Period
to 16 December 2017

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 16 December 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > Northern Ireland
6 months to
16 Dec 2017
Same period 2016 Same period 2015
Rank 30 27 26
Rank change year-on-year -3 -1 -14
Permanent jobs citing TDD 41 16 10
As % of all permanent IT jobs advertised in Northern Ireland 8.61% 4.85% 5.88%
As % of the Processes & Methodologies category 9.49% 5.35% 6.67%
Number of salaries quoted 22 10 3
Northern Ireland median annual salary £40,000 £41,250 £42,500
Median salary % change year-on-year -3.03% -2.94% -10.53%
10th Percentile £22,500 £30,250 £38,750
90th Percentile £50,000 £60,475 £49,250
UK median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

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 432 299 150
As % of all permanent IT jobs advertised in Northern Ireland 90.76% 90.61% 88.24%
Number of salaries quoted 277 228 120
Northern Ireland median annual salary £37,500 £39,250 £40,000
Median salary % change year-on-year -4.46% -1.88% +16.62%
10th Percentile £21,750 £26,250 £26,125
90th Percentile £55,000 £61,250 £65,000
UK median annual salary £50,000 £49,750 £47,500
% change year-on-year +0.50% +4.74% +5.56%

TDD
Job Vacancy Trend in Northern Ireland

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

Job vacancy trend for TDD in Northern Ireland

TDD
Salary Trend in Northern Ireland

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in Northern Ireland.

Salary trend for TDD in Northern Ireland

TDD
Salary Histogram in Northern Ireland

The salary distribution of IT jobs citing TDD in Northern Ireland over the 6 months to 16 December 2017.

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 16 December 2017. 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 -12 25 £41,500 -7.78% 3
County Down - 9 £40,000 -
County Armagh - 1 £40,000 -
TDD
UK

For the 6 months to 16 December 2017, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Northern Ireland region with a requirement for TDD.

1 33 (80.49%) Agile Software Development
2 27 (65.85%) .NET
3 23 (56.10%) C#
4 22 (53.66%) Microsoft
5 21 (51.22%) Java
5 21 (51.22%) MVC
5 21 (51.22%) RESTful
6 20 (48.78%) AngularJS
6 20 (48.78%) ASP.NET
7 19 (46.34%) ASP.NET MVC
8 17 (41.46%) Finance
9 16 (39.02%) Continuous Integration
10 15 (36.59%) JavaScript
11 14 (34.15%) Oracle
11 14 (34.15%) SQL Server
11 14 (34.15%) Scrum
11 14 (34.15%) .NET Framework
11 14 (34.15%) BDD
11 14 (34.15%) Test Automation
11 14 (34.15%) Twitter Bootstrap
11 14 (34.15%) Relational Database
11 14 (34.15%) Continuous Delivery
12 13 (31.71%) KnockoutJS
12 13 (31.71%) Amazon AWS
12 13 (31.71%) Legal
12 13 (31.71%) CSS
12 13 (31.71%) HTML
13 10 (24.39%) Linux
13 10 (24.39%) Software Engineering
13 10 (24.39%) ASP.NET Web API

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 1 (2.44%) CMS
Cloud Services
1 13 (31.71%) Amazon AWS
2 8 (19.51%) Microsoft Azure
3 6 (14.63%) Amazon S3
3 6 (14.63%) npm
Communications & Networking
1 6 (14.63%) SSH
1 6 (14.63%) TCP/IP
1 6 (14.63%) VPN
Database & Business Intelligence
1 14 (34.15%) Relational Database
1 14 (34.15%) SQL Server
2 7 (17.07%) DocumentDB
2 7 (17.07%) NoSQL
2 7 (17.07%) RDBMS
3 6 (14.63%) Ingres
3 6 (14.63%) MySQL
3 6 (14.63%) SQL Server 2016
4 1 (2.44%) Azure SQL Database
4 1 (2.44%) MongoDB
4 1 (2.44%) PostgreSQL
Development Applications
1 7 (17.07%) Git (software)
1 7 (17.07%) JUnit
1 7 (17.07%) Mockito
1 7 (17.07%) Octopus Deploy
1 7 (17.07%) TeamCity
2 6 (14.63%) Jasmine
2 6 (14.63%) Jenkins
2 6 (14.63%) Karma Test Runner
2 6 (14.63%) Protractor
2 6 (14.63%) Robot Framework
2 6 (14.63%) Subversion
3 1 (2.44%) Selenium
3 1 (2.44%) Team Foundation Server
3 1 (2.44%) Visual Studio Team System
General
1 17 (41.46%) Finance
2 13 (31.71%) Legal
3 6 (14.63%) Telecoms
4 3 (7.32%) Banking
4 3 (7.32%) Marketing
Job Titles
1 33 (80.49%) Developer
2 18 (43.90%) .NET Developer
3 6 (14.63%) Angular Developer
3 6 (14.63%) Software Test Specialist
3 6 (14.63%) Test Automation Specialist
3 6 (14.63%) Test Scripter
3 6 (14.63%) Test Specialist
4 4 (9.76%) Java Developer
5 3 (7.32%) ASP.NET Developer
5 3 (7.32%) ASP.NET MVC Developer
5 3 (7.32%) Graduate C# Developer
5 3 (7.32%) Graduate Developer
5 3 (7.32%) Graduate Java Developer
5 3 (7.32%) Graduate Python Developer
5 3 (7.32%) Junior C# Developer
5 3 (7.32%) Junior Java Developer
5 3 (7.32%) Junior Python Developer
5 3 (7.32%) Linux Developer
5 3 (7.32%) Python Developer
5 3 (7.32%) WCF Developer
Libraries, Frameworks & Software Standards
1 27 (65.85%) .NET
2 21 (51.22%) RESTful
3 20 (48.78%) AngularJS
3 20 (48.78%) ASP.NET
4 19 (46.34%) ASP.NET MVC
5 14 (34.15%) .NET Framework
5 14 (34.15%) Twitter Bootstrap
6 13 (31.71%) CSS
6 13 (31.71%) HTML
6 13 (31.71%) KnockoutJS
7 10 (24.39%) ASP.NET Web API
8 8 (19.51%) Entity Framework
8 8 (19.51%) jQuery
8 8 (19.51%) Web Services
9 7 (17.07%) Angular 2
9 7 (17.07%) Backbone.js
9 7 (17.07%) Classic ASP
9 7 (17.07%) SOAP
10 6 (14.63%) ASP.NET MVC 5
10 6 (14.63%) React Native
Miscellaneous
1 8 (19.51%) Mobile App
2 6 (14.63%) Computer Science
2 6 (14.63%) Greenfield Project
2 6 (14.63%) Tandem
3 3 (7.32%) Analytical Skills
4 1 (2.44%) Client/Server
4 1 (2.44%) Enterprise Software
4 1 (2.44%) Fintech
4 1 (2.44%) User Experience
Operating Systems
1 10 (24.39%) Linux
2 7 (17.07%) Android
2 7 (17.07%) Apple iOS
3 1 (2.44%) Unix
Processes & Methodologies
1 33 (80.49%) Agile Software Development
2 21 (51.22%) MVC
3 16 (39.02%) Continuous Integration
4 14 (34.15%) BDD
4 14 (34.15%) Continuous Delivery
4 14 (34.15%) Scrum
4 14 (34.15%) Test Automation
5 10 (24.39%) Software Engineering
6 8 (19.51%) DevOps
7 7 (17.07%) CQRS
7 7 (17.07%) Domain-Driven Design
7 7 (17.07%) Mobile Application Development
7 7 (17.07%) SDLC
7 7 (17.07%) Unit Testing
8 6 (14.63%) Android Development
8 6 (14.63%) Multithreading
8 6 (14.63%) SEO
8 6 (14.63%) Test Strategy
8 6 (14.63%) Web Application Development
8 6 (14.63%) Workflow
Programming Languages
1 23 (56.10%) C#
2 21 (51.22%) Java
3 15 (36.59%) JavaScript
4 9 (21.95%) Python
5 6 (14.63%) C++
5 6 (14.63%) Groovy
5 6 (14.63%) TypeScript
6 3 (7.32%) Perl
6 3 (7.32%) PHP
6 3 (7.32%) SQL
7 1 (2.44%) PowerShell
Qualifications
1 9 (21.95%) Degree
2 7 (17.07%) Microsoft Certification
3 6 (14.63%) Computer Science Degree
System Software
1 3 (7.32%) Docker
Systems Management
1 3 (7.32%) Opscode Chef
1 3 (7.32%) Prometheus
Vendors
1 22 (53.66%) Microsoft
2 14 (34.15%) Oracle
3 1 (2.44%) Xamarin