Period
to 28 September 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 28 September 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > North of England
6 months to
28 Sep 2020
Same period 2019 Same period 2018
Rank 32 34 23
Rank change year-on-year +2 -11 -3
Permanent jobs citing TDD 490 1,224 1,954
As % of all permanent jobs advertised in the North of England 6.81% 6.51% 8.94%
As % of the Processes & Methodologies category 7.32% 7.02% 9.74%
Number of salaries quoted 554 1,043 1,732
Median annual salary £50,000 £50,000 £45,000
Median salary % change year-on-year - +11.11% +5.88%
10th Percentile £37,500 £35,000 £32,500
90th Percentile £80,000 £65,000 £70,000
England median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% +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 6,698 17,430 20,058
As % of all permanent IT jobs advertised in the North of England 93.03% 92.67% 91.78%
Number of salaries quoted 5,728 13,519 16,313
Median annual salary £47,500 £45,000 £44,000
Median salary % change year-on-year +5.56% +2.27% +3.53%
10th Percentile £31,250 £26,250 £25,750
90th Percentile £68,750 £67,500 £65,000
England median annual salary £57,500 £52,500 £50,500
% change year-on-year +9.52% +3.96% +1.00%

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 28 September 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 28 September 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 -2 273 £55,000 +4.76% 127
Yorkshire +15 170 £50,000 +5.26% 43
North East +13 47 £45,000 +4.65% 26
TDD
England

For the 6 months to 28 September 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.

1 313 (63.88%) Agile Software Development
2 236 (48.16%) JavaScript
3 220 (44.90%) C#
4 188 (38.37%) .NET
5 169 (34.49%) BDD
6 163 (33.27%) Software Engineering
7 146 (29.80%) SQL
8 131 (26.73%) AngularJS
9 130 (26.53%) Microservices
10 129 (26.33%) DevOps
11 123 (25.10%) Java
12 111 (22.65%) .NET Core
13 101 (20.61%) Git (software)
13 101 (20.61%) Test Automation
14 99 (20.20%) React
15 98 (20.00%) Node.js
16 95 (19.39%) HTML
17 93 (18.98%) Docker
18 89 (18.16%) Continuous Integration
19 87 (17.76%) OO
20 81 (16.53%) Finance
20 81 (16.53%) Azure
21 80 (16.33%) Unit Testing
22 78 (15.92%) MVC
23 77 (15.71%) AWS
24 71 (14.49%) CSS
25 67 (13.67%) Scrum
26 66 (13.47%) RESTful
27 63 (12.86%) Python
28 62 (12.65%) NoSQL

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 17 (3.47%) Elasticsearch
1 17 (3.47%) nginx
2 11 (2.24%) NServiceBus
3 9 (1.84%) CMS
4 7 (1.43%) Confluence
5 4 (0.82%) Sitecore CMS
5 4 (0.82%) Umbraco
6 3 (0.61%) Apache
7 2 (0.41%) Tomcat
8 1 (0.20%) Apache Spark
Applications
1 5 (1.02%) MS Visio
2 3 (0.61%) Microsoft Office
Business Applications
1 5 (1.02%) Magento
2 4 (0.82%) SDL Web 8
3 1 (0.20%) Payment Gateway
Cloud Services
1 81 (16.53%) Azure
2 77 (15.71%) AWS
3 50 (10.20%) Serverless
4 22 (4.49%) AWS Lambda
5 20 (4.08%) SaaS
6 19 (3.88%) GCP
7 18 (3.67%) Cloud Computing
8 17 (3.47%) npm
9 10 (2.04%) NuGet
10 9 (1.84%) Logic Apps
11 5 (1.02%) Amazon S3
11 5 (1.02%) IaaS
11 5 (1.02%) PaaS
11 5 (1.02%) Yarn
12 4 (0.82%) Amazon ECS
12 4 (0.82%) Virtual Private Cloud
13 3 (0.61%) AWS CloudFormation
13 3 (0.61%) Google Play
13 3 (0.61%) iTunes
14 2 (0.41%) DigitalOcean
Communications & Networking
1 18 (3.67%) Skype
2 5 (1.02%) AMQP
3 3 (0.61%) DNS
3 3 (0.61%) SSL
3 3 (0.61%) TCP/IP
4 2 (0.41%) Firewall
4 2 (0.41%) Wireless
5 1 (0.20%) SSH
Database & Business Intelligence
1 62 (12.65%) NoSQL
2 61 (12.45%) SQL Server
3 38 (7.76%) PostgreSQL
4 27 (5.51%) MongoDB
5 24 (4.90%) MySQL
6 22 (4.49%) Relational Database
7 17 (3.47%) Redis
8 13 (2.65%) Data Warehouse
9 9 (1.84%) SQL Server Analysis Services
10 8 (1.63%) Amazon DynamoDB
11 6 (1.22%) SQL Server Integration Services
12 5 (1.02%) Azure SQL Database
13 4 (0.82%) Big Data
13 4 (0.82%) Data Mart
13 4 (0.82%) Oracle Database
13 4 (0.82%) RDBMS
14 3 (0.61%) Amazon RDS
14 3 (0.61%) HBase
14 3 (0.61%) Neo4j
15 2 (0.41%) SQL Server Reporting Services
Development Applications
1 101 (20.61%) Git (software)
2 57 (11.63%) Jenkins
3 51 (10.41%) Selenium
4 42 (8.57%) JIRA
5 36 (7.35%) TeamCity
6 25 (5.10%) SoapUI
7 23 (4.69%) Maven
8 22 (4.49%) WebDriver
9 18 (3.67%) Subversion
10 16 (3.27%) SpecFlow
11 15 (3.06%) Mercurial
12 14 (2.86%) Team Foundation Server
12 14 (2.86%) webpack
13 11 (2.24%) Cucumber
13 11 (2.24%) Mocha
13 11 (2.24%) NUnit
14 10 (2.04%) Mockito
15 9 (1.84%) JUnit
15 9 (1.84%) TestCafe
16 8 (1.63%) Visual Studio
General
1 81 (16.53%) Finance
2 22 (4.49%) Marketing
3 15 (3.06%) Games
3 15 (3.06%) Public Sector
3 15 (3.06%) Retail
4 11 (2.24%) Electronics
5 10 (2.04%) Telecoms
6 9 (1.84%) Manufacturing
7 6 (1.22%) Law
8 2 (0.41%) Financial Institution
8 2 (0.41%) Housing Association
9 1 (0.20%) Advertising
9 1 (0.20%) Back Office
Job Titles
1 335 (68.37%) Developer
2 117 (23.88%) Software Engineer
3 98 (20.00%) Senior Developer
4 89 (18.16%) .NET Developer
5 61 (12.45%) Software Developer
6 43 (8.78%) C# Developer
7 37 (7.55%) C# .NET Developer
7 37 (7.55%) Senior .NET Developer
8 33 (6.73%) Java Developer
9 32 (6.53%) Angular Developer
9 32 (6.53%) Senior Software Engineer
10 29 (5.92%) JavaScript Developer
11 25 (5.10%) PHP Developer
12 24 (4.90%) .NET Software Developer
12 24 (4.90%) .NET Software Engineer
12 24 (4.90%) Development Engineer
13 23 (4.69%) Developer/Software Engineer
13 23 (4.69%) Lead Developer
14 22 (4.49%) SQL Developer
14 22 (4.49%) Test Engineer
Libraries, Frameworks & Software Standards
1 188 (38.37%) .NET
2 131 (26.73%) AngularJS
3 111 (22.65%) .NET Core
4 99 (20.20%) React
5 98 (20.00%) Node.js
6 95 (19.39%) HTML
7 71 (14.49%) CSS
8 66 (13.47%) RESTful
9 57 (11.63%) ASP.NET
10 47 (9.59%) ASP.NET Web API
11 44 (8.98%) .NET Framework
11 44 (8.98%) Vue.js
12 42 (8.57%) REST
13 40 (8.16%) Web Services
14 36 (7.35%) RabbitMQ
15 34 (6.94%) HTML5
15 34 (6.94%) Sass
16 33 (6.73%) Spring
17 23 (4.69%) Gherkin
17 23 (4.69%) Redux
Miscellaneous
1 54 (11.02%) Greenfield Project
2 41 (8.37%) Mobile App
3 40 (8.16%) User Experience
4 21 (4.29%) Enterprise Software
5 20 (4.08%) Virtual Team
6 15 (3.06%) Algorithms
6 15 (3.06%) Cloud Native
6 15 (3.06%) NHS
7 13 (2.65%) Data Structures
8 12 (2.45%) Self-Motivation
9 7 (1.43%) Xbox
10 5 (1.02%) Analytical Skills
11 4 (0.82%) Blog
11 4 (0.82%) Social Media
12 2 (0.41%) Animation
12 2 (0.41%) BBC
12 2 (0.41%) Device Driver
12 2 (0.41%) e-Learning
12 2 (0.41%) iPhone
12 2 (0.41%) W3C
Operating Systems
1 30 (6.12%) Apple iOS
2 26 (5.31%) Android
3 24 (4.90%) Linux
4 3 (0.61%) Debian
4 3 (0.61%) Ubuntu
4 3 (0.61%) Windows
5 1 (0.20%) Mac OS
5 1 (0.20%) Unix
Processes & Methodologies
1 313 (63.88%) Agile Software Development
2 169 (34.49%) BDD
3 163 (33.27%) Software Engineering
4 130 (26.53%) Microservices
5 129 (26.33%) DevOps
6 101 (20.61%) Test Automation
7 89 (18.16%) Continuous Integration
8 87 (17.76%) OO
9 80 (16.33%) Unit Testing
10 78 (15.92%) MVC
11 67 (13.67%) Scrum
12 55 (11.22%) SOLID
13 53 (10.82%) Pair Programming
14 45 (9.18%) OOP
15 42 (8.57%) Problem-Solving
16 34 (6.94%) E-Commerce
17 33 (6.73%) Front End Development
17 33 (6.73%) Web Development
18 31 (6.33%) SDLC
19 26 (5.31%) Continuous Improvement
Programming Languages
1 236 (48.16%) JavaScript
2 220 (44.90%) C#
3 146 (29.80%) SQL
4 123 (25.10%) Java
5 63 (12.86%) Python
6 59 (12.04%) TypeScript
7 43 (8.78%) PHP
8 26 (5.31%) Java 8
9 22 (4.49%) Apple Swift
10 20 (4.08%) C++
11 18 (3.67%) C
11 18 (3.67%) Objective-C
12 16 (3.27%) ES6
12 16 (3.27%) Ruby
13 15 (3.06%) Go
14 6 (1.22%) T-SQL
15 4 (0.82%) Bash Shell
15 4 (0.82%) PHP 7
16 3 (0.61%) Kotlin
17 2 (0.41%) Scala
Qualifications
1 12 (2.45%) Degree
1 12 (2.45%) Security Cleared
2 9 (1.84%) PhD
3 8 (1.63%) SC Cleared
4 6 (1.22%) Computer Science Degree
5 5 (1.02%) DV Cleared
6 2 (0.41%) Numerate Degree
7 1 (0.20%) DBS Check
7 1 (0.20%) ISEB
Quality Assurance & Compliance
1 50 (10.20%) QA
2 4 (0.82%) Data Quality
2 4 (0.82%) PCI DSS
3 3 (0.61%) WCAG
System Software
1 93 (18.98%) Docker
2 1 (0.20%) VMware Infrastructure
Systems Management
1 32 (6.53%) Kubernetes
2 16 (3.27%) Ansible
3 13 (2.65%) Terraform
4 3 (0.61%) Opscode Chef
5 2 (0.41%) Grafana
5 2 (0.41%) Kibana
5 2 (0.41%) logstash
5 2 (0.41%) Prometheus
5 2 (0.41%) Puppet
Vendors
1 34 (6.94%) Microsoft
2 14 (2.86%) Google
3 12 (2.45%) SAP
4 8 (1.63%) Zend
5 7 (1.43%) Sitecore
6 5 (1.02%) Oracle
7 4 (0.82%) Apple
7 4 (0.82%) Splunk
8 3 (0.61%) Progress
8 3 (0.61%) Xamarin
9 1 (0.20%) Alteryx
9 1 (0.20%) Freshdesk
9 1 (0.20%) MuleSoft
9 1 (0.20%) Rackspace
9 1 (0.20%) Spiceworks
9 1 (0.20%) Tableau
9 1 (0.20%) VMware