Period
to 4 June 2020

The following table provides summary statistics for permanent job vacancies advertised in the North West 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 4 June 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > North West
6 months to
4 Jun 2020
Same period 2019 Same period 2018
Rank 28 31 18
Rank change year-on-year +3 -13 0
Permanent jobs citing TDD 444 709 1,254
As % of all permanent jobs advertised in the North West 7.29% 6.96% 10.39%
As % of the Processes & Methodologies category 7.92% 7.44% 11.23%
Number of salaries quoted 428 597 1,149
Median annual salary £52,500 £50,000 £45,000
Median salary % change year-on-year +5.00% +11.11% +5.88%
10th Percentile £38,750 £33,550 £32,000
90th Percentile £72,500 £75,000 £67,500
England median annual salary £60,000 £55,000 £52,500
% change year-on-year +9.09% +4.76% +5.00%

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 North West with a requirement for process or methodology skills.

All Process and Methodology Skills
North West
Permanent vacancies with a requirement for process or methodology skills 5,608 9,526 11,169
As % of all permanent IT jobs advertised in the North West 92.10% 93.54% 92.56%
Number of salaries quoted 4,445 7,037 8,956
Median annual salary £50,000 £45,000 £45,000
Median salary % change year-on-year +11.11% - +12.50%
10th Percentile £29,850 £27,140 £26,750
90th Percentile £70,000 £70,000 £67,500
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 West

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

Job vacancy trend for TDD in the North West

TDD
Salary Trend in the North West

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

Salary trend for TDD in the North West

TDD
Salary Histogram in the North West

Salary distribution for jobs citing TDD in the North West over the 6 months to 4 June 2020.

Salary histogram for TDD in the North West

TDD
Job Locations in the North West

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the North West region over the 6 months to 4 June 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
Manchester 0 374 £52,500 +5.00% 72
Cheshire -18 50 £51,250 -6.82% 8
Merseyside +18 12 £55,000 +57.14% 4
Lancashire +31 7 £50,000 +17.65% 5
TDD
England

For the 6 months to 4 June 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 West region with a requirement for TDD.

1 291 (65.54%) Agile Software Development
2 195 (43.92%) JavaScript
2 195 (43.92%) .NET
3 168 (37.84%) C#
4 167 (37.61%) BDD
5 146 (32.88%) Microservices
6 130 (29.28%) DevOps
7 126 (28.38%) SQL
8 119 (26.80%) HTML
8 119 (26.80%) AngularJS
9 117 (26.35%) CSS
10 111 (25.00%) AWS
10 111 (25.00%) Docker
11 110 (24.77%) Java
12 109 (24.55%) .NET Core
13 107 (24.10%) Git (software)
14 106 (23.87%) React
15 105 (23.65%) Software Engineering
16 102 (22.97%) MVC
17 93 (20.95%) Azure
18 91 (20.50%) Node.js
19 77 (17.34%) Test Automation
20 74 (16.67%) Scrum
21 72 (16.22%) Unit Testing
22 71 (15.99%) ASP.NET
23 67 (15.09%) Continuous Integration
24 63 (14.19%) Finance
25 61 (13.74%) PHP
26 59 (13.29%) E-Commerce
26 59 (13.29%) SOLID

TDD
Co-occurring IT Skills in the North West 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 (3.83%) Apache
2 16 (3.60%) CMS
3 10 (2.25%) Umbraco
4 9 (2.03%) Sitecore CMS
5 7 (1.58%) Elasticsearch
5 7 (1.58%) nginx
6 6 (1.35%) Confluence
7 3 (0.68%) Sitefinity
8 2 (0.45%) Camunda
8 2 (0.45%) Cloud Foundry
8 2 (0.45%) EPiServer
8 2 (0.45%) GemFire
9 1 (0.23%) BizTalk Server
9 1 (0.23%) NServiceBus
9 1 (0.23%) Oracle SOA Suite
9 1 (0.23%) Tomcat
Applications
1 2 (0.45%) Chatbot
Business Applications
1 9 (2.03%) SDL Web 8
2 4 (0.90%) Dynamics NAV
3 2 (0.45%) Magento
4 1 (0.23%) Dynamics CRM
Cloud Services
1 111 (25.00%) AWS
2 93 (20.95%) Azure
3 44 (9.91%) Serverless
4 26 (5.86%) AWS Lambda
5 21 (4.73%) Amazon S3
6 19 (4.28%) GCP
7 17 (3.83%) Amazon EC2
8 12 (2.70%) SaaS
9 9 (2.03%) GitHub
9 9 (2.03%) npm
10 5 (1.13%) Amazon ECS
10 5 (1.13%) AWS CloudFormation
10 5 (1.13%) Slack
11 4 (0.90%) Amazon Kinesis
11 4 (0.90%) BrowserStack
12 2 (0.45%) Amazon Cognito
12 2 (0.45%) Amazon ELB
12 2 (0.45%) Cloud Computing
12 2 (0.45%) Sauce Labs
12 2 (0.45%) SonarCloud
Communications & Networking
1 16 (3.60%) HTTP
2 8 (1.80%) Skype
3 7 (1.58%) SSL
4 6 (1.35%) Internet
5 4 (0.90%) Bluetooth
5 4 (0.90%) TCP/IP
5 4 (0.90%) Wi-Fi
6 3 (0.68%) AMQP
6 3 (0.68%) Firewall
6 3 (0.68%) Wireless
7 1 (0.23%) Ethernet
7 1 (0.23%) VLAN
Database & Business Intelligence
1 51 (11.49%) NoSQL
2 47 (10.59%) SQL Server
3 45 (10.14%) MongoDB
4 25 (5.63%) MySQL
5 16 (3.60%) PostgreSQL
6 15 (3.38%) Relational Database
7 8 (1.80%) Amazon DynamoDB
7 8 (1.80%) Neo4j
7 8 (1.80%) RDBMS
8 6 (1.35%) Data Warehouse
9 5 (1.13%) SQL Server Reporting Services
10 4 (0.90%) Amazon Athena
10 4 (0.90%) Cosmos DB
10 4 (0.90%) SQL Server Integration Services
11 3 (0.68%) Amazon RDS
11 3 (0.68%) Couchbase
12 2 (0.45%) Hazelcast
13 1 (0.23%) Big Data
13 1 (0.23%) RavenDB
13 1 (0.23%) SAP Data Services
Development Applications
1 107 (24.10%) Git (software)
2 44 (9.91%) Selenium
3 34 (7.66%) Jenkins
4 31 (6.98%) Maven
5 22 (4.95%) Team Foundation Server
6 21 (4.73%) JIRA
7 18 (4.05%) webpack
8 16 (3.60%) Gradle
9 15 (3.38%) Cucumber
10 12 (2.70%) TeamCity
10 12 (2.70%) WebDriver
11 11 (2.48%) Appium
11 11 (2.48%) Protractor
11 11 (2.48%) SoapUI
12 10 (2.25%) Jasmine
12 10 (2.25%) Mercurial
12 10 (2.25%) SpecFlow
13 9 (2.03%) Calabash
13 9 (2.03%) GitLab
13 9 (2.03%) Mockito
General
1 63 (14.19%) Finance
2 17 (3.83%) Public Sector
3 16 (3.60%) Games
4 11 (2.48%) Electronics
4 11 (2.48%) Retail
5 10 (2.25%) Telecoms
6 9 (2.03%) Manufacturing
7 8 (1.80%) Marketing
8 7 (1.58%) Banking
9 6 (1.35%) Law
10 3 (0.68%) Automotive
10 3 (0.68%) Environmental Health
11 2 (0.45%) Financial Institution
12 1 (0.23%) Legal
12 1 (0.23%) Local Government
Job Titles
1 321 (72.30%) Developer
2 139 (31.31%) Senior Developer
3 71 (15.99%) .NET Developer
4 61 (13.74%) Software Engineer
5 55 (12.39%) Java Developer
6 45 (10.14%) C# Developer
7 44 (9.91%) Senior Java Developer
8 39 (8.78%) Software Developer
9 38 (8.56%) PHP Developer
10 34 (7.66%) Senior Software Engineer
11 33 (7.43%) Front End Developer (Client-Side Developer)
11 33 (7.43%) Full Stack Developer
11 33 (7.43%) Senior .NET Developer
12 27 (6.08%) Senior PHP Developer
13 26 (5.86%) Angular Developer
14 22 (4.95%) C# .NET Developer
15 19 (4.28%) .NET Software Engineer
16 15 (3.38%) Senior .NET Software Engineer
17 14 (3.15%) Senior Front-End Developer
18 13 (2.93%) Lead Developer
Libraries, Frameworks & Software Standards
1 195 (43.92%) .NET
2 119 (26.80%) AngularJS
2 119 (26.80%) HTML
3 117 (26.35%) CSS
4 109 (24.55%) .NET Core
5 106 (23.87%) React
6 91 (20.50%) Node.js
7 71 (15.99%) ASP.NET
8 57 (12.84%) Spring
9 52 (11.71%) ASP.NET MVC
10 47 (10.59%) RESTful
10 47 (10.59%) Web Services
11 46 (10.36%) ASP.NET Web API
12 42 (9.46%) Vue.js
13 35 (7.88%) HTML5
13 35 (7.88%) Spring Boot
14 32 (7.21%) Redux
15 30 (6.76%) Sass
16 26 (5.86%) CSS3
16 26 (5.86%) REST
Miscellaneous
1 47 (10.59%) Enterprise Software
2 43 (9.68%) Greenfield Project
3 38 (8.56%) User Experience
4 28 (6.31%) Mobile App
5 20 (4.50%) Cloud Native
6 13 (2.93%) Virtual Team
7 6 (1.35%) Online Games
7 6 (1.35%) Wiki
8 5 (1.13%) Algorithms
8 5 (1.13%) Data Structures
9 4 (0.90%) Analytical Skills
9 4 (0.90%) Animation
9 4 (0.90%) e-Learning
9 4 (0.90%) Social Media
10 3 (0.68%) BBC
10 3 (0.68%) Embedded Systems
10 3 (0.68%) NHS
11 2 (0.45%) Device Driver
12 1 (0.23%) Life Science
12 1 (0.23%) Xbox
Operating Systems
1 39 (8.78%) Linux
2 20 (4.50%) Apple iOS
3 15 (3.38%) Android
4 4 (0.90%) watchOS
5 2 (0.45%) Windows
6 1 (0.23%) Embedded Linux
6 1 (0.23%) Mac OS
6 1 (0.23%) Unix
Processes & Methodologies
1 291 (65.54%) Agile Software Development
2 167 (37.61%) BDD
3 146 (32.88%) Microservices
4 130 (29.28%) DevOps
5 105 (23.65%) Software Engineering
6 102 (22.97%) MVC
7 77 (17.34%) Test Automation
8 74 (16.67%) Scrum
9 72 (16.22%) Unit Testing
10 67 (15.09%) Continuous Integration
11 59 (13.29%) E-Commerce
11 59 (13.29%) SOLID
12 56 (12.61%) Pair Programming
13 53 (11.94%) OO
14 37 (8.33%) Mentoring
14 37 (8.33%) SDLC
15 35 (7.88%) Front End Development
15 35 (7.88%) OOP
16 33 (7.43%) Coaching
17 30 (6.76%) Technical Leadership
Programming Languages
1 195 (43.92%) JavaScript
2 168 (37.84%) C#
3 126 (28.38%) SQL
4 110 (24.77%) Java
5 61 (13.74%) PHP
6 57 (12.84%) TypeScript
7 41 (9.23%) Java 8
8 38 (8.56%) Python
9 28 (6.31%) Ruby
10 23 (5.18%) ES6
11 16 (3.60%) Scala
12 15 (3.38%) C
13 11 (2.48%) Groovy
14 10 (2.25%) T-SQL
15 9 (2.03%) VB.NET
16 6 (1.35%) Apple Swift
16 6 (1.35%) Kotlin
16 6 (1.35%) Objective-C
17 5 (1.13%) VBScript
18 4 (0.90%) Go
Qualifications
1 6 (1.35%) Degree
1 6 (1.35%) ISTQB
2 5 (1.13%) Computer Science Degree
2 5 (1.13%) ISTQB Foundation Certification
3 4 (0.90%) Security Cleared
4 3 (0.68%) DV Cleared
5 1 (0.23%) ISEB
5 1 (0.23%) SC Cleared
Quality Assurance & Compliance
1 43 (9.68%) QA
2 7 (1.58%) PCI DSS
3 3 (0.68%) GDPR
4 1 (0.23%) Data Quality
4 1 (0.23%) PMO
System Software
1 111 (25.00%) Docker
Systems Management
1 44 (9.91%) Kubernetes
2 10 (2.25%) Opscode Chef
2 10 (2.25%) Terraform
3 9 (2.03%) Puppet
4 7 (1.58%) Kibana
5 6 (1.35%) Ansible
6 4 (0.90%) logstash
7 2 (0.45%) Grafana
Vendors
1 46 (10.36%) Microsoft
2 12 (2.70%) Google
2 12 (2.70%) Sitecore
3 9 (2.03%) SAP
4 8 (1.80%) Oracle
4 8 (1.80%) Splunk
5 6 (1.35%) Xamarin
6 5 (1.13%) CA
6 5 (1.13%) CA Agile Central
6 5 (1.13%) IBM
6 5 (1.13%) Micro Focus
6 5 (1.13%) Parasoft
6 5 (1.13%) TIBCO
7 4 (0.90%) Apple
8 2 (0.45%) AppDynamics
8 2 (0.45%) Atlassian
8 2 (0.45%) Automation Anywhere
8 2 (0.45%) Blue Prism
8 2 (0.45%) Progress
8 2 (0.45%) UiPath