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 15 May 2025, comparing them to the same period in the previous two years.

6 months to
15 May 2025
Same period 2024 Same period 2023
Rank 277 323 313
Rank change year-on-year +46 -10 +19
Contract jobs citing Clean Code 263 283 484
As % of all contract jobs advertised in the UK 0.90% 0.66% 0.84%
As % of the Processes & Methodologies category 0.99% 0.77% 0.93%
Number of daily rates quoted 179 205 357
10th Percentile £330 £381 £429
25th Percentile £413 £450 £513
Median daily rate (50th Percentile) £525 £575 £580
Median % change year-on-year -8.70% -0.86% +5.45%
75th Percentile £625 £675 £675
90th Percentile £750 £710 £725
UK excluding London median daily rate £475 £510 £549
% change year-on-year -6.86% -7.10% +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 26,492 36,783 51,773
As % of all contract IT jobs advertised in the UK 90.98% 86.20% 89.81%
Number of daily rates quoted 17,003 23,675 35,887
10th Percentile £305 £300 £325
25th Percentile £410 £413 £438
Median daily rate (50th Percentile) £515 £525 £550
Median % change year-on-year -1.90% -4.55% +3.77%
75th Percentile £626 £638 £650
90th Percentile £738 £750 £750
UK excluding London median daily rate £475 £500 £500
% change year-on-year -5.00% - +5.26%
Number of hourly rates quoted 1,084 2,434 1,710
10th Percentile £14.20 £12.75 £10.99
25th Percentile £18.13 £16.00 £16.22
Median hourly rate £28.30 £36.50 £36.40
Median % change year-on-year -22.48% +0.29% +41.73%
75th Percentile £60.00 £60.00 £65.00
90th Percentile £75.00 £72.50 £75.00
UK excluding London median hourly rate £25.43 £38.00 £35.00
% change year-on-year -33.08% +8.57% +75.00%

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 15 May 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 15 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
England +22 198 £530 -11.67% 913
London +11 147 £585 -2.50% 412
Work from Home +27 78 £468 -12.00% 625
UK excluding London +39 64 £475 -6.86% 660
North of England +24 19 £500 +6.67% 168
South East +36 16 £500 -25.93% 223
North West +13 12 £502 +8.43% 117
Northern Ireland - 10 £325 - 20
Scotland +12 9 £468 -2.60% 26
Yorkshire +20 7 £500 -16.67% 41
Midlands +18 6 £363 -7.52% 99
South West +38 4 £420 -6.78% 68
East Midlands +13 4 £358 -46.96% 36
West Midlands +12 2 £475 +41.79% 62

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 (1.52%) CMS
1 4 (1.52%) Confluence
2 3 (1.14%) Oracle Application Server
3 2 (0.76%) Apache
3 2 (0.76%) Apache Spark
3 2 (0.76%) Umbraco
4 1 (0.38%) Anypoint
4 1 (0.38%) Drupal
4 1 (0.38%) Headless CMS
4 1 (0.38%) WebLogic
4 1 (0.38%) WordPress
Business Applications
1 1 (0.38%) BusinessWorks
1 1 (0.38%) Dynamics CRM
1 1 (0.38%) Fidessa
1 1 (0.38%) Oracle TCA
1 1 (0.38%) Payment Gateway
Cloud Services
1 116 (44.11%) AWS
2 51 (19.39%) Azure
3 39 (14.83%) Serverless
4 30 (11.41%) AWS Lambda
5 22 (8.37%) Amazon S3
6 21 (7.98%) GitHub
7 14 (5.32%) GCP
8 12 (4.56%) AWS CloudFormation
9 11 (4.18%) Azure DevOps
9 11 (4.18%) GitHub Actions
10 10 (3.80%) Amazon SQS
10 10 (3.80%) AWS Step Functions
11 9 (3.42%) Amazon ECS
12 8 (3.04%) Amazon Cognito
13 7 (2.66%) Firebase
13 7 (2.66%) OpenShift
14 5 (1.90%) AWS CodePipeline
14 5 (1.90%) Azure Functions
14 5 (1.90%) Datadog
14 5 (1.90%) Sentry
Communications & Networking
1 10 (3.80%) HTTP
2 3 (1.14%) HTTPS
2 3 (1.14%) SSL
3 1 (0.38%) Broadband
3 1 (0.38%) Firewall
3 1 (0.38%) VPN
Database & Business Intelligence
1 70 (26.62%) PostgreSQL
2 35 (13.31%) NoSQL
3 28 (10.65%) MongoDB
4 23 (8.75%) DynamoDB
5 21 (7.98%) Relational Database
6 17 (6.46%) SQL Server
7 12 (4.56%) MySQL
8 10 (3.80%) Oracle Database
9 7 (2.66%) Oracle Database 11g
10 6 (2.28%) Amazon Aurora
11 5 (1.90%) Redis
12 3 (1.14%) Big Data
13 2 (0.76%) Amazon Redshift
13 2 (0.76%) Azure SQL Database
13 2 (0.76%) BigQuery
13 2 (0.76%) ClickHouse
13 2 (0.76%) Flink
13 2 (0.76%) Power BI
14 1 (0.38%) Data Lake
14 1 (0.38%) Looker
Development Applications
1 88 (33.46%) Git
2 43 (16.35%) Jenkins
3 19 (7.22%) Bitbucket
4 17 (6.46%) GitLab
5 16 (6.08%) JUnit
6 14 (5.32%) Cucumber
6 14 (5.32%) Mockito
7 11 (4.18%) Gradle
7 11 (4.18%) JIRA
7 11 (4.18%) Liquibase
8 10 (3.80%) TeamCity
9 8 (3.04%) Cypress.io
10 6 (2.28%) GoogleTest
10 6 (2.28%) Rational DOORS
10 6 (2.28%) TestRail
11 5 (1.90%) CircleCI
11 5 (1.90%) git-flow
11 5 (1.90%) Maven
11 5 (1.90%) Storybook
11 5 (1.90%) webpack
General
1 69 (26.24%) Social Skills
2 50 (19.01%) Finance
3 49 (18.63%) Banking
4 42 (15.97%) Public Sector
5 36 (13.69%) Investment Banking
6 18 (6.84%) Analytical Skills
6 18 (6.84%) Front Office
7 13 (4.94%) Marketing
8 12 (4.56%) Manufacturing
9 11 (4.18%) Electronics
9 11 (4.18%) Telecoms
10 8 (3.04%) Organisational Skills
11 7 (2.66%) Back Office
12 5 (1.90%) Inclusion and Diversity
12 5 (1.90%) Retail
13 4 (1.52%) Influencing Skills
14 2 (0.76%) Financial Institution
14 2 (0.76%) Health Technology
14 2 (0.76%) Pharmaceutical
14 2 (0.76%) Wholesale Banking
Job Titles
1 188 (71.48%) Developer
2 57 (21.67%) Java Developer
3 33 (12.55%) Software Engineer
4 32 (12.17%) Senior
5 30 (11.41%) SC Cleared Java Developer
6 29 (11.03%) React Developer
7 25 (9.51%) Full-Stack Developer
8 21 (7.98%) Scala Developer
9 20 (7.60%) Front-End Developer (Client-Side Developer)
10 17 (6.46%) Python Developer
11 14 (5.32%) AWS Developer
12 13 (4.94%) .NET Developer
12 13 (4.94%) Senior Developer
13 12 (4.56%) Senior Software Engineer
14 11 (4.18%) Software Developer
15 10 (3.80%) JavaScript Developer
16 9 (3.42%) AWS Engineer
16 9 (3.42%) Backend Developer
16 9 (3.42%) Lead
17 8 (3.04%) Python Engineer
Libraries, Frameworks & Software Standards
1 132 (50.19%) React
2 73 (27.76%) RESTful
3 51 (19.39%) CSS
4 49 (18.63%) Spring
5 47 (17.87%) Spring Boot
6 46 (17.49%) HTML
7 40 (15.21%) Kafka
8 39 (14.83%) AngularJS
8 39 (14.83%) Node.js
9 35 (13.31%) .NET
10 29 (11.03%) GraphQL
11 28 (10.65%) Web Services
12 21 (7.98%) JSON
13 17 (6.46%) HTML5
14 16 (6.08%) ASP.NET
14 16 (6.08%) Tailwind CSS
15 15 (5.70%) REST
16 14 (5.32%) FastAPI
16 14 (5.32%) Vue
17 13 (4.94%) Jest
Miscellaneous
1 20 (7.60%) Algorithms
2 19 (7.22%) Foreign Exchange (FX)
3 16 (6.08%) Cloud Native
4 14 (5.32%) Product Ownership
5 13 (4.94%) Equities
6 12 (4.56%) Derivative
6 12 (4.56%) Equity Derivative
7 10 (3.80%) Distributed Systems
7 10 (3.80%) Mobile App
8 8 (3.04%) Hedge funds
9 7 (2.66%) Fixed Income
10 5 (1.90%) Greenfield Project
10 5 (1.90%) Virtual Team
11 4 (1.52%) Data Protection Act
11 4 (1.52%) Video\Live Streaming
12 3 (1.14%) Credit Risk
12 3 (1.14%) Onboarding
12 3 (1.14%) State Machine
12 3 (1.14%) Team-Oriented Environment
13 2 (0.76%) Self-Motivation
Operating Systems
1 16 (6.08%) Linux
2 13 (4.94%) Android
3 8 (3.04%) Apple iOS
3 8 (3.04%) Windows
4 6 (2.28%) Embedded Linux
Processes & Methodologies
1 147 (55.89%) Agile
2 114 (43.35%) CI/CD
3 102 (38.78%) DevOps
4 86 (32.70%) Problem-Solving
5 81 (30.80%) Software Engineering
6 74 (28.14%) Microservices
7 56 (21.29%) Full-Stack Development
7 56 (21.29%) TDD
8 52 (19.77%) Design Patterns
9 44 (16.73%) OO
9 44 (16.73%) Scrum
10 43 (16.35%) User Experience
11 42 (15.97%) Continuous Integration
11 42 (15.97%) SOLID
12 32 (12.17%) Containerisation
13 31 (11.79%) Code Quality
14 30 (11.41%) Collaborative Working
15 29 (11.03%) API Development
16 28 (10.65%) Front End Development
16 28 (10.65%) Test Automation
Programming Languages
1 103 (39.16%) JavaScript
2 100 (38.02%) Java
3 89 (33.84%) SQL
4 73 (27.76%) TypeScript
5 49 (18.63%) Python
6 38 (14.45%) C#
7 25 (9.51%) C++
8 21 (7.98%) Scala
9 10 (3.80%) PL/SQL
10 9 (3.42%) Kotlin
11 8 (3.04%) PowerShell
11 8 (3.04%) Rust
11 8 (3.04%) T-SQL
12 5 (1.90%) PHP
13 4 (1.52%) Dart
13 4 (1.52%) Objective-C
13 4 (1.52%) Ruby
13 4 (1.52%) Swift
14 2 (0.76%) Bash
14 2 (0.76%) Go
Qualifications
1 65 (24.71%) Security Cleared
2 63 (23.95%) SC Cleared
3 21 (7.98%) Degree
4 16 (6.08%) Computer Science Degree
5 13 (4.94%) AWS Certification
5 13 (4.94%) AWS Certified Developer
6 6 (2.28%) BPSS Clearance
7 3 (1.14%) Master's Degree
8 2 (0.76%) OCP
8 2 (0.76%) Oracle Certification
8 2 (0.76%) Sun Certification
9 1 (0.38%) DV Cleared
9 1 (0.38%) Numerate Degree
Quality Assurance & Compliance
1 11 (4.18%) Accessibility
2 4 (1.52%) QA
3 3 (1.14%) GDPR
3 3 (1.14%) MiFID
3 3 (1.14%) PCI DSS
4 1 (0.38%) Data Quality
4 1 (0.38%) Disclosure Scotland
4 1 (0.38%) EMIR
4 1 (0.38%) WCAG
System Software
1 50 (19.01%) Docker
2 1 (0.38%) Active Directory
Systems Management
1 59 (22.43%) Kubernetes
2 17 (6.46%) Ansible
3 9 (3.42%) Terraform
4 7 (2.66%) Grafana
5 5 (1.90%) Prometheus
6 2 (0.76%) Kibana
7 1 (0.38%) CloudHub
7 1 (0.38%) Opsgenie
7 1 (0.38%) Rancher
Vendors
1 24 (9.13%) Oracle
2 20 (7.60%) SAP
3 19 (7.22%) Microsoft
4 14 (5.32%) Google
5 12 (4.56%) Salesforce
6 9 (3.42%) ServiceNow
7 2 (0.76%) Apple
7 2 (0.76%) Bloomberg
7 2 (0.76%) Brio
7 2 (0.76%) Splunk
8 1 (0.38%) Atlassian
8 1 (0.38%) Cisco
8 1 (0.38%) CQG
8 1 (0.38%) ForgeRock
8 1 (0.38%) IBM
8 1 (0.38%) ION Trading
8 1 (0.38%) MuleSoft
8 1 (0.38%) Reuters
8 1 (0.38%) TIBCO
8 1 (0.38%) Tradeweb