Period
to 21 May 2019

The following table provides summary statistics for permanent job vacancies advertised in the UK excluding London 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 2019 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > UK excluding London
6 months to
21 May 2019
Same period 2018 Same period 2017
Rank 33 23 23
Rank change year-on-year -10 0 +11
Permanent jobs citing TDD 5,341 8,792 8,132
As % of all permanent IT jobs advertised in the UK excluding London 6.51% 8.90% 8.35%
As % of the Processes & Methodologies category 7.12% 9.74% 9.20%
Number of salaries quoted 4,323 7,874 7,212
UK excluding London median annual salary £50,000 £46,500 £45,000
Median salary % change year-on-year +7.53% +3.33% -
10th Percentile £32,500 £32,500 £31,250
90th Percentile £70,000 £67,500 £63,750
UK median annual salary £55,000 £51,000 £50,000
% change year-on-year +7.84% +2.00% -

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 the UK excluding London with a requirement for process or methodology skills.

All Process and Methodology Skills
UK excluding London
Permanent vacancies with a requirement for process or methodology skills 75,004 90,288 88,428
As % of all permanent IT jobs advertised in the UK excluding London 91.48% 91.41% 90.82%
Number of salaries quoted 57,771 72,874 72,167
UK excluding London median annual salary £45,000 £45,000 £42,500
Median salary % change year-on-year - +5.88% -
10th Percentile £27,500 £27,000 £26,250
90th Percentile £70,000 £67,500 £65,000
UK median annual salary £52,500 £50,000 £47,500
% change year-on-year +5.00% +5.26% -

TDD
Job Vacancy Trend in the UK excluding London

Job postings citing TDD as a percentage of all IT jobs advertised in the UK excluding London.

Job vacancy trend for TDD in the UK excluding London

TDD
Salary Trend in the UK excluding London

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

Salary trend for TDD in the UK excluding London

TDD
Salary Histogram in the UK excluding London

The salary distribution of IT jobs citing TDD in the UK excluding London over the 6 months to 21 May 2019.

Salary histogram for TDD in the UK excluding London

TDD
Job Locations in the UK excluding London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the UK excluding London region over the 6 months to 21 May 2019. 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
South East -10 1,781 £50,000 +5.26% 115
North of England -15 1,380 £47,500 +5.56% 122
North West -13 733 £50,500 +12.22% 64
South West -19 678 £45,000 -5.26% 44
Yorkshire -11 568 £45,000 - 47
Midlands -16 560 £45,000 +5.88% 55
East of England -14 496 £52,500 +5.00% 57
Scotland -18 356 £50,000 - 25
West Midlands -14 334 £45,000 - 34
East Midlands -12 226 £42,500 - 21
North East -12 76 £47,250 +5.00% 11
Wales -22 70 £44,200 +10.50% 12
Northern Ireland -34 33 £45,000 +20.00% 2
TDD
UK

For the 6 months to 21 May 2019, 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 UK excluding London region with a requirement for TDD.

1 4,044 (75.72%) Agile Software Development
2 2,436 (45.61%) JavaScript
3 2,416 (45.23%) C#
4 2,054 (38.46%) .NET
5 2,038 (38.16%) Java
6 1,979 (37.05%) BDD
7 1,552 (29.06%) SQL
8 1,473 (27.58%) Continuous Integration
9 1,461 (27.35%) Scrum
10 1,449 (27.13%) MVC
11 1,436 (26.89%) HTML
12 1,423 (26.64%) Software Engineering
13 1,422 (26.62%) AngularJS
14 1,280 (23.97%) Git (software)
15 1,259 (23.57%) CSS
16 1,251 (23.42%) Test Automation
17 1,186 (22.21%) ASP.NET
18 1,048 (19.62%) SQL Server
19 987 (18.48%) Microsoft Azure
20 971 (18.18%) DevOps
21 923 (17.28%) Microsoft
22 852 (15.95%) Amazon AWS
23 849 (15.90%) OO
24 843 (15.78%) Spring
25 824 (15.43%) React
26 797 (14.92%) ASP.NET MVC
27 757 (14.17%) Node.js
28 732 (13.71%) Finance
29 731 (13.69%) Greenfield Project
30 699 (13.09%) Microservices

TDD
Co-occurring IT Skills in the UK excluding London 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
1 161 (3.01%) Confluence
2 140 (2.62%) Elasticsearch
3 104 (1.95%) Apache
4 80 (1.50%) CMS
5 76 (1.42%) IIS
5 76 (1.42%) JBoss
6 62 (1.16%) Umbraco
7 61 (1.14%) Apache Spark
7 61 (1.14%) Tomcat
8 47 (0.88%) Cloud Foundry
9 42 (0.79%) nginx
10 37 (0.69%) Sitecore CMS
11 31 (0.58%) SharePoint
12 24 (0.45%) WebLogic
13 23 (0.43%) EPiServer
13 23 (0.43%) Sitefinity
14 22 (0.41%) NServiceBus
15 20 (0.37%) OpenStack
16 19 (0.36%) MQSeries
17 18 (0.34%) WebSphere
Applications
1 15 (0.28%) Chatbot
2 12 (0.22%) Photoshop
3 9 (0.17%) Microsoft Office
3 9 (0.17%) Microsoft Project
4 8 (0.15%) Adobe XD
4 8 (0.15%) InVision
4 8 (0.15%) Zeplin
5 3 (0.056%) MS Visio
6 2 (0.037%) Microsoft Excel
7 1 (0.019%) EngageOne
7 1 (0.019%) HipChat
7 1 (0.019%) Sketch
7 1 (0.019%) SPSS
Business Applications
1 15 (0.28%) Payment Gateway
2 13 (0.24%) Magento
3 11 (0.21%) Dynamics CRM
4 8 (0.15%) Dynamics NAV
4 8 (0.15%) nopCommerce
4 8 (0.15%) SAP Hybris
5 6 (0.11%) Distributed Ledger
6 4 (0.075%) Fredhopper
7 3 (0.056%) Remedy ITSM
8 2 (0.037%) Maximo
8 2 (0.037%) NetSuite
8 2 (0.037%) Oracle BPM
8 2 (0.037%) WebTrends
9 1 (0.019%) Dynamics AX
9 1 (0.019%) SAP S/4HANA
9 1 (0.019%) Scribe Insight
Cloud Services
1 987 (18.48%) Microsoft Azure
2 852 (15.95%) Amazon AWS
3 218 (4.08%) SaaS
4 146 (2.73%) GitHub
5 130 (2.43%) Serverless
6 128 (2.40%) Google Cloud Platform
7 77 (1.44%) Cloud Computing
8 68 (1.27%) Amazon EC2
9 58 (1.09%) Office 365
10 54 (1.01%) npm
11 53 (0.99%) PaaS
12 52 (0.97%) AWS Lambda
13 45 (0.84%) G Suite
14 39 (0.73%) Amazon S3
14 39 (0.73%) AWS CloudFormation
15 38 (0.71%) IaaS
16 31 (0.58%) OpenShift
17 30 (0.56%) NuGet
18 25 (0.47%) Amazon SQS
19 21 (0.39%) Amazon EMR
Communications & Networking
1 133 (2.49%) Internet
2 123 (2.30%) HTTP
3 75 (1.40%) TCP/IP
4 37 (0.69%) Bluetooth
5 32 (0.60%) SSL
6 30 (0.56%) Wireless
7 25 (0.47%) Wi-Fi
8 24 (0.45%) RIP
9 20 (0.37%) Broadband
9 20 (0.37%) SSH
10 18 (0.34%) HTTPS
10 18 (0.34%) Reverse Proxy
11 17 (0.32%) Network Security
12 14 (0.26%) Firewall
12 14 (0.26%) MQTT
12 14 (0.26%) SNMP
13 12 (0.22%) DNS
14 11 (0.21%) Skype
15 10 (0.19%) MPLS
16 8 (0.15%) SMTP
Database & Business Intelligence
1 1,048 (19.62%) SQL Server
2 513 (9.60%) NoSQL
3 400 (7.49%) MySQL
4 373 (6.98%) MongoDB
5 336 (6.29%) Relational Database
6 272 (5.09%) PostgreSQL
7 218 (4.08%) Big Data
8 164 (3.07%) SQL Server 2016
9 112 (2.10%) Redis
10 103 (1.93%) Hadoop
11 88 (1.65%) Neo4j
12 83 (1.55%) RDBMS
13 72 (1.35%) SQL Server Reporting Services
14 66 (1.24%) Apache Cassandra
15 62 (1.16%) SQL Server Integration Services
16 52 (0.97%) Amazon DynamoDB
17 38 (0.71%) Amazon RDS
18 37 (0.69%) Blockchain
18 37 (0.69%) Data Warehouse
19 29 (0.54%) Oracle Database
Development Applications
1 1,280 (23.97%) Git (software)
2 647 (12.11%) Jenkins
3 600 (11.23%) Selenium
4 565 (10.58%) JIRA
5 398 (7.45%) Visual Studio
6 371 (6.95%) Maven
7 326 (6.10%) Cucumber
8 275 (5.15%) Team Foundation Server
9 262 (4.91%) JUnit
9 262 (4.91%) TeamCity
10 220 (4.12%) Subversion
11 196 (3.67%) SoapUI
12 194 (3.63%) WebDriver
13 158 (2.96%) NUnit
14 147 (2.75%) Octopus Deploy
15 125 (2.34%) gulp
16 119 (2.23%) JMeter
17 112 (2.10%) GitLab
18 110 (2.06%) Jasmine
19 109 (2.04%) webpack
General
1 732 (13.71%) Finance
2 275 (5.15%) Retail
3 193 (3.61%) Marketing
4 162 (3.03%) Banking
5 136 (2.55%) Manufacturing
6 133 (2.49%) Telecoms
7 100 (1.87%) Games
8 98 (1.83%) Electronics
9 41 (0.77%) Automotive
10 24 (0.45%) Law
11 23 (0.43%) Publishing
12 22 (0.41%) Financial Institution
13 21 (0.39%) Advertising
14 19 (0.36%) Back Office
15 16 (0.30%) Legal
15 16 (0.30%) Pharmaceutical
15 16 (0.30%) Retail Banking
16 11 (0.21%) Investment Banking
17 8 (0.15%) Military
18 5 (0.094%) Aerospace
Job Titles
1 3,742 (70.06%) Developer
2 1,092 (20.45%) .NET Developer
3 978 (18.31%) C# Developer
4 917 (17.17%) Java Developer
5 813 (15.22%) Senior Developer
6 626 (11.72%) Software Engineer
7 609 (11.40%) C# .NET Developer
8 594 (11.12%) Software Developer
9 277 (5.19%) ASP.NET Developer
10 275 (5.15%) C# ASP.NET Developer
11 253 (4.74%) JavaScript Developer
12 251 (4.70%) Front End Developer (Client-Side Developer)
13 237 (4.44%) Senior Java Developer
14 227 (4.25%) Java Engineer
15 224 (4.19%) Full Stack Developer
16 219 (4.10%) Test Engineer
17 216 (4.04%) Senior .NET Developer
18 207 (3.88%) Lead Developer
19 200 (3.74%) ASP.NET MVC Developer
20 199 (3.73%) Agile Developer
Libraries, Frameworks & Software Standards
1 2,054 (38.46%) .NET
2 1,436 (26.89%) HTML
3 1,422 (26.62%) AngularJS
4 1,259 (23.57%) CSS
5 1,186 (22.21%) ASP.NET
6 843 (15.78%) Spring
7 824 (15.43%) React
8 797 (14.92%) ASP.NET MVC
9 757 (14.17%) Node.js
10 689 (12.90%) RESTful
11 682 (12.77%) ASP.NET Web API
12 681 (12.75%) Web Services
13 653 (12.23%) HTML5
14 625 (11.70%) .NET Framework
15 598 (11.20%) REST
16 526 (9.85%) jQuery
17 450 (8.43%) .NET Core
18 386 (7.23%) Entity Framework
19 347 (6.50%) WCF
20 325 (6.09%) JSON
Miscellaneous
1 731 (13.69%) Greenfield Project
2 401 (7.51%) Enterprise Software
3 398 (7.45%) User Experience
4 232 (4.34%) Analytical Skills
5 226 (4.23%) Fintech
6 175 (3.28%) Self-Motivation
7 131 (2.45%) Mobile App
8 123 (2.30%) Algorithms
9 56 (1.05%) Cloud Native
10 50 (0.94%) Internet of Things
11 43 (0.81%) Virtual Team
12 34 (0.64%) Management Information System
13 28 (0.52%) BBC
13 28 (0.52%) Robotics
14 24 (0.45%) Data Structures
15 23 (0.43%) Life Science
16 22 (0.41%) Public Cloud
17 19 (0.36%) iPad
17 19 (0.36%) Xbox
18 18 (0.34%) RIA
Operating Systems
1 574 (10.75%) Linux
2 310 (5.80%) Windows
3 283 (5.30%) Android
4 190 (3.56%) Apple iOS
5 82 (1.54%) Unix
6 35 (0.66%) Windows Server
7 26 (0.49%) Red Hat Enterprise Linux
8 15 (0.28%) CentOS
9 14 (0.26%) Ubuntu
10 11 (0.21%) Windows 10
11 10 (0.19%) Mac OS
12 6 (0.11%) Debian
13 5 (0.094%) watchOS
14 4 (0.075%) Windows 7
14 4 (0.075%) Windows Mobile
14 4 (0.075%) zOS
15 2 (0.037%) Mac OS X
16 1 (0.019%) Embedded Linux
16 1 (0.019%) FreeRTOS
16 1 (0.019%) Windows Server 2008
Processes & Methodologies
1 4,044 (75.72%) Agile Software Development
2 1,979 (37.05%) BDD
3 1,473 (27.58%) Continuous Integration
4 1,461 (27.35%) Scrum
5 1,449 (27.13%) MVC
6 1,423 (26.64%) Software Engineering
7 1,251 (23.42%) Test Automation
8 971 (18.18%) DevOps
9 849 (15.90%) OO
10 699 (13.09%) Microservices
11 644 (12.06%) Mentoring
12 592 (11.08%) Unit Testing
13 566 (10.60%) Problem-Solving
14 547 (10.24%) Kanban
15 536 (10.04%) SOLID
16 533 (9.98%) Pair Programming
17 526 (9.85%) Continuous Delivery
18 464 (8.69%) SDLC
19 428 (8.01%) Open Source
20 398 (7.45%) Front End Development
Programming Languages
1 2,436 (45.61%) JavaScript
2 2,416 (45.23%) C#
3 2,038 (38.16%) Java
4 1,552 (29.06%) SQL
5 673 (12.60%) Python
6 443 (8.29%) C++
7 354 (6.63%) Java 8
8 325 (6.09%) Ruby
9 293 (5.49%) C
10 286 (5.35%) PHP
11 246 (4.61%) TypeScript
12 206 (3.86%) Scala
13 205 (3.84%) T-SQL
14 166 (3.11%) ES6
15 115 (2.15%) Kotlin
16 103 (1.93%) Go
17 84 (1.57%) VB.NET
18 82 (1.54%) Bash Shell
19 71 (1.33%) PL/SQL
20 66 (1.24%) PowerShell
Qualifications
1 490 (9.17%) Degree
2 299 (5.60%) Security Cleared
3 194 (3.63%) SC Cleared
4 192 (3.59%) Computer Science Degree
5 138 (2.58%) DV Cleared
6 112 (2.10%) ISTQB
7 70 (1.31%) Microsoft Certification
8 52 (0.97%) ISEB
9 45 (0.84%) ISTQB Foundation Certification
10 25 (0.47%) Numerate Degree
11 16 (0.30%) DBS Check
11 16 (0.30%) PMI Certification
12 12 (0.22%) Postgraduate
13 9 (0.17%) HND
14 6 (0.11%) BPSS Clearance
14 6 (0.11%) ISTQB Advanced Certification
14 6 (0.11%) MCPD
15 5 (0.094%) MCAD
15 5 (0.094%) MCSD
15 5 (0.094%) MCTS
Quality Assurance & Compliance
1 428 (8.01%) QA
2 31 (0.58%) PSD2
3 30 (0.56%) WAI
4 23 (0.43%) GDPR
5 18 (0.34%) Data Quality
6 17 (0.32%) PMO
7 13 (0.24%) SLA
8 9 (0.17%) 21 CFR Part 11
9 5 (0.094%) ISO/IEC 27001
10 4 (0.075%) WCAG
11 1 (0.019%) PCI DSS
System Software
1 660 (12.36%) Docker
2 50 (0.94%) vSphere
3 40 (0.75%) VirtualBox
4 32 (0.60%) Firmware
5 26 (0.49%) Active Directory
6 20 (0.37%) VMware Infrastructure
7 14 (0.26%) Hyper-V
8 12 (0.22%) HDFS
9 10 (0.19%) Virtual Machines
10 6 (0.11%) Apache ZooKeeper
11 5 (0.094%) etcd
11 5 (0.094%) Tivoli Workload Scheduler
12 4 (0.075%) Apache Flume
12 4 (0.075%) NFS
12 4 (0.075%) Samba
12 4 (0.075%) Varnish
12 4 (0.075%) VMware ESXi
12 4 (0.075%) VMware NSX
13 3 (0.056%) Oracle RAC
14 2 (0.037%) Postfix
Systems Management
1 237 (4.44%) Ansible
2 215 (4.03%) Kubernetes
3 103 (1.93%) Terraform
4 79 (1.48%) Opscode Chef
5 78 (1.46%) Puppet
6 47 (0.88%) HP Quality Center
7 23 (0.43%) Rancher
8 19 (0.36%) HP ALM
9 15 (0.28%) Hadoop YARN
10 12 (0.22%) Kibana
10 12 (0.22%) Salt
11 8 (0.15%) Business Desktop Deployment
11 8 (0.15%) Nagios
11 8 (0.15%) SCOM
12 7 (0.13%) Single Sign-On
13 6 (0.11%) Ambari
13 6 (0.11%) SELinux
14 5 (0.094%) Consul
14 5 (0.094%) Istio
14 5 (0.094%) vCenter Server
Vendors
1 923 (17.28%) Microsoft
2 344 (6.44%) Oracle
3 251 (4.70%) Google
4 108 (2.02%) SAP
5 96 (1.80%) Xamarin
6 75 (1.40%) WorldPay
7 59 (1.10%) Sitecore
8 58 (1.09%) Splunk
9 54 (1.01%) Atlassian
10 43 (0.81%) HP
10 43 (0.81%) Salesforce.com
11 40 (0.75%) Apple
12 37 (0.69%) VMware
13 34 (0.64%) Twitter
14 32 (0.60%) Samsung
15 30 (0.56%) Facebook
16 28 (0.52%) Tableau
17 26 (0.49%) Zend
18 25 (0.47%) IBM
19 22 (0.41%) Cypress Semiconductor