Period
to 3 July 2020

The following table provides summary statistics for permanent job vacancies advertised in Northern Ireland 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)
UK > Northern Ireland
6 months to
3 Jul 2020
Same period 2019 Same period 2018
Rank 36 57 18
Rank change year-on-year +21 -39 +20
Permanent jobs citing TDD 19 21 41
As % of all permanent jobs advertised in Northern Ireland 4.65% 3.31% 10.10%
As % of the Processes & Methodologies category 5.04% 3.67% 10.88%
Number of salaries quoted 2 19 30
Median annual salary £56,000 £50,000 £40,000
Median salary % change year-on-year +12.00% +25.00% +6.67%
10th Percentile £43,000 £27,250 £26,250
90th Percentile £67,400 £60,000 £48,875
UK 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 Northern Ireland with a requirement for process or methodology skills.

All Process and Methodology Skills
Northern Ireland
Permanent vacancies with a requirement for process or methodology skills 377 572 377
As % of all permanent IT jobs advertised in Northern Ireland 92.18% 90.08% 92.86%
Number of salaries quoted 161 400 274
Median annual salary £42,500 £41,500 £39,500
Median salary % change year-on-year +2.41% +5.06% +5.33%
10th Percentile £28,750 £24,000 £22,575
90th Percentile £60,000 £68,808 £62,500
UK median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% +3.09%

TDD
Job Vacancy Trend in Northern Ireland

Job postings citing TDD as a proportion of all IT jobs advertised in Northern Ireland.

Job vacancy trend for TDD in Northern Ireland

TDD
Salary Trend in Northern Ireland

3-month moving average salary quoted in jobs citing TDD in Northern Ireland.

Salary trend for TDD in Northern Ireland

TDD
Salary Histogram in Northern Ireland

Salary distribution for jobs citing TDD in Northern Ireland over the 6 months to 3 July 2020.

Salary histogram for TDD in Northern Ireland

TDD
Job Locations in Northern Ireland

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the Northern Ireland 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
County Antrim +20 19 £56,000 +12.00% 3
TDD
UK

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 Northern Ireland region with a requirement for TDD.

1 17 (89.47%) Azure
1 17 (89.47%) AWS
2 14 (73.68%) Continuous Integration
3 13 (68.42%) SQL Server
4 12 (63.16%) HTML
4 12 (63.16%) Agile Software Development
5 11 (57.89%) .NET Framework
5 11 (57.89%) .NET
5 11 (57.89%) JavaScript
5 11 (57.89%) C#
5 11 (57.89%) DevOps
6 10 (52.63%) Continuous Deployment
7 9 (47.37%) GCP
7 9 (47.37%) CSS
7 9 (47.37%) Oracle
7 9 (47.37%) Python
7 9 (47.37%) Kanban
8 8 (42.11%) Unit Testing
8 8 (42.11%) Microsoft
8 8 (42.11%) Entity Framework
9 7 (36.84%) ASP.NET
9 7 (36.84%) Scrum
9 7 (36.84%) SQL
9 7 (36.84%) Git (software)
10 6 (31.58%) Django
10 6 (31.58%) Time Management
10 6 (31.58%) PostgreSQL
10 6 (31.58%) Degree
10 6 (31.58%) Mathematics
10 6 (31.58%) Computer Science

TDD
Co-occurring IT Skills in Northern Ireland 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 3 (15.79%) Elasticsearch
1 3 (15.79%) IIS
2 1 (5.26%) WebLogic
2 1 (5.26%) WebSphere
Cloud Services
1 17 (89.47%) AWS
1 17 (89.47%) Azure
2 9 (47.37%) GCP
3 4 (21.05%) PaaS
4 3 (15.79%) G Suite
Communications & Networking
1 3 (15.79%) SSL
Database & Business Intelligence
1 13 (68.42%) SQL Server
2 6 (31.58%) Amazon Aurora
2 6 (31.58%) Amazon DynamoDB
2 6 (31.58%) Apache Cassandra
2 6 (31.58%) NoSQL
2 6 (31.58%) PostgreSQL
3 5 (26.32%) RDBMS
3 5 (26.32%) Relational Database
Development Applications
1 7 (36.84%) Git (software)
2 4 (21.05%) Jenkins
2 4 (21.05%) Octopus Deploy
2 4 (21.05%) TeamCity
3 1 (5.26%) Bower
3 1 (5.26%) Cucumber
3 1 (5.26%) Eclipse
3 1 (5.26%) Grunt
3 1 (5.26%) Jasmine
3 1 (5.26%) JUnit
3 1 (5.26%) Xcode
General
1 4 (21.05%) Legal
Job Titles
1 16 (84.21%) Developer
2 8 (42.11%) .NET Developer
3 6 (31.58%) Python Developer
3 6 (31.58%) Python Developer - Fintech
4 4 (21.05%) Microsoft Developer
5 1 (5.26%) iOS Developer
5 1 (5.26%) Java Developer
Libraries, Frameworks & Software Standards
1 12 (63.16%) HTML
2 11 (57.89%) .NET
2 11 (57.89%) .NET Framework
3 9 (47.37%) CSS
4 8 (42.11%) Entity Framework
5 7 (36.84%) ASP.NET
6 6 (31.58%) Django
6 6 (31.58%) Flask
6 6 (31.58%) RESTful
7 5 (26.32%) Web Services
8 4 (21.05%) AngularJS
8 4 (21.05%) ASP.NET MVC
8 4 (21.05%) ASP.NET Web API
8 4 (21.05%) jQuery
8 4 (21.05%) Node.js
8 4 (21.05%) Twitter Bootstrap
9 3 (15.79%) Natural Language Processing
9 3 (15.79%) React
9 3 (15.79%) TensorFlow
9 3 (15.79%) Vue.js
Miscellaneous
1 5 (26.32%) User Experience
2 3 (15.79%) Analytical Skills
2 3 (15.79%) N-Tier
3 2 (10.53%) Robotics
Operating Systems
1 3 (15.79%) Windows
1 3 (15.79%) Windows Server
1 3 (15.79%) Windows Server 2012
2 1 (5.26%) Apple iOS
Processes & Methodologies
1 14 (73.68%) Continuous Integration
2 12 (63.16%) Agile Software Development
3 11 (57.89%) DevOps
4 10 (52.63%) Continuous Deployment
5 9 (47.37%) Kanban
6 8 (42.11%) Unit Testing
7 7 (36.84%) Scrum
8 6 (31.58%) API Design
8 6 (31.58%) Computer Science
8 6 (31.58%) Extreme Programming
8 6 (31.58%) Fintech
8 6 (31.58%) Mathematics
8 6 (31.58%) Technical Debt
8 6 (31.58%) Time Management
8 6 (31.58%) Trunk-Based Development
9 5 (26.32%) Continuous Delivery
9 5 (26.32%) MVC
10 4 (21.05%) Domain-Driven Design
10 4 (21.05%) Integration Testing
10 4 (21.05%) System Testing
Programming Languages
1 11 (57.89%) C#
1 11 (57.89%) JavaScript
2 9 (47.37%) Python
3 7 (36.84%) SQL
4 4 (21.05%) Java
5 3 (15.79%) Google Apps Script
5 3 (15.79%) PowerShell
5 3 (15.79%) VB.NET
5 3 (15.79%) VBA
6 1 (5.26%) Apple Swift
6 1 (5.26%) Java 8
6 1 (5.26%) Objective-C
6 1 (5.26%) Ruby
Qualifications
1 6 (31.58%) Degree
2 4 (21.05%) Microsoft Certification
Quality Assurance & Compliance
1 3 (15.79%) QA
Systems Management
1 3 (15.79%) Kibana
Vendors
1 9 (47.37%) Oracle
2 8 (42.11%) Microsoft
3 3 (15.79%) Automation Anywhere
3 3 (15.79%) Blue Prism
3 3 (15.79%) Google
3 3 (15.79%) UiPath