Period
to 22 May 2019

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 22 May 2019 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > Northern Ireland
6 months to
22 May 2019
Same period 2018 Same period 2017
Rank 50 19 32
Rank change year-on-year -31 +13 +12
Permanent jobs citing TDD 33 40 28
As % of all permanent IT jobs advertised in Northern Ireland 4.47% 10.50% 5.59%
As % of the Processes & Methodologies category 4.92% 11.49% 5.97%
Number of salaries quoted 29 27 25
Northern Ireland median annual salary £45,000 £37,500 £37,500
Median salary % change year-on-year +20.00% - -
10th Percentile £27,250 £24,750 £32,100
90th Percentile £60,000 £48,750 £59,500
UK median annual salary £55,000 £50,500 £50,000
% change year-on-year +8.91% +1.00% -

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 671 348 469
As % of all permanent IT jobs advertised in Northern Ireland 90.80% 91.34% 93.61%
Number of salaries quoted 436 257 395
Northern Ireland median annual salary £42,500 £39,000 £37,500
Median salary % change year-on-year +8.97% +4.00% -
10th Percentile £25,000 £23,150 £21,250
90th Percentile £65,000 £59,250 £60,000
UK median annual salary £52,500 £50,000 £47,500
% change year-on-year +5.00% +5.26% -

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 22 May 2019.

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 22 May 2019. 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 -30 31 £47,500 +31.94% 2
County Down -2 1 £30,000 -7.69%
Newry - 1 £27,500 -
TDD
UK

For the 6 months to 22 May 2019, 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 24 (72.73%) BDD
2 22 (66.67%) Agile Software Development
3 19 (57.58%) Python
4 16 (48.48%) Java
4 16 (48.48%) JavaScript
5 14 (42.42%) C#
6 11 (33.33%) Scrum
6 11 (33.33%) AngularJS
7 9 (27.27%) SQL
7 9 (27.27%) Greenfield Project
8 8 (24.24%) Scala
8 8 (24.24%) Unit Testing
8 8 (24.24%) Kanban
8 8 (24.24%) Git (software)
8 8 (24.24%) Test Automation
9 7 (21.21%) Front End Development
9 7 (21.21%) Fintech
9 7 (21.21%) SQL Server
9 7 (21.21%) QA
10 6 (18.18%) JIRA
10 6 (18.18%) Software Engineering
10 6 (18.18%) MySQL
10 6 (18.18%) React
10 6 (18.18%) RESTful
10 6 (18.18%) Selenium
10 6 (18.18%) Serverless
11 5 (15.15%) Django
11 5 (15.15%) Node.js
11 5 (15.15%) Microservices
11 5 (15.15%) Flask

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 2 (6.06%) Apache
1 2 (6.06%) Confluence
Cloud Services
1 6 (18.18%) Serverless
2 4 (12.12%) Microsoft Azure
3 1 (3.03%) Amazon AWS
3 1 (3.03%) Google Cloud Platform
Database & Business Intelligence
1 7 (21.21%) SQL Server
2 6 (18.18%) MySQL
3 3 (9.09%) NoSQL
4 2 (6.06%) RDBMS
4 2 (6.06%) Relational Database
5 1 (3.03%) SQL Server 2016
Development Applications
1 8 (24.24%) Git (software)
2 6 (18.18%) JIRA
2 6 (18.18%) Selenium
3 2 (6.06%) Appium
3 2 (6.06%) Bitbucket
3 2 (6.06%) JUnit
3 2 (6.06%) Maven
3 2 (6.06%) SoapUI
3 2 (6.06%) TeamCity
3 2 (6.06%) TestComplete
3 2 (6.06%) TestNG
3 2 (6.06%) WATIR
3 2 (6.06%) WebDriver
4 1 (3.03%) Jenkins
General
1 4 (12.12%) Finance
2 3 (9.09%) Banking
3 1 (3.03%) Back Office
3 1 (3.03%) Investment Banking
Job Titles
1 24 (72.73%) Developer
2 14 (42.42%) Java Developer
3 6 (18.18%) Python Developer
4 5 (15.15%) Django Developer
4 5 (15.15%) Python/Django Developer
5 4 (12.12%) Automation Tester
5 4 (12.12%) Test Automation Engineer
5 4 (12.12%) Test Engineer
5 4 (12.12%) Tester
6 3 (9.09%) C# Developer
6 3 (9.09%) Software Developer
7 2 (6.06%) Analyst
7 2 (6.06%) Automation Test Analyst
7 2 (6.06%) Java Scala Developer
7 2 (6.06%) Scala Developer
7 2 (6.06%) Senior Developer
7 2 (6.06%) Test Analyst
8 1 (3.03%) .NET Developer
8 1 (3.03%) ASP.NET MVC Developer
8 1 (3.03%) C# .NET Developer
Libraries, Frameworks & Software Standards
1 11 (33.33%) AngularJS
2 6 (18.18%) React
2 6 (18.18%) RESTful
3 5 (15.15%) Django
3 5 (15.15%) Flask
3 5 (15.15%) Node.js
3 5 (15.15%) Swagger
3 5 (15.15%) Vue.js
4 4 (12.12%) .NET
4 4 (12.12%) ASP.NET
4 4 (12.12%) ASP.NET Web API
4 4 (12.12%) HTML
4 4 (12.12%) HTML5
4 4 (12.12%) Java EE
4 4 (12.12%) jQuery
5 3 (9.09%) ASP.NET MVC
5 3 (9.09%) CSS
5 3 (9.09%) WCF
6 2 (6.06%) Hibernate
6 2 (6.06%) JSON
Miscellaneous
1 9 (27.27%) Greenfield Project
2 7 (21.21%) Fintech
3 4 (12.12%) Foreign Exchange (FX)
4 3 (9.09%) Analytical Skills
5 2 (6.06%) Derivative
5 2 (6.06%) Equities
6 1 (3.03%) Enterprise Software
Operating Systems
1 5 (15.15%) Linux
2 2 (6.06%) Unix
Processes & Methodologies
1 24 (72.73%) BDD
2 22 (66.67%) Agile Software Development
3 11 (33.33%) Scrum
4 8 (24.24%) Kanban
4 8 (24.24%) Test Automation
4 8 (24.24%) Unit Testing
5 7 (21.21%) Front End Development
6 6 (18.18%) Software Engineering
7 5 (15.15%) API Design
7 5 (15.15%) Microservices
7 5 (15.15%) OO
7 5 (15.15%) OOD
8 4 (12.12%) Artificial Intelligence
8 4 (12.12%) Issue Tracking
8 4 (12.12%) Manual Testing
8 4 (12.12%) MVC
8 4 (12.12%) Requirements Management
8 4 (12.12%) Risk Management
9 3 (9.09%) Continuous Integration
9 3 (9.09%) Stakeholder Management
Programming Languages
1 19 (57.58%) Python
2 16 (48.48%) Java
2 16 (48.48%) JavaScript
3 14 (42.42%) C#
4 9 (27.27%) SQL
5 8 (24.24%) Scala
6 3 (9.09%) C++
7 2 (6.06%) TypeScript
8 1 (3.03%) Kotlin
8 1 (3.03%) Ruby
Qualifications
1 3 (9.09%) Degree
2 2 (6.06%) ISEB
2 2 (6.06%) ISTQB
Quality Assurance & Compliance
1 7 (21.21%) QA
2 1 (3.03%) GDPR
System Software
1 3 (9.09%) Docker
Systems Management
1 4 (12.12%) HP ALM
Vendors
1 4 (12.12%) HP
2 3 (9.09%) Oracle
3 2 (6.06%) Microsoft
4 1 (3.03%) Google