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

6 months to
23 Apr 2024
Same period 2023 Same period 2022
Rank 315 305 338
Rank change year-on-year -10 +33 -7
Contract jobs citing Clean Code 295 514 746
As % of all contract jobs advertised in the UK 0.68% 0.85% 0.84%
As % of the Processes & Methodologies category 0.78% 0.95% 0.92%
Number of daily rates quoted 219 378 577
10th Percentile £411 £425 £406
25th Percentile £459 £509 £481
Median daily rate (50th Percentile) £575 £578 £550
Median % change year-on-year -0.43% +5.00% +10.00%
75th Percentile £675 £675 £650
90th Percentile £688 £725 £713
UK excluding London median daily rate £510 £549 £500
% change year-on-year -7.10% +9.80% +8.99%
Number of hourly rates quoted 3 3 4
10th Percentile - £62.00 £74.40
25th Percentile £67.50 £65.00 £75.75
Median hourly rate £70.00 £70.00 £77.59
Median % change year-on-year - -9.78% +13.50%
75th Percentile £77.50 £80.00 £80.13
90th Percentile £80.50 £86.00 £80.35
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 37,683 54,210 80,866
As % of all contract IT jobs advertised in the UK 86.32% 89.89% 90.59%
Number of daily rates quoted 24,351 37,527 56,743
10th Percentile £300 £325 £340
25th Percentile £413 £438 £425
Median daily rate (50th Percentile) £525 £550 £525
Median % change year-on-year -4.55% +4.76% +8.36%
75th Percentile £638 £650 £638
90th Percentile £750 £750 £738
UK excluding London median daily rate £500 £500 £475
% change year-on-year - +5.26% +9.83%
Number of hourly rates quoted 2,427 1,790 1,945
10th Percentile £12.75 £11.00 £12.50
25th Percentile £16.00 £16.64 £15.25
Median hourly rate £35.00 £37.50 £25.00
Median % change year-on-year -6.67% +50.00% -
75th Percentile £58.75 £65.00 £49.25
90th Percentile £72.07 £75.00 £63.75
UK excluding London median hourly rate £35.50 £37.30 £20.00
% change year-on-year -4.83% +86.50% -8.17%

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 April 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 April 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 -3 268 £600 +4.35% 316
London +3 188 £600 - 93
Work from Home -3 98 £538 -8.90% 121
UK excluding London +33 83 £510 -7.10% 236
South East +35 33 £625 +38.89% 59
North of England +23 14 £488 +14.71% 70
Midlands +43 10 £450 +12.50% 33
South West -12 10 £450 -18.18% 25
Scotland +25 9 £438 -6.82% 7
North West +14 9 £475 +11.76% 40
West Midlands +43 8 £393 -1.88% 20
East of England +20 7 £500 -23.11% 36
Yorkshire +15 4 £600 +33.33% 22
East Midlands +20 2 £675 +35.00% 13
North East - 1 £375 - 8

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 17 (5.76%) CMS
2 5 (1.69%) Apache
3 3 (1.02%) Umbraco
4 2 (0.68%) Apache Solr
4 2 (0.68%) Apache Spark
4 2 (0.68%) ArcGIS
4 2 (0.68%) Confluence
5 1 (0.34%) Camunda
5 1 (0.34%) Tomcat
5 1 (0.34%) Tornado
5 1 (0.34%) WordPress
Applications
1 1 (0.34%) CPLEX
1 1 (0.34%) Microsoft Office
Business Applications
1 1 (0.34%) NetSuite
1 1 (0.34%) Oracle Procure-to-Pay
Cloud Services
1 88 (29.83%) Azure
2 82 (27.80%) AWS
3 52 (17.63%) Azure DevOps
4 36 (12.20%) Azure Service Bus
5 35 (11.86%) GCP
6 32 (10.85%) Azure Cosmos DB
7 30 (10.17%) Azure Monitor
8 16 (5.42%) Serverless
9 12 (4.07%) Azure Pipelines
10 8 (2.71%) Amazon S3
11 7 (2.37%) GitHub
12 6 (2.03%) Amazon EC2
12 6 (2.03%) AWS Lambda
12 6 (2.03%) Azure App Service
12 6 (2.03%) SaaS
13 5 (1.69%) Amazon CloudWatch
13 5 (1.69%) Azure Event Grid
13 5 (1.69%) Azure Functions
14 4 (1.36%) Amazon EKS
14 4 (1.36%) IaaS
Communications & Networking
1 33 (11.19%) HTTP
2 9 (3.05%) FTP
3 5 (1.69%) TCP/IP
4 3 (1.02%) DHCP
4 3 (1.02%) DNS
5 2 (0.68%) SAN
6 1 (0.34%) Kerberos
6 1 (0.34%) NFC
6 1 (0.34%) OpenLDAP
6 1 (0.34%) PPP
Database & Business Intelligence
1 55 (18.64%) SQL Server
2 40 (13.56%) PostgreSQL
3 27 (9.15%) MongoDB
4 23 (7.80%) Apache Cassandra
5 19 (6.44%) Oracle Database
6 18 (6.10%) Relational Database
7 17 (5.76%) Oracle Database 11g
8 15 (5.08%) NoSQL
9 12 (4.07%) MySQL
10 5 (1.69%) GIS
10 5 (1.69%) Spatial Data
11 4 (1.36%) Amazon RDS
11 4 (1.36%) DynamoDB
12 3 (1.02%) Big Data
12 3 (1.02%) RDBMS
13 2 (0.68%) Couchbase
13 2 (0.68%) Data Lake
13 2 (0.68%) MariaDB
13 2 (0.68%) Oracle Reports
13 2 (0.68%) Redis
Development Applications
1 83 (28.14%) Git
2 16 (5.42%) Cypress.io
3 14 (4.75%) Jenkins
4 10 (3.39%) JIRA
5 6 (2.03%) webpack
6 4 (1.36%) Babel
6 4 (1.36%) Cucumber
6 4 (1.36%) Selenium
6 4 (1.36%) Visual Studio
7 3 (1.02%) Bitbucket
7 3 (1.02%) GitLab
8 2 (0.68%) Eclipse
8 2 (0.68%) JUnit
8 2 (0.68%) Oracle APEX
9 1 (0.34%) Ant
9 1 (0.34%) IntelliJ
9 1 (0.34%) Maven
9 1 (0.34%) NUnit
9 1 (0.34%) Subversion
9 1 (0.34%) TeamCity
General
1 63 (21.36%) Social Skills
2 37 (12.54%) Finance
3 34 (11.53%) Analytical Skills
4 29 (9.83%) Public Sector
5 26 (8.81%) Back Office
6 21 (7.12%) Banking
7 13 (4.41%) Marketing
8 12 (4.07%) Front Office
9 10 (3.39%) Advertising
9 10 (3.39%) Investment Banking
10 8 (2.71%) Manufacturing
11 6 (2.03%) Law
11 6 (2.03%) Telecoms
12 5 (1.69%) Electronics
13 4 (1.36%) Tech for Good
14 3 (1.02%) Inclusion and Diversity
14 3 (1.02%) Local Government
15 2 (0.68%) Organisational Skills
15 2 (0.68%) Presentation Skills
16 1 (0.34%) Health Technology
Job Titles
1 188 (63.73%) Developer
2 66 (22.37%) Senior
3 39 (13.22%) Senior Developer
4 29 (9.83%) Scala Developer
5 27 (9.15%) Lead
6 25 (8.47%) Software Engineer
7 23 (7.80%) Front-End Developer (Client-Side Developer)
7 23 (7.80%) React Developer
8 22 (7.46%) C# Developer
9 17 (5.76%) Python Developer
10 16 (5.42%) Java Developer
11 15 (5.08%) Azure Developer
11 15 (5.08%) PostgreSQL Developer
11 15 (5.08%) Software Developer
12 14 (4.75%) .NET Developer
13 13 (4.41%) Full Stack Developer
13 13 (4.41%) JavaScript Engineer
14 11 (3.73%) Technical Leader
15 10 (3.39%) Backend Developer
15 10 (3.39%) Java Engineer
Libraries, Frameworks & Software Standards
1 75 (25.42%) .NET
2 68 (23.05%) React
3 54 (18.31%) RESTful
4 52 (17.63%) CSS
5 51 (17.29%) HTML
6 50 (16.95%) .NET Core
7 40 (13.56%) Node.js
8 37 (12.54%) Kafka
9 29 (9.83%) Akka
10 23 (7.80%) REST
11 22 (7.46%) Redux
11 22 (7.46%) Spring
12 18 (6.10%) Express.js
13 17 (5.76%) ASP.NET
14 16 (5.42%) jQuery
15 14 (4.75%) ASP.NET MVC
16 13 (4.41%) AngularJS
17 12 (4.07%) GraphQL
17 12 (4.07%) Spring Boot
17 12 (4.07%) Web Services
Miscellaneous
1 17 (5.76%) Product Ownership
2 13 (4.41%) Cloud Native
3 8 (2.71%) Algorithms
3 8 (2.71%) Distributed Systems
4 7 (2.37%) Foreign Exchange (FX)
4 7 (2.37%) Self-Motivation
5 6 (2.03%) Data Protection Act
5 6 (2.03%) Greenfield Project
5 6 (2.03%) Mobile App
6 5 (1.69%) Fixed Income
6 5 (1.69%) Team-Oriented Environment
7 4 (1.36%) Data Structures
7 4 (1.36%) Derivative
7 4 (1.36%) Equity Derivative
8 3 (1.02%) Blockchain
8 3 (1.02%) Contactless
8 3 (1.02%) Management Information System
8 3 (1.02%) Market Risk
9 2 (0.68%) Web 2.0
10 1 (0.34%) NHS
Operating Systems
1 12 (4.07%) Linux
2 7 (2.37%) Android
3 5 (1.69%) Apple iOS
3 5 (1.69%) Windows
4 4 (1.36%) Embedded Linux
5 3 (1.02%) Ubuntu
6 2 (0.68%) Debian
7 1 (0.34%) Red Hat Enterprise Linux
7 1 (0.34%) Unix
Processes & Methodologies
1 162 (54.92%) Agile
2 113 (38.31%) TDD
3 112 (37.97%) DevOps
4 66 (22.37%) Software Engineering
5 64 (21.69%) Microservices
6 63 (21.36%) OO
7 58 (19.66%) Problem-Solving
8 54 (18.31%) OOD
9 47 (15.93%) CI/CD
10 44 (14.92%) Front End Development
11 40 (13.56%) Unit Testing
12 39 (13.22%) Pair Programming
13 38 (12.88%) Secure Coding
14 36 (12.20%) API Management
15 32 (10.85%) Design Patterns
16 29 (9.83%) Full Stack Development
17 26 (8.81%) Scrum
17 26 (8.81%) SOLID
18 25 (8.47%) User Experience
19 24 (8.14%) Computer Science
Programming Languages
1 90 (30.51%) JavaScript
2 87 (29.49%) C#
3 66 (22.37%) TypeScript
4 60 (20.34%) SQL
5 48 (16.27%) Java
6 40 (13.56%) Bicep
7 33 (11.19%) Python
8 31 (10.51%) Scala
9 22 (7.46%) Go
10 21 (7.12%) PL/SQL
11 14 (4.75%) C++
12 9 (3.05%) Bash
12 9 (3.05%) PHP
13 6 (2.03%) Kotlin
14 5 (1.69%) Objective-C
14 5 (1.69%) Swift
15 4 (1.36%) Perl
16 2 (0.68%) Rust
16 2 (0.68%) Shell Script
17 1 (0.34%) Apex Code
Qualifications
1 34 (11.53%) Security Cleared
2 28 (9.49%) SC Cleared
3 20 (6.78%) Degree
4 18 (6.10%) Computer Science Degree
5 6 (2.03%) Master's Degree
6 4 (1.36%) DV Cleared
7 1 (0.34%) BPSS Clearance
7 1 (0.34%) Sun Certification
Quality Assurance & Compliance
1 18 (6.10%) Accessibility
2 13 (4.41%) WCAG
3 6 (2.03%) QA
4 4 (1.36%) MiFID
5 1 (0.34%) SLA
System Software
1 34 (11.53%) Active Directory
2 20 (6.78%) Docker
3 4 (1.36%) zsh
4 2 (0.68%) VMware Infrastructure
5 1 (0.34%) HDFS
Systems Management
1 37 (12.54%) Kubernetes
2 7 (2.37%) Terraform
3 1 (0.34%) Grafana
3 1 (0.34%) Podman
3 1 (0.34%) Single Sign-On
Vendors
1 34 (11.53%) Microsoft
2 30 (10.17%) Oracle
3 17 (5.76%) Typelevel
4 9 (3.05%) SAP
5 8 (2.71%) Google
6 5 (1.69%) ESRI
7 4 (1.36%) Apple
7 4 (1.36%) Salesforce
8 3 (1.02%) Red Hat
8 3 (1.02%) ServiceNow
8 3 (1.02%) Virgin Media
8 3 (1.02%) VMware
9 2 (0.68%) NVIDIA
10 1 (0.34%) Brio
10 1 (0.34%) Confluent
10 1 (0.34%) Databricks
10 1 (0.34%) Dynatrace
10 1 (0.34%) Remedy
10 1 (0.34%) Solace
10 1 (0.34%) Splunk