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 23 May 2024 with a comparison to the same period in the previous 2 years.

6 months to
23 May 2024
Same period 2023 Same period 2022
Rank 303 299 345
Rank change year-on-year -4 +46 -10
Contract jobs citing Clean Code 289 479 686
As % of all contract jobs advertised in the UK 0.68% 0.85% 0.78%
As % of the Processes & Methodologies category 0.79% 0.94% 0.86%
Number of daily rates quoted 208 353 521
10th Percentile £363 £431 £413
25th Percentile £450 £513 £500
Median daily rate (50th Percentile) £556 £580 £553
Median % change year-on-year -4.09% +4.98% +10.50%
75th Percentile £675 £675 £663
90th Percentile £688 £725 £713
UK excluding London median daily rate £513 £549 £500
% change year-on-year -6.65% +9.80% +6.10%
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 36,537 50,741 79,365
As % of all contract IT jobs advertised in the UK 85.91% 89.71% 90.64%
Number of daily rates quoted 23,555 35,132 55,704
10th Percentile £300 £325 £345
25th Percentile £413 £439 £431
Median daily rate (50th Percentile) £525 £550 £535
Median % change year-on-year -4.55% +2.80% +8.08%
75th Percentile £638 £650 £638
90th Percentile £750 £750 £738
UK excluding London median daily rate £500 £500 £483
% change year-on-year - +3.63% +9.66%
Number of hourly rates quoted 2,471 1,680 1,899
10th Percentile £12.75 £10.63 £12.50
25th Percentile £16.00 £15.74 £15.50
Median hourly rate £36.00 £36.00 £25.68
Median % change year-on-year - +40.19% +7.00%
75th Percentile £60.00 £65.00 £49.56
90th Percentile £72.50 £75.00 £65.00
UK excluding London median hourly rate £37.75 £35.00 £20.00
% change year-on-year +7.86% +75.00% -4.99%

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 23 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 23 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 -7 255 £600 +4.35% 211
London +5 188 £600 - 80
Work from Home +14 100 £525 -11.02% 120
UK excluding London +27 71 £513 -6.65% 137
South East +25 27 £675 +22.73% 29
North of England +22 12 £469 +4.17% 34
Scotland +38 9 £465 -15.45% 6
South West -20 9 £488 -11.96% 20
North West +24 8 £463 +8.82% 21
Midlands +36 7 £393 -21.50% 28
East of England +16 7 £500 -23.11% 17
West Midlands +20 5 £335 -16.25% 22
Yorkshire +10 3 £600 +24.68% 6
East Midlands +15 2 £675 +35.00% 6
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 (6.23%) CMS
2 7 (2.42%) 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
5 1 (0.35%) WordPress
Applications
1 5 (1.73%) 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 88 (30.45%) Azure
2 75 (25.95%) AWS
3 51 (17.65%) Azure DevOps
4 42 (14.53%) Azure Service Bus
5 40 (13.84%) GCP
6 35 (12.11%) Azure Cosmos DB
7 33 (11.42%) Azure Monitor
8 14 (4.84%) Serverless
9 12 (4.15%) Azure Pipelines
10 7 (2.42%) GitHub
11 6 (2.08%) Amazon S3
11 6 (2.08%) AWS Lambda
11 6 (2.08%) Azure App Service
11 6 (2.08%) SaaS
12 5 (1.73%) Amazon CloudWatch
12 5 (1.73%) Azure AKS
12 5 (1.73%) Azure Event Grid
13 4 (1.38%) Amazon EC2
13 4 (1.38%) Azure Data Factory
13 4 (1.38%) IaaS
Communications & Networking
1 37 (12.80%) HTTP
2 7 (2.42%) FTP
3 3 (1.04%) DHCP
3 3 (1.04%) DNS
3 3 (1.04%) TCP/IP
4 1 (0.35%) OpenLDAP
4 1 (0.35%) RS-485
Database & Business Intelligence
1 61 (21.11%) SQL Server
2 36 (12.46%) PostgreSQL
3 27 (9.34%) MongoDB
4 26 (9.00%) Apache Cassandra
5 20 (6.92%) Relational Database
6 18 (6.23%) NoSQL
7 16 (5.54%) MySQL
8 15 (5.19%) Oracle Database
9 13 (4.50%) Oracle Database 11g
10 5 (1.73%) Azure SQL Database
10 5 (1.73%) GIS
10 5 (1.73%) Spatial Data
11 4 (1.38%) Amazon RDS
11 4 (1.38%) Redis
12 2 (0.69%) Couchbase
12 2 (0.69%) Data Warehouse
12 2 (0.69%) DynamoDB
12 2 (0.69%) MariaDB
12 2 (0.69%) Oracle Reports
13 1 (0.35%) RDBMS
Development Applications
1 76 (26.30%) Git
2 14 (4.84%) Cypress.io
3 12 (4.15%) Jenkins
4 8 (2.77%) JIRA
5 7 (2.42%) GitLab
6 6 (2.08%) Selenium
6 6 (2.08%) webpack
7 5 (1.73%) Robot Framework
8 4 (1.38%) Babel
9 3 (1.04%) Visual Studio
10 1 (0.35%) Ant
10 1 (0.35%) Crashlytics
10 1 (0.35%) IntelliJ
10 1 (0.35%) JMeter
10 1 (0.35%) JUnit
10 1 (0.35%) NUnit
10 1 (0.35%) Oracle APEX
10 1 (0.35%) REST Assured
10 1 (0.35%) Subversion
10 1 (0.35%) Xcode
General
1 66 (22.84%) Social Skills
2 36 (12.46%) Analytical Skills
2 36 (12.46%) Finance
3 27 (9.34%) Back Office
4 25 (8.65%) Banking
4 25 (8.65%) Public Sector
5 11 (3.81%) Front Office
6 10 (3.46%) Marketing
7 8 (2.77%) Advertising
8 7 (2.42%) Investment Banking
9 6 (2.08%) Manufacturing
10 4 (1.38%) Tech for Good
10 4 (1.38%) Telecoms
11 3 (1.04%) Electronics
11 3 (1.04%) Local Government
12 2 (0.69%) Law
13 1 (0.35%) Automotive
13 1 (0.35%) Inclusion and Diversity
13 1 (0.35%) Organisational Skills
13 1 (0.35%) Presentation Skills
Job Titles
1 195 (67.47%) Developer
2 63 (21.80%) Senior
3 39 (13.49%) Senior Developer
4 33 (11.42%) Scala Developer
5 24 (8.30%) Lead
6 22 (7.61%) Front-End Developer (Client-Side Developer)
6 22 (7.61%) Software Engineer
7 21 (7.27%) Python Developer
7 21 (7.27%) React Developer
8 18 (6.23%) C# Developer
9 15 (5.19%) Java Developer
10 14 (4.84%) Azure Developer
10 14 (4.84%) Full Stack Developer
11 13 (4.50%) PostgreSQL Developer
11 13 (4.50%) Software Developer
12 11 (3.81%) .NET Developer
12 11 (3.81%) JavaScript Engineer
12 11 (3.81%) Technical Leader
13 9 (3.11%) Node.js Developer
13 9 (3.11%) Senior Front-End Developer
Libraries, Frameworks & Software Standards
1 72 (24.91%) .NET
2 68 (23.53%) React
3 60 (20.76%) CSS
4 58 (20.07%) HTML
5 57 (19.72%) RESTful
6 54 (18.69%) .NET Core
7 36 (12.46%) Node.js
8 35 (12.11%) Kafka
9 33 (11.42%) Akka
10 22 (7.61%) ASP.NET
11 20 (6.92%) Redux
12 18 (6.23%) AngularJS
12 18 (6.23%) jQuery
13 15 (5.19%) Spring
14 14 (4.84%) ASP.NET MVC
14 14 (4.84%) Express.js
14 14 (4.84%) REST
15 12 (4.15%) XML
16 11 (3.81%) Spring Boot
17 10 (3.46%) Pandas
Miscellaneous
1 20 (6.92%) Product Ownership
2 10 (3.46%) Algorithms
2 10 (3.46%) Cloud Native
2 10 (3.46%) Distributed Systems
3 8 (2.77%) Self-Motivation
4 6 (2.08%) Foreign Exchange (FX)
4 6 (2.08%) Mobile App
5 5 (1.73%) Data Protection Act
5 5 (1.73%) Fixed Income
5 5 (1.73%) Team-Oriented Environment
6 4 (1.38%) Data Structures
6 4 (1.38%) Derivative
6 4 (1.38%) 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%) Distributed Applications
8 2 (0.69%) Enterprise Software
8 2 (0.69%) Market Risk
Operating Systems
1 10 (3.46%) Android
2 9 (3.11%) Linux
3 8 (2.77%) Apple iOS
4 4 (1.38%) Windows
5 3 (1.04%) Embedded Linux
5 3 (1.04%) Unix
6 1 (0.35%) Red Hat Enterprise Linux
Processes & Methodologies
1 157 (54.33%) Agile
2 116 (40.14%) TDD
3 109 (37.72%) DevOps
4 64 (22.15%) Problem-Solving
5 63 (21.80%) Microservices
5 63 (21.80%) OO
6 61 (21.11%) Software Engineering
7 57 (19.72%) OOD
8 44 (15.22%) CI/CD
9 41 (14.19%) Front End Development
10 39 (13.49%) Pair Programming
11 38 (13.15%) API Management
12 37 (12.80%) Computer Science
13 35 (12.11%) Unit Testing
14 28 (9.69%) Design Patterns
14 28 (9.69%) Secure Coding
15 26 (9.00%) Code Quality
15 26 (9.00%) Machine Learning
15 26 (9.00%) User Experience
16 25 (8.65%) Full Stack Development
Programming Languages
1 88 (30.45%) JavaScript
2 82 (28.37%) C#
3 60 (20.76%) TypeScript
4 58 (20.07%) SQL
5 44 (15.22%) Bicep
5 44 (15.22%) Java
6 37 (12.80%) Python
7 36 (12.46%) Scala
8 24 (8.30%) Go
9 16 (5.54%) PL/SQL
10 15 (5.19%) C++
11 9 (3.11%) Bash
12 7 (2.42%) Kotlin
12 7 (2.42%) PHP
13 6 (2.08%) Objective-C
13 6 (2.08%) Swift
14 4 (1.38%) Perl
14 4 (1.38%) Shell Script
15 3 (1.04%) Rust
16 2 (0.69%) PowerShell
Qualifications
1 35 (12.11%) Degree
2 28 (9.69%) Computer Science Degree
3 26 (9.00%) Security Cleared
4 23 (7.96%) SC Cleared
5 9 (3.11%) Master's Degree
6 1 (0.35%) Azure Certification
6 1 (0.35%) BPSS Clearance
6 1 (0.35%) DV Cleared
Quality Assurance & Compliance
1 16 (5.54%) Accessibility
2 15 (5.19%) WCAG
3 8 (2.77%) QA
4 4 (1.38%) MiFID
System Software
1 37 (12.80%) Active Directory
2 17 (5.88%) Docker
3 4 (1.38%) zsh
4 1 (0.35%) VMware Infrastructure
Systems Management
1 37 (12.80%) Kubernetes
2 4 (1.38%) Terraform
3 1 (0.35%) Grafana
Vendors
1 34 (11.76%) Microsoft
2 23 (7.96%) Oracle
3 20 (6.92%) Typelevel
4 12 (4.15%) Google
5 7 (2.42%) SAP
6 5 (1.73%) Apple
6 5 (1.73%) ESRI
7 4 (1.38%) Virgin Media
8 3 (1.04%) Informatica
8 3 (1.04%) ServiceNow
9 2 (0.69%) NVIDIA
10 1 (0.35%) Brio
10 1 (0.35%) Dynatrace
10 1 (0.35%) Red Hat
10 1 (0.35%) Salesforce
10 1 (0.35%) VMware