Period
to 9 April 2020

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 9 April 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > England
6 months to
9 Apr 2020
Same period 2019 Same period 2018
Rank 25 26 19
Rank change year-on-year +1 -7 +1
Permanent jobs citing TDD 7,921 10,304 15,398
As % of all permanent jobs advertised in England 7.46% 7.46% 9.28%
As % of the Processes & Methodologies category 8.10% 8.09% 10.05%
Number of salaries quoted 7,339 9,265 14,629
Median annual salary £60,000 £55,000 £50,000
Median salary % change year-on-year +9.09% +10.00% -
10th Percentile £36,250 £35,000 £32,500
90th Percentile £90,000 £86,250 £80,000
UK median annual salary £59,000 £55,000 £50,000
% change year-on-year +7.27% +10.00% -

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 97,815 127,349 153,148
As % of all permanent IT jobs advertised in England 92.10% 92.19% 92.31%
Number of salaries quoted 78,165 101,174 125,356
Median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% +1.01%
10th Percentile £31,250 £30,000 £29,500
90th Percentile £90,000 £85,000 £82,000
UK median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% +5.26%

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 9 April 2020.

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 9 April 2020. 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 +6 4,430 £70,000 +7.69% 522
North of England +4 1,170 £50,000 +5.26% 182
South East -10 1,157 £52,500 +5.00% 152
North West +5 649 £52,500 +5.00% 101
South West -10 480 £50,000 +5.26% 77
Yorkshire 0 425 £50,000 +11.11% 52
Midlands -9 404 £50,000 +11.11% 86
East of England -8 307 £52,500 -0.94% 43
West Midlands +4 240 £50,000 +11.11% 43
East Midlands -7 164 £45,000 +5.88% 43
North East +9 96 £45,000 -2.70% 29
TDD
UK

For the 6 months to 9 April 2020, 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 5,857 (73.94%) Agile Software Development
2 3,417 (43.14%) JavaScript
3 3,323 (41.95%) BDD
4 3,242 (40.93%) C#
5 3,073 (38.80%) .NET
6 2,616 (33.03%) Java
7 2,435 (30.74%) Scrum
8 2,263 (28.57%) AngularJS
9 2,166 (27.35%) Microservices
10 2,096 (26.46%) AWS
11 2,042 (25.78%) Azure
12 1,872 (23.63%) React
13 1,780 (22.47%) MVC
14 1,747 (22.06%) SQL
14 1,747 (22.06%) Git (software)
15 1,715 (21.65%) Software Engineering
16 1,701 (21.47%) DevOps
17 1,690 (21.34%) Continuous Integration
18 1,678 (21.18%) SQL Server
19 1,643 (20.74%) HTML
20 1,620 (20.45%) Node.js
21 1,582 (19.97%) CSS
22 1,547 (19.53%) ASP.NET
23 1,496 (18.89%) Docker
24 1,418 (17.90%) Test Automation
25 1,361 (17.18%) .NET Core
26 1,354 (17.09%) Finance
27 1,244 (15.71%) RESTful
28 1,192 (15.05%) ASP.NET Web API
29 1,158 (14.62%) Kanban

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
1 547 (6.91%) Elasticsearch
2 280 (3.53%) Confluence
3 143 (1.81%) CMS
4 134 (1.69%) Apache Spark
5 109 (1.38%) Tomcat
6 103 (1.30%) Apache
7 75 (0.95%) Sitecore CMS
7 75 (0.95%) Umbraco
8 69 (0.87%) IIS
9 63 (0.80%) nginx
10 52 (0.66%) EPiServer
11 41 (0.52%) Cloud Foundry
12 37 (0.47%) WebSphere
13 33 (0.42%) JBoss
13 33 (0.42%) Sitefinity
14 31 (0.39%) SharePoint
15 30 (0.38%) Adobe Experience Manager
16 29 (0.37%) Kentico
17 26 (0.33%) DNN
17 26 (0.33%) Immediacy CMS
Applications
1 30 (0.38%) Chatbot
2 26 (0.33%) Adobe XD
3 25 (0.32%) InVision
3 25 (0.32%) Zeplin
4 15 (0.19%) Microsoft Excel
5 13 (0.16%) Microsoft Office
6 12 (0.15%) Photoshop
7 6 (0.076%) Adobe Illustrator
7 6 (0.076%) Spreadsheet
8 5 (0.063%) MS Visio
9 4 (0.050%) Microsoft Project
10 2 (0.025%) Adobe Creative Suite
10 2 (0.025%) Sketch
11 1 (0.013%) Figma
11 1 (0.013%) Gliffy
11 1 (0.013%) Mingle
Business Applications
1 57 (0.72%) Dynamics CRM
2 22 (0.28%) Payment Gateway
3 19 (0.24%) Magento
4 14 (0.18%) WebTrends
5 8 (0.10%) Dynamics AX
5 8 (0.10%) SAP Hybris
5 8 (0.10%) SDL Web 8
6 7 (0.088%) Dynamics NAV
7 6 (0.076%) Distributed Ledger
8 4 (0.050%) R3 Corda
9 3 (0.038%) Tesseract
10 2 (0.025%) Adobe Campaign
10 2 (0.025%) Unit4 Business World
11 1 (0.013%) Oracle BPM
11 1 (0.013%) PolarLake
11 1 (0.013%) Remedy ITSM
11 1 (0.013%) Salesforce.com CRM
11 1 (0.013%) Shopify
Cloud Services
1 2,096 (26.46%) AWS
2 2,042 (25.78%) Azure
3 408 (5.15%) Serverless
4 351 (4.43%) SaaS
5 289 (3.65%) GitHub
6 271 (3.42%) GCP
7 206 (2.60%) AWS Lambda
8 155 (1.96%) PaaS
9 114 (1.44%) Amazon EC2
10 111 (1.40%) Amazon S3
11 98 (1.24%) OpenShift
12 92 (1.16%) Amazon SQS
13 82 (1.04%) npm
14 69 (0.87%) AWS CloudFormation
15 64 (0.81%) Cloud Computing
16 44 (0.56%) Power Platform
16 44 (0.56%) Slack
17 40 (0.50%) Heroku
18 38 (0.48%) Azure Functions
19 37 (0.47%) Amazon Cognito
Communications & Networking
1 180 (2.27%) Internet
2 115 (1.45%) HTTP
3 27 (0.34%) Broadband
4 21 (0.27%) TCP/IP
5 20 (0.25%) DNS
5 20 (0.25%) Skype
6 14 (0.18%) SSL
7 11 (0.14%) FTP
8 10 (0.13%) AMQP
8 10 (0.13%) Bluetooth
9 9 (0.11%) Wi-Fi
9 9 (0.11%) Wireless
10 8 (0.10%) GoToMeeting
10 8 (0.10%) Hyperconnected
10 8 (0.10%) MPLS
10 8 (0.10%) SNMP
10 8 (0.10%) Softphone
11 7 (0.088%) MQTT
12 6 (0.076%) FIX Connectivity
13 5 (0.063%) VoIP
Database & Business Intelligence
1 1,678 (21.18%) SQL Server
2 805 (10.16%) NoSQL
3 744 (9.39%) MongoDB
4 552 (6.97%) MySQL
5 395 (4.99%) PostgreSQL
6 352 (4.44%) SQL Server 2019
7 278 (3.51%) Relational Database
8 268 (3.38%) SQL Server 2016
9 200 (2.52%) Redis
10 163 (2.06%) Big Data
11 160 (2.02%) Hadoop
12 122 (1.54%) Apache Cassandra
13 104 (1.31%) Amazon RDS
14 102 (1.29%) Amazon DynamoDB
15 95 (1.20%) Azure SQL Database
16 83 (1.05%) Data Warehouse
17 78 (0.98%) Cosmos DB
18 64 (0.81%) RDBMS
19 49 (0.62%) SQL Server 2012
20 44 (0.56%) Amazon Redshift
Development Applications
1 1,747 (22.06%) Git (software)
2 799 (10.09%) Jenkins
3 636 (8.03%) Selenium
4 581 (7.33%) JIRA
5 358 (4.52%) Cucumber
6 353 (4.46%) Maven
7 336 (4.24%) Visual Studio
8 276 (3.48%) JUnit
9 274 (3.46%) NUnit
10 271 (3.42%) TeamCity
11 207 (2.61%) Team Foundation Server
12 203 (2.56%) SpecFlow
13 173 (2.18%) Bitbucket
13 173 (2.18%) Jasmine
14 164 (2.07%) Octopus Deploy
15 156 (1.97%) webpack
16 153 (1.93%) SoapUI
17 142 (1.79%) WebDriver
18 139 (1.75%) Subversion
19 138 (1.74%) Postman
General
1 1,354 (17.09%) Finance
2 502 (6.34%) Banking
3 450 (5.68%) Games
4 444 (5.61%) Retail
5 262 (3.31%) Marketing
6 217 (2.74%) Public Sector
7 168 (2.12%) Front Office
8 118 (1.49%) Telecoms
9 87 (1.10%) Investment Banking
10 82 (1.04%) Legal
11 73 (0.92%) Advertising
12 71 (0.90%) Financial Institution
13 64 (0.81%) Manufacturing
14 61 (0.77%) Electronics
15 58 (0.73%) Back Office
15 58 (0.73%) Law
16 41 (0.52%) Publishing
17 38 (0.48%) Automotive
18 19 (0.24%) Aerospace
19 18 (0.23%) Online Betting
Job Titles
1 5,377 (67.88%) Developer
2 1,591 (20.09%) .NET Developer
3 1,254 (15.83%) Senior Developer
4 1,214 (15.33%) C# Developer
5 1,182 (14.92%) Java Developer
6 858 (10.83%) Software Engineer
7 763 (9.63%) C# .NET Developer
8 613 (7.74%) Software Developer
9 498 (6.29%) Full Stack Developer
10 401 (5.06%) React Developer
11 372 (4.70%) Senior Java Developer
12 365 (4.61%) Java Engineer
13 352 (4.44%) Front End Developer (Client-Side Developer)
14 315 (3.98%) JavaScript Developer
15 273 (3.45%) Lead Developer
16 260 (3.28%) Senior .NET Developer
17 254 (3.21%) Junior
18 248 (3.13%) Senior Software Engineer
19 247 (3.12%) Java Software Engineer
20 233 (2.94%) PHP Developer
Libraries, Frameworks & Software Standards
1 3,073 (38.80%) .NET
2 2,263 (28.57%) AngularJS
3 1,872 (23.63%) React
4 1,643 (20.74%) HTML
5 1,620 (20.45%) Node.js
6 1,582 (19.97%) CSS
7 1,547 (19.53%) ASP.NET
8 1,361 (17.18%) .NET Core
9 1,244 (15.71%) RESTful
10 1,192 (15.05%) ASP.NET Web API
11 1,145 (14.46%) ASP.NET MVC
12 1,126 (14.22%) Spring
13 1,112 (14.04%) .NET Framework
14 939 (11.85%) REST
15 892 (11.26%) Web Services
16 801 (10.11%) Entity Framework
17 702 (8.86%) Vue.js
18 701 (8.85%) HTML5
19 498 (6.29%) jQuery
20 461 (5.82%) Spring Boot
Miscellaneous
1 951 (12.01%) Greenfield Project
2 486 (6.14%) User Experience
3 365 (4.61%) Mobile App
4 318 (4.01%) Enterprise Software
5 269 (3.40%) Analytical Skills
6 218 (2.75%) Data Structures
7 211 (2.66%) Algorithms
8 194 (2.45%) Self-Motivation
9 123 (1.55%) Cloud Native
10 82 (1.04%) Hedge funds
11 73 (0.92%) Public Cloud
12 71 (0.90%) Foreign Exchange (FX)
13 64 (0.81%) Blog
14 60 (0.76%) Tandem
15 57 (0.72%) Client/Server
16 54 (0.68%) Virtual Team
17 53 (0.67%) Fixed Income
18 46 (0.58%) Derivative
19 45 (0.57%) N-Tier
20 43 (0.54%) iPad
Operating Systems
1 663 (8.37%) Linux
2 424 (5.35%) Windows
3 365 (4.61%) Android
4 341 (4.31%) Apple iOS
5 267 (3.37%) Unix
6 130 (1.64%) Mac OS X
7 22 (0.28%) CentOS
8 21 (0.27%) Red Hat Enterprise Linux
8 21 (0.27%) Windows Server 2019
9 20 (0.25%) Windows Server
10 17 (0.21%) Mac OS
11 10 (0.13%) Ubuntu
12 8 (0.10%) Windows Server 2016
13 7 (0.088%) Debian
14 6 (0.076%) watchOS
15 4 (0.050%) tvOS
16 3 (0.038%) Solaris
17 2 (0.025%) ThreadX
17 2 (0.025%) VMS
18 1 (0.013%) Embedded Linux
Processes & Methodologies
1 5,857 (73.94%) Agile Software Development
2 3,323 (41.95%) BDD
3 2,435 (30.74%) Scrum
4 2,166 (27.35%) Microservices
5 1,780 (22.47%) MVC
6 1,715 (21.65%) Software Engineering
7 1,701 (21.47%) DevOps
8 1,690 (21.34%) Continuous Integration
9 1,418 (17.90%) Test Automation
10 1,158 (14.62%) Kanban
11 945 (11.93%) OO
12 785 (9.91%) Pair Programming
13 756 (9.54%) Unit Testing
14 751 (9.48%) Mentoring
15 705 (8.90%) SOLID
16 680 (8.58%) Problem-Solving
17 637 (8.04%) Fintech
18 618 (7.80%) Front End Development
19 608 (7.68%) Web Application Development
20 594 (7.50%) Continuous Delivery
Programming Languages
1 3,417 (43.14%) JavaScript
2 3,242 (40.93%) C#
3 2,616 (33.03%) Java
4 1,747 (22.06%) SQL
5 965 (12.18%) TypeScript
6 938 (11.84%) Python
7 730 (9.22%) Java 8
8 559 (7.06%) PHP
9 428 (5.40%) Ruby
10 382 (4.82%) Scala
11 375 (4.73%) Kotlin
12 253 (3.19%) C++
13 233 (2.94%) T-SQL
14 229 (2.89%) ES6
15 177 (2.23%) Apple Swift
16 139 (1.75%) Go
17 133 (1.68%) C
18 131 (1.65%) PowerShell
19 101 (1.28%) Objective-C
20 90 (1.14%) Bash Shell
Qualifications
1 582 (7.35%) Degree
2 180 (2.27%) Computer Science Degree
3 172 (2.17%) Security Cleared
4 89 (1.12%) SC Cleared
5 67 (0.85%) ISEB
6 66 (0.83%) ISTQB
7 60 (0.76%) DV Cleared
8 38 (0.48%) Microsoft Certification
9 29 (0.37%) Numerate Degree
10 23 (0.29%) Postgraduate
11 15 (0.19%) Master's Degree
12 13 (0.16%) MCP
13 10 (0.13%) IIBA
13 10 (0.13%) TOGAF Certification
14 8 (0.10%) ISTQB Foundation Certification
15 4 (0.050%) MBA
15 4 (0.050%) MCSD
16 3 (0.038%) MBCS
16 3 (0.038%) PhD
16 3 (0.038%) PMI Certification
Quality Assurance & Compliance
1 595 (7.51%) QA
2 30 (0.38%) GDPR
3 13 (0.16%) Data Quality
4 12 (0.15%) ISO/IEC 27001
5 11 (0.14%) PMO
6 7 (0.088%) ISO 15022
6 7 (0.088%) ISO 20022
7 6 (0.076%) ISO 9001
8 5 (0.063%) PCI DSS
9 4 (0.050%) PMBOK
10 2 (0.025%) PSD2
10 2 (0.025%) WAI
11 1 (0.013%) IEC 62304
11 1 (0.013%) ISO 13485
11 1 (0.013%) NIST
11 1 (0.013%) SLA
System Software
1 1,496 (18.89%) Docker
2 47 (0.59%) Active Directory
3 33 (0.42%) VMware Infrastructure
4 24 (0.30%) vSphere
5 16 (0.20%) Postfix
6 15 (0.19%) Apache ZooKeeper
7 9 (0.11%) HDFS
8 8 (0.10%) Virtual Machines
9 7 (0.088%) Hyper-V
10 5 (0.063%) vCloud
11 4 (0.050%) LXC
12 3 (0.038%) NDS
12 3 (0.038%) NetIQ eDirectory
13 2 (0.025%) Oracle RAC
13 2 (0.025%) VirtualBox
14 1 (0.013%) Apache Flume
14 1 (0.013%) Cronacle
14 1 (0.013%) Firmware
Systems Management
1 1,001 (12.64%) Kubernetes
2 301 (3.80%) Terraform
3 285 (3.60%) Ansible
4 126 (1.59%) Puppet
5 101 (1.28%) Opscode Chef
6 39 (0.49%) Mesos
7 38 (0.48%) Marathon
8 36 (0.45%) HP Quality Center
9 35 (0.44%) Kibana
10 23 (0.29%) Istio
11 21 (0.27%) Grafana
12 20 (0.25%) Rancher
13 17 (0.21%) Prometheus
13 17 (0.21%) Single Sign-On
14 13 (0.16%) MIIS
15 12 (0.15%) Salt
16 11 (0.14%) logstash
17 9 (0.11%) Docker Swarm
18 7 (0.088%) NetIQ Identity Manager
19 6 (0.076%) HP ALM
Vendors
1 1,007 (12.71%) Microsoft
2 337 (4.25%) Oracle
3 248 (3.13%) Google
4 110 (1.39%) SAP
5 105 (1.33%) Atlassian
6 85 (1.07%) Sitecore
7 81 (1.02%) Adobe
8 80 (1.01%) Zend
9 78 (0.98%) WorldPay
10 72 (0.91%) Salesforce.com
11 68 (0.86%) FIS
12 54 (0.68%) IBM
13 46 (0.58%) HP
13 46 (0.58%) Red Hat
13 46 (0.58%) Splunk
14 43 (0.54%) Xamarin
15 42 (0.53%) Tableau
16 39 (0.49%) TIBCO
17 36 (0.45%) Facebook
18 34 (0.43%) VMware