Period
to 17 November 2018

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 17 November 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > England
6 months to
17 Nov 2018
Same period 2017 Same period 2016
Rank 24 20 23
Rank change year-on-year -4 +3 +2
Permanent jobs citing TDD 12,645 15,065 14,656
As % of all permanent IT jobs advertised in England 8.39% 8.91% 8.17%
As % of the Processes & Methodologies category 9.20% 9.74% 8.98%
Number of salaries quoted 10,753 12,938 13,403
England median annual salary £55,000 £52,500 £52,500
Median salary % change year-on-year +4.76% - +5.00%
10th Percentile £33,750 £33,675 £32,500
90th Percentile £87,500 £80,000 £78,750
UK median annual salary £55,000 £52,500 £50,500
% change year-on-year +4.76% +3.96% +1.00%

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 137,386 154,630 163,144
As % of all permanent IT jobs advertised in England 91.18% 91.48% 90.93%
Number of salaries quoted 110,229 123,197 136,930
England median annual salary £52,500 £50,000 £50,000
Median salary % change year-on-year +5.00% - +5.26%
10th Percentile £29,750 £28,500 £28,000
90th Percentile £85,000 £80,000 £80,000
UK median annual salary £50,000 £50,000 £48,000
% change year-on-year - +4.17% +1.05%

TDD
Job Vacancy Trend in England

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

Job vacancy trend for TDD in England

TDD
Salary Trend in England

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in England.

Salary trend for TDD in England

TDD
Salary Histogram in England

The salary distribution of IT jobs citing TDD in England over the 6 months to 17 November 2018.

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 17 November 2018. 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
Job
Vacancies
London -4 6,244 £67,500 +8.00% 1,070
South East -3 2,179 £50,000 +5.26% 330
North of England +2 1,943 £47,500 +5.56% 336
North West -1 1,090 £50,000 +11.11% 185
South West -3 818 £47,500 +5.56% 144
Midlands +2 747 £45,000 +5.88% 162
Yorkshire +6 722 £45,000 - 119
East of England 0 721 £50,000 +1.01% 139
West Midlands +8 437 £45,000 +12.50% 97
East Midlands -9 310 £42,500 - 65
North East +12 135 £45,000 +4.65% 32
TDD
UK

For the 6 months to 17 November 2018, 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 9,635 (76.20%) Agile Software Development
2 5,535 (43.77%) C#
3 5,196 (41.09%) BDD
4 5,040 (39.86%) JavaScript
5 4,981 (39.39%) .NET
6 4,653 (36.80%) Java
7 3,778 (29.88%) Scrum
8 3,551 (28.08%) Continuous Integration
9 3,484 (27.55%) MVC
10 3,364 (26.60%) SQL
11 3,236 (25.59%) AngularJS
12 3,171 (25.08%) SQL Server
13 3,029 (23.95%) HTML
14 2,881 (22.78%) ASP.NET
15 2,792 (22.08%) Git (software)
16 2,714 (21.46%) CSS
17 2,621 (20.73%) Software Engineering
18 2,400 (18.98%) RESTful
19 2,368 (18.73%) Finance
20 2,343 (18.53%) Microservices
21 2,196 (17.37%) ASP.NET MVC
22 2,174 (17.19%) Amazon AWS
23 2,084 (16.48%) Test Automation
24 2,024 (16.01%) DevOps
25 1,997 (15.79%) ASP.NET Web API
26 1,899 (15.02%) Microsoft Azure
27 1,893 (14.97%) Node.js
28 1,823 (14.42%) Spring
29 1,810 (14.31%) OO
30 1,742 (13.78%) Web Services

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
1 420 (3.32%) Elasticsearch
2 358 (2.83%) Confluence
3 336 (2.66%) CMS
4 291 (2.30%) Apache Spark
5 281 (2.22%) Apache
6 218 (1.72%) Tomcat
7 158 (1.25%) IIS
8 149 (1.18%) EPiServer
8 149 (1.18%) JBoss
9 107 (0.85%) SharePoint
10 103 (0.81%) WebSphere
11 98 (0.78%) Sitecore CMS
12 97 (0.77%) Umbraco
13 91 (0.72%) nginx
14 82 (0.65%) WordPress
15 69 (0.55%) Cloud Foundry
16 68 (0.54%) NServiceBus
17 59 (0.47%) Drupal
17 59 (0.47%) WebLogic
18 55 (0.43%) OpenStack
Applications
1 50 (0.40%) Microsoft Excel
2 33 (0.26%) Microsoft Office
3 24 (0.19%) Microsoft Project
4 18 (0.14%) Photoshop
5 15 (0.12%) MS Visio
5 15 (0.12%) Spreadsheet
6 14 (0.11%) Microsoft PowerPoint
7 11 (0.087%) Chatbot
8 7 (0.055%) Adobe Illustrator
9 6 (0.047%) Maya
9 6 (0.047%) Mingle
10 5 (0.040%) Fireworks
10 5 (0.040%) Open Workbench
10 5 (0.040%) Snapchat
11 4 (0.032%) Adobe Creative Suite
11 4 (0.032%) Doxygen
12 3 (0.024%) LibreOffice
13 2 (0.016%) GIMP
13 2 (0.016%) InVision
14 1 (0.008%) OmniGraffle
Business Applications
1 77 (0.61%) Dynamics CRM
2 66 (0.52%) Payment Gateway
3 35 (0.28%) Eloqua
4 32 (0.25%) Magento
5 20 (0.16%) Markit EDM
6 19 (0.15%) Dynamics AX
6 19 (0.15%) Dynamics NAV
7 16 (0.13%) thinkFolio
8 9 (0.071%) Bloomberg AIM
8 9 (0.071%) Eagle PACE
8 9 (0.071%) FastStats
8 9 (0.071%) Front Arena
9 8 (0.063%) SAP FI
10 7 (0.055%) Distributed Ledger
11 6 (0.047%) Oracle EBS
11 6 (0.047%) Oracle Retail
12 5 (0.040%) Adobe Campaign
12 5 (0.040%) Endur
12 5 (0.040%) LatentZero
13 4 (0.032%) SunGard GMI
Cloud Services
1 2,174 (17.19%) Amazon AWS
2 1,899 (15.02%) Microsoft Azure
3 353 (2.79%) SaaS
4 346 (2.74%) Serverless
5 345 (2.73%) GitHub
6 341 (2.70%) Google Cloud Platform
7 242 (1.91%) npm
8 155 (1.23%) Amazon EC2
9 154 (1.22%) PaaS
10 144 (1.14%) Cloud Computing
11 136 (1.08%) AWS Lambda
12 103 (0.81%) OpenShift
13 101 (0.80%) IaaS
14 76 (0.60%) Amazon S3
15 74 (0.59%) Office 365
16 57 (0.45%) Amazon SQS
17 43 (0.34%) AWS CloudFormation
18 41 (0.32%) NuGet
19 40 (0.32%) G Suite
20 38 (0.30%) Heroku
Communications & Networking
1 493 (3.90%) Internet
2 263 (2.08%) HTTP
3 69 (0.55%) SSL
4 68 (0.54%) Broadband
5 63 (0.50%) Hyperconnected
6 49 (0.39%) TCP/IP
7 29 (0.23%) Wi-Fi
7 29 (0.23%) Wireless
8 28 (0.22%) AMQP
9 24 (0.19%) DNS
10 21 (0.17%) Firewall
11 18 (0.14%) VLAN
12 17 (0.13%) Bluetooth
13 16 (0.13%) Intranet
14 14 (0.11%) OpenLDAP
15 12 (0.095%) Network Security
15 12 (0.095%) SMS
16 11 (0.087%) HTTPS
16 11 (0.087%) SSH
17 9 (0.071%) Skype
Database & Business Intelligence
1 3,171 (25.08%) SQL Server
2 1,593 (12.60%) NoSQL
3 1,258 (9.95%) SQL Server 2016
4 778 (6.15%) MySQL
5 757 (5.99%) MongoDB
6 687 (5.43%) Big Data
7 531 (4.20%) PostgreSQL
8 501 (3.96%) Relational Database
9 274 (2.17%) Hadoop
10 265 (2.10%) Redis
11 249 (1.97%) Apache Cassandra
12 165 (1.30%) SQL Server Integration Services
13 159 (1.26%) RDBMS
14 152 (1.20%) Blockchain
15 137 (1.08%) Amazon DynamoDB
16 127 (1.00%) Oracle Database
17 114 (0.90%) SQL Server 2012
17 114 (0.90%) SQL Server Reporting Services
18 107 (0.85%) Data Warehouse
19 93 (0.74%) Couchbase
Development Applications
1 2,792 (22.08%) Git (software)
2 1,423 (11.25%) Jenkins
3 1,136 (8.98%) Selenium
4 991 (7.84%) JIRA
5 812 (6.42%) Visual Studio
6 706 (5.58%) Maven
7 689 (5.45%) Cucumber
8 608 (4.81%) TeamCity
9 594 (4.70%) JUnit
10 586 (4.63%) Team Foundation Server
11 491 (3.88%) NUnit
12 426 (3.37%) Subversion
13 333 (2.63%) gulp
14 324 (2.56%) WebDriver
15 315 (2.49%) SpecFlow
16 310 (2.45%) Octopus Deploy
17 293 (2.32%) Gradle
18 286 (2.26%) webpack
19 233 (1.84%) SoapUI
20 231 (1.83%) Mocha
General
1 2,368 (18.73%) Finance
2 771 (6.10%) Games
3 743 (5.88%) Banking
4 676 (5.35%) Retail
5 481 (3.80%) Marketing
6 297 (2.35%) Telecoms
7 286 (2.26%) Advertising
8 210 (1.66%) Investment Banking
9 207 (1.64%) Electronics
10 186 (1.47%) Manufacturing
11 169 (1.34%) Law
12 168 (1.33%) Front Office
13 149 (1.18%) Financial Institution
14 107 (0.85%) Publishing
15 104 (0.82%) Automotive
16 95 (0.75%) Back Office
17 68 (0.54%) Legal
18 51 (0.40%) Pharmaceutical
19 46 (0.36%) Music Industry
20 35 (0.28%) Multimedia
Job Titles
1 8,914 (70.49%) Developer
2 2,997 (23.70%) .NET Developer
3 2,274 (17.98%) Java Developer
4 2,220 (17.56%) C# Developer
5 1,855 (14.67%) Senior Developer
6 1,538 (12.16%) C# .NET Developer
7 1,118 (8.84%) Software Engineer
8 897 (7.09%) Software Developer
9 696 (5.50%) ASP.NET Developer
10 650 (5.14%) C# ASP.NET Developer
11 586 (4.63%) Lead Developer
12 580 (4.59%) Senior Java Developer
13 545 (4.31%) JavaScript Developer
14 509 (4.03%) Agile Developer
15 504 (3.99%) Front End Developer (Client-Side Developer)
16 464 (3.67%) Senior .NET Developer
17 461 (3.65%) ASP.NET MVC Developer
18 450 (3.56%) Full Stack Developer
19 390 (3.08%) Java Engineer
20 354 (2.80%) C# Software Developer
Libraries, Frameworks & Software Standards
1 4,981 (39.39%) .NET
2 3,236 (25.59%) AngularJS
3 3,029 (23.95%) HTML
4 2,881 (22.78%) ASP.NET
5 2,714 (21.46%) CSS
6 2,400 (18.98%) RESTful
7 2,196 (17.37%) ASP.NET MVC
8 1,997 (15.79%) ASP.NET Web API
9 1,893 (14.97%) Node.js
10 1,823 (14.42%) Spring
11 1,742 (13.78%) Web Services
12 1,723 (13.63%) React
13 1,569 (12.41%) REST
14 1,386 (10.96%) .NET Framework
15 1,350 (10.68%) HTML5
16 1,232 (9.74%) WCF
17 1,182 (9.35%) jQuery
18 919 (7.27%) Entity Framework
19 911 (7.20%) Twitter Bootstrap
20 834 (6.60%) CSS3
Miscellaneous
1 1,559 (12.33%) Greenfield Project
2 927 (7.33%) User Experience
3 910 (7.20%) Computer Science
4 702 (5.55%) Fintech
5 550 (4.35%) Enterprise Software
6 539 (4.26%) Analytical Skills
7 485 (3.84%) Mobile App
8 314 (2.48%) Self-Motivation
9 220 (1.74%) Algorithms
10 137 (1.08%) Data Structures
11 114 (0.90%) Hedge funds
12 109 (0.86%) Tandem
13 97 (0.77%) Equities
14 94 (0.74%) Cloud Native
15 93 (0.74%) Foreign Exchange (FX)
15 93 (0.74%) Social Network
16 87 (0.69%) Derivative
17 83 (0.66%) Blog
17 83 (0.66%) Social Media
18 81 (0.64%) Public Cloud
Operating Systems
1 1,084 (8.57%) Linux
2 721 (5.70%) Windows
3 492 (3.89%) Android
4 401 (3.17%) Apple iOS
5 281 (2.22%) Unix
6 69 (0.55%) Windows Server
7 57 (0.45%) CentOS
8 38 (0.30%) Ubuntu
9 31 (0.25%) Red Hat Enterprise Linux
10 25 (0.20%) Mac OS X
11 21 (0.17%) openSUSE
12 17 (0.13%) Windows 10
13 13 (0.10%) Solaris
14 11 (0.087%) Embedded Linux
14 11 (0.087%) VMS
15 9 (0.071%) Mac OS
16 8 (0.063%) Windows 7
17 7 (0.055%) Debian
18 6 (0.047%) Nucleus RTOS
19 5 (0.040%) FreeBSD
Processes & Methodologies
1 9,635 (76.20%) Agile Software Development
2 5,196 (41.09%) BDD
3 3,778 (29.88%) Scrum
4 3,551 (28.08%) Continuous Integration
5 3,484 (27.55%) MVC
6 2,621 (20.73%) Software Engineering
7 2,343 (18.53%) Microservices
8 2,084 (16.48%) Test Automation
9 2,024 (16.01%) DevOps
10 1,810 (14.31%) OO
11 1,620 (12.81%) Kanban
12 1,320 (10.44%) Problem-Solving
13 1,271 (10.05%) Unit Testing
14 1,235 (9.77%) Web Application Development
15 1,200 (9.49%) Continuous Delivery
16 1,150 (9.09%) SOLID
17 1,140 (9.02%) Pair Programming
18 1,025 (8.11%) Mentoring
19 993 (7.85%) Web Development
20 951 (7.52%) SDLC
Programming Languages
1 5,535 (43.77%) C#
2 5,040 (39.86%) JavaScript
3 4,653 (36.80%) Java
4 3,364 (26.60%) SQL
5 1,541 (12.19%) Python
6 1,238 (9.79%) Java 8
7 1,156 (9.14%) Ruby
8 772 (6.11%) Scala
9 759 (6.00%) C++
9 759 (6.00%) PHP
10 543 (4.29%) TypeScript
11 502 (3.97%) T-SQL
12 389 (3.08%) ES6
13 345 (2.73%) C
14 279 (2.21%) Go
15 255 (2.02%) PowerShell
16 167 (1.32%) Apple Swift
17 160 (1.27%) F#
18 158 (1.25%) VB.NET
19 150 (1.19%) Bash Shell
Qualifications
1 1,364 (10.79%) Degree
2 468 (3.70%) Computer Science Degree
3 373 (2.95%) Security Cleared
4 228 (1.80%) SC Cleared
5 130 (1.03%) DV Cleared
6 103 (0.81%) ISTQB
7 74 (0.59%) Microsoft Certification
8 67 (0.53%) ISEB
9 59 (0.47%) Master's Degree
10 54 (0.43%) Numerate Degree
11 38 (0.30%) SAFe Agilist
12 21 (0.17%) AWS Certification
13 19 (0.15%) ISTQB Foundation Certification
14 18 (0.14%) PMI Certification
15 17 (0.13%) PhD
16 13 (0.10%) MCPD
17 12 (0.095%) DBS Check
18 11 (0.087%) OCPJP
19 10 (0.079%) CISSP
19 10 (0.079%) MCSE
Quality Assurance & Compliance
1 978 (7.73%) QA
2 58 (0.46%) GDPR
3 34 (0.27%) Data Quality
4 22 (0.17%) WCAG
5 18 (0.14%) PMO
5 18 (0.14%) SLA
6 17 (0.13%) PSD2
7 13 (0.10%) ISO/IEC 27001
8 8 (0.063%) PCI DSS
9 6 (0.047%) PMBOK
10 4 (0.032%) DICOM
10 4 (0.032%) EMIR
10 4 (0.032%) FATCA
10 4 (0.032%) MiFID
11 3 (0.024%) SEPA
12 2 (0.016%) ISO 9001
12 2 (0.016%) MISRA
12 2 (0.016%) Web Application Security Consortium
13 1 (0.008%) ISO 8583
13 1 (0.008%) WAI
System Software
1 1,437 (11.36%) Docker
2 62 (0.49%) Active Directory
3 46 (0.36%) HDFS
4 32 (0.25%) Apache ZooKeeper
5 31 (0.25%) Virtual Machines
6 29 (0.23%) VMware Infrastructure
7 27 (0.21%) VirtualBox
8 23 (0.18%) vSphere
9 20 (0.16%) Firmware
10 15 (0.12%) Hyper-V
11 8 (0.063%) LXC
11 8 (0.063%) Oracle RAC
12 7 (0.055%) Apache Flume
12 7 (0.055%) Varnish
13 4 (0.032%) KVM
13 4 (0.032%) VMware ESXi
14 3 (0.024%) zsh
15 2 (0.016%) FreeRADIUS
15 2 (0.016%) iptables
15 2 (0.016%) Xen
Systems Management
1 552 (4.37%) Kubernetes
2 423 (3.35%) Ansible
3 272 (2.15%) Puppet
4 269 (2.13%) Opscode Chef
5 264 (2.09%) Terraform
6 114 (0.90%) Kibana
7 54 (0.43%) Salt
8 51 (0.40%) HP Quality Center
9 33 (0.26%) Grafana
10 27 (0.21%) Mesos
11 25 (0.20%) HP ALM
12 24 (0.19%) Hadoop YARN
12 24 (0.19%) Rancher
13 20 (0.16%) Prometheus
13 20 (0.16%) ZABBIX
14 15 (0.12%) logstash
15 13 (0.10%) Docker Swarm
15 13 (0.10%) HAProxy
15 13 (0.10%) Nagios
16 12 (0.095%) Icinga
Vendors
1 1,636 (12.94%) Microsoft
2 672 (5.31%) Oracle
3 617 (4.88%) Google
4 218 (1.72%) Facebook
5 215 (1.70%) Xamarin
6 213 (1.68%) SAP
7 158 (1.25%) Apple
8 138 (1.09%) Atlassian
8 138 (1.09%) Sitecore
9 90 (0.71%) Twitter
10 83 (0.66%) Zend
11 78 (0.62%) Splunk
12 72 (0.57%) IBM
12 72 (0.57%) Yahoo!
13 67 (0.53%) Sony
14 66 (0.52%) Adobe
14 66 (0.52%) Sybase
15 65 (0.51%) Tableau
16 63 (0.50%) WorldPay
17 58 (0.46%) HP