Period
to 22 January 2022

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 22 January 2022 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > England
6 months to
22 Jan 2022
Same period 2021 Same period 2020
Rank 38 31 28
Rank change year-on-year -7 -3 -3
Permanent jobs citing TDD 7,298 4,311 8,454
As % of all permanent jobs advertised in England 6.55% 7.54% 7.25%
As % of the Processes & Methodologies category 6.96% 8.09% 7.83%
Number of salaries quoted 4,296 3,748 6,938
10th Percentile £42,500 £40,000 £35,000
25th Percentile £50,000 £47,500 £45,000
Median annual salary (50th Percentile) £65,000 £60,000 £60,000
Median % change year-on-year +8.33% - +9.09%
75th Percentile £82,500 £77,500 £75,000
90th Percentile £97,500 £90,000 £87,500
UK median annual salary £65,000 £60,000 £60,000
% change year-on-year +8.33% - +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 104,915 53,287 108,037
As % of all permanent IT jobs advertised in England 94.12% 93.17% 92.63%
Number of salaries quoted 69,831 43,997 87,307
10th Percentile £33,500 £32,500 £30,500
25th Percentile £43,750 £42,500 £38,750
Median annual salary (50th Percentile) £60,000 £55,000 £55,000
Median % change year-on-year +9.09% - +4.76%
75th Percentile £80,000 £73,750 £72,500
90th Percentile £97,500 £90,000 £88,750
UK median annual salary £60,000 £55,000 £52,500
% 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 22 January 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 22 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
London -9 4,161 £75,000 +7.14% 684
South East -3 1,121 £56,500 +2.73% 176
North of England -9 989 £57,500 +15.00% 267
North West -3 596 £60,000 +9.09% 167
Midlands -27 369 £52,500 -4.55% 117
Yorkshire -10 355 £57,500 +15.00% 65
South West -11 330 £52,500 +5.00% 75
West Midlands -42 229 £52,500 -4.55% 73
East of England -32 175 £65,000 +8.33% 59
East Midlands -1 140 £50,000 - 43
North East -43 38 £45,000 -5.26% 35
TDD
UK

For the 6 months to 22 January 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 5,308 (72.73%) Agile Software Development
2 3,056 (41.87%) JavaScript
3 2,797 (38.33%) Software Engineering
4 2,610 (35.76%) Java
5 2,572 (35.24%) CI/CD
6 2,527 (34.63%) AWS
7 2,475 (33.91%) React
8 2,322 (31.82%) C#
9 2,278 (31.21%) BDD
10 2,180 (29.87%) DevOps
11 2,099 (28.76%) Azure
12 2,050 (28.09%) Microservices
13 2,046 (28.04%) Docker
14 1,895 (25.97%) .NET
15 1,795 (24.60%) Git (software)
16 1,783 (24.43%) Scrum
17 1,715 (23.50%) Full Stack Development
18 1,699 (23.28%) SQL
19 1,621 (22.21%) Continuous Integration
20 1,565 (21.44%) Kubernetes
21 1,548 (21.21%) AngularJS
22 1,502 (20.58%) Test Automation
23 1,484 (20.33%) Python
24 1,473 (20.18%) HTML
25 1,449 (19.85%) Finance
26 1,426 (19.54%) CSS
27 1,424 (19.51%) Node.js
28 1,271 (17.42%) Social Skills
29 1,186 (16.25%) TypeScript
30 1,171 (16.05%) Spring

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
1 307 (4.21%) Elasticsearch
2 179 (2.45%) Confluence
3 169 (2.32%) Apache
4 158 (2.16%) CMS
5 137 (1.88%) Apache Spark
6 68 (0.93%) nginx
7 61 (0.84%) WordPress
8 51 (0.70%) GemFire
9 44 (0.60%) IIS
9 44 (0.60%) JBoss
10 38 (0.52%) EPiServer
11 37 (0.51%) Cloud Foundry
12 33 (0.45%) Tomcat
13 29 (0.40%) Jetty
14 24 (0.33%) IBM Domino
15 21 (0.29%) OpenStack
15 21 (0.29%) WebSphere
16 19 (0.26%) Drupal
16 19 (0.26%) Jupyter
17 16 (0.22%) NServiceBus
Applications
1 43 (0.59%) Sketch
2 28 (0.38%) MS Visio
3 26 (0.36%) InVision
4 20 (0.27%) Microsoft Excel
4 20 (0.27%) Simulink
5 18 (0.25%) Spreadsheet
6 16 (0.22%) Microsoft Office
7 10 (0.14%) Chatbot
7 10 (0.14%) Photoshop
8 9 (0.12%) Adobe XD
9 3 (0.041%) Adobe Illustrator
10 1 (0.014%) Microsoft Project
10 1 (0.014%) Zeplin
Business Applications
1 47 (0.64%) Dynamics CRM
2 27 (0.37%) Payment Gateway
3 21 (0.29%) Magento
4 15 (0.21%) Oracle BPM
5 10 (0.14%) Shopify
6 9 (0.12%) Distributed Ledger
6 9 (0.12%) R3 Corda
7 5 (0.069%) Refinitiv Enterprise Platform
7 5 (0.069%) RMDS
8 4 (0.055%) MetaTrader
9 3 (0.041%) IBM Operational Decision Manager
10 2 (0.027%) Actimize
10 2 (0.027%) Dynamics GP
10 2 (0.027%) Salesforce.com CRM
Cloud Services
1 2,527 (34.63%) AWS
2 2,099 (28.76%) Azure
3 973 (13.33%) GCP
4 832 (11.40%) Serverless
5 539 (7.39%) GitHub
6 465 (6.37%) SaaS
7 432 (5.92%) AWS Lambda
8 276 (3.78%) Amazon S3
9 241 (3.30%) AWS CloudFormation
10 197 (2.70%) Amazon EC2
11 159 (2.18%) npm
12 136 (1.86%) Amazon SQS
13 133 (1.82%) PaaS
14 130 (1.78%) Amazon ECS
15 105 (1.44%) Cloud Computing
16 88 (1.21%) Amazon Kinesis
17 87 (1.19%) Azure Functions
18 83 (1.14%) Azure Service Bus
19 82 (1.12%) OpenShift
20 65 (0.89%) Azure Cosmos DB
Communications & Networking
1 232 (3.18%) Broadband
2 177 (2.43%) HTTP
3 62 (0.85%) Internet
4 38 (0.52%) TCP/IP
5 34 (0.47%) DNS
5 34 (0.47%) NFC
6 33 (0.45%) AMQP
6 33 (0.45%) Bluetooth
7 26 (0.36%) MQTT
8 22 (0.30%) DVB
9 18 (0.25%) DSL
9 18 (0.25%) Modbus
9 18 (0.25%) RS-422
9 18 (0.25%) RS-485
9 18 (0.25%) VoIP
10 17 (0.23%) HTTPS
11 16 (0.22%) Calico
12 15 (0.21%) Wi-Fi
13 12 (0.16%) 5G
13 12 (0.16%) WPA
Database & Business Intelligence
1 818 (11.21%) SQL Server
2 817 (11.19%) NoSQL
3 681 (9.33%) MySQL
4 599 (8.21%) PostgreSQL
5 501 (6.86%) Relational Database
6 443 (6.07%) Redis
7 372 (5.10%) MongoDB
8 311 (4.26%) Big Data
9 250 (3.43%) Amazon DynamoDB
10 173 (2.37%) RDBMS
11 141 (1.93%) Amazon RDS
12 129 (1.77%) Amazon Aurora
13 91 (1.25%) Blockchain
14 87 (1.19%) Hadoop
15 85 (1.16%) Apache Cassandra
16 74 (1.01%) Amazon Athena
17 68 (0.93%) HBase
18 64 (0.88%) Azure SQL Database
19 55 (0.75%) BigQuery
20 48 (0.66%) Data Warehouse
Development Applications
1 1,795 (24.60%) Git (software)
2 1,065 (14.59%) Jenkins
3 586 (8.03%) Selenium
4 510 (6.99%) JIRA
5 367 (5.03%) JUnit
6 356 (4.88%) Cucumber
7 343 (4.70%) Cypress.io
8 295 (4.04%) GitLab
9 280 (3.84%) Maven
10 275 (3.77%) Octopus Deploy
11 260 (3.56%) NUnit
12 257 (3.52%) TeamCity
13 227 (3.11%) webpack
14 207 (2.84%) Team Foundation Server
15 194 (2.66%) Mockito
16 193 (2.64%) Gradle
17 185 (2.53%) Postman
18 164 (2.25%) CircleCI
19 161 (2.21%) Visual Studio
20 157 (2.15%) Moq
General
1 1,449 (19.85%) Finance
2 1,271 (17.42%) Social Skills
3 517 (7.08%) Banking
4 377 (5.17%) Analytical Skills
5 349 (4.78%) Inclusion and Diversity
6 342 (4.69%) Retail
7 270 (3.70%) Games
8 208 (2.85%) Public Sector
9 189 (2.59%) Marketing
10 174 (2.38%) Law
11 149 (2.04%) Advertising
12 127 (1.74%) Publishing
13 98 (1.34%) Electronics
14 92 (1.26%) Front Office
15 89 (1.22%) Telecoms
16 87 (1.19%) Manufacturing
17 86 (1.18%) Legal
18 80 (1.10%) Financial Institution
19 77 (1.06%) Investment Banking
20 64 (0.88%) Automotive
Job Titles
1 4,037 (55.32%) Developer
2 1,429 (19.58%) Software Engineer
3 1,236 (16.94%) Senior Developer
4 879 (12.04%) Java Developer
5 646 (8.85%) Software Developer
6 576 (7.89%) Full Stack Developer
7 574 (7.87%) .NET Developer
8 504 (6.91%) C# Developer
9 452 (6.19%) Senior Software Engineer
10 394 (5.40%) Lead Developer
11 359 (4.92%) Front End Developer (Client-Side Developer)
12 328 (4.49%) React Developer
13 290 (3.97%) Java Engineer
14 278 (3.81%) PHP Developer
15 268 (3.67%) Senior Java Developer
16 234 (3.21%) C# .NET Developer
17 229 (3.14%) Senior C# Developer
18 205 (2.81%) Backend Developer
19 197 (2.70%) Senior .NET Developer
20 168 (2.30%) Technical Leader
Libraries, Frameworks & Software Standards
1 2,475 (33.91%) React
2 1,895 (25.97%) .NET
3 1,548 (21.21%) AngularJS
4 1,473 (20.18%) HTML
5 1,426 (19.54%) CSS
6 1,424 (19.51%) Node.js
7 1,171 (16.05%) Spring
8 998 (13.67%) .NET Core
9 988 (13.54%) RESTful
10 982 (13.46%) REST
11 750 (10.28%) Web Services
12 735 (10.07%) Spring Boot
13 708 (9.70%) Vue.js
14 664 (9.10%) Kafka
15 617 (8.45%) HTML5
16 575 (7.88%) ASP.NET
17 510 (6.99%) .NET Framework
18 454 (6.22%) Redux
19 452 (6.19%) CSS3
20 396 (5.43%) ASP.NET Web API
Miscellaneous
1 550 (7.54%) User Experience
2 452 (6.19%) Greenfield Project
3 315 (4.32%) Self-Motivation
4 308 (4.22%) Algorithms
5 306 (4.19%) Enterprise Software
6 271 (3.71%) Data Structures
6 271 (3.71%) Mobile App
7 226 (3.10%) Cloud Native
8 191 (2.62%) Social Media
9 132 (1.81%) Virtual Team
10 131 (1.80%) Video\Live Streaming
11 122 (1.67%) Legacy Code
12 91 (1.25%) Over-the-Top Content
13 90 (1.23%) Blog
14 80 (1.10%) Public Cloud
15 74 (1.01%) Life Science
16 70 (0.96%) Foreign Exchange (FX)
16 70 (0.96%) STB
17 68 (0.93%) NHS
18 67 (0.92%) Video on Demand
Operating Systems
1 652 (8.93%) Linux
2 317 (4.34%) Android
3 310 (4.25%) Windows
4 300 (4.11%) Apple iOS
5 269 (3.69%) Unix
6 43 (0.59%) Mac OS
7 35 (0.48%) Ubuntu
8 31 (0.42%) Windows Server
9 20 (0.27%) VMS
10 19 (0.26%) Mesosphere
11 17 (0.23%) Mac OS X
12 14 (0.19%) CentOS
13 12 (0.16%) Red Hat Enterprise Linux
14 6 (0.082%) Embedded Linux
15 4 (0.055%) DC/OS
16 2 (0.027%) FreeRTOS
16 2 (0.027%) OpenWrt
17 1 (0.014%) Tizen
17 1 (0.014%) webOS
17 1 (0.014%) Windows Server 2012
Processes & Methodologies
1 5,308 (72.73%) Agile Software Development
2 2,797 (38.33%) Software Engineering
3 2,572 (35.24%) CI/CD
4 2,278 (31.21%) BDD
5 2,180 (29.87%) DevOps
6 2,050 (28.09%) Microservices
7 1,783 (24.43%) Scrum
8 1,715 (23.50%) Full Stack Development
9 1,621 (22.21%) Continuous Integration
10 1,502 (20.58%) Test Automation
11 1,032 (14.14%) Mentoring
12 1,022 (14.00%) OO
13 1,016 (13.92%) Unit Testing
14 941 (12.89%) SOLID
15 796 (10.91%) MVC
16 795 (10.89%) Problem-Solving
17 775 (10.62%) Continuous Delivery
18 762 (10.44%) SDLC
19 702 (9.62%) Computer Science
20 698 (9.56%) Pair Programming
Programming Languages
1 3,056 (41.87%) JavaScript
2 2,610 (35.76%) Java
3 2,322 (31.82%) C#
4 1,699 (23.28%) SQL
5 1,484 (20.33%) Python
6 1,186 (16.25%) TypeScript
7 541 (7.41%) PHP
8 465 (6.37%) Go
9 440 (6.03%) Java 8
10 437 (5.99%) Scala
11 420 (5.76%) C++
12 385 (5.28%) Kotlin
13 351 (4.81%) Ruby
14 340 (4.66%) C
15 321 (4.40%) ES6
16 236 (3.23%) Java 11
17 202 (2.77%) T-SQL
18 163 (2.23%) Bash
19 130 (1.78%) PowerShell
20 127 (1.74%) Shell Script
Qualifications
1 842 (11.54%) Degree
2 458 (6.28%) Computer Science Degree
3 173 (2.37%) Security Cleared
4 125 (1.71%) SC Cleared
5 63 (0.86%) Oracle Certification
6 58 (0.79%) OCP
7 51 (0.70%) Master's Degree
8 46 (0.63%) ISTQB
9 27 (0.37%) AWS Certification
10 24 (0.33%) ISEB
10 24 (0.33%) Numerate Degree
11 22 (0.30%) ISTQB Foundation Certification
12 16 (0.22%) Microsoft Certification
12 16 (0.22%) SANS
13 13 (0.18%) DV Cleared
14 12 (0.16%) IIBA
14 12 (0.16%) PMI Certification
15 10 (0.14%) PhD
16 6 (0.082%) DBS Check
17 4 (0.055%) OCPJP
Quality Assurance & Compliance
1 819 (11.22%) QA
2 190 (2.60%) Accessibility
3 39 (0.53%) SLA
4 24 (0.33%) GDPR
5 20 (0.27%) Def Stans
5 20 (0.27%) MISRA
6 17 (0.23%) MiFID
6 17 (0.23%) WCAG
7 15 (0.21%) EMIR
7 15 (0.21%) ISO 9001
8 7 (0.096%) PSD2
8 7 (0.096%) WAI
9 6 (0.082%) Data Quality
10 4 (0.055%) PCI DSS
11 3 (0.041%) 21 CFR Part 11
11 3 (0.041%) GxP
12 1 (0.014%) DICOM
12 1 (0.014%) HL7
12 1 (0.014%) ISO/IEC 27001
12 1 (0.014%) SEPA
System Software
1 2,046 (28.04%) Docker
2 51 (0.70%) VMware Infrastructure
3 40 (0.55%) HDFS
4 30 (0.41%) Apache ZooKeeper
5 23 (0.32%) Firmware
6 19 (0.26%) Active Directory
6 19 (0.26%) Virtual Machines
7 18 (0.25%) Postfix
8 8 (0.11%) Varnish
9 4 (0.055%) Ceph
9 4 (0.055%) NFS
10 3 (0.041%) VMware NSX
11 2 (0.027%) vSphere
12 1 (0.014%) Hyper-V
12 1 (0.014%) Oracle RAC
Systems Management
1 1,565 (21.44%) Kubernetes
2 666 (9.13%) Terraform
3 229 (3.14%) Ansible
4 201 (2.75%) Grafana
5 135 (1.85%) Prometheus
6 120 (1.64%) Opscode Chef
7 85 (1.16%) Kibana
8 79 (1.08%) Puppet
9 55 (0.75%) logstash
10 43 (0.59%) Istio
10 43 (0.59%) Single Sign-On
11 30 (0.41%) Opsgenie
12 26 (0.36%) Rancher
13 25 (0.34%) MIIS
14 19 (0.26%) Automic
14 19 (0.26%) HAProxy
14 19 (0.26%) Pingdom
14 19 (0.26%) ZABBIX
15 17 (0.23%) Graphite
16 16 (0.22%) Consul
Vendors
1 565 (7.74%) Microsoft
2 469 (6.43%) Google
3 217 (2.97%) Oracle
4 95 (1.30%) Apple
5 66 (0.90%) VMware
6 58 (0.79%) Xamarin
7 56 (0.77%) Atlassian
8 54 (0.74%) Splunk
9 53 (0.73%) LexisNexis
10 49 (0.67%) Zend
11 43 (0.59%) YouTube
12 42 (0.58%) SAP
13 38 (0.52%) IBM
13 38 (0.52%) New Relic
14 36 (0.49%) Okta
15 35 (0.48%) Databricks
16 34 (0.47%) Twitter
17 33 (0.45%) Dell
17 33 (0.45%) Salesforce.com
18 32 (0.44%) Adobe