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

Test-Driven Development (TDD)
UK > Northern Ireland
6 months to
22 Jul 2018
Same period 2017 Same period 2016
Rank 23 35 48
Rank change year-on-year +12 +13 -16
Permanent jobs citing TDD 40 21 2
As % of all permanent IT jobs advertised in Northern Ireland 9.80% 4.68% 0.66%
As % of the Processes & Methodologies category 10.67% 5.01% 0.71%
Number of salaries quoted 26 20 1
Northern Ireland median annual salary £38,750 £37,500 £42,000
Median salary % change year-on-year +3.33% -10.71% +10.53%
10th Percentile £26,250 £31,000 £37,000
90th Percentile £50,625 £50,000 £47,000
UK median annual salary £52,500 £51,000 £50,000
% change year-on-year +2.94% +2.00% +2.83%

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 375 419 282
As % of all permanent IT jobs advertised in Northern Ireland 91.91% 93.32% 93.38%
Number of salaries quoted 268 336 211
Northern Ireland median annual salary £40,000 £37,500 £40,000
Median salary % change year-on-year +6.67% -6.25% +14.29%
10th Percentile £21,700 £21,250 £25,000
90th Percentile £65,000 £60,000 £61,250
UK median annual salary £50,000 £49,500 £47,500
% change year-on-year +1.01% +4.21% -

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 July 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 July 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 +14 39 £37,500 - 10
County Armagh - 1 £40,000 -
TDD
UK

For the 6 months to 22 July 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 34 (85.00%) Agile Software Development
2 16 (40.00%) Mentoring
3 15 (37.50%) Software Engineering
4 14 (35.00%) OO
4 14 (35.00%) Continuous Integration
4 14 (35.00%) BDD
5 13 (32.50%) Degree
5 13 (32.50%) Coaching
5 13 (32.50%) Software Delivery
5 13 (32.50%) Continuous Delivery
6 12 (30.00%) Blockchain
6 12 (30.00%) Computer Science Degree
6 12 (30.00%) Computer Science
6 12 (30.00%) Time Management
6 12 (30.00%) Java
6 12 (30.00%) Telecoms
7 11 (27.50%) SQL Server
8 10 (25.00%) JavaScript
8 10 (25.00%) C#
8 10 (25.00%) .NET
9 9 (22.50%) Finance
9 9 (22.50%) Microservices
10 8 (20.00%) Exploratory Testing
10 8 (20.00%) Microsoft
10 8 (20.00%) Git (software)
10 8 (20.00%) Microsoft Azure
11 7 (17.50%) Test Automation
12 6 (15.00%) Scrum
12 6 (15.00%) SQL
12 6 (15.00%) SDLC

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 (5.00%) JBoss
1 2 (5.00%) Tomcat
2 1 (2.50%) Apache
2 1 (2.50%) Apache Solr
2 1 (2.50%) Elasticsearch
2 1 (2.50%) IIS
2 1 (2.50%) WebLogic
Business Applications
1 1 (2.50%) RMDS
Cloud Services
1 8 (20.00%) Microsoft Azure
2 2 (5.00%) Amazon AWS
2 2 (5.00%) SaaS
3 1 (2.50%) npm
3 1 (2.50%) PaaS
3 1 (2.50%) Yarn
Database & Business Intelligence
1 12 (30.00%) Blockchain
2 11 (27.50%) SQL Server
3 5 (12.50%) NoSQL
3 5 (12.50%) RDBMS
3 5 (12.50%) Relational Database
4 2 (5.00%) Hadoop
4 2 (5.00%) MySQL
5 1 (2.50%) Azure SQL Database
5 1 (2.50%) Hazelcast
5 1 (2.50%) MongoDB
5 1 (2.50%) Redis
5 1 (2.50%) SQL Server 2008
5 1 (2.50%) SQL Server 2012
5 1 (2.50%) SQL Server 2014
Development Applications
1 8 (20.00%) Git (software)
2 4 (10.00%) Jenkins
3 3 (7.50%) JUnit
4 1 (2.50%) CA Release Automation
4 1 (2.50%) gulp
4 1 (2.50%) JIRA
4 1 (2.50%) Maven
4 1 (2.50%) Mockito
4 1 (2.50%) Selenium
4 1 (2.50%) Subversion
4 1 (2.50%) Team Foundation Server
4 1 (2.50%) TeamCity
4 1 (2.50%) Visual Studio Team System
General
1 12 (30.00%) Telecoms
2 9 (22.50%) Finance
3 4 (10.00%) Banking
4 3 (7.50%) Financial Institution
4 3 (7.50%) Investment Banking
5 1 (2.50%) Front Office
5 1 (2.50%) Law
5 1 (2.50%) Marketing
Job Titles
1 20 (50.00%) Developer
2 12 (30.00%) Blockchain Engineer
2 12 (30.00%) Software Engineer
3 10 (25.00%) Java Developer
4 8 (20.00%) Blockchain Software Engineer
5 7 (17.50%) Software Developer
6 4 (10.00%) C++ Software Engineer
6 4 (10.00%) Data Engineer
6 4 (10.00%) Principal Engineer
6 4 (10.00%) Principal Software Engineer
6 4 (10.00%) Senior Data Engineer
6 4 (10.00%) Senior Software Engineer
7 3 (7.50%) C Software Engineer
7 3 (7.50%) C/C++ Software Engineer
7 3 (7.50%) J2EE Developer
7 3 (7.50%) Java/J2EE Developer
8 2 (5.00%) .NET Developer
8 2 (5.00%) Investment Banking Java Developer
8 2 (5.00%) Python Developer
8 2 (5.00%) Scala Developer
Libraries, Frameworks & Software Standards
1 10 (25.00%) .NET
2 6 (15.00%) ASP.NET Web API
3 5 (12.50%) AngularJS
3 5 (12.50%) ASP.NET
3 5 (12.50%) Hibernate
3 5 (12.50%) Spring
3 5 (12.50%) WCF
4 4 (10.00%) ASP.NET MVC
4 4 (10.00%) HTML
5 3 (7.50%) HTML5
5 3 (7.50%) J2EE
6 2 (5.00%) .NET Framework
6 2 (5.00%) Java EE
6 2 (5.00%) REST
6 2 (5.00%) WPF
7 1 (2.50%) Django
7 1 (2.50%) Entity Framework
7 1 (2.50%) iBATIS
7 1 (2.50%) JSON
7 1 (2.50%) Node.js
Miscellaneous
1 12 (30.00%) Computer Science
2 4 (10.00%) N-Tier
3 3 (7.50%) Foreign Exchange (FX)
4 2 (5.00%) Greenfield Project
4 2 (5.00%) Public Cloud
5 1 (2.50%) Analytical Skills
5 1 (2.50%) Mobile App
Operating Systems
1 4 (10.00%) Windows
2 3 (7.50%) Linux
3 1 (2.50%) Android
3 1 (2.50%) Apple iOS
3 1 (2.50%) Windows Server
Processes & Methodologies
1 34 (85.00%) Agile Software Development
2 16 (40.00%) Mentoring
3 15 (37.50%) Software Engineering
4 14 (35.00%) BDD
4 14 (35.00%) Continuous Integration
4 14 (35.00%) OO
5 13 (32.50%) Coaching
5 13 (32.50%) Continuous Delivery
5 13 (32.50%) Software Delivery
6 12 (30.00%) Time Management
7 9 (22.50%) Microservices
8 8 (20.00%) Exploratory Testing
9 7 (17.50%) Test Automation
10 6 (15.00%) Scrum
10 6 (15.00%) SDLC
10 6 (15.00%) SOLID
11 5 (12.50%) DevOps
11 5 (12.50%) Multithreading
11 5 (12.50%) SOA
12 4 (10.00%) Web Development
Programming Languages
1 12 (30.00%) Java
2 10 (25.00%) C#
2 10 (25.00%) JavaScript
3 6 (15.00%) SQL
4 5 (12.50%) C++
5 4 (10.00%) Kotlin
5 4 (10.00%) Python
5 4 (10.00%) Scala
6 3 (7.50%) C
7 2 (5.00%) TypeScript
8 1 (2.50%) Bash Shell
8 1 (2.50%) ES6
8 1 (2.50%) Java 8
8 1 (2.50%) PowerShell
8 1 (2.50%) Ruby
Qualifications
1 13 (32.50%) Degree
2 12 (30.00%) Computer Science Degree
3 1 (2.50%) Microsoft Certification
Quality Assurance & Compliance
1 1 (2.50%) QA
System Software
1 1 (2.50%) Docker
1 1 (2.50%) VMware Infrastructure
Systems Management
1 1 (2.50%) Ansible
1 1 (2.50%) Kubernetes
1 1 (2.50%) logstash
1 1 (2.50%) Opscode Chef
1 1 (2.50%) Puppet
1 1 (2.50%) Rundeck
Vendors
1 8 (20.00%) Microsoft
2 3 (7.50%) Oracle
3 1 (2.50%) Ab Initio
3 1 (2.50%) FXall
3 1 (2.50%) Reuters
3 1 (2.50%) StreamBase
3 1 (2.50%) TIBCO
3 1 (2.50%) VMware