Clean Code Contracts in the City of London

Clean Code
Central London > City of London

The table below provides summary statistics for contract job vacancies advertised in the City of 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 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 81 118 152
Rank change year-on-year +37 +34 -16
Contract jobs citing Clean Code 38 9 26
As % of all contract jobs advertised in the City of London 2.16% 0.41% 0.71%
As % of the Processes & Methodologies category 2.32% 0.45% 0.78%
Number of daily rates quoted 28 7 20
10th Percentile £451 £513 £463
25th Percentile £463 £581 £523
Median daily rate (50th Percentile) £585 £700 £700
Median % change year-on-year -16.43% - +14.52%
75th Percentile - £738 £775
90th Percentile £611 £760 £800
Central London median daily rate £585 £675 £700
% change year-on-year -13.33% -3.57% +16.67%

All Process and Methodology Skills
City of 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 the City of London.

Contract vacancies with a requirement for process or methodology skills 1,636 1,988 3,346
As % of all contract IT jobs advertised in the City of London 93.17% 90.49% 91.85%
Number of daily rates quoted 1,032 1,406 2,259
10th Percentile £363 £363 £355
25th Percentile £463 £451 £475
Median daily rate (50th Percentile) £575 £565 £600
Median % change year-on-year +1.77% -5.83% +4.35%
75th Percentile £680 £688 £730
90th Percentile £775 £806 £825
Central London median daily rate £565 £550 £600
% change year-on-year +2.73% -8.33% +5.26%
Number of hourly rates quoted 12 11 24
10th Percentile £22.00 £19.92 £15.33
25th Percentile £24.00 £20.22 £18.03
Median hourly rate £29.58 £25.00 £35.00
Median % change year-on-year +18.30% -28.57% -14.63%
75th Percentile £45.00 £40.00 £58.75
90th Percentile £62.25 £41.84 £88.30
Central London median hourly rate £29.07 £27.81 £35.00
% change year-on-year +4.53% -20.54% -14.63%

Clean Code
Job Vacancy Trend in the City of London

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

Job vacancy trend for Clean Code in the City of London

Clean Code
Contractor Daily Rate Trend in the City of London

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

Daily rate trend for Clean Code in the City of London

Clean Code
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Clean Code in the City of London over the 6 months to 1 May 2025.

Daily rate histogram for Clean Code in the City of London

Clean Code
Co-occurring Skills and Capabilities in the City of 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 2 (5.26%) Confluence
2 1 (2.63%) Anypoint
2 1 (2.63%) Apache
2 1 (2.63%) Apache Spark
Business Applications
1 1 (2.63%) Fidessa
Cloud Services
1 23 (60.53%) AWS
2 7 (18.42%) Azure
3 2 (5.26%) GCP
3 2 (5.26%) Serverless
4 1 (2.63%) Amazon CloudWatch
4 1 (2.63%) Amazon Cognito
4 1 (2.63%) Amazon EventBridge
4 1 (2.63%) Amazon S3
4 1 (2.63%) Amazon SQS
4 1 (2.63%) AWS CloudFormation
4 1 (2.63%) AWS Lambda
4 1 (2.63%) AWS Step Functions
4 1 (2.63%) Azure Data Factory
4 1 (2.63%) Azure DevOps
4 1 (2.63%) Azure Key Vault
4 1 (2.63%) Cloud Functions
4 1 (2.63%) Cloud Run
4 1 (2.63%) Datadog
4 1 (2.63%) Power Platform
Communications & Networking
1 1 (2.63%) Firewall
1 1 (2.63%) HTTP
1 1 (2.63%) VPN
Database & Business Intelligence
1 21 (55.26%) PostgreSQL
2 17 (44.74%) NoSQL
3 16 (42.11%) MongoDB
4 5 (13.16%) SQL Server
5 1 (2.63%) BigQuery
5 1 (2.63%) Data Lake
5 1 (2.63%) Data Warehouse
5 1 (2.63%) DynamoDB
5 1 (2.63%) Power BI
5 1 (2.63%) SQL Server Reporting Services
Development Applications
1 6 (15.79%) Git
2 4 (10.53%) Bitbucket
2 4 (10.53%) Jenkins
3 3 (7.89%) TeamCity
4 2 (5.26%) JIRA
5 1 (2.63%) JIRA Agile
5 1 (2.63%) LoadRunner
5 1 (2.63%) Maven
5 1 (2.63%) ScriptRunner
5 1 (2.63%) Visual Studio
5 1 (2.63%) Zephyr
General
1 17 (44.74%) Public Sector
2 4 (10.53%) Banking
2 4 (10.53%) Investment Banking
3 2 (5.26%) Finance
4 1 (2.63%) Back Office
4 1 (2.63%) Front Office
4 1 (2.63%) Social Skills
Job Titles
1 35 (92.11%) Developer
2 22 (57.89%) Java Developer
3 16 (42.11%) SC Cleared Java Developer
4 7 (18.42%) Front-End Developer (Client-Side Developer)
4 7 (18.42%) React Developer
5 6 (15.79%) Front-End Java Developer (Client-Side Java Developer)
6 4 (10.53%) Full-Stack Developer
7 3 (7.89%) Angular Developer
8 1 (2.63%) Analyst
8 1 (2.63%) Analyst Developer
8 1 (2.63%) Architect
8 1 (2.63%) AWS Architect
8 1 (2.63%) Data Engineer
8 1 (2.63%) Data Scientist
8 1 (2.63%) JIRA Developer
8 1 (2.63%) MuleSoft Developer
8 1 (2.63%) Python Developer
8 1 (2.63%) Ruby Developer
8 1 (2.63%) Software Analyst
8 1 (2.63%) Software Developer
Libraries, Frameworks & Software Standards
1 27 (71.05%) React
2 17 (44.74%) Kafka
3 16 (42.11%) Spring
3 16 (42.11%) Spring Boot
4 7 (18.42%) HTML
5 5 (13.16%) .NET
5 5 (13.16%) CSS
5 5 (13.16%) GraphQL
5 5 (13.16%) RESTful
6 4 (10.53%) AngularJS
6 4 (10.53%) Web Services
7 3 (7.89%) HTML5
7 3 (7.89%) RxJS
8 2 (5.26%) JSON
8 2 (5.26%) REST
9 1 (2.63%) ASP.NET
9 1 (2.63%) Node.js
9 1 (2.63%) Ruby on Rails
9 1 (2.63%) WebSockets
9 1 (2.63%) XML
Miscellaneous
1 3 (7.89%) Credit Risk
1 3 (7.89%) Greenfield Project
2 1 (2.63%) Cloud Native
2 1 (2.63%) Derivative
2 1 (2.63%) Distributed Systems
2 1 (2.63%) Equities
2 1 (2.63%) Fixed Income
2 1 (2.63%) Foreign Exchange (FX)
2 1 (2.63%) Onboarding
2 1 (2.63%) Product Ownership
2 1 (2.63%) Reference Data
2 1 (2.63%) Virtual Team
Processes & Methodologies
1 28 (73.68%) Agile
2 22 (57.89%) DevOps
3 21 (55.26%) SOLID
4 19 (50.00%) Microservices
5 18 (47.37%) API Development
6 10 (26.32%) CI/CD
7 8 (21.05%) Code Quality
8 7 (18.42%) Problem-Solving
9 6 (15.79%) Full-Stack Development
10 5 (13.16%) Continuous Integration
11 4 (10.53%) Domain-Driven Design
12 3 (7.89%) Architectural Patterns
12 3 (7.89%) Continuous Delivery
12 3 (7.89%) Functional Programming
12 3 (7.89%) High Availability
12 3 (7.89%) Low Latency
12 3 (7.89%) OO
12 3 (7.89%) OOP
12 3 (7.89%) Rapid Prototyping
12 3 (7.89%) Sprint Retrospective
Programming Languages
1 24 (63.16%) Java
2 20 (52.63%) JavaScript
3 19 (50.00%) SQL
4 6 (15.79%) TypeScript
5 5 (13.16%) Python
6 2 (5.26%) Ruby
7 1 (2.63%) C#
7 1 (2.63%) Groovy
7 1 (2.63%) PowerShell
7 1 (2.63%) T-SQL
Qualifications
1 22 (57.89%) SC Cleared
1 22 (57.89%) Security Cleared
2 16 (42.11%) AWS Certified Developer
3 1 (2.63%) Degree
Quality Assurance & Compliance
1 1 (2.63%) Data Quality
1 1 (2.63%) EMIR
1 1 (2.63%) MiFID
1 1 (2.63%) QA
Systems Management
1 16 (42.11%) Kubernetes
2 3 (7.89%) Ansible
3 2 (5.26%) Terraform
4 1 (2.63%) CloudHub
4 1 (2.63%) Opsgenie
4 1 (2.63%) Prometheus
Vendors
1 1 (2.63%) Atlassian
1 1 (2.63%) Bloomberg
1 1 (2.63%) CQG
1 1 (2.63%) Databricks
1 1 (2.63%) Google
1 1 (2.63%) ION Trading
1 1 (2.63%) MuleSoft
1 1 (2.63%) Okta
1 1 (2.63%) Reuters
1 1 (2.63%) Salesforce