Clean Code Contracts

Clean Code
UK

The table below provides summary statistics for contract job vacancies requiring Clean Code skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited Clean Code over the 6 months leading up to 30 April 2025, comparing them to the same period in the previous two years.

6 months to
30 Apr 2025
Same period 2024 Same period 2023
Rank 287 324 305
Rank change year-on-year +37 -19 +26
Contract jobs citing Clean Code 256 294 507
As % of all contract jobs advertised in the UK 0.88% 0.67% 0.85%
As % of the Processes & Methodologies category 0.96% 0.78% 0.94%
Number of daily rates quoted 173 219 368
10th Percentile £357 £405 £425
25th Percentile £425 £459 £513
Median daily rate (50th Percentile) £530 £575 £575
Median % change year-on-year -7.83% - +4.55%
75th Percentile £630 £675 £675
90th Percentile £750 £688 £725
UK excluding London median daily rate £488 £524 £549
% change year-on-year -6.92% -4.60% +9.80%
Number of hourly rates quoted 0 3 3
10th Percentile - - £62.00
25th Percentile - £67.50 £65.00
Median hourly rate - £70.00 £70.00
75th Percentile - £77.50 £80.00
90th Percentile - £80.50 £86.00
UK excluding London median hourly rate - £70.00 -

All Process and Methodology Skills
UK

Clean Code 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.

Contract vacancies with a requirement for process or methodology skills 26,551 37,621 53,662
As % of all contract IT jobs advertised in the UK 90.82% 86.30% 89.91%
Number of daily rates quoted 17,137 24,254 37,244
10th Percentile £308 £300 £325
25th Percentile £413 £413 £438
Median daily rate (50th Percentile) £521 £525 £550
Median % change year-on-year -0.86% -4.55% +4.76%
75th Percentile £630 £638 £650
90th Percentile £744 £750 £750
UK excluding London median daily rate £481 £500 £500
% change year-on-year -3.80% - +5.26%
Number of hourly rates quoted 1,071 2,437 1,746
10th Percentile £14.70 £12.75 £11.00
25th Percentile £18.50 £16.00 £16.25
Median hourly rate £29.00 £35.50 £37.30
Median % change year-on-year -18.31% -4.83% +49.20%
75th Percentile £62.00 £59.95 £65.00
90th Percentile £75.00 £72.50 £75.00
UK excluding London median hourly rate £27.94 £36.50 £36.00
% change year-on-year -23.45% +1.39% +80.00%

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 30 April 2025.

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 14 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 30 April 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
England -5 192 £550 -8.33% 551
London +3 146 £585 -2.50% 241
Work from Home +24 75 £475 -10.59% 423
UK excluding London +33 57 £488 -6.92% 340
South East +30 20 £500 -20.00% 56
North of England +29 15 £500 +2.56% 122
Northern Ireland - 12 £325 - 10
North West +13 11 £502 +5.58% 92
Scotland +8 5 £469 -2.34% 16
Yorkshire +15 4 £463 -22.92% 24
Midlands +19 3 £475 +21.02% 61
South West +37 2 - - 39
West Midlands +12 2 £475 +41.79% 37
East Midlands +9 1 - - 23

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 4 (1.56%) CMS
2 2 (0.78%) Confluence
2 2 (0.78%) Umbraco
3 1 (0.39%) Anypoint
3 1 (0.39%) Apache
3 1 (0.39%) Apache Spark
3 1 (0.39%) Headless CMS
3 1 (0.39%) WebLogic
Business Applications
1 1 (0.39%) BusinessWorks
1 1 (0.39%) Dynamics CRM
1 1 (0.39%) Fidessa
1 1 (0.39%) Oracle TCA
1 1 (0.39%) Payment Gateway
Cloud Services
1 100 (39.06%) AWS
2 53 (20.70%) Azure
3 24 (9.38%) Serverless
4 19 (7.42%) AWS Lambda
4 19 (7.42%) Azure DevOps
5 14 (5.47%) GitHub
6 13 (5.08%) Amazon S3
7 11 (4.30%) GCP
8 10 (3.91%) Amazon ECS
9 9 (3.52%) AWS CloudFormation
9 9 (3.52%) OpenShift
10 8 (3.13%) Amazon SQS
11 7 (2.73%) AWS Step Functions
11 7 (2.73%) Cloud Computing
12 6 (2.34%) GitHub Actions
13 5 (1.95%) Sentry
14 4 (1.56%) Azure Functions
14 4 (1.56%) Firebase
15 3 (1.17%) Azure Data Factory
15 3 (1.17%) Azure Event Grid
Communications & Networking
1 7 (2.73%) HTTP
2 1 (0.39%) Broadband
2 1 (0.39%) Firewall
2 1 (0.39%) VPN
Database & Business Intelligence
1 72 (28.13%) PostgreSQL
2 35 (13.67%) NoSQL
3 30 (11.72%) MongoDB
4 19 (7.42%) DynamoDB
5 17 (6.64%) Relational Database
6 16 (6.25%) SQL Server
7 10 (3.91%) MySQL
8 9 (3.52%) Oracle Database
8 9 (3.52%) Oracle Database 11g
9 5 (1.95%) Redis
10 3 (1.17%) Flink
11 2 (0.78%) Azure SQL Database
11 2 (0.78%) BigQuery
11 2 (0.78%) ClickHouse
11 2 (0.78%) Data Lake
11 2 (0.78%) Power BI
12 1 (0.39%) Amazon RDS
12 1 (0.39%) Apache Cassandra
12 1 (0.39%) Big Data
12 1 (0.39%) MariaDB
Development Applications
1 78 (30.47%) Git
2 37 (14.45%) Jenkins
3 20 (7.81%) Bitbucket
4 16 (6.25%) GitLab
4 16 (6.25%) JUnit
5 14 (5.47%) Cucumber
5 14 (5.47%) Mockito
6 12 (4.69%) JIRA
7 11 (4.30%) Gradle
7 11 (4.30%) Liquibase
7 11 (4.30%) TeamCity
8 7 (2.73%) GoogleTest
8 7 (2.73%) Rational DOORS
8 7 (2.73%) TestRail
9 6 (2.34%) webpack
10 5 (1.95%) CircleCI
10 5 (1.95%) git-flow
10 5 (1.95%) Maven
11 2 (0.78%) Cypress.io
11 2 (0.78%) Visual Studio
General
1 65 (25.39%) Social Skills
2 50 (19.53%) Finance
3 49 (19.14%) Banking
4 46 (17.97%) Public Sector
5 37 (14.45%) Investment Banking
6 19 (7.42%) Front Office
7 16 (6.25%) Analytical Skills
8 15 (5.86%) Back Office
9 13 (5.08%) Marketing
10 12 (4.69%) Manufacturing
11 11 (4.30%) Electronics
11 11 (4.30%) Telecoms
12 8 (3.13%) Organisational Skills
13 7 (2.73%) Inclusion and Diversity
14 6 (2.34%) Retail
15 4 (1.56%) Influencing Skills
16 3 (1.17%) Corporate Banking
16 3 (1.17%) Law
16 3 (1.17%) Retail Banking
17 2 (0.78%) Wholesale Banking
Job Titles
1 176 (68.75%) Developer
2 59 (23.05%) Java Developer
3 32 (12.50%) SC Cleared Java Developer
3 32 (12.50%) Software Engineer
4 29 (11.33%) Senior
5 24 (9.38%) React Developer
6 23 (8.98%) Scala Developer
7 21 (8.20%) Front-End Developer (Client-Side Developer)
7 21 (8.20%) Full-Stack Developer
8 16 (6.25%) Lead
9 14 (5.47%) Python Developer
10 13 (5.08%) AWS Developer
11 12 (4.69%) .NET Developer
11 12 (4.69%) Senior Software Engineer
11 12 (4.69%) Technical Leader
12 10 (3.91%) Senior Developer
13 9 (3.52%) JavaScript Developer
14 8 (3.13%) C++ Software Engineer
14 8 (3.13%) Software Developer
15 7 (2.73%) Embedded Software Engineer
Libraries, Frameworks & Software Standards
1 117 (45.70%) React
2 64 (25.00%) RESTful
3 50 (19.53%) Spring
4 49 (19.14%) Spring Boot
5 48 (18.75%) Kafka
6 44 (17.19%) HTML
7 43 (16.80%) CSS
8 41 (16.02%) .NET
9 34 (13.28%) AngularJS
10 31 (12.11%) Node.js
11 25 (9.77%) Web Services
12 21 (8.20%) JSON
13 19 (7.42%) GraphQL
13 19 (7.42%) HTML5
14 16 (6.25%) ASP.NET
15 13 (5.08%) Flask
15 13 (5.08%) LESS
15 13 (5.08%) Sass
15 13 (5.08%) Vue
16 12 (4.69%) Swagger
Miscellaneous
1 20 (7.81%) Algorithms
2 18 (7.03%) Foreign Exchange (FX)
3 15 (5.86%) Equities
3 15 (5.86%) Product Ownership
4 12 (4.69%) Derivative
4 12 (4.69%) Equity Derivative
5 9 (3.52%) Cloud Native
5 9 (3.52%) Fixed Income
5 9 (3.52%) Mobile App
6 8 (3.13%) Distributed Systems
7 7 (2.73%) Hedge funds
8 6 (2.34%) Credit Risk
9 5 (1.95%) Greenfield Project
10 4 (1.56%) Onboarding
10 4 (1.56%) Video\Live Streaming
11 3 (1.17%) Data Protection Act
11 3 (1.17%) Team-Oriented Environment
11 3 (1.17%) Virtual Team
12 2 (0.78%) Enterprise Software
12 2 (0.78%) Self-Motivation
Operating Systems
1 16 (6.25%) Linux
2 13 (5.08%) Android
3 8 (3.13%) Apple iOS
3 8 (3.13%) Windows
4 7 (2.73%) Embedded Linux
Processes & Methodologies
1 151 (58.98%) Agile
2 102 (39.84%) DevOps
3 95 (37.11%) CI/CD
4 79 (30.86%) Software Engineering
5 77 (30.08%) Problem-Solving
6 75 (29.30%) Microservices
7 61 (23.83%) TDD
8 53 (20.70%) OO
9 52 (20.31%) Design Patterns
10 48 (18.75%) SOLID
11 45 (17.58%) Scrum
12 42 (16.41%) Continuous Integration
12 42 (16.41%) Full-Stack Development
13 34 (13.28%) User Experience
14 31 (12.11%) Collaborative Working
15 29 (11.33%) Code Quality
16 26 (10.16%) API Development
16 26 (10.16%) Front End Development
17 25 (9.77%) Test Automation
18 23 (8.98%) Containerisation
Programming Languages
1 108 (42.19%) Java
2 102 (39.84%) JavaScript
3 98 (38.28%) SQL
4 57 (22.27%) TypeScript
5 43 (16.80%) C#
6 42 (16.41%) Python
7 24 (9.38%) C++
8 23 (8.98%) Scala
9 16 (6.25%) PowerShell
10 9 (3.52%) Kotlin
10 9 (3.52%) PL/SQL
11 8 (3.13%) T-SQL
12 7 (2.73%) Rust
13 4 (1.56%) Dart
13 4 (1.56%) Objective-C
13 4 (1.56%) PHP
13 4 (1.56%) Ruby
13 4 (1.56%) Swift
14 2 (0.78%) Bash
14 2 (0.78%) Groovy
Qualifications
1 70 (27.34%) Security Cleared
2 67 (26.17%) SC Cleared
3 23 (8.98%) Degree
4 20 (7.81%) Computer Science Degree
5 16 (6.25%) AWS Certified Developer
6 12 (4.69%) AWS Certification
7 4 (1.56%) BPSS Clearance
8 3 (1.17%) Master's Degree
9 2 (0.78%) OCP
9 2 (0.78%) Oracle Certification
9 2 (0.78%) Sun Certification
10 1 (0.39%) DV Cleared
10 1 (0.39%) Numerate Degree
Quality Assurance & Compliance
1 10 (3.91%) Accessibility
2 8 (3.13%) PCI DSS
3 3 (1.17%) MiFID
3 3 (1.17%) QA
4 2 (0.78%) Disclosure Scotland
5 1 (0.39%) Data Quality
5 1 (0.39%) EMIR
5 1 (0.39%) GDPR
5 1 (0.39%) WCAG
System Software
1 43 (16.80%) Docker
2 1 (0.39%) Active Directory
Systems Management
1 56 (21.88%) Kubernetes
2 18 (7.03%) Ansible
3 8 (3.13%) Terraform
4 4 (1.56%) Grafana
5 2 (0.78%) Prometheus
6 1 (0.39%) CloudHub
6 1 (0.39%) Opsgenie
6 1 (0.39%) Rancher
Vendors
1 28 (10.94%) Microsoft
2 24 (9.38%) Oracle
3 21 (8.20%) SAP
4 14 (5.47%) Google
5 13 (5.08%) Salesforce
6 8 (3.13%) ServiceNow
7 2 (0.78%) Apple
7 2 (0.78%) Bloomberg
7 2 (0.78%) Databricks
8 1 (0.39%) Atlassian
8 1 (0.39%) Cisco
8 1 (0.39%) CQG
8 1 (0.39%) ForgeRock
8 1 (0.39%) IBM
8 1 (0.39%) ION Trading
8 1 (0.39%) MuleSoft
8 1 (0.39%) Okta
8 1 (0.39%) Reuters
8 1 (0.39%) TIBCO
8 1 (0.39%) Tradeweb