Clean Code Contracts

Clean Code
UK

The following table provides summary statistics for contract job vacancies with a requirement for Clean Code skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clean Code over the 6 months to 20 May 2024 with a comparison to the same period in the previous 2 years.

6 months to
20 May 2024
Same period 2023 Same period 2022
Rank 309 301 343
Rank change year-on-year -8 +42 -20
Contract jobs citing Clean Code 288 480 701
As % of all contract jobs advertised in the UK 0.68% 0.84% 0.79%
As % of the Processes & Methodologies category 0.79% 0.93% 0.88%
Number of daily rates quoted 208 354 532
10th Percentile £367 £431 £409
25th Percentile £450 £513 £498
Median daily rate (50th Percentile) £568 £581 £551
Median % change year-on-year -2.24% +5.31% +10.25%
75th Percentile £675 £675 £663
90th Percentile £688 £725 £713
UK excluding London median daily rate £500 £549 £500
% change year-on-year -8.93% +9.80% +5.26%
Number of hourly rates quoted 3 3 2
10th Percentile - £62.00 £73.80
25th Percentile £67.50 £65.00 £74.25
Median hourly rate £70.00 £70.00 £77.50
Median % change year-on-year - -9.68% +22.05%
75th Percentile £77.50 £80.00 £80.25
90th Percentile £80.50 £86.00 £80.40
UK excluding London median hourly rate £70.00 - -

All Process and Methodology Skills
UK

Clean Code 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 36,622 51,397 80,021
As % of all contract IT jobs advertised in the UK 86.09% 89.76% 90.61%
Number of daily rates quoted 23,613 35,611 56,174
10th Percentile £300 £325 £344
25th Percentile £413 £439 £430
Median daily rate (50th Percentile) £525 £550 £530
Median % change year-on-year -4.55% +3.77% +7.07%
75th Percentile £638 £650 £638
90th Percentile £750 £750 £738
UK excluding London median daily rate £500 £500 £480
% change year-on-year - +4.17% +9.09%
Number of hourly rates quoted 2,439 1,690 1,913
10th Percentile £12.75 £10.63 £12.50
25th Percentile £16.00 £15.77 £15.50
Median hourly rate £36.50 £36.00 £25.68
Median % change year-on-year +1.39% +40.19% +7.00%
75th Percentile £60.00 £65.00 £49.50
90th Percentile £72.50 £75.00 £65.00
UK excluding London median hourly rate £38.00 £35.00 £20.00
% change year-on-year +8.57% +75.00% -6.54%

Clean Code
Job Vacancy Trend

Job postings citing Clean Code as a proportion of all IT jobs advertised.

Job vacancy trend for Clean Code in the UK

Clean Code
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing Clean Code.

Daily rate trend for Clean Code in the UK

Clean Code
Daily Rate Histogram

Daily rate distribution for jobs citing Clean Code over the 6 months to 20 May 2024.

Daily rate histogram for Clean Code in the UK

Clean Code
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing Clean Code.

Hourly rate trend for Clean Code in the UK

Clean Code
Top 15 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Clean Code within the UK over the 6 months to 20 May 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 +11 255 £600 +4.35% 286
London +11 187 £600 - 118
Work from Home 0 100 £525 -11.02% 149
UK excluding London +27 71 £500 -8.93% 200
South East +28 26 £675 +22.73% 58
North of England +25 12 £469 +7.14% 45
South West -23 10 £450 -18.74% 23
Scotland +40 9 £465 -25.60% 8
North West +17 8 £463 +8.82% 27
Midlands +20 7 £393 -21.50% 36
East of England +15 7 £500 -23.11% 24
West Midlands +24 5 £335 -16.25% 27
Yorkshire +12 3 £600 +33.33% 10
East Midlands +16 2 £675 +35.00% 9
North East - 1 £375 - 9

Clean Code
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 18 (6.25%) CMS
2 7 (2.43%) Apache
3 3 (1.04%) Umbraco
4 2 (0.69%) Apache Solr
4 2 (0.69%) ArcGIS
5 1 (0.35%) Apache Spark
5 1 (0.35%) Tomcat
Applications
1 4 (1.39%) CPLEX
2 1 (0.35%) Microsoft Office
Business Applications
1 1 (0.35%) NetSuite
1 1 (0.35%) Oracle Procure-to-Pay
Cloud Services
1 86 (29.86%) Azure
2 75 (26.04%) AWS
3 51 (17.71%) Azure DevOps
4 41 (14.24%) Azure Service Bus
5 39 (13.54%) GCP
6 35 (12.15%) Azure Cosmos DB
7 33 (11.46%) Azure Monitor
8 14 (4.86%) Serverless
9 12 (4.17%) Azure Pipelines
10 7 (2.43%) GitHub
11 6 (2.08%) Amazon S3
11 6 (2.08%) AWS Lambda
11 6 (2.08%) SaaS
12 5 (1.74%) Amazon CloudWatch
12 5 (1.74%) Azure App Service
13 4 (1.39%) Amazon EC2
13 4 (1.39%) Azure AKS
13 4 (1.39%) Azure Event Grid
13 4 (1.39%) IaaS
14 3 (1.04%) SAP Commerce Cloud
Communications & Networking
1 37 (12.85%) HTTP
2 7 (2.43%) FTP
3 3 (1.04%) DHCP
3 3 (1.04%) DNS
3 3 (1.04%) TCP/IP
4 1 (0.35%) OpenLDAP
Database & Business Intelligence
1 60 (20.83%) SQL Server
2 36 (12.50%) PostgreSQL
3 27 (9.38%) MongoDB
4 26 (9.03%) Apache Cassandra
5 20 (6.94%) Relational Database
6 17 (5.90%) NoSQL
7 16 (5.56%) MySQL
8 15 (5.21%) Oracle Database
9 13 (4.51%) Oracle Database 11g
10 5 (1.74%) GIS
10 5 (1.74%) Spatial Data
11 4 (1.39%) Amazon RDS
11 4 (1.39%) Redis
12 3 (1.04%) Azure SQL Database
13 2 (0.69%) Couchbase
13 2 (0.69%) Data Warehouse
13 2 (0.69%) DynamoDB
13 2 (0.69%) MariaDB
13 2 (0.69%) Oracle Reports
14 1 (0.35%) RDBMS
Development Applications
1 75 (26.04%) Git
2 15 (5.21%) Cypress.io
3 11 (3.82%) Jenkins
4 7 (2.43%) JIRA
5 6 (2.08%) GitLab
5 6 (2.08%) webpack
6 5 (1.74%) Selenium
7 4 (1.39%) Babel
7 4 (1.39%) Robot Framework
8 3 (1.04%) Visual Studio
9 1 (0.35%) Ant
9 1 (0.35%) IntelliJ
9 1 (0.35%) JMeter
9 1 (0.35%) JUnit
9 1 (0.35%) Mercurial
9 1 (0.35%) NUnit
9 1 (0.35%) Oracle APEX
9 1 (0.35%) Subversion
9 1 (0.35%) TeamCity
9 1 (0.35%) Xcode
General
1 64 (22.22%) Social Skills
2 37 (12.85%) Finance
3 34 (11.81%) Analytical Skills
4 27 (9.38%) Back Office
5 26 (9.03%) Public Sector
6 24 (8.33%) Banking
7 11 (3.82%) Front Office
8 10 (3.47%) Marketing
9 9 (3.13%) Advertising
10 7 (2.43%) Investment Banking
11 6 (2.08%) Manufacturing
12 4 (1.39%) Tech for Good
12 4 (1.39%) Telecoms
13 3 (1.04%) Electronics
13 3 (1.04%) Law
13 3 (1.04%) Local Government
14 2 (0.69%) Inclusion and Diversity
15 1 (0.35%) Health Technology
15 1 (0.35%) Organisational Skills
15 1 (0.35%) Presentation Skills
Job Titles
1 192 (66.67%) Developer
2 65 (22.57%) Senior
3 40 (13.89%) Senior Developer
4 33 (11.46%) Scala Developer
5 24 (8.33%) Lead
6 22 (7.64%) Front-End Developer (Client-Side Developer)
6 22 (7.64%) Software Engineer
7 20 (6.94%) Python Developer
7 20 (6.94%) React Developer
8 19 (6.60%) C# Developer
9 15 (5.21%) Java Developer
10 14 (4.86%) Azure Developer
10 14 (4.86%) Full Stack Developer
11 13 (4.51%) PostgreSQL Developer
11 13 (4.51%) Software Developer
12 12 (4.17%) JavaScript Engineer
13 11 (3.82%) .NET Developer
13 11 (3.82%) Technical Leader
14 9 (3.13%) Senior Front-End Developer
14 9 (3.13%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 73 (25.35%) .NET
2 68 (23.61%) React
3 59 (20.49%) CSS
4 57 (19.79%) HTML
5 56 (19.44%) .NET Core
5 56 (19.44%) RESTful
6 37 (12.85%) Node.js
7 34 (11.81%) Kafka
8 33 (11.46%) Akka
9 22 (7.64%) ASP.NET
10 21 (7.29%) Redux
11 18 (6.25%) jQuery
12 17 (5.90%) AngularJS
13 15 (5.21%) Express.js
14 14 (4.86%) ASP.NET MVC
14 14 (4.86%) REST
14 14 (4.86%) Spring
15 12 (4.17%) XML
16 11 (3.82%) Jest
17 10 (3.47%) Spring Boot
Miscellaneous
1 19 (6.60%) Product Ownership
2 10 (3.47%) Algorithms
2 10 (3.47%) Cloud Native
2 10 (3.47%) Distributed Systems
3 7 (2.43%) Self-Motivation
4 6 (2.08%) Foreign Exchange (FX)
4 6 (2.08%) Mobile App
5 5 (1.74%) Data Protection Act
5 5 (1.74%) Fixed Income
5 5 (1.74%) Team-Oriented Environment
6 4 (1.39%) Data Structures
6 4 (1.39%) Derivative
6 4 (1.39%) Equity Derivative
7 3 (1.04%) Blockchain
7 3 (1.04%) Contactless
7 3 (1.04%) Greenfield Project
7 3 (1.04%) Management Information System
8 2 (0.69%) Enterprise Software
8 2 (0.69%) Market Risk
8 2 (0.69%) Web 2.0
Operating Systems
1 10 (3.47%) Android
2 8 (2.78%) Apple iOS
2 8 (2.78%) Linux
3 4 (1.39%) Windows
4 3 (1.04%) Embedded Linux
5 1 (0.35%) Red Hat Enterprise Linux
5 1 (0.35%) Unix
Processes & Methodologies
1 157 (54.51%) Agile
2 117 (40.63%) TDD
3 107 (37.15%) DevOps
4 62 (21.53%) OO
5 61 (21.18%) Microservices
6 60 (20.83%) Problem-Solving
6 60 (20.83%) Software Engineering
7 56 (19.44%) OOD
8 43 (14.93%) CI/CD
9 41 (14.24%) Front End Development
10 40 (13.89%) Pair Programming
11 38 (13.19%) API Management
12 34 (11.81%) Unit Testing
13 32 (11.11%) Computer Science
14 28 (9.72%) Secure Coding
15 27 (9.38%) Design Patterns
16 26 (9.03%) Code Quality
16 26 (9.03%) Full Stack Development
16 26 (9.03%) Machine Learning
17 25 (8.68%) User Experience
Programming Languages
1 88 (30.56%) JavaScript
2 83 (28.82%) C#
3 62 (21.53%) TypeScript
4 58 (20.14%) SQL
5 44 (15.28%) Bicep
6 43 (14.93%) Java
7 36 (12.50%) Python
7 36 (12.50%) Scala
8 25 (8.68%) Go
9 16 (5.56%) PL/SQL
10 14 (4.86%) C++
11 9 (3.13%) Bash
12 7 (2.43%) Kotlin
12 7 (2.43%) PHP
13 6 (2.08%) Objective-C
13 6 (2.08%) Swift
14 4 (1.39%) Perl
15 3 (1.04%) Rust
16 2 (0.69%) C
16 2 (0.69%) Shell Script
Qualifications
1 30 (10.42%) Degree
2 26 (9.03%) Computer Science Degree
2 26 (9.03%) Security Cleared
3 23 (7.99%) SC Cleared
4 6 (2.08%) Master's Degree
5 1 (0.35%) Azure Certification
5 1 (0.35%) BPSS Clearance
5 1 (0.35%) DV Cleared
Quality Assurance & Compliance
1 16 (5.56%) Accessibility
2 15 (5.21%) WCAG
3 8 (2.78%) QA
4 4 (1.39%) MiFID
System Software
1 37 (12.85%) Active Directory
2 18 (6.25%) Docker
3 4 (1.39%) zsh
4 1 (0.35%) VMware Infrastructure
Systems Management
1 36 (12.50%) Kubernetes
2 5 (1.74%) Terraform
3 1 (0.35%) Grafana
Vendors
1 33 (11.46%) Microsoft
2 23 (7.99%) Oracle
3 20 (6.94%) Typelevel
4 10 (3.47%) Google
5 7 (2.43%) SAP
6 5 (1.74%) Apple
6 5 (1.74%) ESRI
7 4 (1.39%) Virgin Media
8 3 (1.04%) ServiceNow
9 2 (0.69%) NVIDIA
10 1 (0.35%) Brio
10 1 (0.35%) Dynatrace
10 1 (0.35%) Informatica
10 1 (0.35%) Red Hat
10 1 (0.35%) Salesforce
10 1 (0.35%) VMware