Period
to 24 January 2022

The following table provides summary statistics for permanent job vacancies with a requirement for Clean Code skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Clean Code over the 6 months to 24 January 2022 with a comparison to the same period in the previous 2 years.

Clean Code
UK
6 months to
24 Jan 2022
Same period 2021 Same period 2020
Rank 219 272 266
Rank change year-on-year +53 -6 +33
Permanent jobs citing Clean Code 2,171 748 1,557
As % of all permanent jobs advertised in the UK 1.69% 1.19% 1.24%
As % of the Processes & Methodologies category 1.79% 1.28% 1.34%
Number of salaries quoted 920 686 1,153
10th Percentile £36,250 £35,000 £32,500
25th Percentile £45,000 £43,750 £40,000
Median annual salary (50th Percentile) £62,500 £57,500 £55,000
Median % change year-on-year +8.70% +4.55% -
75th Percentile £79,813 £77,500 £73,750
90th Percentile £105,000 £95,000 £85,000
UK excluding London median annual salary £50,000 £50,000 £46,000
% change year-on-year - +8.70% +2.22%

Clean Code is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for process or methodology skills.

All Process and Methodology Skills
UK
Permanent vacancies with a requirement for process or methodology skills 121,078 58,654 116,479
As % of all permanent IT jobs advertised in the UK 94.04% 93.11% 92.60%
Number of salaries quoted 78,552 47,770 93,417
10th Percentile £33,500 £32,500 £30,000
25th Percentile £43,750 £41,500 £38,750
Median annual salary (50th Percentile) £60,000 £55,000 £52,500
Median % change year-on-year +9.09% +4.76% -
75th Percentile £78,750 £73,750 £71,250
90th Percentile £95,000 £88,750 £87,500
UK excluding London median annual salary £50,000 £49,000 £46,138
% change year-on-year +2.04% +6.20% +2.53%

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
Salary Trend

3-month moving average salary quoted in jobs citing Clean Code.

Salary trend for Clean Code in the UK

Clean Code
Salary Histogram

Salary distribution for jobs citing Clean Code over the 6 months to 24 January 2022.

Salary histogram for Clean Code in the UK

Clean Code
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Clean Code within the UK over the 6 months to 24 January 2022. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
England +31 1,677 £62,500 +4.17% 324
London +65 1,035 £76,500 +5.52% 164
UK excluding London -50 675 £50,000 - 183
Work from Home -7 484 £65,000 +13.04% 83
South East -47 194 £60,000 +9.09% 33
North of England -60 171 £50,000 +5.26% 72
Midlands -60 116 £50,000 +8.11% 27
North West -53 99 £53,112 +6.22% 41
South West -11 80 £50,000 +11.11% 19
West Midlands -53 72 £48,750 +8.33% 11
Scotland -29 55 £65,000 +52.94% 14
East of England -60 50 £47,500 +22.58% 7
East Midlands -33 44 £50,000 - 15
Yorkshire -79 41 £50,000 +8.11% 16
North East -6 31 £29,500 -30.18% 15
Northern Ireland -22 10 £35,000 -12.50% 4
Wales -44 7 £35,534 -21.04% 7

For the 6 months to 24 January 2022, IT jobs citing Clean Code also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for Clean Code.

1 1,316 (60.62%) Agile Software Development
2 912 (42.01%) JavaScript
3 816 (37.59%) Software Engineering
4 764 (35.19%) React
5 722 (33.26%) AWS
6 636 (29.30%) Git (software)
7 584 (26.90%) TDD
8 578 (26.62%) Java
9 564 (25.98%) Docker
10 556 (25.61%) DevOps
11 550 (25.33%) CI/CD
12 513 (23.63%) Finance
13 495 (22.80%) Microservices
14 492 (22.66%) Kubernetes
15 483 (22.25%) CSS
16 465 (21.42%) Full Stack Development
17 464 (21.37%) C#
17 464 (21.37%) Node.js
18 458 (21.10%) Python
19 448 (20.64%) HTML
20 444 (20.45%) .NET
21 437 (20.13%) Azure
22 435 (20.04%) TypeScript
23 427 (19.67%) OO
24 404 (18.61%) Scrum
25 376 (17.32%) Social Skills
26 366 (16.86%) SQL
27 364 (16.77%) User Experience
28 351 (16.17%) Front End Development
28 351 (16.17%) Test Automation

Clean Code
Co-occurring IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 127 (5.85%) Elasticsearch
2 106 (4.88%) CMS
3 63 (2.90%) Apache
4 47 (2.16%) Apache Spark
5 36 (1.66%) Ethereum
6 31 (1.43%) GemFire
7 29 (1.34%) Umbraco
8 26 (1.20%) Confluence
9 22 (1.01%) Kentico
9 22 (1.01%) Sitecore CMS
10 20 (0.92%) EPiServer
11 12 (0.55%) Apache Solr
11 12 (0.55%) nginx
11 12 (0.55%) Tomcat
12 11 (0.51%) Headless CMS
13 8 (0.37%) Camunda
13 8 (0.37%) Hyperledger
14 7 (0.32%) Apache Airflow
14 7 (0.32%) Gunicorn
15 6 (0.28%) WordPress
Applications
1 27 (1.24%) Sketch
2 21 (0.97%) Photoshop
3 18 (0.83%) Adobe XD
4 16 (0.74%) Microsoft Office
5 12 (0.55%) Adobe Illustrator
6 5 (0.23%) Spreadsheet
6 5 (0.23%) Zeplin
7 2 (0.092%) Microsoft Excel
Business Applications
1 11 (0.51%) Payment Gateway
2 9 (0.41%) Salesforce.com CRM
3 8 (0.37%) Distributed Ledger
3 8 (0.37%) Magento
3 8 (0.37%) R3 Corda
4 6 (0.28%) Oracle BPM
5 4 (0.18%) MetaTrader
6 3 (0.14%) Shopify
7 1 (0.046%) SDL Web 8
7 1 (0.046%) Sentinel
Cloud Services
1 722 (33.26%) AWS
2 437 (20.13%) Azure
3 253 (11.65%) GitHub
4 234 (10.78%) GCP
5 209 (9.63%) Serverless
6 156 (7.19%) SaaS
7 146 (6.73%) AWS Lambda
8 90 (4.15%) npm
9 75 (3.45%) Cloud Computing
10 72 (3.32%) Amazon Kinesis
11 71 (3.27%) Amazon S3
12 54 (2.49%) Amazon EC2
13 42 (1.93%) Figma
14 38 (1.75%) Amazon EKS
15 36 (1.66%) Heroku
16 32 (1.47%) Datadog
17 30 (1.38%) Power Platform
18 29 (1.34%) Amazon SQS
19 27 (1.24%) Azure Service Bus
19 27 (1.24%) Slack
Communications & Networking
1 96 (4.42%) HTTP
2 64 (2.95%) Internet
3 29 (1.34%) Broadband
4 15 (0.69%) MQTT
5 13 (0.60%) PPP
5 13 (0.60%) SMTP
6 11 (0.51%) SSH
6 11 (0.51%) Wi-Fi
7 7 (0.32%) DNS
8 5 (0.23%) FTP
8 5 (0.23%) NFC
8 5 (0.23%) TCP/IP
9 2 (0.092%) AMQP
9 2 (0.092%) DHCP
9 2 (0.092%) Firewall
9 2 (0.092%) VLAN
9 2 (0.092%) VPN
9 2 (0.092%) Wireless
10 1 (0.046%) Peer-to-Peer Networking
10 1 (0.046%) SNMP
Database & Business Intelligence
1 315 (14.51%) MySQL
2 273 (12.57%) PostgreSQL
3 248 (11.42%) NoSQL
4 213 (9.81%) Relational Database
5 172 (7.92%) SQL Server
6 168 (7.74%) Redis
7 116 (5.34%) Blockchain
8 107 (4.93%) MongoDB
9 71 (3.27%) Big Data
10 64 (2.95%) Amazon DynamoDB
11 37 (1.70%) HBase
12 36 (1.66%) Amazon RDS
13 34 (1.57%) MariaDB
14 31 (1.43%) Data Warehouse
15 30 (1.38%) RDBMS
16 29 (1.34%) Power BI
17 21 (0.97%) Hadoop
18 18 (0.83%) Apache Cassandra
19 16 (0.74%) Amazon Aurora
20 14 (0.64%) Couchbase
Development Applications
1 636 (29.30%) Git (software)
2 231 (10.64%) Jenkins
3 142 (6.54%) JIRA
4 131 (6.03%) GitLab
5 111 (5.11%) webpack
6 96 (4.42%) Gradle
7 89 (4.10%) Cucumber
8 85 (3.92%) Selenium
9 82 (3.78%) Cypress.io
10 63 (2.90%) Maven
11 57 (2.63%) CircleCI
11 57 (2.63%) JUnit
12 50 (2.30%) Bitbucket
13 48 (2.21%) Postman
13 48 (2.21%) SonarQube
14 47 (2.16%) Artifactory
15 46 (2.12%) Storybook
16 41 (1.89%) Mockito
17 40 (1.84%) Eclipse
18 39 (1.80%) IntelliJ
General
1 513 (23.63%) Finance
2 376 (17.32%) Social Skills
3 173 (7.97%) Retail
4 144 (6.63%) Marketing
5 141 (6.49%) Analytical Skills
6 134 (6.17%) Inclusion and Diversity
7 125 (5.76%) Banking
8 115 (5.30%) Public Sector
9 105 (4.84%) Games
10 57 (2.63%) Law
11 47 (2.16%) Manufacturing
12 36 (1.66%) Financial Institution
13 32 (1.47%) Organisational Skills
14 22 (1.01%) Automotive
15 21 (0.97%) Publishing
16 17 (0.78%) Back Office
16 17 (0.78%) Electronics
16 17 (0.78%) Presentation Skills
17 16 (0.74%) Front Office
18 15 (0.69%) Aerospace
Job Titles
1 1,207 (55.60%) Developer
2 468 (21.56%) Software Engineer
3 322 (14.83%) Senior Developer
4 181 (8.34%) Front End Developer (Client-Side Developer)
5 155 (7.14%) Full Stack Developer
6 150 (6.91%) Software Developer
7 131 (6.03%) Senior Software Engineer
8 127 (5.85%) Java Engineer
9 114 (5.25%) Java Developer
10 111 (5.11%) React Developer
11 102 (4.70%) C# Developer
12 100 (4.61%) .NET Developer
13 94 (4.33%) PHP Developer
14 87 (4.01%) Backend Developer
15 80 (3.68%) Lead Developer
16 51 (2.35%) iOS Developer
17 47 (2.16%) JavaScript Developer
18 46 (2.12%) Senior Front-End Developer
19 45 (2.07%) C# .NET Developer
20 43 (1.98%) Senior Full Stack Developer
Libraries, Frameworks & Software Standards
1 764 (35.19%) React
2 483 (22.25%) CSS
3 464 (21.37%) Node.js
4 448 (20.64%) HTML
5 444 (20.45%) .NET
6 329 (15.15%) REST
7 272 (12.53%) RESTful
8 263 (12.11%) Kafka
9 255 (11.75%) AngularJS
10 234 (10.78%) GraphQL
11 219 (10.09%) .NET Core
12 217 (10.00%) Spring
13 181 (8.34%) Vue.js
14 148 (6.82%) .NET Framework
15 147 (6.77%) Redux
16 145 (6.68%) HTML5
17 140 (6.45%) jQuery
18 134 (6.17%) ASP.NET
19 125 (5.76%) Spring Boot
20 121 (5.57%) RabbitMQ
Miscellaneous
1 364 (16.77%) User Experience
2 167 (7.69%) Cloud Native
3 166 (7.65%) Mobile App
4 164 (7.55%) Algorithms
5 124 (5.71%) Self-Motivation
6 112 (5.16%) Legacy Code
7 106 (4.88%) Virtual Team
8 86 (3.96%) Data Structures
9 69 (3.18%) Cardano
10 56 (2.58%) Greenfield Project
11 51 (2.35%) Enterprise Software
12 43 (1.98%) Social Media
13 35 (1.61%) Public Cloud
14 31 (1.43%) Linux Command Line
15 28 (1.29%) NHS
16 25 (1.15%) Web3
17 24 (1.11%) Internet of Things
17 24 (1.11%) iPad
17 24 (1.11%) iPhone
18 22 (1.01%) Xbox
Operating Systems
1 180 (8.29%) Linux
2 131 (6.03%) Apple iOS
3 96 (4.42%) Android
4 71 (3.27%) Windows
5 63 (2.90%) Unix
6 25 (1.15%) Mac OS
7 23 (1.06%) Ubuntu
8 13 (0.60%) Debian
9 11 (0.51%) CentOS
10 8 (0.37%) Embedded Linux
11 6 (0.28%) Mac OS X
12 3 (0.14%) Red Hat Enterprise Linux
13 2 (0.092%) Fedora
Processes & Methodologies
1 1,316 (60.62%) Agile Software Development
2 816 (37.59%) Software Engineering
3 584 (26.90%) TDD
4 556 (25.61%) DevOps
5 550 (25.33%) CI/CD
6 495 (22.80%) Microservices
7 465 (21.42%) Full Stack Development
8 427 (19.67%) OO
9 404 (18.61%) Scrum
10 351 (16.17%) Front End Development
10 351 (16.17%) Test Automation
11 323 (14.88%) Mentoring
12 316 (14.56%) Computer Science
13 313 (14.42%) Fintech
14 302 (13.91%) Continuous Integration
15 298 (13.73%) Problem-Solving
16 214 (9.86%) BDD
17 195 (8.98%) SDLC
18 178 (8.20%) E-Commerce
19 175 (8.06%) Continuous Improvement
Programming Languages
1 912 (42.01%) JavaScript
2 578 (26.62%) Java
3 464 (21.37%) C#
4 458 (21.10%) Python
5 435 (20.04%) TypeScript
6 366 (16.86%) SQL
7 240 (11.05%) PHP
8 136 (6.26%) Ruby
9 107 (4.93%) Kotlin
10 103 (4.74%) C++
11 102 (4.70%) Go
12 94 (4.33%) ES6
13 89 (4.10%) Scala
14 69 (3.18%) Java 8
15 68 (3.13%) Java 11
16 67 (3.09%) C
17 62 (2.86%) Apple Swift
18 42 (1.93%) PHP 7
19 39 (1.80%) Rust
20 38 (1.75%) T-SQL
Qualifications
1 315 (14.51%) Degree
2 174 (8.01%) Computer Science Degree
3 37 (1.70%) Oracle Certification
4 36 (1.66%) OCP
5 29 (1.34%) Security Cleared
6 28 (1.29%) Six Sigma Black Belt
7 22 (1.01%) SC Cleared
8 20 (0.92%) AWS Certification
9 19 (0.88%) PhD
10 18 (0.83%) Master's Degree
11 10 (0.46%) DBS Check
12 7 (0.32%) MBA
13 6 (0.28%) DV Cleared
13 6 (0.28%) Microsoft Certification
13 6 (0.28%) Postgraduate
14 2 (0.092%) Numerate Degree
15 1 (0.046%) CFA
Quality Assurance & Compliance
1 307 (14.14%) QA
2 86 (3.96%) Accessibility
3 13 (0.60%) WCAG
4 11 (0.51%) GDPR
5 9 (0.41%) Data Quality
6 7 (0.32%) GRC
7 5 (0.23%) SNOMED CT
8 4 (0.18%) Solvency II
9 1 (0.046%) HL7
9 1 (0.046%) SLA
System Software
1 564 (25.98%) Docker
2 41 (1.89%) VMware Infrastructure
3 31 (1.43%) HDFS
4 29 (1.34%) Virtual Machines
5 6 (0.28%) LXC
6 5 (0.23%) Varnish
7 4 (0.18%) Firmware
8 3 (0.14%) Active Directory
9 2 (0.092%) VirtualBox
10 1 (0.046%) Apache Flume
Systems Management
1 492 (22.66%) Kubernetes
2 178 (8.20%) Terraform
3 67 (3.09%) Ansible
4 30 (1.38%) Prometheus
5 7 (0.32%) Istio
5 7 (0.32%) Puppet
6 6 (0.28%) Sysdig
7 4 (0.18%) Argo
7 4 (0.18%) Capistrano
8 1 (0.046%) collectd
8 1 (0.046%) Consul
8 1 (0.046%) Docker Swarm
8 1 (0.046%) Fluentd
8 1 (0.046%) Grafana
8 1 (0.046%) logstash
8 1 (0.046%) MOM
8 1 (0.046%) Nagios
8 1 (0.046%) Plesk
8 1 (0.046%) SCCM
Vendors
1 226 (10.41%) Microsoft
2 184 (8.48%) Google
3 43 (1.98%) Samsung
4 42 (1.93%) VMware
5 40 (1.84%) Apple
5 40 (1.84%) Spotify
6 35 (1.61%) Adobe
7 33 (1.52%) Optimizely
8 32 (1.47%) Okta
9 31 (1.43%) Oracle
10 24 (1.11%) Salesforce.com
10 24 (1.11%) Xamarin
11 22 (1.01%) Atlassian
11 22 (1.01%) Sitecore
12 21 (0.97%) Confluent
13 14 (0.64%) New Relic
14 13 (0.60%) Zend
15 12 (0.55%) NEC
15 12 (0.55%) Northgate
16 11 (0.51%) Dell