Period
to 22 October 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 22 October 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > Northern Ireland
6 months to
22 Oct 2018
Same period 2017 Same period 2016
Rank 18 39 39
Rank change year-on-year +21 0 -8
Permanent jobs citing TDD 43 32 8
As % of all permanent IT jobs advertised in Northern Ireland 10.41% 7.03% 2.43%
As % of the Processes & Methodologies category 11.68% 7.55% 2.68%
Number of salaries quoted 41 13 6
Northern Ireland median annual salary £40,000 £36,000 £33,750
Median salary % change year-on-year +11.11% +6.67% -20.59%
10th Percentile £27,500 £31,000 £30,250
90th Percentile £68,750 £42,250 £44,125
UK median annual salary £55,000 £52,500 £50,325
% change year-on-year +4.76% +4.32% +0.65%

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 368 424 298
As % of all permanent IT jobs advertised in Northern Ireland 89.10% 93.19% 90.58%
Number of salaries quoted 275 266 240
Northern Ireland median annual salary £40,000 £36,000 £40,000
Median salary % change year-on-year +11.11% -10.00% +6.67%
10th Percentile £24,100 £21,250 £26,250
90th Percentile £65,000 £57,500 £61,250
UK median annual salary £50,000 £50,000 £48,500
% change year-on-year - +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 22 October 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 22 October 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 +19 43 £40,000 +11.11% 11
TDD
UK

For the 6 months to 22 October 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 31 (72.09%) Agile Software Development
2 20 (46.51%) Java
2 20 (46.51%) JavaScript
2 20 (46.51%) Python
3 18 (41.86%) Git (software)
4 16 (37.21%) HTML
5 15 (34.88%) C#
6 14 (32.56%) SQL Server
6 14 (32.56%) Jenkins
7 13 (30.23%) BDD
8 12 (27.91%) Scrum
9 11 (25.58%) CSS
9 11 (25.58%) Microsoft Azure
9 11 (25.58%) AngularJS
9 11 (25.58%) Greenfield Project
10 10 (23.26%) REST
10 10 (23.26%) Microsoft
11 9 (20.93%) SQL
11 9 (20.93%) Web Development
11 9 (20.93%) Continuous Integration
11 9 (20.93%) DevOps
12 8 (18.60%) Amazon AWS
12 8 (18.60%) .NET
12 8 (18.60%) MVC
12 8 (18.60%) Finance
13 7 (16.28%) Test Automation
13 7 (16.28%) JSON
13 7 (16.28%) SOLID
14 6 (13.95%) Ansible
14 6 (13.95%) Opscode Chef

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 5 (11.63%) Confluence
2 1 (2.33%) Apache
2 1 (2.33%) Apache Solr
2 1 (2.33%) Elasticsearch
2 1 (2.33%) JBoss
2 1 (2.33%) Tomcat
Business Applications
1 1 (2.33%) RMDS
Cloud Services
1 11 (25.58%) Microsoft Azure
2 8 (18.60%) Amazon AWS
3 5 (11.63%) AWS CloudFormation
4 4 (9.30%) Serverless
5 2 (4.65%) npm
5 2 (4.65%) SaaS
5 2 (4.65%) Yarn
6 1 (2.33%) PaaS
Communications & Networking
1 5 (11.63%) Intrusion Detection
2 3 (6.98%) Internet
Database & Business Intelligence
1 14 (32.56%) SQL Server
2 2 (4.65%) RDBMS
2 2 (4.65%) Relational Database
2 2 (4.65%) SQL Server 2014
3 1 (2.33%) Cosmos DB
3 1 (2.33%) Hadoop
3 1 (2.33%) MySQL
3 1 (2.33%) NoSQL
Development Applications
1 18 (41.86%) Git (software)
2 14 (32.56%) Jenkins
3 6 (13.95%) JIRA
4 5 (11.63%) Subversion
5 3 (6.98%) JUnit
5 3 (6.98%) TeamCity
6 2 (4.65%) Maven
7 1 (2.33%) CA Release Automation
7 1 (2.33%) gulp
7 1 (2.33%) Octopus Deploy
7 1 (2.33%) Selenium
General
1 8 (18.60%) Finance
2 4 (9.30%) Banking
2 4 (9.30%) Retail
3 3 (6.98%) Investment Banking
4 2 (4.65%) Financial Institution
4 2 (4.65%) Front Office
5 1 (2.33%) Law
5 1 (2.33%) Legal
5 1 (2.33%) Marketing
Job Titles
1 34 (79.07%) Developer
2 13 (30.23%) Java Developer
3 9 (20.93%) Python Developer
4 6 (13.95%) Django Developer
4 6 (13.95%) Python/Django Developer
4 6 (13.95%) Software Developer
5 5 (11.63%) Security Engineer
5 5 (11.63%) Senior Security Engineer
6 4 (9.30%) Java Scala Developer
6 4 (9.30%) Scala Developer
7 3 (6.98%) Applications Developer
7 3 (6.98%) Mobile Applications Developer
7 3 (6.98%) Mobile Developer
7 3 (6.98%) PHP Developer
8 2 (4.65%) C# Developer
8 2 (4.65%) Investment Banking Java Developer
8 2 (4.65%) J2EE Developer
8 2 (4.65%) Java/J2EE Developer
9 1 (2.33%) DevOps Engineer
9 1 (2.33%) Scala Software Engineer
Libraries, Frameworks & Software Standards
1 16 (37.21%) HTML
2 11 (25.58%) AngularJS
2 11 (25.58%) CSS
3 10 (23.26%) REST
4 8 (18.60%) .NET
5 7 (16.28%) JSON
6 6 (13.95%) ASP.NET
6 6 (13.95%) Django
6 6 (13.95%) jQuery
7 5 (11.63%) ASP.NET MVC
7 5 (11.63%) ASP.NET Web API
7 5 (11.63%) HTML5
7 5 (11.63%) Node.js
7 5 (11.63%) SAML
7 5 (11.63%) WPF
8 4 (9.30%) Entity Framework
8 4 (9.30%) Hibernate
8 4 (9.30%) Spring
8 4 (9.30%) WCF
9 3 (6.98%) Laravel
Miscellaneous
1 11 (25.58%) Greenfield Project
2 5 (11.63%) Computer Science
2 5 (11.63%) Enterprise Cloud
2 5 (11.63%) Self-Motivation
2 5 (11.63%) User Experience
3 3 (6.98%) Analytical Skills
3 3 (6.98%) Foreign Exchange (FX)
3 3 (6.98%) Internet of Things
3 3 (6.98%) Mobile App
4 2 (4.65%) Public Cloud
Operating Systems
1 5 (11.63%) Linux
Processes & Methodologies
1 31 (72.09%) Agile Software Development
2 13 (30.23%) BDD
3 12 (27.91%) Scrum
4 9 (20.93%) Continuous Integration
4 9 (20.93%) DevOps
4 9 (20.93%) Web Development
5 8 (18.60%) MVC
6 7 (16.28%) SOLID
6 7 (16.28%) Test Automation
7 6 (13.95%) Deployment Automation
7 6 (13.95%) OO
7 6 (13.95%) Unit Testing
8 5 (11.63%) Don't repeat yourself (DRY)
8 5 (11.63%) Open Source
8 5 (11.63%) Pair Programming
8 5 (11.63%) Penetration Testing
8 5 (11.63%) Vulnerability Scanning
8 5 (11.63%) Web Application Development
9 4 (9.30%) SDLC
9 4 (9.30%) Software Engineering
Programming Languages
1 20 (46.51%) Java
1 20 (46.51%) JavaScript
1 20 (46.51%) Python
2 15 (34.88%) C#
3 9 (20.93%) SQL
4 6 (13.95%) Bash Shell
4 6 (13.95%) Ruby
4 6 (13.95%) Scala
5 5 (11.63%) Perl
6 4 (9.30%) Kotlin
7 3 (6.98%) Go
7 3 (6.98%) PHP
7 3 (6.98%) TypeScript
8 2 (4.65%) C++
8 2 (4.65%) ES6
8 2 (4.65%) Java 8
9 1 (2.33%) PowerShell
Qualifications
1 5 (11.63%) CISSP
1 5 (11.63%) OSCP
1 5 (11.63%) SANS
2 4 (9.30%) Degree
3 2 (4.65%) Microsoft Certification
Quality Assurance & Compliance
1 1 (2.33%) QA
System Software
1 1 (2.33%) Docker
1 1 (2.33%) VMware Infrastructure
Systems Management
1 6 (13.95%) Ansible
1 6 (13.95%) Opscode Chef
1 6 (13.95%) Puppet
2 1 (2.33%) Kubernetes
2 1 (2.33%) logstash
2 1 (2.33%) Rundeck
Vendors
1 10 (23.26%) Microsoft
2 4 (9.30%) Oracle
3 3 (6.98%) Xamarin
4 1 (2.33%) Ab Initio
4 1 (2.33%) FXall
4 1 (2.33%) Reuters
4 1 (2.33%) StreamBase
4 1 (2.33%) TIBCO
4 1 (2.33%) VMware