Period
to 20 October 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 20 October 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > Northern Ireland
6 months to
20 Oct 2020
Same period 2019 Same period 2018
Rank 37 46 18
Rank change year-on-year +9 -28 +21
Permanent jobs citing TDD 11 23 43
As % of all permanent jobs advertised in Northern Ireland 3.51% 4.28% 10.44%
As % of the Processes & Methodologies category 3.65% 4.77% 11.68%
Number of salaries quoted 5 15 43
Median annual salary £57,500 £55,000 £40,000
Median salary % change year-on-year +4.55% +37.50% +11.11%
10th Percentile £29,500 £35,500 £28,300
90th Percentile £68,000 £66,500 £68,750
UK 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 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 301 482 368
As % of all permanent IT jobs advertised in Northern Ireland 96.17% 89.76% 89.32%
Number of salaries quoted 122 329 276
Median annual salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25% +11.11%
10th Percentile £27,600 £24,600 £24,125
90th Percentile £64,875 £72,500 £65,000
UK median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% -

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 20 October 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 20 October 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 +8 11 £57,500 - 3
TDD
UK

For the 6 months to 20 October 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 9 (81.82%) Agile Software Development
2 6 (54.55%) Software Engineering
2 6 (54.55%) Scrum
2 6 (54.55%) Azure
2 6 (54.55%) C#
2 6 (54.55%) JavaScript
2 6 (54.55%) .NET
2 6 (54.55%) SQL Server
2 6 (54.55%) ASP.NET
3 5 (45.45%) Java
3 5 (45.45%) Jenkins
3 5 (45.45%) Analytical Skills
4 4 (36.36%) Artificial Intelligence
4 4 (36.36%) AngularJS
4 4 (36.36%) MVC
4 4 (36.36%) Python
4 4 (36.36%) Google
4 4 (36.36%) HTML
5 3 (27.27%) VB.NET
5 3 (27.27%) VBA
5 3 (27.27%) JUnit
5 3 (27.27%) IIS
5 3 (27.27%) Web Services
5 3 (27.27%) Unix
5 3 (27.27%) Windows
5 3 (27.27%) N-Tier
5 3 (27.27%) SOA
5 3 (27.27%) SSL
5 3 (27.27%) Microsoft
5 3 (27.27%) Web Development

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 (27.27%) Elasticsearch
1 3 (27.27%) IIS
2 1 (9.09%) WebLogic
2 1 (9.09%) WebSphere
Cloud Services
1 6 (54.55%) Azure
2 3 (27.27%) AWS
2 3 (27.27%) G Suite
2 3 (27.27%) GCP
Communications & Networking
1 3 (27.27%) SSL
Database & Business Intelligence
1 6 (54.55%) SQL Server
2 1 (9.09%) Data Warehouse
2 1 (9.09%) RDBMS
2 1 (9.09%) Relational Database
2 1 (9.09%) Sybase ASE
Development Applications
1 5 (45.45%) Jenkins
2 3 (27.27%) Cucumber
2 3 (27.27%) Git (software)
2 3 (27.27%) JUnit
3 2 (18.18%) Atlassian Bamboo
3 2 (18.18%) JBehave
4 1 (9.09%) Bower
4 1 (9.09%) Eclipse
4 1 (9.09%) Grunt
4 1 (9.09%) Jasmine
Job Titles
1 5 (45.45%) Developer
2 3 (27.27%) Software Developer
3 2 (18.18%) Java Developer
3 2 (18.18%) Test Engineer
4 1 (9.09%) Senior Software Engineer
4 1 (9.09%) Software Engineer
4 1 (9.09%) Sybase Developer
Libraries, Frameworks & Software Standards
1 6 (54.55%) .NET
1 6 (54.55%) ASP.NET
2 4 (36.36%) AngularJS
2 4 (36.36%) HTML
3 3 (27.27%) .NET Framework
3 3 (27.27%) ASP.NET MVC
3 3 (27.27%) ASP.NET Web API
3 3 (27.27%) Elastic Stack
3 3 (27.27%) Natural Language Processing
3 3 (27.27%) React
3 3 (27.27%) TensorFlow
3 3 (27.27%) Vue.js
3 3 (27.27%) WCF
3 3 (27.27%) Web Services
4 2 (18.18%) XML
5 1 (9.09%) Backbone.js
5 1 (9.09%) JMS
5 1 (9.09%) JSON
5 1 (9.09%) RESTful
5 1 (9.09%) Spring
Miscellaneous
1 5 (45.45%) Analytical Skills
2 3 (27.27%) N-Tier
3 2 (18.18%) Robotics
4 1 (9.09%) Data Structures
4 1 (9.09%) Enterprise Software
Operating Systems
1 3 (27.27%) Unix
1 3 (27.27%) Windows
1 3 (27.27%) Windows Server
1 3 (27.27%) Windows Server 2012
2 2 (18.18%) Linux
Processes & Methodologies
1 9 (81.82%) Agile Software Development
2 6 (54.55%) Scrum
2 6 (54.55%) Software Engineering
3 4 (36.36%) Artificial Intelligence
3 4 (36.36%) MVC
4 3 (27.27%) BDD
4 3 (27.27%) Continuous Integration
4 3 (27.27%) Creative Thinking
4 3 (27.27%) DevOps
4 3 (27.27%) Kanban
4 3 (27.27%) Machine Learning
4 3 (27.27%) Mentoring
4 3 (27.27%) Problem-Solving
4 3 (27.27%) Project Delivery
4 3 (27.27%) Robotic Process Automation
4 3 (27.27%) SOA
4 3 (27.27%) SOLID
4 3 (27.27%) Technical Leadership
4 3 (27.27%) Test Automation
4 3 (27.27%) Web Development
Programming Languages
1 6 (54.55%) C#
1 6 (54.55%) JavaScript
2 5 (45.45%) Java
3 4 (36.36%) Python
4 3 (27.27%) Google Apps Script
4 3 (27.27%) PowerShell
4 3 (27.27%) VB.NET
4 3 (27.27%) VBA
5 1 (9.09%) Java 8
5 1 (9.09%) Perl
5 1 (9.09%) SQL
Quality Assurance & Compliance
1 3 (27.27%) QA
System Software
1 1 (9.09%) Docker
Systems Management
1 3 (27.27%) Kibana
2 2 (18.18%) HP Fortify
3 1 (9.09%) Kubernetes
Vendors
1 4 (36.36%) Google
2 3 (27.27%) Automation Anywhere
2 3 (27.27%) Blue Prism
2 3 (27.27%) Microsoft
2 3 (27.27%) UiPath
3 2 (18.18%) Dell
4 1 (9.09%) Oracle
4 1 (9.09%) Solace
4 1 (9.09%) Sybase