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 16 January 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
16 Jan 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
County Antrim / Belfast
Rank 22 - -
Rank change year-on-year
- 0
Contract jobs citing TDD 16 0 0
As % of all contract IT jobs located in Belfast 7.51% - -
As % of the Processes & Methodologies category 9.58% - -
Number of daily rates quoted 15 0 0
Median daily rate £400 - -
UK excluding London median daily rate £425 £400 £375
% change year-on-year
+6.25% +6.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £36.00 £38.00 £39.00
% change year-on-year
-5.26% -2.56%

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
167 54 68
As % of all contract IT jobs located in Belfast 78.40% 72.00% 77.27%
Number of daily rates quoted 126 22 34
Median daily rate £370 £400 £250
Median daily rate % change year-on-year
-7.50% +60.00%
90% offered a daily rate of more than £250 £263 £88
10% offered a daily rate of more than £450 £450 £350
UK excluding London median daily rate £410 £400 £390
% change year-on-year
+2.50% +2.56%
Number of hourly rates quoted 6 0 2
Median hourly rate £11.00 - £17.50
UK excluding London median hourly rate £35.00 £39.00 £26.00
% change year-on-year
-10.25% +50.00%

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 16 January 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 27 (100.00%) Agile Software Development
2 22 (81.48%) SQL
2 22 (81.48%) BDD
3 20 (74.07%) Java
4 19 (70.37%) OOD
5 17 (62.96%) C#
6 16 (59.26%) Multithreading
6 16 (59.26%) Continuous Integration
7 15 (55.56%) NoSQL
8 14 (51.85%) C++
8 14 (51.85%) Python
9 13 (48.15%) Front Office
9 13 (48.15%) Degree
10 12 (44.44%) Integration Testing
10 12 (44.44%) Information Security
11 10 (37.04%) Linux
11 10 (37.04%) Mathematics
12 9 (33.33%) Equity Derivative
12 9 (33.33%) Finance
13 8 (29.63%) Banking
14 7 (25.93%) Data Validation
14 7 (25.93%) Validation
15 6 (22.22%) RDBMS
15 6 (22.22%) Apache
15 6 (22.22%) Relational Database
16 5 (18.52%) jQuery
16 5 (18.52%) Analytical Skills
17 4 (14.81%) Defect Management
17 4 (14.81%) Kdb+
17 4 (14.81%) KDB

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 (22.22%) Apache
2 2 (7.41%) Confluence
3 1 (3.70%) Cloud Foundry
Cloud Services
1 1 (3.70%) Amazon AWS
Database & Business Intelligence
1 15 (55.56%) NoSQL
2 6 (22.22%) RDBMS
2 6 (22.22%) Relational Database
3 4 (14.81%) KDB
3 4 (14.81%) Kdb+
4 1 (3.70%) SQL Server
Development Applications
1 2 (7.41%) Bitbucket
1 2 (7.41%) Git (software)
1 2 (7.41%) JIRA
1 2 (7.41%) TeamCity
General
1 13 (48.15%) Front Office
2 9 (33.33%) Finance
3 8 (29.63%) Banking
Job Titles
1 26 (96.30%) Developer
2 19 (70.37%) Java Developer
3 12 (44.44%) Lead Developer
4 10 (37.04%) Senior Developer
5 8 (29.63%) Senior Java Developer
6 4 (14.81%) KDB Developer
7 3 (11.11%) .NET Developer
8 2 (7.41%) C# .NET Developer
8 2 (7.41%) C# Developer
8 2 (7.41%) Senior .NET Developer
8 2 (7.41%) Senior C# .NET Developer
8 2 (7.41%) Senior C# Developer
9 1 (3.70%) Lead Java Developer
9 1 (3.70%) SQL Developer
Libraries, Frameworks & Software Standards
1 5 (18.52%) jQuery
2 4 (14.81%) AngularJS
2 4 (14.81%) Node.js
3 3 (11.11%) .NET
3 3 (11.11%) ASP.NET
3 3 (11.11%) ASP.NET MVC
4 2 (7.41%) WPF
5 1 (3.70%) ASP.NET Web API
5 1 (3.70%) SOAP
5 1 (3.70%) WCF
Miscellaneous
1 10 (37.04%) Mathematics
2 9 (33.33%) Equity Derivative
3 5 (18.52%) Analytical Skills
4 4 (14.81%) N-Tier
5 2 (7.41%) Derivative
5 2 (7.41%) Equities
Operating Systems
1 10 (37.04%) Linux
2 4 (14.81%) Solaris
2 4 (14.81%) Unix
Processes & Methodologies
1 27 (100.00%) Agile Software Development
2 22 (81.48%) BDD
3 19 (70.37%) OOD
4 16 (59.26%) Continuous Integration
4 16 (59.26%) Multithreading
5 12 (44.44%) Information Security
5 12 (44.44%) Integration Testing
6 7 (25.93%) Data Validation
6 7 (25.93%) Validation
7 4 (14.81%) Defect Management
7 4 (14.81%) Mentoring
7 4 (14.81%) Migration
8 3 (11.11%) MVC
9 2 (7.41%) Multithreaded Programming
10 1 (3.70%) UML
Programming Languages
1 22 (81.48%) SQL
2 20 (74.07%) Java
3 17 (62.96%) C#
4 14 (51.85%) C++
4 14 (51.85%) Python
5 4 (14.81%) Perl
6 1 (3.70%) JavaScript
Qualifications
1 13 (48.15%) Degree
System Software
1 1 (3.70%) Docker