Period
to 19 December 2018

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 19 December 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > Northern Ireland
6 months to
19 Dec 2018
Same period 2017 Same period 2016
Rank 27 30 32
Rank change year-on-year +3 +2 -6
Permanent jobs citing TDD 58 42 17
As % of all permanent IT jobs advertised in Northern Ireland 9.25% 8.77% 4.99%
As % of the Processes & Methodologies category 10.27% 9.57% 5.43%
Number of salaries quoted 46 23 11
Northern Ireland median annual salary £42,500 £40,000 £37,500
Median salary % change year-on-year +6.25% +6.67% -11.76%
10th Percentile £33,750 £22,500 £30,250
90th Percentile £68,750 £50,000 £60,000
UK median annual salary £55,000 £52,500 £50,000
% change year-on-year +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 565 439 313
As % of all permanent IT jobs advertised in Northern Ireland 90.11% 91.65% 91.79%
Number of salaries quoted 325 284 242
Northern Ireland median annual salary £42,500 £37,500 £37,500
Median salary % change year-on-year +13.33% - -6.25%
10th Percentile £26,250 £21,750 £26,250
90th Percentile £65,000 £55,000 £61,125
UK median annual salary £52,500 £50,000 £48,500
% change year-on-year +5.00% +3.09% +2.11%

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 19 December 2018.

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 19 December 2018. 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 +11 57 £42,500 +2.41% 7
Newry - 1 £27,500 -
TDD
UK

For the 6 months to 19 December 2018, 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 42 (72.41%) Agile Software Development
2 39 (67.24%) Python
3 34 (58.62%) BDD
4 31 (53.45%) JavaScript
5 27 (46.55%) Java
6 22 (37.93%) C#
6 22 (37.93%) AngularJS
7 20 (34.48%) HTML
8 19 (32.76%) Scrum
8 19 (32.76%) Git (software)
9 18 (31.03%) SQL
9 18 (31.03%) Greenfield Project
10 14 (24.14%) SQL Server
10 14 (24.14%) JIRA
11 13 (22.41%) Unit Testing
11 13 (22.41%) Test Automation
11 13 (22.41%) CSS
12 12 (20.69%) jQuery
12 12 (20.69%) Jenkins
13 10 (17.24%) Continuous Integration
13 10 (17.24%) QA
13 10 (17.24%) Microsoft Azure
13 10 (17.24%) Node.js
13 10 (17.24%) REST
13 10 (17.24%) Microsoft
13 10 (17.24%) MVC
14 9 (15.52%) OOD
14 9 (15.52%) Linux
14 9 (15.52%) Confluence
14 9 (15.52%) TeamCity

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 9 (15.52%) Confluence
2 4 (6.90%) Apache
Cloud Services
1 10 (17.24%) Microsoft Azure
2 8 (13.79%) Amazon AWS
2 8 (13.79%) Serverless
3 5 (8.62%) AWS CloudFormation
4 2 (3.45%) npm
4 2 (3.45%) Yarn
Communications & Networking
1 5 (8.62%) Intrusion Detection
2 3 (5.17%) Internet
Database & Business Intelligence
1 14 (24.14%) SQL Server
2 7 (12.07%) NoSQL
2 7 (12.07%) RDBMS
2 7 (12.07%) Relational Database
3 4 (6.90%) MySQL
4 3 (5.17%) Cosmos DB
5 2 (3.45%) SQL Server 2014
Development Applications
1 19 (32.76%) Git (software)
2 14 (24.14%) JIRA
3 12 (20.69%) Jenkins
4 9 (15.52%) Selenium
4 9 (15.52%) TeamCity
5 6 (10.34%) JUnit
6 5 (8.62%) Subversion
7 4 (6.90%) Appium
7 4 (6.90%) Bitbucket
7 4 (6.90%) SoapUI
7 4 (6.90%) TestComplete
7 4 (6.90%) TestNG
7 4 (6.90%) WATIR
7 4 (6.90%) WebDriver
8 3 (5.17%) Octopus Deploy
9 2 (3.45%) Maven
General
1 6 (10.34%) Finance
2 5 (8.62%) Retail
3 3 (5.17%) Banking
3 3 (5.17%) Legal
4 2 (3.45%) Front Office
5 1 (1.72%) Investment Banking
Job Titles
1 43 (74.14%) Developer
2 18 (31.03%) Java Developer
3 13 (22.41%) Python Developer
4 8 (13.79%) Django Developer
4 8 (13.79%) Python/Django Developer
5 7 (12.07%) Automation Tester
5 7 (12.07%) Tester
6 5 (8.62%) Java Scala Developer
6 5 (8.62%) Scala Developer
6 5 (8.62%) Security Engineer
6 5 (8.62%) Senior Security Engineer
7 4 (6.90%) Analyst
7 4 (6.90%) C# Developer
7 4 (6.90%) PHP Developer
7 4 (6.90%) Software Developer
7 4 (6.90%) Test Analyst
7 4 (6.90%) Test Automation Engineer
7 4 (6.90%) Test Engineer
8 3 (5.17%) .NET Developer
8 3 (5.17%) Applications Developer
Libraries, Frameworks & Software Standards
1 22 (37.93%) AngularJS
2 20 (34.48%) HTML
3 13 (22.41%) CSS
4 12 (20.69%) jQuery
5 10 (17.24%) Node.js
5 10 (17.24%) REST
6 9 (15.52%) Django
7 7 (12.07%) .NET
7 7 (12.07%) ASP.NET
7 7 (12.07%) HTML5
7 7 (12.07%) JSON
7 7 (12.07%) RESTful
8 6 (10.34%) ASP.NET MVC
8 6 (10.34%) Entity Framework
8 6 (10.34%) React
9 5 (8.62%) Java EE
9 5 (8.62%) SAML
9 5 (8.62%) WPF
10 4 (6.90%) Swagger
10 4 (6.90%) Symfony
Miscellaneous
1 18 (31.03%) Greenfield Project
2 8 (13.79%) Fintech
3 6 (10.34%) Foreign Exchange (FX)
4 5 (8.62%) Analytical Skills
4 5 (8.62%) Enterprise Cloud
4 5 (8.62%) Self-Motivation
4 5 (8.62%) User Experience
5 4 (6.90%) Derivative
5 4 (6.90%) Equities
6 3 (5.17%) Internet of Things
6 3 (5.17%) Mobile App
Operating Systems
1 9 (15.52%) Linux
2 4 (6.90%) Unix
Processes & Methodologies
1 42 (72.41%) Agile Software Development
2 34 (58.62%) BDD
3 19 (32.76%) Scrum
4 13 (22.41%) Test Automation
4 13 (22.41%) Unit Testing
5 10 (17.24%) Continuous Integration
5 10 (17.24%) MVC
6 9 (15.52%) OOD
7 8 (13.79%) DevOps
7 8 (13.79%) Kanban
7 8 (13.79%) Microservices
7 8 (13.79%) Web Development
8 7 (12.07%) OO
9 6 (10.34%) SOLID
10 5 (8.62%) Deployment Automation
10 5 (8.62%) Don't repeat yourself (DRY)
10 5 (8.62%) Issue Tracking
10 5 (8.62%) Open Source
10 5 (8.62%) Vulnerability Scanning
10 5 (8.62%) Web Application Development
Programming Languages
1 39 (67.24%) Python
2 31 (53.45%) JavaScript
3 27 (46.55%) Java
4 22 (37.93%) C#
5 18 (31.03%) SQL
6 7 (12.07%) Scala
7 5 (8.62%) Bash Shell
7 5 (8.62%) Perl
7 5 (8.62%) Ruby
8 4 (6.90%) C++
8 4 (6.90%) Go
8 4 (6.90%) PHP
9 3 (5.17%) TypeScript
10 2 (3.45%) ES6
10 2 (3.45%) Java 8
11 1 (1.72%) Kotlin
Qualifications
1 9 (15.52%) Degree
2 5 (8.62%) CISSP
2 5 (8.62%) OSCP
2 5 (8.62%) SANS
3 4 (6.90%) ISEB
3 4 (6.90%) ISTQB
3 4 (6.90%) Microsoft Certification
Quality Assurance & Compliance
1 10 (17.24%) QA
Systems Management
1 5 (8.62%) Ansible
1 5 (8.62%) HP ALM
1 5 (8.62%) Opscode Chef
1 5 (8.62%) Puppet
Vendors
1 10 (17.24%) Microsoft
2 5 (8.62%) HP
2 5 (8.62%) Oracle
3 3 (5.17%) Xamarin
4 1 (1.72%) FXall
4 1 (1.72%) Reuters