
System Software
1 1 (2.78%) Docker
Systems Management
1 18 (50.00%) Kubernetes
2 1 (2.78%) CloudHub
Vendors
1 2 (5.56%) Murex
1 2 (5.56%) Oracle
2 1 (2.78%) MuleSoft
2 1 (2.78%) Salesforce
2 1 (2.78%) Splunk