The table below looks at the statistics for TDD skills in IT contracts advertised for the Northern Ireland region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 21 February 2017 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
21 Feb 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
UK / Northern Ireland
Rank 26 - 21
Rank change year-on-year
- 0
Contract jobs citing TDD 12 0 3
As % of all contract IT jobs located in Northern Ireland 5.04% - 2.68%
As % of the Processes & Methodologies category 6.25% - 3.23%
Number of daily rates quoted 7 0 2
Median daily rate £400 - £381
90% offered a daily rate of more than £381 - £376
10% offered a daily rate of more than £460 - £386
UK excluding London median daily rate £419 £400 £375
% change year-on-year
+4.62% +6.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £37.00 £40.00 £36.00
% change year-on-year
-7.50% +11.11%

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the Northern Ireland region.

Processes & Methodologies Category
Northern Ireland
Contract IT job ads with a match in the
Processes & Methodologies category
192 90 93
As % of all contract IT jobs located in Northern Ireland 80.67% 82.57% 83.04%
Number of daily rates quoted 143 40 47
Median daily rate £375 £325 £176
Median daily rate % change year-on-year
+15.38% +84.65%
90% offered a daily rate of more than £250 £260 £88
10% offered a daily rate of more than £450 £450 £375
UK excluding London median daily rate £410 £400 £400
% change year-on-year
+2.50% -
Number of hourly rates quoted 4 1 1
Median hourly rate £10.00 £40.00 £125.00
Median hourly rate % change year-on-year
-75.00% -68.00%
UK excluding London median hourly rate £35.75 £40.00 £27.50
% change year-on-year
-10.62% +45.45%

TDD
Jobs Demand Trend in Northern Ireland

The demand trend of contract jobs across the Northern Ireland region citing TDD as a proportion of all IT contracts with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Northern Ireland

TDD
Daily Rate Trend in Northern Ireland

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

TDD Daily Rate Trend in Northern Ireland

TDD
Daily Rate Histogram in Northern Ireland

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Northern Ireland region over the 3 months to 21 February 2017.

TDD Daily Rate Histogram 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 21 February 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 - 11 £400 - 2
TDD
UK

TDD
Top 30 Related IT Skills in Northern Ireland

For the 6 months to 21 February 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 35 (100.00%) Agile Software Development
2 27 (77.14%) Java
3 25 (71.43%) SQL
3 25 (71.43%) BDD
4 22 (62.86%) OOD
5 18 (51.43%) C#
6 17 (48.57%) Continuous Integration
6 17 (48.57%) Multithreading
7 16 (45.71%) NoSQL
8 15 (42.86%) C++
8 15 (42.86%) Python
9 14 (40.00%) Front Office
9 14 (40.00%) Degree
10 13 (37.14%) Information Security
10 13 (37.14%) Integration Testing
11 12 (34.29%) Finance
12 11 (31.43%) Linux
12 11 (31.43%) Banking
12 11 (31.43%) Mathematics
13 10 (28.57%) Equity Derivative
14 8 (22.86%) Data Validation
14 8 (22.86%) Validation
14 8 (22.86%) AngularJS
15 7 (20.00%) Relational Database
15 7 (20.00%) RDBMS
16 6 (17.14%) Apache
17 5 (14.29%) Amazon AWS
17 5 (14.29%) jQuery
17 5 (14.29%) Cloud Foundry
17 5 (14.29%) Analytical Skills

TDD
Top Related 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 6 (17.14%) Apache
2 5 (14.29%) Cloud Foundry
3 2 (5.71%) Confluence
Cloud Services
1 5 (14.29%) Amazon AWS
Database & Business Intelligence
1 16 (45.71%) NoSQL
2 7 (20.00%) RDBMS
2 7 (20.00%) Relational Database
3 4 (11.43%) KDB
3 4 (11.43%) Kdb+
4 1 (2.86%) SQL Server
Development Applications
1 2 (5.71%) Bitbucket
1 2 (5.71%) Git (software)
1 2 (5.71%) JIRA
1 2 (5.71%) TeamCity
General
1 14 (40.00%) Front Office
2 12 (34.29%) Finance
3 11 (31.43%) Banking
Job Titles
1 33 (94.29%) Developer
2 26 (74.29%) Java Developer
3 15 (42.86%) Senior Developer
4 13 (37.14%) Lead Developer
4 13 (37.14%) Senior Java Developer
5 4 (11.43%) KDB Developer
6 3 (8.57%) .NET Developer
7 2 (5.71%) C# .NET Developer
7 2 (5.71%) C# Developer
7 2 (5.71%) Lead Java Developer
7 2 (5.71%) Senior .NET Developer
7 2 (5.71%) Senior C# .NET Developer
7 2 (5.71%) Senior C# Developer
7 2 (5.71%) SQL Developer
8 1 (2.86%) JavaScript Developer
8 1 (2.86%) Scrum Master
8 1 (2.86%) Senior JavaScript Developer
8 1 (2.86%) Senior SQL Developer
8 1 (2.86%) Technical Developer
8 1 (2.86%) Technical Leader
Libraries, Frameworks & Software Standards
1 8 (22.86%) AngularJS
2 5 (14.29%) jQuery
3 4 (11.43%) Angular 2
3 4 (11.43%) Node.js
3 4 (11.43%) Spring
3 4 (11.43%) Spring Boot
4 3 (8.57%) .NET
4 3 (8.57%) ASP.NET
4 3 (8.57%) ASP.NET MVC
5 2 (5.71%) WPF
6 1 (2.86%) ASP.NET Web API
6 1 (2.86%) SOAP
6 1 (2.86%) WCF
Miscellaneous
1 10 (28.57%) Equity Derivative
2 5 (14.29%) Analytical Skills
3 4 (11.43%) N-Tier
4 3 (8.57%) Equities
5 2 (5.71%) Derivative
6 1 (2.86%) User Experience
Operating Systems
1 11 (31.43%) Linux
2 4 (11.43%) Solaris
2 4 (11.43%) Unix
Processes & Methodologies
1 35 (100.00%) Agile Software Development
2 25 (71.43%) BDD
3 22 (62.86%) OOD
4 17 (48.57%) Continuous Integration
4 17 (48.57%) Multithreading
5 13 (37.14%) Information Security
5 13 (37.14%) Integration Testing
6 11 (31.43%) Mathematics
7 8 (22.86%) Data Validation
7 8 (22.86%) Validation
8 4 (11.43%) Defect Management
8 4 (11.43%) Mentoring
8 4 (11.43%) Migration
8 4 (11.43%) Pair Programming
9 3 (8.57%) MVC
10 2 (5.71%) Multithreaded Programming
11 1 (2.86%) DSDM
11 1 (2.86%) Programme Management
11 1 (2.86%) Scrum
11 1 (2.86%) UML
Programming Languages
1 27 (77.14%) Java
2 25 (71.43%) SQL
3 18 (51.43%) C#
4 15 (42.86%) C++
4 15 (42.86%) Python
5 4 (11.43%) Perl
6 2 (5.71%) JavaScript
Qualifications
1 14 (40.00%) Degree
System Software
1 1 (2.86%) Docker