Period
to

The following table provides summary statistics for permanent job vacancies advertised in England with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 6 months to 1 July 2022 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > England
6 months to
1 Jul 2022
Same period 2021 Same period 2020
Rank 41 35 29
Rank change year-on-year -6 -6 +1
Permanent jobs citing TDD 10,846 6,591 5,517
As % of all permanent jobs advertised in England 7.22% 6.95% 7.59%
As % of the Processes & Methodologies category 7.57% 7.39% 8.15%
Number of salaries quoted 3,855 4,349 4,800
10th Percentile £43,750 £41,000 £37,500
25th Percentile £52,500 £48,000 £45,000
Median annual salary (50th Percentile) £67,500 £60,000 £60,000
Median % change year-on-year +12.50% - +9.09%
75th Percentile £87,500 £78,750 £77,500
90th Percentile £100,000 £92,500 £92,500
UK median annual salary £66,893 £60,000 £60,000
% change year-on-year +11.49% - +9.09%

TDD 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 advertised in England with a requirement for process or methodology skills.

All Process and Methodology Skills
England
Permanent vacancies with a requirement for process or methodology skills 143,195 89,175 67,657
As % of all permanent IT jobs advertised in England 95.33% 94.03% 93.03%
Number of salaries quoted 74,995 62,554 55,189
10th Percentile £33,750 £32,500 £32,000
25th Percentile £45,000 £42,500 £41,250
Median annual salary (50th Percentile) £60,000 £56,757 £55,000
Median % change year-on-year +5.71% +3.19% +4.76%
75th Percentile £80,000 £75,000 £75,000
90th Percentile £97,500 £92,500 £90,000
UK median annual salary £60,000 £55,000 £55,000
% change year-on-year +9.09% - +4.76%

TDD
Job Vacancy Trend in England

Job postings citing TDD as a proportion of all IT jobs advertised in England.

Job vacancy trend for TDD in England

TDD
Salary Trend in England

3-month moving average salary quoted in jobs citing TDD in England.

Salary trend for TDD in England

TDD
Salary Histogram in England

Salary distribution for jobs citing TDD in England over the 6 months to 1 July 2022.

Salary histogram for TDD in England

TDD
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the England region over the 6 months to 1 July 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
London -3 7,298 £80,000 +6.67% 412
North of England -9 1,141 £57,500 +4.55% 129
South East -25 1,118 £60,000 +9.09% 84
North West -5 703 £60,000 +9.78% 72
Midlands -20 435 £57,250 +9.05% 48
South West -13 434 £61,040 +16.27% 52
Yorkshire -12 402 £55,000 - 47
West Midlands -29 304 £60,000 +9.09% 33
East of England -17 294 £60,000 - 24
East Midlands -28 117 £52,500 +5.00% 15
North East -13 36 £55,750 +3.72% 10
TDD
UK

For the 6 months to 1 July 2022, IT jobs citing TDD 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 across the England region with a requirement for TDD.

1 8,172 (75.35%) Agile
2 4,926 (45.42%) Java
3 4,582 (42.25%) Software Engineering
4 4,564 (42.08%) CI/CD
5 4,431 (40.85%) JavaScript
6 4,385 (40.43%) AWS
7 3,908 (36.03%) BDD
8 3,532 (32.57%) Microservices
9 3,325 (30.66%) React
10 3,197 (29.48%) DevOps
11 3,160 (29.14%) Docker
12 3,086 (28.45%) Finance
13 2,969 (27.37%) Azure
14 2,968 (27.36%) Python
15 2,944 (27.14%) Git (software)
16 2,909 (26.82%) Test Automation
17 2,900 (26.74%) Kubernetes
18 2,893 (26.67%) Scrum
19 2,617 (24.13%) C#
20 2,601 (23.98%) Continuous Integration
21 2,580 (23.79%) SQL
22 2,477 (22.84%) .NET
23 2,411 (22.23%) Full Stack Development
24 2,263 (20.86%) Mentoring
25 2,229 (20.55%) CSS
26 2,206 (20.34%) HTML
27 2,187 (20.16%) Node.js
28 2,134 (19.68%) Social Skills
29 1,919 (17.69%) Serverless
30 1,831 (16.88%) GCP

TDD
Co-occurring IT Skills in England 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
1 335 (3.09%) Apache Spark
2 258 (2.38%) Confluence
3 244 (2.25%) CMS
4 229 (2.11%) Apache
5 102 (0.94%) Cloud Foundry
6 78 (0.72%) nginx
7 72 (0.66%) Apache Airflow
8 71 (0.65%) IIS
9 66 (0.61%) WordPress
10 55 (0.51%) Headless CMS
11 42 (0.39%) Jetty
12 33 (0.30%) WebSphere
13 32 (0.30%) JBoss
14 31 (0.29%) Drupal
15 29 (0.27%) SharePoint
16 28 (0.26%) Apache Solr
17 27 (0.25%) Camunda
18 24 (0.22%) GemFire
18 24 (0.22%) Oracle Workflow
19 23 (0.21%) ColdFusion
Applications
1 76 (0.70%) Microsoft Excel
2 40 (0.37%) Microsoft Office
3 29 (0.27%) Photoshop
4 20 (0.18%) Microsoft PowerPoint
5 18 (0.17%) Sketch
6 14 (0.13%) MS Visio
7 13 (0.12%) Adobe XD
7 13 (0.12%) InVision
7 13 (0.12%) Spreadsheet
8 9 (0.083%) Maple
9 8 (0.074%) Maya
10 6 (0.055%) Microsoft Project
11 5 (0.046%) Chatbot
11 5 (0.046%) NUKE
12 3 (0.028%) Blender
13 2 (0.018%) Simulink
14 1 (0.009%) Adobe Illustrator
Business Applications
1 46 (0.42%) Oracle BPM
2 33 (0.30%) Dynamics CRM
3 19 (0.18%) Academy Housing
3 19 (0.18%) Payment Gateway
4 14 (0.13%) Magento
4 14 (0.13%) SAP Hybris
5 13 (0.12%) Ripple
5 13 (0.12%) Ripple XRP
6 9 (0.083%) Distributed Ledger
7 8 (0.074%) Academy Revenues and Benefits
7 8 (0.074%) Oracle ERP
8 7 (0.065%) Summit
9 5 (0.046%) MetaTrader
10 4 (0.037%) R3 Corda
11 2 (0.018%) Oracle Financials
11 2 (0.018%) Shopify
12 1 (0.009%) Dynamics AX
12 1 (0.009%) SAP S/4HANA
Cloud Services
1 4,385 (40.43%) AWS
2 2,969 (27.37%) Azure
3 1,919 (17.69%) Serverless
4 1,831 (16.88%) GCP
5 1,092 (10.07%) AWS Lambda
6 754 (6.95%) GitHub
7 629 (5.80%) SaaS
8 506 (4.67%) Amazon S3
9 493 (4.55%) Azure DevOps
10 337 (3.11%) OpenShift
11 283 (2.61%) AWS CloudFormation
12 279 (2.57%) Amazon ECS
12 279 (2.57%) Cloud Computing
13 268 (2.47%) Amazon EC2
14 247 (2.28%) PaaS
15 241 (2.22%) Amazon SQS
16 204 (1.88%) Cloud Functions
17 192 (1.77%) npm
18 189 (1.74%) Amazon CloudWatch
19 144 (1.33%) GitHub Actions
Communications & Networking
1 321 (2.96%) Internet
2 279 (2.57%) Broadband
3 265 (2.44%) HTTP
4 70 (0.65%) TCP/IP
5 59 (0.54%) VoIP
6 43 (0.40%) WebEx
7 42 (0.39%) MQTT
8 39 (0.36%) PPP
9 32 (0.30%) HTTPS
10 28 (0.26%) NFC
11 24 (0.22%) Wireless
12 21 (0.19%) Modbus
12 21 (0.19%) RS-422
12 21 (0.19%) RS-485
13 20 (0.18%) Network Security
14 16 (0.15%) DNS
14 16 (0.15%) SSL
15 15 (0.14%) AMQP
16 14 (0.13%) Skype
17 13 (0.12%) Intranet
Database & Business Intelligence
1 1,309 (12.07%) MySQL
2 1,298 (11.97%) NoSQL
3 1,120 (10.33%) PostgreSQL
4 962 (8.87%) SQL Server
5 813 (7.50%) MongoDB
6 764 (7.04%) Relational Database
7 567 (5.23%) Big Data
8 565 (5.21%) Redis
9 452 (4.17%) Elasticsearch
10 315 (2.90%) DynamoDB
11 294 (2.71%) Apache Cassandra
12 230 (2.12%) Amazon RDS
13 229 (2.11%) RDBMS
14 207 (1.91%) Flink
15 183 (1.69%) Amazon Aurora
16 170 (1.57%) Data Warehouse
17 166 (1.53%) Amazon Athena
18 147 (1.36%) Hadoop
19 139 (1.28%) Data Lake
20 125 (1.15%) BigQuery
Development Applications
1 2,944 (27.14%) Git (software)
2 1,691 (15.59%) Jenkins
3 1,110 (10.23%) JIRA
4 743 (6.85%) Selenium
5 687 (6.33%) Maven
6 578 (5.33%) JUnit
7 543 (5.01%) Cucumber
8 539 (4.97%) Gradle
9 507 (4.67%) GitLab
10 402 (3.71%) Cypress.io
11 336 (3.10%) Mockito
12 330 (3.04%) TeamCity
12 330 (3.04%) webpack
13 320 (2.95%) Subversion
14 280 (2.58%) Bitbucket
15 279 (2.57%) Octopus Deploy
16 277 (2.55%) Jasmine
17 254 (2.34%) Ant
18 230 (2.12%) Visual Studio
19 224 (2.07%) SonarQube
General
1 3,086 (28.45%) Finance
2 2,134 (19.68%) Social Skills
3 1,054 (9.72%) Banking
4 879 (8.10%) Inclusion and Diversity
5 655 (6.04%) Games
6 640 (5.90%) Analytical Skills
7 570 (5.26%) Retail
8 538 (4.96%) Manufacturing
9 509 (4.69%) Marketing
10 345 (3.18%) Public Sector
11 291 (2.68%) Legal
12 219 (2.02%) Law
13 213 (1.96%) Financial Institution
14 165 (1.52%) Advertising
15 156 (1.44%) Automotive
16 147 (1.36%) Organisational Skills
17 140 (1.29%) Front Office
18 130 (1.20%) Telecoms
19 122 (1.12%) Publishing
20 112 (1.03%) Pharmaceutical
Job Titles
1 4,881 (45.00%) Developer
2 2,502 (23.07%) Software Engineer
3 1,584 (14.60%) Senior Developer
4 1,224 (11.29%) Java Developer
5 994 (9.16%) Senior Software Engineer
6 808 (7.45%) Software Developer
7 751 (6.92%) Java Engineer
8 614 (5.66%) Full Stack Developer
9 535 (4.93%) .NET Developer
10 476 (4.39%) Front End Developer (Client-Side Developer)
11 446 (4.11%) Senior Java Developer
12 417 (3.84%) Lead Developer
13 415 (3.83%) Senior Java Engineer
14 401 (3.70%) C# Developer
15 297 (2.74%) Technical Leader
16 268 (2.47%) Java Software Engineer
17 266 (2.45%) React Developer
18 246 (2.27%) Principal Engineer
19 244 (2.25%) Backend Developer
20 242 (2.23%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 3,325 (30.66%) React
2 2,477 (22.84%) .NET
3 2,229 (20.55%) CSS
4 2,206 (20.34%) HTML
5 2,187 (20.16%) Node.js
6 1,778 (16.39%) AngularJS
7 1,728 (15.93%) Spring
8 1,585 (14.61%) REST
9 1,515 (13.97%) RESTful
10 1,225 (11.29%) Spring Boot
11 1,201 (11.07%) Kafka
12 1,048 (9.66%) .NET Core
13 954 (8.80%) HTML5
14 920 (8.48%) Vue.js
15 871 (8.03%) ASP.NET
16 841 (7.75%) Web Services
17 722 (6.66%) GraphQL
18 714 (6.58%) CSS3
19 629 (5.80%) .NET Framework
20 575 (5.30%) Jest
Miscellaneous
1 995 (9.17%) Algorithms
2 936 (8.63%) Data Structures
3 867 (7.99%) User Experience
4 708 (6.53%) Cloud Native
5 561 (5.17%) Greenfield Project
6 520 (4.79%) Self-Motivation
7 477 (4.40%) Life Science
8 459 (4.23%) Mobile App
9 361 (3.33%) Enterprise Software
10 341 (3.14%) Public Cloud
11 276 (2.54%) Blog
12 257 (2.37%) Virtual Team
13 247 (2.28%) Social Media
14 230 (2.12%) Linux Command Line
15 198 (1.83%) Social Network
16 178 (1.64%) Video\Live Streaming
17 161 (1.48%) Foreign Exchange (FX)
18 131 (1.21%) Hackathon
19 128 (1.18%) Sports Betting
20 124 (1.14%) Over-the-Top Content
Operating Systems
1 1,172 (10.81%) Linux
2 626 (5.77%) Unix
3 519 (4.79%) Android
4 447 (4.12%) Windows
5 442 (4.08%) Apple iOS
6 108 (1.00%) Ubuntu
7 78 (0.72%) VMS
8 73 (0.67%) Mesosphere
9 56 (0.52%) Mac OS X
10 31 (0.29%) CentOS
11 26 (0.24%) Windows Server
12 24 (0.22%) Mac OS
13 8 (0.074%) Embedded Linux
14 7 (0.065%) Tizen
14 7 (0.065%) webOS
15 2 (0.018%) Android TV
15 2 (0.018%) Angstrom
15 2 (0.018%) FreeBSD
16 1 (0.009%) Debian
16 1 (0.009%) OpenWrt
Processes & Methodologies
1 8,172 (75.35%) Agile
2 4,582 (42.25%) Software Engineering
3 4,564 (42.08%) CI/CD
4 3,908 (36.03%) BDD
5 3,532 (32.57%) Microservices
6 3,197 (29.48%) DevOps
7 2,909 (26.82%) Test Automation
8 2,893 (26.67%) Scrum
9 2,601 (23.98%) Continuous Integration
10 2,411 (22.23%) Full Stack Development
11 2,263 (20.86%) Mentoring
12 1,819 (16.77%) Pair Programming
13 1,537 (14.17%) Coaching
14 1,438 (13.26%) Problem-Solving
15 1,420 (13.09%) OO
16 1,377 (12.70%) Unit Testing
17 1,273 (11.74%) Kanban
18 1,168 (10.77%) Continuous Delivery
19 1,112 (10.25%) Computer Science
20 1,108 (10.22%) MVC
Programming Languages
1 4,926 (45.42%) Java
2 4,431 (40.85%) JavaScript
3 2,968 (27.36%) Python
4 2,617 (24.13%) C#
5 2,580 (23.79%) SQL
6 1,775 (16.37%) TypeScript
7 785 (7.24%) PHP
8 747 (6.89%) Ruby
9 705 (6.50%) Go
10 690 (6.36%) C++
11 603 (5.56%) Kotlin
12 586 (5.40%) C
13 495 (4.56%) Scala
14 441 (4.07%) PowerShell
15 414 (3.82%) ES6
16 346 (3.19%) Shell Script
17 319 (2.94%) Objective-C
18 271 (2.50%) Perl
19 252 (2.32%) T-SQL
20 178 (1.64%) Groovy
Qualifications
1 1,498 (13.81%) Degree
2 812 (7.49%) Computer Science Degree
3 192 (1.77%) Security Cleared
4 124 (1.14%) SC Cleared
5 93 (0.86%) Master's Degree
6 92 (0.85%) Microsoft Certification
7 70 (0.65%) PMI Certification
8 56 (0.52%) Numerate Degree
9 53 (0.49%) ISTQB
10 38 (0.35%) ISEB
11 32 (0.30%) AWS Certification
12 31 (0.29%) PhD
13 16 (0.15%) ISTQB Foundation Certification
14 15 (0.14%) IIBA
15 11 (0.10%) MCAD
15 11 (0.10%) Postgraduate
16 10 (0.092%) DBS Check
17 9 (0.083%) MCPD
17 9 (0.083%) MCSD
18 8 (0.074%) DV Cleared
Quality Assurance & Compliance
1 1,143 (10.54%) QA
2 516 (4.76%) Accessibility
3 74 (0.68%) SLA
4 32 (0.30%) GDPR
5 28 (0.26%) Data Quality
6 22 (0.20%) EMIR
6 22 (0.20%) MiFID
7 20 (0.18%) ISO 9001
8 17 (0.16%) ISO/IEC 27001
9 15 (0.14%) WAI
10 14 (0.13%) PCI DSS
11 13 (0.12%) HL7
12 12 (0.11%) Cyber Essentials
12 12 (0.11%) Cyber Essentials PLUS
13 8 (0.074%) WCAG
14 7 (0.065%) PMO
15 3 (0.028%) FATCA
16 2 (0.018%) Def Stans
16 2 (0.018%) MISRA
17 1 (0.009%) ISO 20022
System Software
1 3,160 (29.14%) Docker
2 60 (0.55%) Apache ZooKeeper
3 42 (0.39%) Active Directory
4 26 (0.24%) VMware Infrastructure
5 24 (0.22%) Firmware
6 22 (0.20%) Virtual Machines
7 3 (0.028%) Postfix
8 2 (0.018%) Hyper-V
8 2 (0.018%) KVM
8 2 (0.018%) Oracle RAC
9 1 (0.009%) Ceph
9 1 (0.009%) HDFS
9 1 (0.009%) NFS
9 1 (0.009%) zsh
Systems Management
1 2,900 (26.74%) Kubernetes
2 1,196 (11.03%) Terraform
3 362 (3.34%) Ansible
4 232 (2.14%) Prometheus
5 227 (2.09%) Opscode Chef
6 212 (1.95%) Grafana
7 207 (1.91%) Puppet
8 133 (1.23%) Kibana
9 122 (1.12%) logstash
10 109 (1.00%) Istio
11 73 (0.67%) Automic
12 59 (0.54%) Consul
13 53 (0.49%) Rancher
14 52 (0.48%) Single Sign-On
15 47 (0.43%) Fortio
15 47 (0.43%) Kiali
16 37 (0.34%) MIIS
17 33 (0.30%) Opsgenie
18 30 (0.28%) ZABBIX
19 28 (0.26%) Pingdom
Vendors
1 1,093 (10.08%) Google
2 977 (9.01%) Microsoft
3 251 (2.31%) Oracle
4 195 (1.80%) Twitter
5 148 (1.36%) Splunk
6 113 (1.04%) Apple
7 99 (0.91%) Zend
8 98 (0.90%) Sun
9 88 (0.81%) Spotify
10 86 (0.79%) LexisNexis
11 78 (0.72%) MuleSoft
12 70 (0.65%) Funding Circle
13 67 (0.62%) Databricks
14 63 (0.58%) Confluent
15 61 (0.56%) TrueLayer
15 61 (0.56%) Zopa
16 60 (0.55%) Revolut
17 58 (0.53%) FIS
18 56 (0.52%) New Relic
18 56 (0.52%) SAP