The following table provides summary statistics for contract job vacancies advertised in Northern Ireland with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 27 June 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
UK / Northern Ireland
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 46 18 -
Rank change year-on-year -28 -  
Contract jobs citing TDD 19 2 0
As % of all contract IT jobs advertised in Northern Ireland 5.29% 1.96% -
As % of the Processes & Methodologies category 6.23% 2.38% -
Number of daily rates quoted 17 1 0
Median daily rate £400 £438 -
Median daily rate % change year-on-year -8.57% -  
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £43.75
% change year-on-year +3.75% -8.57%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Northern Ireland with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Northern Ireland
Contract job vacancies with a requirement for process and methodology skills 305 84 60
As % of all contract IT job vacancies advertised in Northern Ireland 84.96% 82.35% 69.77%
Number of daily rates quoted 261 44 28
Median daily rate £413 £375 £450
Median daily rate % change year-on-year +10.00% -16.66%  
90% offered a daily rate of more than £365 £250 £150
10% offered a daily rate of more than £470 £450 £550
UK excluding London median daily rate £415 £400 £385
% change year-on-year +3.75% +3.89%  
Number of hourly rates quoted 1 6 2
Median hourly rate £13.78 £17.00 £32.00
Median hourly rate % change year-on-year -18.97% -46.87%  
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

TDD
Job Vacancy Trend in Northern Ireland

The job posting trend of jobs advertised in Northern Ireland citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Northern Ireland

TDD
Contractor Daily Rate Trend in Northern Ireland

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Northern Ireland.

Contractor daily rate trend for TDD in Northern Ireland

TDD
Contractor Daily Rate Histogram in Northern Ireland

The daily rate distribution of IT jobs citing TDD in Northern Ireland over the 3 months to 27 June 2017.

Contractor daily rate histogram for TDD in Northern Ireland

TDD
Contract Job Locations in Northern Ireland

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Northern Ireland region over the 3 months to 27 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
County Antrim -24 19 £400 -8.57% 1
TDD
UK

For the 6 months to 27 June 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Northern Ireland region with a requirement for TDD.

1 20 (68.97%) Agile Software Development
2 15 (51.72%) Java
2 15 (51.72%) Continuous Integration
3 13 (44.83%) Front Office
3 13 (44.83%) Analytical Skills
4 10 (34.48%) Finance
5 9 (31.03%) C#
5 9 (31.03%) Unix
6 8 (27.59%) Pair Programming
7 7 (24.14%) Information Security
7 7 (24.14%) Linux
7 7 (24.14%) BDD
7 7 (24.14%) Integration Testing
8 6 (20.69%) Multithreading
8 6 (20.69%) Relational Database
8 6 (20.69%) C++
8 6 (20.69%) Greenfield Project
9 5 (17.24%) Asynchronous Programming
9 5 (17.24%) Angular 2
9 5 (17.24%) SQL
9 5 (17.24%) Visual Studio
9 5 (17.24%) OOD
9 5 (17.24%) Cloud Foundry
9 5 (17.24%) Low Latency
9 5 (17.24%) Mentoring
9 5 (17.24%) Performance Improvement
9 5 (17.24%) AngularJS
9 5 (17.24%) Test Automation
9 5 (17.24%) Amazon AWS
10 4 (13.79%) Data Structures

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 (17.24%) Cloud Foundry
2 2 (6.90%) Apache Solr
2 2 (6.90%) Confluence
2 2 (6.90%) Elasticsearch
3 1 (3.45%) Apache Spark
3 1 (3.45%) Jetty
3 1 (3.45%) Tomcat
3 1 (3.45%) WebSphere
Cloud Services
1 5 (17.24%) Amazon AWS
Database & Business Intelligence
1 6 (20.69%) Relational Database
2 3 (10.34%) Big Data
2 3 (10.34%) KDB
2 3 (10.34%) Kdb+
2 3 (10.34%) SQL Server
3 2 (6.90%) Apache Cassandra
3 2 (6.90%) Endeca
3 2 (6.90%) Hadoop
3 2 (6.90%) MongoDB
3 2 (6.90%) NoSQL
4 1 (3.45%) Apache Hive
4 1 (3.45%) IDOL
Development Applications
1 5 (17.24%) Visual Studio
2 2 (6.90%) Ant
2 2 (6.90%) Apache Ivy
2 2 (6.90%) Bitbucket
2 2 (6.90%) Git (software)
2 2 (6.90%) JIRA
2 2 (6.90%) JUnit
2 2 (6.90%) Maven
2 2 (6.90%) Subversion
3 1 (3.45%) Moq
3 1 (3.45%) NUnit
3 1 (3.45%) QUnit
3 1 (3.45%) Rhino Mocks
3 1 (3.45%) Selenium
3 1 (3.45%) SpecFlow
3 1 (3.45%) WebDriver
General
1 13 (44.83%) Front Office
2 10 (34.48%) Finance
3 3 (10.34%) Banking
Job Titles
1 26 (89.66%) Developer
2 14 (48.28%) Java Developer
3 10 (34.48%) Senior Developer
4 7 (24.14%) Senior Java Developer
5 6 (20.69%) C# Developer
6 5 (17.24%) C++ Developer
6 5 (17.24%) C++/C# Developer
7 3 (10.34%) .NET Developer
7 3 (10.34%) KDB Developer
8 2 (6.90%) Real Time Developer
8 2 (6.90%) Senior C# Developer
8 2 (6.90%) Senior C++ Developer
9 1 (3.45%) Analyst
9 1 (3.45%) Development Team Leader
9 1 (3.45%) Java Team Leader
9 1 (3.45%) JavaScript Developer
9 1 (3.45%) QA Analyst
9 1 (3.45%) Senior .NET Developer
9 1 (3.45%) SQL Developer
9 1 (3.45%) Team Leader
Libraries, Frameworks & Software Standards
1 5 (17.24%) Angular 2
1 5 (17.24%) AngularJS
2 4 (13.79%) .NET
2 4 (13.79%) Spring
2 4 (13.79%) Spring Boot
3 3 (10.34%) .NET Framework
3 3 (10.34%) JSON
3 3 (10.34%) RESTful
3 3 (10.34%) Web Services
4 2 (6.90%) ASP.NET
4 2 (6.90%) ASP.NET MVC
4 2 (6.90%) ASP.NET Web API
4 2 (6.90%) jQuery
4 2 (6.90%) Natural Language Processing
4 2 (6.90%) React
4 2 (6.90%) SOAP
4 2 (6.90%) WCF
4 2 (6.90%) WPF
4 2 (6.90%) XML
5 1 (3.45%) JDBC
Miscellaneous
1 13 (44.83%) Analytical Skills
2 6 (20.69%) Greenfield Project
3 4 (13.79%) Data Structures
3 4 (13.79%) Equity Derivative
4 3 (10.34%) Derivative
4 3 (10.34%) N-Tier
5 2 (6.90%) Computer Science
5 2 (6.90%) Enterprise Software
5 2 (6.90%) Equities
5 2 (6.90%) Linux Command Line
6 1 (3.45%) Foreign Exchange (FX)
6 1 (3.45%) User Experience
Operating Systems
1 9 (31.03%) Unix
2 7 (24.14%) Linux
3 3 (10.34%) Solaris
4 1 (3.45%) Windows
4 1 (3.45%) Windows Server
Processes & Methodologies
1 20 (68.97%) Agile Software Development
2 15 (51.72%) Continuous Integration
3 8 (27.59%) Pair Programming
4 7 (24.14%) BDD
4 7 (24.14%) Information Security
4 7 (24.14%) Integration Testing
5 6 (20.69%) Multithreading
6 5 (17.24%) Asynchronous Programming
6 5 (17.24%) Low Latency
6 5 (17.24%) Mentoring
6 5 (17.24%) OOD
6 5 (17.24%) Performance Improvement
6 5 (17.24%) Test Automation
7 4 (13.79%) OO
8 3 (10.34%) Data Validation
8 3 (10.34%) Defect Management
8 3 (10.34%) Refactoring
8 3 (10.34%) Validation
9 2 (6.90%) Data Analytics
9 2 (6.90%) Open Source
Programming Languages
1 15 (51.72%) Java
2 9 (31.03%) C#
3 6 (20.69%) C++
4 5 (17.24%) SQL
5 3 (10.34%) JavaScript
5 3 (10.34%) Perl
6 2 (6.90%) R
6 2 (6.90%) TypeScript
7 1 (3.45%) Python
Qualifications
1 4 (13.79%) Degree
2 3 (10.34%) Computer Science Degree
Quality Assurance & Compliance
1 1 (3.45%) QA
System Software
1 1 (3.45%) Docker
1 1 (3.45%) HDFS
Vendors
1 2 (6.90%) Atlassian
2 1 (3.45%) Microsoft
Northern Ireland
Harvey Nash plc
Rate: £350 - £400 per day
Posted: 18 hours ago