The table below looks at the statistics for TDD skills in IT contracts advertised for the Belfast region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 25 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
25 Feb 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
County Antrim / Belfast
Rank 30 - 20
Rank change year-on-year
- 0
Contract jobs citing TDD 10 0 4
As % of all contract IT jobs located in Belfast 4.46% - 4.21%
As % of the Processes & Methodologies category 5.38% - 4.71%
Number of daily rates quoted 5 0 2
Median daily rate £400 - £381
UK excluding London median daily rate £416 £400 £375
% change year-on-year
+4.00% +6.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £39.00 £40.00 £34.50
% change year-on-year
-2.50% +15.94%

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

Processes & Methodologies Category
Belfast
Contract IT job ads with a match in the
Processes & Methodologies category
186 88 85
As % of all contract IT jobs located in Belfast 83.04% 83.81% 89.47%
Number of daily rates quoted 143 41 41
Median daily rate £375 £306 £177
Median daily rate % change year-on-year
+22.44% +73.02%
90% offered a daily rate of more than £250 £250 £88
10% offered a daily rate of more than £450 £450 £375
UK excluding London median daily rate £408 £400 £400
% change year-on-year
+1.87% -
Number of hourly rates quoted 3 1 0
Median hourly rate £10.00 £40.00 -
Median hourly rate % change year-on-year
-75.00% -
UK excluding London median hourly rate £36.00 £40.00 £27.79
% change year-on-year
-10.00% +43.93%

TDD
Jobs Demand Trend in Belfast

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

TDD Jobs Demand Trend in Belfast

TDD
Daily Rate Trend in Belfast

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

TDD Daily Rate Trend in Belfast

TDD
Top 30 Related IT Skills in Belfast

For the 6 months to 25 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 Belfast region with a requirement for TDD.

1 32 (100.00%) Agile Software Development
2 25 (78.13%) Java
3 23 (71.88%) SQL
3 23 (71.88%) BDD
4 20 (62.50%) OOD
5 17 (53.13%) C#
5 17 (53.13%) Continuous Integration
6 16 (50.00%) Multithreading
7 15 (46.88%) NoSQL
8 14 (43.75%) Degree
8 14 (43.75%) C++
8 14 (43.75%) Python
8 14 (43.75%) Front Office
9 13 (40.63%) Information Security
9 13 (40.63%) Integration Testing
10 11 (34.38%) Mathematics
11 10 (31.25%) Finance
11 10 (31.25%) Linux
12 9 (28.13%) Equity Derivative
13 8 (25.00%) Banking
13 8 (25.00%) AngularJS
13 8 (25.00%) Data Validation
13 8 (25.00%) Validation
14 6 (18.75%) RDBMS
14 6 (18.75%) Apache
14 6 (18.75%) Relational Database
15 5 (15.63%) Cloud Foundry
15 5 (15.63%) Amazon AWS
15 5 (15.63%) jQuery
15 5 (15.63%) Analytical Skills

TDD
Top Related IT Skills in Belfast 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 (18.75%) Apache
2 5 (15.63%) Cloud Foundry
3 2 (6.25%) Confluence
Cloud Services
1 5 (15.63%) Amazon AWS
Database & Business Intelligence
1 15 (46.88%) NoSQL
2 6 (18.75%) RDBMS
2 6 (18.75%) Relational Database
3 4 (12.50%) KDB
3 4 (12.50%) Kdb+
4 1 (3.13%) SQL Server
Development Applications
1 2 (6.25%) Bitbucket
1 2 (6.25%) Git (software)
1 2 (6.25%) JIRA
1 2 (6.25%) TeamCity
General
1 14 (43.75%) Front Office
2 10 (31.25%) Finance
3 8 (25.00%) Banking
Job Titles
1 31 (96.88%) Developer
2 24 (75.00%) Java Developer
3 14 (43.75%) Senior Developer
4 12 (37.50%) Lead Developer
4 12 (37.50%) Senior Java Developer
5 4 (12.50%) KDB Developer
6 3 (9.38%) .NET Developer
7 2 (6.25%) C# .NET Developer
7 2 (6.25%) C# Developer
7 2 (6.25%) Senior .NET Developer
7 2 (6.25%) Senior C# .NET Developer
7 2 (6.25%) Senior C# Developer
8 1 (3.13%) JavaScript Developer
8 1 (3.13%) Lead Java Developer
8 1 (3.13%) Senior JavaScript Developer
8 1 (3.13%) SQL Developer
Libraries, Frameworks & Software Standards
1 8 (25.00%) AngularJS
2 5 (15.63%) jQuery
3 4 (12.50%) Angular 2
3 4 (12.50%) Node.js
3 4 (12.50%) Spring
3 4 (12.50%) Spring Boot
4 3 (9.38%) .NET
4 3 (9.38%) ASP.NET
4 3 (9.38%) ASP.NET MVC
5 2 (6.25%) WPF
6 1 (3.13%) ASP.NET Web API
6 1 (3.13%) SOAP
6 1 (3.13%) WCF
Miscellaneous
1 9 (28.13%) Equity Derivative
2 5 (15.63%) Analytical Skills
3 4 (12.50%) N-Tier
4 2 (6.25%) Derivative
4 2 (6.25%) Equities
Operating Systems
1 10 (31.25%) Linux
2 4 (12.50%) Solaris
2 4 (12.50%) Unix
Processes & Methodologies
1 32 (100.00%) Agile Software Development
2 23 (71.88%) BDD
3 20 (62.50%) OOD
4 17 (53.13%) Continuous Integration
5 16 (50.00%) Multithreading
6 13 (40.63%) Information Security
6 13 (40.63%) Integration Testing
7 11 (34.38%) Mathematics
8 8 (25.00%) Data Validation
8 8 (25.00%) Validation
9 4 (12.50%) Defect Management
9 4 (12.50%) Mentoring
9 4 (12.50%) Migration
9 4 (12.50%) Pair Programming
10 3 (9.38%) MVC
11 2 (6.25%) Multithreaded Programming
12 1 (3.13%) UML
Programming Languages
1 25 (78.13%) Java
2 23 (71.88%) SQL
3 17 (53.13%) C#
4 14 (43.75%) C++
4 14 (43.75%) Python
5 4 (12.50%) Perl
6 2 (6.25%) JavaScript
Qualifications
1 14 (43.75%) Degree
System Software
1 1 (3.13%) Docker