Period
to 3 July 2020

The following table provides summary statistics for permanent job vacancies advertised in the North of 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 3 July 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > North of England
6 months to
3 Jul 2020
Same period 2019 Same period 2018
Rank 30 34 19
Rank change year-on-year +4 -15 +1
Permanent jobs citing TDD 760 1,298 2,285
As % of all permanent jobs advertised in the North of England 7.11% 6.64% 9.44%
As % of the Processes & Methodologies category 7.72% 7.19% 10.17%
Number of salaries quoted 760 1,105 2,136
Median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% +5.88%
10th Percentile £36,250 £33,750 £32,500
90th Percentile £70,000 £67,171 £66,250
England median annual salary £60,000 £55,000 £52,500
% change year-on-year +9.09% +4.76% -

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 North of England with a requirement for process or methodology skills.

All Process and Methodology Skills
North of England
Permanent vacancies with a requirement for process or methodology skills 9,850 18,058 22,466
As % of all permanent IT jobs advertised in the North of England 92.18% 92.43% 92.84%
Number of salaries quoted 8,003 13,809 18,496
Median annual salary £47,500 £45,000 £42,500
Median salary % change year-on-year +5.56% +5.88% +6.25%
10th Percentile £29,000 £26,250 £26,250
90th Percentile £70,000 £67,500 £65,000
England median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% -

TDD
Job Vacancy Trend in the North of England

Job postings citing TDD as a proportion of all IT jobs advertised in the North of England.

Job vacancy trend for TDD in the North of England

TDD
Salary Trend in the North of England

3-month moving average salary quoted in jobs citing TDD in the North of England.

Salary trend for TDD in the North of England

TDD
Salary Histogram in the North of England

Salary distribution for jobs citing TDD in the North of England over the 6 months to 3 July 2020.

Salary histogram for TDD in the North of England

TDD
Job Locations in the North of England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the North of England region over the 6 months to 3 July 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
North West +1 408 £52,500 - 87
Yorkshire +13 276 £50,000 +11.11% 40
North East +24 76 £45,000 -2.17% 20
TDD
England

For the 6 months to 3 July 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 North of England region with a requirement for TDD.

1 526 (69.21%) Agile Software Development
2 370 (48.68%) JavaScript
3 338 (44.47%) BDD
4 277 (36.45%) C#
5 265 (34.87%) .NET
6 231 (30.39%) Software Engineering
7 222 (29.21%) Java
8 204 (26.84%) DevOps
9 194 (25.53%) Microservices
10 186 (24.47%) AWS
11 183 (24.08%) SQL
12 181 (23.82%) AngularJS
13 169 (22.24%) React
14 162 (21.32%) .NET Core
15 156 (20.53%) Docker
16 155 (20.39%) HTML
17 152 (20.00%) Git (software)
18 148 (19.47%) MVC
19 146 (19.21%) Test Automation
20 145 (19.08%) Node.js
21 143 (18.82%) Azure
22 141 (18.55%) Scrum
23 136 (17.89%) CSS
24 110 (14.47%) Python
25 103 (13.55%) PHP
26 101 (13.29%) Continuous Integration
27 100 (13.16%) ASP.NET
28 96 (12.63%) Spring
29 93 (12.24%) Greenfield Project
30 90 (11.84%) Unit Testing

TDD
Co-occurring IT Skills in the North of 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 25 (3.29%) Apache
2 24 (3.16%) nginx
3 17 (2.24%) Elasticsearch
4 15 (1.97%) CMS
4 15 (1.97%) Confluence
5 10 (1.32%) Umbraco
6 9 (1.18%) Sitecore CMS
7 5 (0.66%) SAS
8 3 (0.39%) Sitefinity
8 3 (0.39%) Tomcat
9 2 (0.26%) Camunda
9 2 (0.26%) Cloud Foundry
9 2 (0.26%) GemFire
9 2 (0.26%) NServiceBus
9 2 (0.26%) Red Hat Fuse
10 1 (0.13%) Apache Spark
10 1 (0.13%) Drupal
10 1 (0.13%) Oracle SOA Suite
10 1 (0.13%) Oracle Workflow
Applications
1 3 (0.39%) Microsoft Office
2 2 (0.26%) MS Visio
3 1 (0.13%) Spreadsheet
Business Applications
1 9 (1.18%) SDL Web 8
2 4 (0.53%) Dynamics NAV
3 3 (0.39%) WebTrends
4 2 (0.26%) Magento
Cloud Services
1 186 (24.47%) AWS
2 143 (18.82%) Azure
3 88 (11.58%) Serverless
4 46 (6.05%) AWS Lambda
5 38 (5.00%) SaaS
6 29 (3.82%) GCP
7 21 (2.76%) Amazon S3
8 19 (2.50%) Amazon EC2
9 17 (2.24%) npm
10 12 (1.58%) Cloudflare
10 12 (1.58%) GitHub
11 6 (0.79%) Amazon ECS
11 6 (0.79%) AWS CloudFormation
12 5 (0.66%) Office 365
13 4 (0.53%) Amazon Kinesis
13 4 (0.53%) Cloud Computing
13 4 (0.53%) G Suite
14 3 (0.39%) BrowserStack
14 3 (0.39%) Slack
15 2 (0.26%) Amazon Cognito
Communications & Networking
1 17 (2.24%) Skype
2 14 (1.84%) HTTP
3 10 (1.32%) Internet
4 6 (0.79%) SSL
5 5 (0.66%) AMQP
6 3 (0.39%) DNS
6 3 (0.39%) Firewall
6 3 (0.39%) TCP/IP
6 3 (0.39%) Wireless
7 2 (0.26%) Bluetooth
7 2 (0.26%) Wi-Fi
8 1 (0.13%) Ethernet
8 1 (0.13%) VLAN
Database & Business Intelligence
1 71 (9.34%) SQL Server
2 70 (9.21%) NoSQL
3 58 (7.63%) PostgreSQL
4 48 (6.32%) MySQL
5 38 (5.00%) MongoDB
6 30 (3.95%) Redis
7 28 (3.68%) Relational Database
8 14 (1.84%) RDBMS
9 7 (0.92%) Amazon DynamoDB
9 7 (0.92%) Azure SQL Database
9 7 (0.92%) Data Warehouse
9 7 (0.92%) Neo4j
10 5 (0.66%) Amazon RDS
10 5 (0.66%) SQL Server Reporting Services
11 4 (0.53%) Amazon Athena
11 4 (0.53%) Cosmos DB
11 4 (0.53%) Oracle Database
11 4 (0.53%) SQL Server Integration Services
12 3 (0.39%) Couchbase
12 3 (0.39%) HBase
Development Applications
1 152 (20.00%) Git (software)
2 77 (10.13%) Selenium
3 73 (9.61%) Jenkins
4 50 (6.58%) JIRA
5 43 (5.66%) Maven
6 40 (5.26%) SoapUI
7 27 (3.55%) Cucumber
8 26 (3.42%) Mercurial
8 26 (3.42%) Subversion
9 24 (3.16%) Team Foundation Server
10 23 (3.03%) WebDriver
11 20 (2.63%) webpack
12 17 (2.24%) JMeter
12 17 (2.24%) Postman
12 17 (2.24%) SpecFlow
13 16 (2.11%) Gradle
13 16 (2.11%) PHPUnit
14 14 (1.84%) Appium
14 14 (1.84%) Mockito
14 14 (1.84%) TeamCity
General
1 75 (9.87%) Finance
2 38 (5.00%) Marketing
3 23 (3.03%) Public Sector
4 22 (2.89%) Games
5 13 (1.71%) Electronics
5 13 (1.71%) Retail
5 13 (1.71%) Telecoms
6 11 (1.45%) Manufacturing
7 10 (1.32%) Banking
8 7 (0.92%) Law
9 5 (0.66%) Financial Institution
10 3 (0.39%) Automotive
11 2 (0.26%) Advertising
11 2 (0.26%) Environmental Health
11 2 (0.26%) Publishing
12 1 (0.13%) Legal
12 1 (0.13%) Local Government
Job Titles
1 496 (65.26%) Developer
2 191 (25.13%) Senior Developer
3 146 (19.21%) Software Engineer
4 122 (16.05%) .NET Developer
5 93 (12.24%) Java Developer
6 71 (9.34%) Software Developer
7 69 (9.08%) C# Developer
8 64 (8.42%) Senior .NET Developer
9 58 (7.63%) Senior Java Developer
10 48 (6.32%) JavaScript Developer
11 46 (6.05%) Senior Software Engineer
12 42 (5.53%) PHP Developer
13 39 (5.13%) C# .NET Developer
14 38 (5.00%) Lead Developer
15 37 (4.87%) Front End Developer (Client-Side Developer)
16 36 (4.74%) Full Stack Developer
17 33 (4.34%) .NET Software Engineer
18 29 (3.82%) Analyst
18 29 (3.82%) Angular Developer
19 28 (3.68%) React Developer
Libraries, Frameworks & Software Standards
1 265 (34.87%) .NET
2 181 (23.82%) AngularJS
3 169 (22.24%) React
4 162 (21.32%) .NET Core
5 155 (20.39%) HTML
6 145 (19.08%) Node.js
7 136 (17.89%) CSS
8 100 (13.16%) ASP.NET
9 96 (12.63%) Spring
10 81 (10.66%) Vue.js
11 77 (10.13%) RESTful
12 74 (9.74%) Web Services
13 69 (9.08%) Spring Boot
14 64 (8.42%) HTML5
15 63 (8.29%) ASP.NET MVC
16 61 (8.03%) ASP.NET Web API
17 59 (7.76%) Redux
17 59 (7.76%) REST
18 52 (6.84%) .NET Framework
19 48 (6.32%) Sass
Miscellaneous
1 93 (12.24%) Greenfield Project
2 70 (9.21%) User Experience
3 64 (8.42%) Mobile App
4 57 (7.50%) Enterprise Software
5 34 (4.47%) Cloud Native
6 21 (2.76%) Virtual Team
7 14 (1.84%) Self-Motivation
8 13 (1.71%) Algorithms
8 13 (1.71%) Data Structures
9 8 (1.05%) NHS
10 6 (0.79%) Online Games
10 6 (0.79%) Wiki
11 4 (0.53%) e-Learning
11 4 (0.53%) RIA
11 4 (0.53%) Social Media
12 3 (0.39%) BBC
12 3 (0.39%) Embedded Systems
13 2 (0.26%) Animation
13 2 (0.26%) Device Driver
13 2 (0.26%) N-Tier
Operating Systems
1 39 (5.13%) Linux
2 22 (2.89%) Apple iOS
3 19 (2.50%) Android
4 3 (0.39%) Debian
4 3 (0.39%) Ubuntu
4 3 (0.39%) Windows
5 2 (0.26%) watchOS
6 1 (0.13%) Embedded Linux
6 1 (0.13%) Mac OS
6 1 (0.13%) Unix
Processes & Methodologies
1 526 (69.21%) Agile Software Development
2 338 (44.47%) BDD
3 231 (30.39%) Software Engineering
4 204 (26.84%) DevOps
5 194 (25.53%) Microservices
6 148 (19.47%) MVC
7 146 (19.21%) Test Automation
8 141 (18.55%) Scrum
9 101 (13.29%) Continuous Integration
10 90 (11.84%) Unit Testing
11 80 (10.53%) OO
12 76 (10.00%) SOLID
13 75 (9.87%) Pair Programming
14 70 (9.21%) SDLC
15 61 (8.03%) E-Commerce
15 61 (8.03%) OOP
16 52 (6.84%) Kanban
17 45 (5.92%) Front End Development
18 40 (5.26%) Coaching
19 38 (5.00%) Mentoring
Programming Languages
1 370 (48.68%) JavaScript
2 277 (36.45%) C#
3 222 (29.21%) Java
4 183 (24.08%) SQL
5 110 (14.47%) Python
6 103 (13.55%) PHP
7 86 (11.32%) TypeScript
8 56 (7.37%) Java 8
9 34 (4.47%) Ruby
10 31 (4.08%) Scala
11 27 (3.55%) C
12 22 (2.89%) C++
12 22 (2.89%) ES6
13 19 (2.50%) Go
13 19 (2.50%) Lua
14 16 (2.11%) Kotlin
15 11 (1.45%) T-SQL
16 9 (1.18%) Groovy
17 6 (0.79%) VB.NET
18 5 (0.66%) Apple Swift
Qualifications
1 9 (1.18%) Security Cleared
2 8 (1.05%) Degree
3 5 (0.66%) Computer Science Degree
3 5 (0.66%) SC Cleared
4 4 (0.53%) DV Cleared
4 4 (0.53%) ISTQB
5 3 (0.39%) ISTQB Foundation Certification
6 2 (0.26%) ISEB
7 1 (0.13%) DBS Check
7 1 (0.13%) IIBA
Quality Assurance & Compliance
1 90 (11.84%) QA
2 7 (0.92%) PCI DSS
3 3 (0.39%) Data Quality
3 3 (0.39%) GDPR
4 1 (0.13%) PMO
System Software
1 156 (20.53%) Docker
2 3 (0.39%) VMware Infrastructure
3 2 (0.26%) Postfix
3 2 (0.26%) vSphere
4 1 (0.13%) Active Directory
4 1 (0.13%) NDS
4 1 (0.13%) NetIQ eDirectory
Systems Management
1 62 (8.16%) Kubernetes
2 28 (3.68%) Terraform
3 17 (2.24%) Ansible
4 9 (1.18%) Opscode Chef
5 7 (0.92%) Kibana
5 7 (0.92%) Puppet
6 4 (0.53%) HP Quality Center
6 4 (0.53%) logstash
7 2 (0.26%) Grafana
8 1 (0.13%) NetIQ Identity Manager
8 1 (0.13%) Oracle Identity Manager
8 1 (0.13%) Salt
8 1 (0.13%) Tivoli
8 1 (0.13%) Tivoli Identity Manager
Vendors
1 79 (10.39%) Microsoft
2 18 (2.37%) Google
3 13 (1.71%) Oracle
4 12 (1.58%) Sitecore
5 11 (1.45%) SAP
6 9 (1.18%) Xamarin
7 8 (1.05%) Splunk
8 5 (0.66%) TIBCO
9 4 (0.53%) HP
9 4 (0.53%) IBM
10 3 (0.39%) Atlassian
10 3 (0.39%) CA
10 3 (0.39%) CA Agile Central
10 3 (0.39%) Cognizant
10 3 (0.39%) Micro Focus
10 3 (0.39%) Parasoft
10 3 (0.39%) Progress
10 3 (0.39%) VMware
10 3 (0.39%) Zend
11 2 (0.26%) Automation Anywhere