Period
to 21 May 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 21 May 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > England
6 months to
21 May 2018
Same period 2017 Same period 2016
Rank 20 18 25
Rank change year-on-year -2 +7 +3
Permanent jobs citing TDD 14,739 14,792 15,244
As % of all permanent IT jobs advertised in England 9.17% 9.30% 8.06%
As % of the Processes & Methodologies category 10.09% 10.28% 8.96%
Number of salaries quoted 12,813 13,356 13,858
England median annual salary £52,500 £52,500 £50,000
Median salary % change year-on-year - +5.00% -
10th Percentile £33,750 £32,500 £32,500
90th Percentile £80,000 £77,500 £76,250
UK median annual salary £51,000 £50,000 £50,000
% change year-on-year +2.00% - +5.26%

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 146,015 143,898 170,222
As % of all permanent IT jobs advertised in England 90.84% 90.47% 90.03%
Number of salaries quoted 118,403 118,828 143,161
England median annual salary £50,000 £50,000 £48,000
Median salary % change year-on-year - +4.17% +1.05%
10th Percentile £30,000 £28,108 £27,500
90th Percentile £82,500 £80,000 £77,500
UK median annual salary £50,000 £47,500 £47,500
% change year-on-year +5.26% - +3.26%

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 21 May 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 21 May 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 -2 6,706 £62,500 +3.31% 1,096
South East +1 2,771 £47,500 - 317
North of England +3 2,258 £45,000 +5.88% 346
North West +2 1,281 £45,000 +5.88% 182
South West +4 1,109 £47,500 +5.56% 131
East of England +2 1,079 £50,000 +11.11% 144
Yorkshire 0 832 £45,000 +2.24% 135
Midlands -7 812 £42,500 - 146
West Midlands -13 429 £45,000 +5.88% 84
East Midlands -9 383 £42,500 -5.56% 62
North East -6 146 £45,000 +12.50% 29
TDD
UK

For the 6 months to 21 May 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 11,856 (80.44%) Agile Software Development
2 6,982 (47.37%) C#
3 6,802 (46.15%) BDD
4 6,328 (42.93%) .NET
5 5,467 (37.09%) JavaScript
6 5,350 (36.30%) Java
7 4,817 (32.68%) MVC
8 4,646 (31.52%) SQL Server
9 4,470 (30.33%) Scrum
10 4,055 (27.51%) ASP.NET
11 3,700 (25.10%) AngularJS
12 3,673 (24.92%) Continuous Integration
13 3,531 (23.96%) HTML
14 3,520 (23.88%) SQL
15 3,386 (22.97%) Git (software)
16 3,370 (22.86%) RESTful
17 3,303 (22.41%) ASP.NET MVC
18 3,234 (21.94%) CSS
19 3,071 (20.84%) Software Engineering
20 2,795 (18.96%) Finance
21 2,781 (18.87%) Test Automation
22 2,715 (18.42%) ASP.NET Web API
23 2,621 (17.78%) Node.js
24 2,442 (16.57%) NoSQL
25 2,422 (16.43%) Amazon AWS
26 2,352 (15.96%) OO
27 2,284 (15.50%) Web Application Development
28 2,242 (15.21%) WCF
29 2,152 (14.60%) Web Services
30 2,133 (14.47%) Microservices

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
1 619 (4.20%) Elasticsearch
2 372 (2.52%) Tomcat
3 364 (2.47%) Confluence
4 363 (2.46%) CMS
5 354 (2.40%) Apache Spark
6 232 (1.57%) Apache
7 231 (1.57%) JBoss
8 175 (1.19%) IIS
9 157 (1.07%) EPiServer
10 151 (1.02%) Umbraco
11 127 (0.86%) SharePoint
12 125 (0.85%) Sitecore CMS
13 123 (0.83%) nginx
14 116 (0.79%) OpenStack
15 114 (0.77%) WebSphere
16 109 (0.74%) Apache Solr
17 107 (0.73%) Mule
18 97 (0.66%) Cloud Foundry
19 93 (0.63%) WebLogic
20 70 (0.47%) NServiceBus
Applications
1 58 (0.39%) Microsoft Excel
2 35 (0.24%) Photoshop
3 17 (0.12%) Adobe Illustrator
3 17 (0.12%) Microsoft Office
4 15 (0.10%) Chatbot
5 11 (0.075%) MS Visio
6 8 (0.054%) Microsoft PowerPoint
6 8 (0.054%) Microsoft Project
7 7 (0.047%) Spreadsheet
8 6 (0.041%) Adobe Premiere
9 5 (0.034%) GIMP
10 2 (0.014%) AutoCAD
10 2 (0.014%) Revit
10 2 (0.014%) S-PLUS
11 1 (0.007%) Blender
11 1 (0.007%) Mathcad
11 1 (0.007%) Simulink
Business Applications
1 52 (0.35%) Dynamics CRM
2 46 (0.31%) Payment Gateway
3 35 (0.24%) Distributed Ledger
4 34 (0.23%) Eloqua
4 34 (0.23%) Magento
5 21 (0.14%) thinkFolio
6 19 (0.13%) Eagle PACE
6 19 (0.13%) Front Arena
7 12 (0.081%) Dynamics NAV
7 12 (0.081%) Salesforce.com CRM
8 10 (0.068%) SAP Hybris
9 9 (0.061%) Markit EDM
10 8 (0.054%) Infor M3
11 7 (0.047%) Oracle Retail
12 6 (0.041%) Bloomberg AIM
13 5 (0.034%) Oracle EBS
14 4 (0.027%) SAP S/4HANA
15 3 (0.020%) BASE24
15 3 (0.020%) SAP ERP
15 3 (0.020%) Workday HCM
Cloud Services
1 2,422 (16.43%) Amazon AWS
2 1,792 (12.16%) Microsoft Azure
3 473 (3.21%) GitHub
4 340 (2.31%) SaaS
5 287 (1.95%) npm
6 218 (1.48%) Google Cloud Platform
7 202 (1.37%) Serverless
8 193 (1.31%) PaaS
9 158 (1.07%) Cloud Computing
10 137 (0.93%) Amazon EC2
10 137 (0.93%) IaaS
10 137 (0.93%) Slack
11 111 (0.75%) OpenShift
12 96 (0.65%) Amazon S3
13 87 (0.59%) Google Play
14 86 (0.58%) AWS Lambda
15 68 (0.46%) NuGet
16 63 (0.43%) Office 365
17 53 (0.36%) AWS CloudFormation
18 49 (0.33%) Amazon SQS
Communications & Networking
1 450 (3.05%) Internet
2 318 (2.16%) HTTP
3 126 (0.85%) Wireless
4 94 (0.64%) Broadband
5 87 (0.59%) Hyperconnected
6 47 (0.32%) SSL
7 38 (0.26%) TCP/IP
8 32 (0.22%) SMS
9 31 (0.21%) AMQP
9 31 (0.21%) VPN
10 25 (0.17%) DNS
11 18 (0.12%) IPv4
12 17 (0.12%) IPv6
12 17 (0.12%) Skype
13 15 (0.10%) SSH
14 14 (0.095%) Intranet
15 12 (0.081%) Firewall
15 12 (0.081%) FIX Connectivity
15 12 (0.081%) Value-Added Service
16 9 (0.061%) SMTP
Database & Business Intelligence
1 4,646 (31.52%) SQL Server
2 2,442 (16.57%) NoSQL
3 1,719 (11.66%) SQL Server 2016
4 982 (6.66%) MongoDB
5 953 (6.47%) MySQL
6 825 (5.60%) Big Data
7 636 (4.32%) Relational Database
8 586 (3.98%) PostgreSQL
9 552 (3.75%) SQL Server 2014
10 378 (2.56%) Hadoop
11 281 (1.91%) Redis
12 272 (1.85%) Apache Cassandra
13 221 (1.50%) Blockchain
14 205 (1.39%) RDBMS
15 160 (1.09%) Amazon DynamoDB
16 141 (0.96%) SQL Server Integration Services
17 137 (0.93%) SQL Server 2012
18 134 (0.91%) Neo4j
19 118 (0.80%) Couchbase
20 113 (0.77%) SQL Server Reporting Services
Development Applications
1 3,386 (22.97%) Git (software)
2 1,444 (9.80%) Jenkins
3 1,427 (9.68%) Selenium
4 1,145 (7.77%) JIRA
5 953 (6.47%) NUnit
6 883 (5.99%) Cucumber
7 800 (5.43%) Maven
8 723 (4.91%) Team Foundation Server
9 682 (4.63%) Visual Studio
10 678 (4.60%) JUnit
11 609 (4.13%) TeamCity
12 601 (4.08%) Subversion
13 445 (3.02%) Rhino Mocks
14 424 (2.88%) Gradle
15 418 (2.84%) WebDriver
16 399 (2.71%) Atlassian Bamboo
17 387 (2.63%) Moq
18 372 (2.52%) gulp
19 358 (2.43%) webpack
20 343 (2.33%) MSTest
General
1 2,795 (18.96%) Finance
2 927 (6.29%) Games
3 884 (6.00%) Retail
4 853 (5.79%) Banking
5 604 (4.10%) Marketing
6 501 (3.40%) Advertising
7 345 (2.34%) Telecoms
8 285 (1.93%) Investment Banking
9 244 (1.66%) Electronics
10 217 (1.47%) Financial Institution
11 173 (1.17%) Manufacturing
12 151 (1.02%) Music Industry
13 138 (0.94%) Front Office
14 128 (0.87%) Legal
15 122 (0.83%) Law
16 116 (0.79%) Publishing
17 108 (0.73%) Back Office
18 74 (0.50%) Automotive
19 41 (0.28%) Online Betting
20 32 (0.22%) Pharmaceutical
Job Titles
1 10,456 (70.94%) Developer
2 4,067 (27.59%) .NET Developer
3 2,440 (16.55%) Java Developer
4 2,403 (16.30%) C# Developer
5 1,916 (13.00%) Senior Developer
6 1,649 (11.19%) C# .NET Developer
7 1,255 (8.51%) Software Engineer
8 1,078 (7.31%) Software Developer
9 847 (5.75%) ASP.NET Developer
10 813 (5.52%) C# ASP.NET Developer
11 687 (4.66%) ASP.NET MVC Developer
12 685 (4.65%) Senior Java Developer
13 655 (4.44%) JavaScript Developer
14 649 (4.40%) Java Engineer
15 555 (3.77%) Front End Developer (Client-Side Developer)
16 550 (3.73%) Lead Developer
17 546 (3.70%) Agile Developer
18 436 (2.96%) Full Stack Developer
19 397 (2.69%) .NET Software Developer
20 396 (2.69%) Senior .NET Developer
Libraries, Frameworks & Software Standards
1 6,328 (42.93%) .NET
2 4,055 (27.51%) ASP.NET
3 3,700 (25.10%) AngularJS
4 3,531 (23.96%) HTML
5 3,370 (22.86%) RESTful
6 3,303 (22.41%) ASP.NET MVC
7 3,234 (21.94%) CSS
8 2,715 (18.42%) ASP.NET Web API
9 2,621 (17.78%) Node.js
10 2,242 (15.21%) WCF
11 2,152 (14.60%) Web Services
12 1,977 (13.41%) ASP.NET MVC 5
13 1,948 (13.22%) Spring
14 1,839 (12.48%) .NET Framework
15 1,732 (11.75%) React
16 1,670 (11.33%) HTML5
17 1,591 (10.79%) REST
18 1,337 (9.07%) Entity Framework
19 1,322 (8.97%) jQuery
20 1,072 (7.27%) WPF
Miscellaneous
1 1,754 (11.90%) Greenfield Project
2 1,110 (7.53%) Computer Science
3 1,022 (6.93%) User Experience
4 811 (5.50%) Fintech
5 736 (4.99%) Mobile App
6 656 (4.45%) Enterprise Software
7 634 (4.30%) Analytical Skills
8 336 (2.28%) Self-Motivation
9 301 (2.04%) Algorithms
10 223 (1.51%) Data Structures
11 153 (1.04%) Linux Command Line
12 142 (0.96%) Social Network
13 128 (0.87%) Cyberthreat
14 126 (0.85%) Tandem
15 124 (0.84%) Hedge funds
16 121 (0.82%) Online Games
17 117 (0.79%) Equities
18 116 (0.79%) Cloud Native
18 116 (0.79%) Social Media
19 100 (0.68%) Foreign Exchange (FX)
Operating Systems
1 1,551 (10.52%) Linux
2 1,135 (7.70%) Windows
3 639 (4.34%) Android
4 509 (3.45%) Apple iOS
5 398 (2.70%) Unix
6 77 (0.52%) Windows Server
7 51 (0.35%) Mac OS
8 36 (0.24%) Ubuntu
9 34 (0.23%) Nucleus RTOS
10 33 (0.22%) CentOS
11 31 (0.21%) Embedded Linux
12 29 (0.20%) Windows Phone
13 20 (0.14%) Red Hat Enterprise Linux
14 19 (0.13%) Solaris
15 17 (0.12%) Amazon Linux
16 16 (0.11%) FreeBSD
17 14 (0.095%) VMS
18 13 (0.088%) Debian
19 10 (0.068%) openSUSE
20 8 (0.054%) Mac OS X
Processes & Methodologies
1 11,856 (80.44%) Agile Software Development
2 6,802 (46.15%) BDD
3 4,817 (32.68%) MVC
4 4,470 (30.33%) Scrum
5 3,673 (24.92%) Continuous Integration
6 3,071 (20.84%) Software Engineering
7 2,781 (18.87%) Test Automation
8 2,352 (15.96%) OO
9 2,284 (15.50%) Web Application Development
10 2,133 (14.47%) Microservices
11 1,985 (13.47%) DevOps
12 1,958 (13.28%) Kanban
13 1,501 (10.18%) Problem-Solving
14 1,423 (9.65%) Unit Testing
15 1,178 (7.99%) SOLID
16 1,156 (7.84%) SDLC
17 1,096 (7.44%) Mentoring
18 1,074 (7.29%) Dependency Injection
19 1,072 (7.27%) Continuous Delivery
20 1,034 (7.02%) Pair Programming
Programming Languages
1 6,982 (47.37%) C#
2 5,467 (37.09%) JavaScript
3 5,350 (36.30%) Java
4 3,520 (23.88%) SQL
5 1,956 (13.27%) Ruby
6 1,638 (11.11%) Python
7 1,268 (8.60%) Java 8
8 962 (6.53%) C++
9 931 (6.32%) PHP
10 911 (6.18%) Scala
11 608 (4.13%) TypeScript
12 592 (4.02%) T-SQL
13 469 (3.18%) C
14 363 (2.46%) ES6
15 342 (2.32%) VB.NET
16 251 (1.70%) Groovy
17 250 (1.70%) Go
18 205 (1.39%) Objective-C
19 203 (1.38%) PowerShell
20 195 (1.32%) F#
Qualifications
1 1,523 (10.33%) Degree
2 559 (3.79%) Computer Science Degree
3 334 (2.27%) Security Cleared
4 167 (1.13%) SC Cleared
5 136 (0.92%) ISEB
6 101 (0.69%) Microsoft Certification
7 99 (0.67%) DV Cleared
8 96 (0.65%) ISTQB
9 67 (0.45%) Master's Degree
10 53 (0.36%) SAFe Agilist
11 41 (0.28%) Numerate Degree
12 38 (0.26%) MCPD
13 34 (0.23%) ISTQB Foundation Certification
14 32 (0.22%) AWS Certification
15 28 (0.19%) PhD
16 18 (0.12%) PMI Certification
17 17 (0.12%) Sun Certification
18 15 (0.10%) MCTS
19 12 (0.081%) Oracle Certification
20 10 (0.068%) HND
Quality Assurance & Compliance
1 1,250 (8.48%) QA
2 68 (0.46%) PCI DSS
3 62 (0.42%) GDPR
4 53 (0.36%) GCP
5 30 (0.20%) WCAG
6 27 (0.18%) PMO
7 20 (0.14%) PSD2
8 18 (0.12%) Data Quality
9 14 (0.095%) ISO/IEC 27001
10 13 (0.088%) SLA
11 10 (0.068%) Web Application Security Consortium
12 8 (0.054%) GAMP
13 4 (0.027%) EMIR
13 4 (0.027%) MiFID
14 3 (0.020%) Disclosure Scotland
14 3 (0.020%) ISO 9001
14 3 (0.020%) PA-DSS
15 2 (0.014%) Dodd-Frank
15 2 (0.014%) ISO 22301
15 2 (0.014%) TickIT
System Software
1 1,321 (8.96%) Docker
2 111 (0.75%) VMware Infrastructure
3 57 (0.39%) Hyper-V
4 56 (0.38%) VirtualBox
5 45 (0.31%) Active Directory
5 45 (0.31%) Xen
6 37 (0.25%) HDFS
7 24 (0.16%) Virtual Machines
8 17 (0.12%) Firmware
9 16 (0.11%) Apache Flume
9 16 (0.11%) Apache ZooKeeper
10 9 (0.061%) vSphere
11 8 (0.054%) KVM
12 7 (0.047%) iptables
12 7 (0.047%) VMware ESXi
12 7 (0.047%) VMware Server
13 1 (0.007%) Snort
13 1 (0.007%) Virtual Servers
Systems Management
1 444 (3.01%) Ansible
2 378 (2.56%) Puppet
3 341 (2.31%) Kubernetes
4 335 (2.27%) Opscode Chef
5 191 (1.30%) Terraform
6 182 (1.23%) Kibana
7 83 (0.56%) Business Desktop Deployment
7 83 (0.56%) HockeyApp
8 75 (0.51%) WSUS
9 33 (0.22%) Salt
10 31 (0.21%) HP Quality Center
11 29 (0.20%) Mesos
12 24 (0.16%) Marathon
13 22 (0.15%) logstash
14 21 (0.14%) Single Sign-On
15 17 (0.12%) HP ALM
16 16 (0.11%) Icinga
17 15 (0.10%) Nagios
18 13 (0.088%) Cobbler
19 11 (0.075%) ZABBIX
Vendors
1 1,748 (11.86%) Microsoft
2 716 (4.86%) Oracle
3 705 (4.78%) Google
4 354 (2.40%) Facebook
5 203 (1.38%) Atlassian
6 179 (1.21%) Xamarin
7 154 (1.04%) VMware
8 153 (1.04%) Sitecore
9 147 (1.00%) Twitter
10 144 (0.98%) SAP
11 137 (0.93%) Apple
12 134 (0.91%) WorldPay
13 114 (0.77%) Salesforce.com
14 105 (0.71%) Capita
15 94 (0.64%) Splunk
16 88 (0.60%) Sony
17 80 (0.54%) IBM
18 78 (0.53%) Sybase
19 77 (0.52%) Zend
20 76 (0.52%) AppDynamics