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 28 April 2024 with a comparison to the same period in the previous 2 years.

6 months to
28 Apr 2024
Same period 2023 Same period 2022
Rank 467 502 433
Rank change year-on-year +35 -69 -24
Contract jobs citing SOLID 127 215 491
As % of all contract jobs advertised in the UK 0.29% 0.36% 0.55%
As % of the Processes & Methodologies category 0.34% 0.40% 0.61%
Number of daily rates quoted 102 152 367
10th Percentile £400 £413 £404
25th Percentile £459 £473 £451
Median daily rate (50th Percentile) £500 £550 £530
Median % change year-on-year -9.09% +3.77% +6.00%
75th Percentile £620 £675 £638
90th Percentile £688 £775 £700
UK excluding London median daily rate £500 £550 £525
% change year-on-year -9.09% +4.76% +23.53%
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% -9.08%
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 37,383 53,667 80,409
As % of all contract IT jobs advertised in the UK 86.31% 89.90% 90.57%
Number of daily rates quoted 24,097 37,244 56,431
10th Percentile £300 £325 £340
25th Percentile £413 £438 £425
Median daily rate (50th Percentile) £525 £550 £525
Median % change year-on-year -4.55% +4.76% +8.25%
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% +9.20%
Number of hourly rates quoted 2,426 1,746 1,925
10th Percentile £12.75 £11.00 £12.50
25th Percentile £16.00 £16.25 £15.25
Median hourly rate £35.00 £37.30 £25.00
Median % change year-on-year -6.17% +49.20% -
75th Percentile £59.44 £65.00 £49.25
90th Percentile £72.50 £75.00 £63.75
UK excluding London median hourly rate £36.05 £36.00 £20.00
% change year-on-year +0.13% +80.00% -8.51%

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 28 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 28 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 +50 113 £500 -9.09% 116
Work from Home +51 64 £478 -16.96% 78
London +82 60 £575 -2.13% 37
UK excluding London +26 51 £500 -9.09% 89
South East +19 23 £500 -16.67% 20
North of England +10 10 £475 -5.00% 31
North West +16 9 £475 - 23
South West +11 9 £450 -35.71% 5
Scotland +33 5 £480 -36.00% 5
West Midlands +28 2 £338 -34.15% 7
Midlands +17 2 £338 +3.85% 17
Wales +12 1 £583 +45.63% 6
Yorkshire +12 1 - - 5
East of England +9 1 £450 +5.88% 7

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 (7.09%) Confluence
2 4 (3.15%) CMS
3 3 (2.36%) Umbraco
4 2 (1.57%) Apache Solr
5 1 (0.79%) Apache Airflow
Business Applications
1 3 (2.36%) Dynamics CRM
Cloud Services
1 63 (49.61%) Azure
2 30 (23.62%) Azure DevOps
3 17 (13.39%) Azure Logic Apps
4 14 (11.02%) AWS
4 14 (11.02%) Serverless
5 13 (10.24%) Azure Service Bus
6 12 (9.45%) Azure Functions
7 11 (8.66%) Azure API Management
7 11 (8.66%) Azure Data Factory
7 11 (8.66%) PaaS
8 7 (5.51%) Azure Monitor
8 7 (5.51%) NuGet
9 6 (4.72%) Azure Key Vault
10 5 (3.94%) npm
11 4 (3.15%) SaaS
11 4 (3.15%) Yarn
12 3 (2.36%) Azure Machine Learning
12 3 (2.36%) Figma
12 3 (2.36%) GitHub
13 2 (1.57%) OpenShift
Communications & Networking
1 2 (1.57%) TCP/IP
2 1 (0.79%) Internet
2 1 (0.79%) NFC
2 1 (0.79%) PPP
Database & Business Intelligence
1 31 (24.41%) NoSQL
2 22 (17.32%) SQL Server
3 17 (13.39%) Relational Database
4 13 (10.24%) Azure SQL Database
5 9 (7.09%) PostgreSQL
6 7 (5.51%) MongoDB
7 6 (4.72%) Redis
8 4 (3.15%) DynamoDB
8 4 (3.15%) MySQL
8 4 (3.15%) SQL Server Integration Services
9 3 (2.36%) CockroachDB
9 3 (2.36%) Couchbase
10 2 (1.57%) Data Lake
10 2 (1.57%) DB2
10 2 (1.57%) RavenDB
11 1 (0.79%) Amazon Aurora
11 1 (0.79%) Data Warehouse
11 1 (0.79%) MariaDB
11 1 (0.79%) SQL Server Reporting Services
11 1 (0.79%) SQLite
Development Applications
1 28 (22.05%) Git
2 15 (11.81%) Jenkins
3 11 (8.66%) JIRA
4 9 (7.09%) Visual Studio
5 8 (6.30%) JUnit
6 6 (4.72%) Jasmine
6 6 (4.72%) TeamCity
6 6 (4.72%) webpack
7 4 (3.15%) CircleCI
7 4 (3.15%) GitLab
7 4 (3.15%) Karma Test Runner
7 4 (3.15%) Mocha
7 4 (3.15%) Postman
8 3 (2.36%) Gradle
8 3 (2.36%) NUnit
8 3 (2.36%) SonarQube
9 2 (1.57%) Cucumber
9 2 (1.57%) Moq
9 2 (1.57%) Selenium
9 2 (1.57%) Visual Studio Code
General
1 26 (20.47%) Finance
2 14 (11.02%) Social Skills
3 13 (10.24%) Public Sector
4 9 (7.09%) Law
5 6 (4.72%) Analytical Skills
6 5 (3.94%) Front Office
7 4 (3.15%) Banking
7 4 (3.15%) Inclusion and Diversity
7 4 (3.15%) Presentation Skills
7 4 (3.15%) Tech for Good
8 2 (1.57%) Electronics
8 2 (1.57%) Manufacturing
8 2 (1.57%) Marketing
8 2 (1.57%) Organisational Skills
8 2 (1.57%) Telecoms
Job Titles
1 87 (68.50%) Developer
2 18 (14.17%) .NET Developer
2 18 (14.17%) C# Developer
3 15 (11.81%) Full Stack Developer
3 15 (11.81%) Senior
4 14 (11.02%) Azure Developer
4 14 (11.02%) Java Developer
4 14 (11.02%) Software Engineer
5 11 (8.66%) Architect
5 11 (8.66%) Senior Developer
5 11 (8.66%) Software Developer
6 10 (7.87%) Lead
7 6 (4.72%) Android Developer
7 6 (4.72%) C# .NET Developer
7 6 (4.72%) Lead Developer
7 6 (4.72%) Python Developer
7 6 (4.72%) Technical Architect
8 5 (3.94%) Integration Engineer
8 5 (3.94%) Mobile Developer
8 5 (3.94%) SQL Developer
Libraries, Frameworks & Software Standards
1 79 (62.20%) .NET
2 42 (33.07%) REST
3 27 (21.26%) HTML
4 26 (20.47%) CSS
5 25 (19.69%) .NET Core
5 25 (19.69%) ASP.NET
5 25 (19.69%) React
6 24 (18.90%) Web Services
7 21 (16.54%) Vue
8 19 (14.96%) AngularJS
9 18 (14.17%) Node.js
10 17 (13.39%) Spring
11 16 (12.60%) Kafka
12 15 (11.81%) Spring Boot
13 14 (11.02%) .NET Framework
13 14 (11.02%) ASP.NET Core
13 14 (11.02%) SOAP
14 11 (8.66%) RESTful
15 10 (7.87%) XML
16 9 (7.09%) JSON
Miscellaneous
1 13 (10.24%) Product Ownership
2 11 (8.66%) Distributed Systems
3 8 (6.30%) Cloud Native
4 5 (3.94%) Greenfield Project
5 4 (3.15%) Algorithms
5 4 (3.15%) Data Structures
5 4 (3.15%) Enterprise Software
6 3 (2.36%) Wiki
7 2 (1.57%) Hedge funds
7 2 (1.57%) IoT
7 2 (1.57%) Legacy Systems
7 2 (1.57%) Mobile App
7 2 (1.57%) Public Cloud
8 1 (0.79%) Blockchain
8 1 (0.79%) Data Protection Act
8 1 (0.79%) Embedded Systems
8 1 (0.79%) Reference Data
8 1 (0.79%) Self-Motivation
8 1 (0.79%) Smartcard
8 1 (0.79%) W3C
Operating Systems
1 9 (7.09%) Android
2 5 (3.94%) Apple iOS
2 5 (3.94%) Linux
2 5 (3.94%) Windows
3 4 (3.15%) Embedded Linux
4 2 (1.57%) Unix
5 1 (0.79%) Ubuntu
Processes & Methodologies
1 54 (42.52%) OO
2 52 (40.94%) TDD
3 50 (39.37%) Agile
4 46 (36.22%) Design Patterns
5 39 (30.71%) DevOps
6 38 (29.92%) Microservices
7 35 (27.56%) CI/CD
8 32 (25.20%) Software Engineering
9 29 (22.83%) OOP
10 28 (22.05%) Scrum
10 28 (22.05%) Unit Testing
11 27 (21.26%) MVC
12 26 (20.47%) Clean Code
12 26 (20.47%) Full Stack Development
13 22 (17.32%) Web Development
14 21 (16.54%) Problem-Solving
15 19 (14.96%) MVVM
16 18 (14.17%) Test Automation
17 14 (11.02%) Continuous Integration
18 13 (10.24%) Mentoring
Programming Languages
1 85 (66.93%) C#
2 47 (37.01%) SQL
3 46 (36.22%) JavaScript
4 27 (21.26%) Java
5 20 (15.75%) Python
6 14 (11.02%) PowerShell
7 12 (9.45%) TypeScript
8 7 (5.51%) Bicep
9 6 (4.72%) Bash
9 6 (4.72%) PHP
10 4 (3.15%) C++
10 4 (3.15%) Kotlin
10 4 (3.15%) Perl
11 3 (2.36%) Shell Script
12 2 (1.57%) C
12 2 (1.57%) T-SQL
13 1 (0.79%) F#
13 1 (0.79%) Objective-C
13 1 (0.79%) PL/SQL
13 1 (0.79%) Scala
Qualifications
1 11 (8.66%) Degree
2 10 (7.87%) Security Cleared
3 8 (6.30%) Computer Science Degree
3 8 (6.30%) SC Cleared
4 5 (3.94%) BPSS Clearance
5 4 (3.15%) Master's Degree
6 1 (0.79%) Azure Certification
6 1 (0.79%) Microsoft Certification
Quality Assurance & Compliance
1 6 (4.72%) QA
2 5 (3.94%) Accessibility
2 5 (3.94%) Data Quality
2 5 (3.94%) WCAG
System Software
1 13 (10.24%) Docker
Systems Management
1 15 (11.81%) Terraform
2 11 (8.66%) Kubernetes
3 3 (2.36%) Grafana
4 2 (1.57%) Istio
5 1 (0.79%) Prometheus
Vendors
1 17 (13.39%) Microsoft
2 6 (4.72%) Oracle
3 3 (2.36%) Salesforce
4 2 (1.57%) Atmel
4 2 (1.57%) Greenplum
4 2 (1.57%) SAP
4 2 (1.57%) Xamarin
5 1 (0.79%) Adobe
5 1 (0.79%) Atlassian
5 1 (0.79%) Google
5 1 (0.79%) ServiceNow
5 1 (0.79%) TIBCO