Period
to

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 14 August 2022 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > North West
6 months to
14 Aug 2022
Same period 2021 Same period 2020
Rank 45 38 31
Rank change year-on-year -7 -7 +2
Permanent jobs citing TDD 570 455 332
As % of all permanent jobs advertised in the North West 5.95% 6.19% 6.87%
As % of the Processes & Methodologies category 6.21% 6.64% 7.40%
Number of salaries quoted 356 357 308
10th Percentile £39,124 £38,550 £40,000
25th Percentile £48,750 £45,000 £45,000
Median annual salary (50th Percentile) £60,000 £55,000 £55,000
Median % change year-on-year +9.09% - -
75th Percentile £73,750 £66,250 £65,000
90th Percentile £84,375 £81,750 £76,450
England median annual salary £67,500 £62,500 £60,000
% change year-on-year +8.00% +4.17% +4.35%

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 9,180 6,852 4,484
As % of all permanent IT jobs advertised in the North West 95.87% 93.21% 92.76%
Number of salaries quoted 5,681 5,171 3,719
10th Percentile £31,250 £30,000 £31,250
25th Percentile £40,000 £37,500 £39,121
Median annual salary (50th Percentile) £52,500 £50,000 £50,000
Median % change year-on-year +5.00% - +11.11%
75th Percentile £68,000 £62,500 £60,000
90th Percentile £82,500 £77,500 £70,000
England median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% +4.76%

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 14 August 2022.

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 14 August 2022. 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
Jobs
Manchester -4 437 £62,500 +8.70% 77
Cheshire -7 74 £52,500 +16.67%
Lancashire +4 32 £55,000 +22.22% 5
Merseyside -30 24 £57,500 +15.00% 4
TDD
England

For the 6 months to 14 August 2022, 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.

1 468 (82.11%) Agile
2 310 (54.39%) Software Engineering
3 281 (49.30%) DevOps
4 273 (47.89%) CI/CD
5 249 (43.68%) Java
6 248 (43.51%) AWS
7 215 (37.72%) Azure
8 214 (37.54%) Microservices
9 206 (36.14%) Test Automation
10 190 (33.33%) .NET
11 185 (32.46%) JavaScript
12 180 (31.58%) React
13 165 (28.95%) BDD
14 155 (27.19%) C#
14 155 (27.19%) Pair Programming
15 153 (26.84%) Node.js
16 144 (25.26%) Kubernetes
17 143 (25.09%) Mentoring
18 138 (24.21%) Problem-Solving
19 131 (22.98%) Continuous Integration
20 127 (22.28%) Full Stack Development
21 126 (22.11%) RESTful
22 125 (21.93%) SQL
23 123 (21.58%) Docker
24 122 (21.40%) Git (software)
25 121 (21.23%) Scrum
26 115 (20.18%) OO
27 111 (19.47%) AngularJS
28 109 (19.12%) Social Skills
29 104 (18.25%) Coaching

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 19 (3.33%) Apache
2 13 (2.28%) Cloud Foundry
2 13 (2.28%) CMS
3 11 (1.93%) Sitefinity
3 11 (1.93%) Umbraco
4 10 (1.75%) Apache Spark
5 9 (1.58%) JBoss
6 7 (1.23%) Confluence
7 5 (0.88%) Oracle Workflow
8 4 (0.70%) IIS
9 3 (0.53%) SharePoint
10 2 (0.35%) nginx
Applications
1 3 (0.53%) Maple
1 3 (0.53%) Microsoft Excel
1 3 (0.53%) Microsoft Office
Business Applications
1 1 (0.18%) Magento
Cloud Services
1 248 (43.51%) AWS
2 215 (37.72%) Azure
3 100 (17.54%) Serverless
4 54 (9.47%) GCP
5 52 (9.12%) GitHub
6 45 (7.89%) AWS Lambda
7 41 (7.19%) SaaS
8 30 (5.26%) Amazon EC2
9 27 (4.74%) Azure Service Bus
10 25 (4.39%) PaaS
11 23 (4.04%) Azure DevOps
12 19 (3.33%) Amazon S3
13 18 (3.16%) AWS CloudFormation
13 18 (3.16%) Azure Data Factory
14 16 (2.81%) Amazon CloudWatch
15 14 (2.46%) Amazon Kinesis
15 14 (2.46%) OpenShift
16 13 (2.28%) Azure AKS
16 13 (2.28%) Azure Service Fabric
17 12 (2.11%) Azure Monitor
Communications & Networking
1 28 (4.91%) HTTP
2 26 (4.56%) Internet
3 13 (2.28%) HTTPS
3 13 (2.28%) TCP/IP
4 10 (1.75%) DHCP
4 10 (1.75%) DNS
4 10 (1.75%) FTP
4 10 (1.75%) IPsec
5 3 (0.53%) Network Security
6 1 (0.18%) Firewall
6 1 (0.18%) SSL
Database & Business Intelligence
1 75 (13.16%) MongoDB
2 73 (12.81%) SQL Server
3 72 (12.63%) MySQL
4 67 (11.75%) NoSQL
5 42 (7.37%) Relational Database
6 32 (5.61%) Elasticsearch
7 29 (5.09%) PostgreSQL
8 15 (2.63%) DynamoDB
9 13 (2.28%) Amazon Athena
9 13 (2.28%) Apache Cassandra
9 13 (2.28%) Big Data
10 11 (1.93%) Neo4j
11 10 (1.75%) Flink
12 4 (0.70%) Redis
13 3 (0.53%) Amazon Aurora
13 3 (0.53%) Hadoop
13 3 (0.53%) LogicBlox
14 2 (0.35%) Amazon RDS
14 2 (0.35%) CockroachDB
14 2 (0.35%) MariaDB
Development Applications
1 122 (21.40%) Git (software)
2 58 (10.18%) Jenkins
3 41 (7.19%) GitLab
4 31 (5.44%) Cypress.io
5 29 (5.09%) Selenium
6 25 (4.39%) JUnit
7 24 (4.21%) TeamCity
8 23 (4.04%) Maven
8 23 (4.04%) SonarQube
9 22 (3.86%) Cucumber
9 22 (3.86%) JIRA
10 19 (3.33%) Gradle
10 19 (3.33%) Octopus Deploy
11 13 (2.28%) Ant
11 13 (2.28%) IBM UrbanCode
11 13 (2.28%) Team Foundation Server
11 13 (2.28%) Travis CI
12 12 (2.11%) Postman
12 12 (2.11%) Subversion
13 11 (1.93%) Robot Framework
General
1 109 (19.12%) Social Skills
2 66 (11.58%) Finance
3 41 (7.19%) Inclusion and Diversity
4 37 (6.49%) Automotive
5 34 (5.96%) Analytical Skills
6 32 (5.61%) Law
7 24 (4.21%) Retail
8 23 (4.04%) Advertising
8 23 (4.04%) Manufacturing
9 19 (3.33%) Aerospace
10 17 (2.98%) Marketing
11 16 (2.81%) Banking
12 15 (2.63%) Publishing
13 14 (2.46%) Games
13 14 (2.46%) Public Sector
14 10 (1.75%) Financial Institution
14 10 (1.75%) Social Housing
15 4 (0.70%) Legal
16 3 (0.53%) Local Government
16 3 (0.53%) Telecoms
Job Titles
1 299 (52.46%) Developer
2 135 (23.68%) Software Engineer
3 116 (20.35%) Senior Developer
4 84 (14.74%) Java Developer
5 80 (14.04%) Software Developer
6 70 (12.28%) .NET Developer
7 50 (8.77%) Senior Software Engineer
8 43 (7.54%) Senior .NET Developer
9 40 (7.02%) Full Stack Developer
10 37 (6.49%) Senior Software Developer
11 36 (6.32%) Senior Java Developer
12 31 (5.44%) .NET Software Developer
12 31 (5.44%) Senior .NET Software Developer
13 24 (4.21%) Technical Leader
14 23 (4.04%) Senior Full Stack Developer
14 23 (4.04%) Site Engineer
14 23 (4.04%) Site Reliability Engineer
15 22 (3.86%) Angular Developer
16 21 (3.68%) Graduate
17 20 (3.51%) Test Engineer
Libraries, Frameworks & Software Standards
1 190 (33.33%) .NET
2 180 (31.58%) React
3 153 (26.84%) Node.js
4 126 (22.11%) RESTful
5 111 (19.47%) AngularJS
6 82 (14.39%) Spring
7 79 (13.86%) .NET Core
8 74 (12.98%) REST
9 68 (11.93%) HTML
9 68 (11.93%) Spring Boot
10 66 (11.58%) CSS
11 52 (9.12%) JSON
12 51 (8.95%) Web Services
13 47 (8.25%) .NET Framework
14 46 (8.07%) Vue.js
15 44 (7.72%) Entity Framework
16 32 (5.61%) Kafka
17 27 (4.74%) ASP.NET
17 27 (4.74%) XML
18 24 (4.21%) HTML5
Miscellaneous
1 58 (10.18%) Cloud Native
2 48 (8.42%) Data Protection Act
3 38 (6.67%) Greenfield Project
4 37 (6.49%) User Experience
5 28 (4.91%) Mobile App
6 23 (4.04%) Enterprise Software
7 20 (3.51%) Blog
7 20 (3.51%) Life Science
8 13 (2.28%) NHS
9 11 (1.93%) Algorithms
9 11 (1.93%) Data Structures
9 11 (1.93%) Public Cloud
10 10 (1.75%) Linux Command Line
10 10 (1.75%) Low-Code
11 9 (1.58%) Animation
12 8 (1.40%) Social Media
13 6 (1.05%) Wiki
14 4 (0.70%) IoT
14 4 (0.70%) N-Tier
14 4 (0.70%) Self-Motivation
Operating Systems
1 54 (9.47%) Linux
2 45 (7.89%) Unix
3 27 (4.74%) Windows
4 24 (4.21%) Apple iOS
5 15 (2.63%) Android
6 13 (2.28%) Mesosphere
7 5 (0.88%) Mac OS
7 5 (0.88%) VMS
8 1 (0.18%) Mac OS X
Processes & Methodologies
1 468 (82.11%) Agile
2 310 (54.39%) Software Engineering
3 281 (49.30%) DevOps
4 273 (47.89%) CI/CD
5 214 (37.54%) Microservices
6 206 (36.14%) Test Automation
7 165 (28.95%) BDD
8 155 (27.19%) Pair Programming
9 143 (25.09%) Mentoring
10 138 (24.21%) Problem-Solving
11 131 (22.98%) Continuous Integration
12 127 (22.28%) Full Stack Development
13 121 (21.23%) Scrum
14 115 (20.18%) OO
15 104 (18.25%) Coaching
16 94 (16.49%) Event-Driven
17 92 (16.14%) SDLC
18 89 (15.61%) SOLID
19 79 (13.86%) Open Source
20 75 (13.16%) Kanban
Programming Languages
1 249 (43.68%) Java
2 185 (32.46%) JavaScript
3 155 (27.19%) C#
4 125 (21.93%) SQL
5 101 (17.72%) Python
6 77 (13.51%) TypeScript
7 53 (9.30%) Ruby
8 44 (7.72%) Go
9 37 (6.49%) PowerShell
10 21 (3.68%) ES6
11 19 (3.33%) PHP
12 18 (3.16%) C++
13 17 (2.98%) Kotlin
14 15 (2.63%) Scala
15 13 (2.28%) Perl
16 11 (1.93%) Apple Swift
16 11 (1.93%) ES7
16 11 (1.93%) ES8
16 11 (1.93%) Shell Script
17 10 (1.75%) C
Qualifications
1 30 (5.26%) Degree
2 25 (4.39%) AWS Certification
3 23 (4.04%) Microsoft Certification
3 23 (4.04%) Security Cleared
4 19 (3.33%) SC Cleared
5 11 (1.93%) Computer Science Degree
6 6 (1.05%) DBS Check
7 5 (0.88%) OCA
7 5 (0.88%) OCAJ
7 5 (0.88%) Oracle Certification
8 2 (0.35%) DV Cleared
8 2 (0.35%) Master's Degree
8 2 (0.35%) PhD
9 1 (0.18%) ISTQB
9 1 (0.18%) Postgraduate
Quality Assurance & Compliance
1 34 (5.96%) QA
2 16 (2.81%) Accessibility
3 2 (0.35%) WCAG
System Software
1 123 (21.58%) Docker
2 4 (0.70%) Active Directory
Systems Management
1 144 (25.26%) Kubernetes
2 102 (17.89%) Terraform
3 41 (7.19%) Prometheus
4 28 (4.91%) Grafana
5 19 (3.33%) Ansible
6 15 (2.63%) Opscode Chef
7 14 (2.46%) Kibana
8 13 (2.28%) Automic
8 13 (2.28%) Consul
8 13 (2.28%) logstash
8 13 (2.28%) Puppet
9 1 (0.18%) AirWatch
Vendors
1 103 (18.07%) Microsoft
2 39 (6.84%) Google
3 32 (5.61%) Hitachi
4 20 (3.51%) Oracle
5 19 (3.33%) QinetiQ
6 15 (2.63%) Splunk
7 11 (1.93%) Apple
8 4 (0.70%) Virgin Media
9 3 (0.53%) Atlassian
9 3 (0.53%) IBM
9 3 (0.53%) New Relic
9 3 (0.53%) Xamarin
10 2 (0.35%) NVIDIA
10 2 (0.35%) Sage
10 2 (0.35%) SAP
11 1 (0.18%) AppDynamics
11 1 (0.18%) Blue Prism
11 1 (0.18%) Red Hat
11 1 (0.18%) ServiceNow
11 1 (0.18%) Zend