Clean Code Contracts in London

Clean Code
England > London

The table below provides summary statistics for contract job vacancies advertised in London 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 29 May 2025, comparing them to the same period in the previous two years.

6 months to
29 May 2025
Same period 2024 Same period 2023
Rank 195 222 216
Rank change year-on-year +27 -6 +36
Contract jobs citing Clean Code 151 185 299
As % of all contract jobs advertised in London 1.25% 1.06% 1.17%
As % of the Processes & Methodologies category 1.35% 1.20% 1.29%
Number of daily rates quoted 103 129 213
10th Percentile £364 £413 £463
25th Percentile £460 £475 £515
Median daily rate (50th Percentile) £585 £600 £600
Median % change year-on-year -2.50% - -
75th Percentile £675 £675 £700
90th Percentile £813 £780 £775
England median daily rate £530 £600 £575
% change year-on-year -11.67% +4.35% -
Number of hourly rates quoted 1 0 3
10th Percentile - - £62.00
25th Percentile - - £65.00
Median hourly rate £55.00 - £70.00
75th Percentile - - £80.00
90th Percentile - - £86.00
England median hourly rate £55.00 £70.00 £70.00
% change year-on-year -21.43% - -

All Process and Methodology Skills
London

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 in London.

Contract vacancies with a requirement for process or methodology skills 11,178 15,459 23,168
As % of all contract IT jobs advertised in London 92.22% 88.48% 90.85%
Number of daily rates quoted 7,507 11,105 16,762
10th Percentile £350 £340 £375
25th Percentile £431 £450 £475
Median daily rate (50th Percentile) £550 £550 £590
Median % change year-on-year - -6.78% +2.61%
75th Percentile £688 £675 £700
90th Percentile £800 £800 £800
England median daily rate £525 £525 £550
% change year-on-year - -4.55% +1.85%
Number of hourly rates quoted 187 316 266
10th Percentile £16.50 £15.72 £18.25
25th Percentile £23.78 £20.00 £22.50
Median hourly rate £30.81 £28.00 £39.63
Median % change year-on-year +10.02% -29.34% +12.29%
75th Percentile £49.75 £48.75 £64.50
90th Percentile £63.10 £66.88 £82.50
England median hourly rate £28.00 £37.18 £37.32
% change year-on-year -24.69% -0.38% +49.28%

Clean Code
Job Vacancy Trend in London

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

Job vacancy trend for Clean Code in London

Clean Code
Contractor Daily Rate Trend in London

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

Daily rate trend for Clean Code in London

Clean Code
Daily Rate Histogram in London

Daily rate distribution for jobs citing Clean Code in London over the 6 months to 29 May 2025.

Daily rate histogram for Clean Code in London

Clean Code
Contractor Hourly Rate Trend in London

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

Hourly rate trend for Clean Code in London

Clean Code
Contract Job Locations in London

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 London region over the 6 months to 29 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
Central London +25 30 £585 -2.50% 24
West London +9 6 £478 +35.49% 78
Clean Code
England

Clean Code
Co-occurring Skills and Capabilities in London 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 (2.65%) Confluence
2 3 (1.99%) Apache Spark
3 2 (1.32%) Apache
3 2 (1.32%) CMS
4 1 (0.66%) Anypoint
4 1 (0.66%) Headless CMS
4 1 (0.66%) JBoss
Business Applications
1 1 (0.66%) Fidessa
1 1 (0.66%) Oracle TCA
1 1 (0.66%) Payment Gateway
Cloud Services
1 81 (53.64%) AWS
2 29 (19.21%) Serverless
3 24 (15.89%) Azure
4 23 (15.23%) AWS Lambda
5 18 (11.92%) Amazon S3
6 15 (9.93%) GitHub
7 12 (7.95%) AWS Step Functions
8 10 (6.62%) Amazon SQS
9 9 (5.96%) GCP
10 8 (5.30%) Amazon ECS
11 7 (4.64%) AWS CloudFormation
12 6 (3.97%) Amazon CloudWatch
12 6 (3.97%) Datadog
13 4 (2.65%) Amazon Cognito
13 4 (2.65%) Amazon EventBridge
13 4 (2.65%) GitHub Actions
13 4 (2.65%) Sentry
14 3 (1.99%) Azure Data Factory
14 3 (1.99%) Azure Event Grid
14 3 (1.99%) Power Platform
Communications & Networking
1 4 (2.65%) HTTP
2 1 (0.66%) Broadband
2 1 (0.66%) Firewall
2 1 (0.66%) VPN
Database & Business Intelligence
1 36 (23.84%) PostgreSQL
2 23 (15.23%) DynamoDB
3 20 (13.25%) NoSQL
4 14 (9.27%) MongoDB
5 12 (7.95%) SQL Server
6 11 (7.28%) Relational Database
7 3 (1.99%) Redis
8 2 (1.32%) Amazon RDS
8 2 (1.32%) Azure SQL Database
8 2 (1.32%) Big Data
8 2 (1.32%) ClickHouse
8 2 (1.32%) Data Warehouse
8 2 (1.32%) Elasticsearch
8 2 (1.32%) MySQL
8 2 (1.32%) Power BI
9 1 (0.66%) Data Lake
9 1 (0.66%) KDB
9 1 (0.66%) Metadata
9 1 (0.66%) SQL Server Reporting Services
9 1 (0.66%) SQLite
Development Applications
1 46 (30.46%) Git
2 16 (10.60%) Jenkins
3 11 (7.28%) JUnit
4 9 (5.96%) Bitbucket
4 9 (5.96%) GitLab
4 9 (5.96%) Mockito
5 8 (5.30%) TeamCity
6 6 (3.97%) Gradle
6 6 (3.97%) JIRA
6 6 (3.97%) Liquibase
6 6 (3.97%) Maven
7 4 (2.65%) CircleCI
8 3 (1.99%) git-flow
8 3 (1.99%) SpecFlow
8 3 (1.99%) Visual Studio
9 2 (1.32%) Atlassian Bamboo
9 2 (1.32%) Cucumber
9 2 (1.32%) Cypress.io
9 2 (1.32%) webpack
9 2 (1.32%) Xcode
General
1 38 (25.17%) Finance
1 38 (25.17%) Social Skills
2 33 (21.85%) Banking
3 21 (13.91%) Investment Banking
4 19 (12.58%) Public Sector
5 14 (9.27%) Front Office
6 13 (8.61%) Analytical Skills
7 8 (5.30%) Organisational Skills
8 7 (4.64%) Marketing
9 6 (3.97%) Electronics
9 6 (3.97%) Manufacturing
9 6 (3.97%) Telecoms
10 4 (2.65%) Retail
11 3 (1.99%) Financial Institution
11 3 (1.99%) Influencing Skills
12 2 (1.32%) Back Office
13 1 (0.66%) Automotive
13 1 (0.66%) Aviation
13 1 (0.66%) Games
13 1 (0.66%) Inclusion and Diversity
Job Titles
1 100 (66.23%) Developer
2 26 (17.22%) Java Developer
2 26 (17.22%) Senior
3 20 (13.25%) Python Developer
4 17 (11.26%) SC Cleared Java Developer
5 16 (10.60%) AWS Developer
5 16 (10.60%) React Developer
6 15 (9.93%) Software Engineer
7 13 (8.61%) Full-Stack Developer
7 13 (8.61%) Senior Developer
8 11 (7.28%) Front-End Developer (Client-Side Developer)
9 10 (6.62%) JavaScript Developer
10 9 (5.96%) AWS Engineer
10 9 (5.96%) Full-Stack Engineer
11 7 (4.64%) Backend Developer
11 7 (4.64%) Python Engineer
12 6 (3.97%) Front-End Java Developer (Client-Side Java Developer)
13 5 (3.31%) Senior Software Engineer
13 5 (3.31%) Software Developer
14 4 (2.65%) C# Developer
Libraries, Frameworks & Software Standards
1 88 (58.28%) React
2 32 (21.19%) Node.js
2 32 (21.19%) RESTful
3 25 (16.56%) AngularJS
3 25 (16.56%) Kafka
4 24 (15.89%) GraphQL
4 24 (15.89%) Spring
5 23 (15.23%) CSS
6 22 (14.57%) Spring Boot
7 19 (12.58%) HTML
8 18 (11.92%) .NET
9 16 (10.60%) FastAPI
10 15 (9.93%) Flask
11 12 (7.95%) Next.js
11 12 (7.95%) REST
11 12 (7.95%) Vue
12 11 (7.28%) NumPy
12 11 (7.28%) Pandas
12 11 (7.28%) Web Services
13 10 (6.62%) ASP.NET
Miscellaneous
1 21 (13.91%) Foreign Exchange (FX)
2 13 (8.61%) Cloud Native
3 10 (6.62%) Hedge funds
4 9 (5.96%) Distributed Systems
5 6 (3.97%) Algorithms
5 6 (3.97%) Fixed Income
5 6 (3.97%) Product Ownership
6 5 (3.31%) Virtual Team
7 4 (2.65%) Greenfield Project
7 4 (2.65%) Mobile App
8 3 (1.99%) Data Protection Act
8 3 (1.99%) Derivative
8 3 (1.99%) Equities
8 3 (1.99%) Equity Derivative
8 3 (1.99%) Onboarding
9 2 (1.32%) Linux Command Line
9 2 (1.32%) Self-Motivation
10 1 (0.66%) Data Structures
10 1 (0.66%) IoT
10 1 (0.66%) Renewable Energy
Operating Systems
1 13 (8.61%) Linux
2 8 (5.30%) Windows
3 5 (3.31%) Android
4 3 (1.99%) Apple iOS
5 1 (0.66%) Unix
Processes & Methodologies
1 80 (52.98%) Agile
2 68 (45.03%) CI/CD
3 55 (36.42%) DevOps
4 41 (27.15%) Software Engineering
5 40 (26.49%) Microservices
6 38 (25.17%) Full-Stack Development
7 36 (23.84%) Problem-Solving
8 28 (18.54%) TDD
9 24 (15.89%) Mentoring
10 21 (13.91%) Containerisation
10 21 (13.91%) Scrum
11 20 (13.25%) Design Patterns
11 20 (13.25%) User Experience
12 18 (11.92%) API Development
12 18 (11.92%) Continuous Integration
12 18 (11.92%) Event-Driven
12 18 (11.92%) SOLID
13 16 (10.60%) OO
14 15 (9.93%) OOP
14 15 (9.93%) Test Automation
Programming Languages
1 62 (41.06%) JavaScript
2 57 (37.75%) Java
3 53 (35.10%) TypeScript
4 49 (32.45%) Python
5 47 (31.13%) SQL
6 28 (18.54%) C#
7 20 (13.25%) C++
8 10 (6.62%) Rust
9 6 (3.97%) T-SQL
10 5 (3.31%) Ruby
11 3 (1.99%) Kotlin
11 3 (1.99%) PHP
11 3 (1.99%) PowerShell
12 2 (1.32%) Apex Code
12 2 (1.32%) Go
12 2 (1.32%) Objective-C
12 2 (1.32%) Scala
12 2 (1.32%) Swift
13 1 (0.66%) Groovy
13 1 (0.66%) Korn
Qualifications
1 30 (19.87%) SC Cleared
1 30 (19.87%) Security Cleared
2 11 (7.28%) AWS Certified Developer
3 9 (5.96%) AWS Certification
4 6 (3.97%) Degree
5 1 (0.66%) BPSS Clearance
5 1 (0.66%) Computer Science Degree
5 1 (0.66%) Numerate Degree
Quality Assurance & Compliance
1 6 (3.97%) QA
2 4 (2.65%) Accessibility
3 3 (1.99%) Data Quality
3 3 (1.99%) MiFID
4 2 (1.32%) GDPR
5 1 (0.66%) EMIR
5 1 (0.66%) Software Quality Assurance
System Software
1 32 (21.19%) Docker
2 1 (0.66%) Active Directory
2 1 (0.66%) zsh
Systems Management
1 35 (23.18%) Kubernetes
2 6 (3.97%) Prometheus
3 5 (3.31%) Grafana
4 3 (1.99%) Terraform
5 2 (1.32%) Kibana
6 1 (0.66%) Ansible
6 1 (0.66%) CloudHub
6 1 (0.66%) Opsgenie
6 1 (0.66%) Single Sign-On
Vendors
1 6 (3.97%) SAP
2 4 (2.65%) Microsoft
2 4 (2.65%) Salesforce
3 3 (1.99%) CA Agile Central
3 3 (1.99%) Databricks
3 3 (1.99%) Oracle
4 2 (1.32%) Bloomberg
4 2 (1.32%) Google
4 2 (1.32%) ServiceNow
4 2 (1.32%) Splunk
5 1 (0.66%) Atlassian
5 1 (0.66%) CQG
5 1 (0.66%) ForgeRock
5 1 (0.66%) IBM
5 1 (0.66%) ION Trading
5 1 (0.66%) MuleSoft
5 1 (0.66%) Okta
5 1 (0.66%) Reuters
5 1 (0.66%) Tradeweb