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 19 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
19 Jan 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
UK / Northern Ireland
Rank 20 - -
Rank change year-on-year
- 0
Contract jobs citing TDD 19 0 0
As % of all contract IT jobs located in Northern Ireland 8.30% - -
As % of the Processes & Methodologies category 10.73% - -
Number of daily rates quoted 18 0 0
Median daily rate £400 - -
UK excluding London median daily rate £425 £398 £375
% change year-on-year
+6.91% +6.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £36.51 £38.00 £38.25
% change year-on-year
-3.92% -0.65%

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
177 67 74
As % of all contract IT jobs located in Northern Ireland 77.29% 74.44% 73.27%
Number of daily rates quoted 131 29 41
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 £405 £400 £390
% change year-on-year
+1.25% +2.56%
Number of hourly rates quoted 8 0 2
Median hourly rate £13.00 - £17.50
UK excluding London median hourly rate £35.00 £40.00 £26.00
% change year-on-year
-12.50% +53.84%

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 19 January 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 19 January 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 - 16 £400 -
TDD
UK

TDD
Top 30 Related IT Skills in Northern Ireland

For the 6 months to 19 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 Northern Ireland region with a requirement for TDD.

1 31 (100.00%) Agile Software Development
2 24 (77.42%) SQL
2 24 (77.42%) BDD
3 23 (74.19%) Java
4 21 (67.74%) OOD
5 18 (58.06%) C#
6 17 (54.84%) Continuous Integration
6 17 (54.84%) Multithreading
7 16 (51.61%) NoSQL
8 15 (48.39%) C++
8 15 (48.39%) Python
9 13 (41.94%) Front Office
9 13 (41.94%) Degree
10 12 (38.71%) Integration Testing
10 12 (38.71%) Information Security
11 11 (35.48%) Finance
11 11 (35.48%) Linux
11 11 (35.48%) Banking
12 10 (32.26%) Equity Derivative
12 10 (32.26%) Mathematics
13 7 (22.58%) Data Validation
13 7 (22.58%) RDBMS
13 7 (22.58%) Validation
13 7 (22.58%) Relational Database
14 6 (19.35%) Apache
15 5 (16.13%) jQuery
15 5 (16.13%) Analytical Skills
16 4 (12.90%) Defect Management
16 4 (12.90%) AngularJS
16 4 (12.90%) Mentoring

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 (19.35%) Apache
2 2 (6.45%) Confluence
3 1 (3.23%) Cloud Foundry
Cloud Services
1 1 (3.23%) Amazon AWS
Database & Business Intelligence
1 16 (51.61%) NoSQL
2 7 (22.58%) RDBMS
2 7 (22.58%) Relational Database
3 4 (12.90%) KDB
3 4 (12.90%) Kdb+
4 1 (3.23%) SQL Server
Development Applications
1 2 (6.45%) Bitbucket
1 2 (6.45%) Git (software)
1 2 (6.45%) JIRA
1 2 (6.45%) TeamCity
General
1 13 (41.94%) Front Office
2 11 (35.48%) Banking
2 11 (35.48%) Finance
Job Titles
1 29 (93.55%) Developer
2 22 (70.97%) Java Developer
3 13 (41.94%) Lead Developer
4 11 (35.48%) Senior Developer
5 9 (29.03%) Senior Java Developer
6 4 (12.90%) KDB Developer
7 3 (9.68%) .NET Developer
8 2 (6.45%) C# .NET Developer
8 2 (6.45%) C# Developer
8 2 (6.45%) Lead Java Developer
8 2 (6.45%) Senior .NET Developer
8 2 (6.45%) Senior C# .NET Developer
8 2 (6.45%) Senior C# Developer
8 2 (6.45%) SQL Developer
9 1 (3.23%) Scrum Master
9 1 (3.23%) Senior SQL Developer
9 1 (3.23%) Technical Developer
9 1 (3.23%) Technical Leader
Libraries, Frameworks & Software Standards
1 5 (16.13%) jQuery
2 4 (12.90%) AngularJS
2 4 (12.90%) Node.js
3 3 (9.68%) .NET
3 3 (9.68%) ASP.NET
3 3 (9.68%) ASP.NET MVC
4 2 (6.45%) SOAP
4 2 (6.45%) WPF
5 1 (3.23%) ASP.NET Web API
5 1 (3.23%) J2EE
5 1 (3.23%) RESTful
5 1 (3.23%) Spring
5 1 (3.23%) WCF
5 1 (3.23%) Web Services
Miscellaneous
1 10 (32.26%) Equity Derivative
1 10 (32.26%) Mathematics
2 5 (16.13%) Analytical Skills
3 4 (12.90%) N-Tier
4 3 (9.68%) Equities
5 2 (6.45%) Derivative
6 1 (3.23%) Social Media
6 1 (3.23%) User Experience
Operating Systems
1 11 (35.48%) Linux
2 4 (12.90%) Solaris
2 4 (12.90%) Unix
Processes & Methodologies
1 31 (100.00%) Agile Software Development
2 24 (77.42%) BDD
3 21 (67.74%) OOD
4 17 (54.84%) Continuous Integration
4 17 (54.84%) Multithreading
5 12 (38.71%) Information Security
5 12 (38.71%) Integration Testing
6 7 (22.58%) Data Validation
6 7 (22.58%) Validation
7 4 (12.90%) Defect Management
7 4 (12.90%) Mentoring
7 4 (12.90%) Migration
8 3 (9.68%) MVC
9 2 (6.45%) Multithreaded Programming
9 2 (6.45%) Scrum
10 1 (3.23%) API Integration
10 1 (3.23%) Kanban
10 1 (3.23%) Programme Management
10 1 (3.23%) SOA
10 1 (3.23%) UML
Programming Languages
1 24 (77.42%) SQL
2 23 (74.19%) Java
3 18 (58.06%) C#
4 15 (48.39%) C++
4 15 (48.39%) Python
5 4 (12.90%) Perl
6 1 (3.23%) JavaScript
Qualifications
1 13 (41.94%) Degree
System Software
1 1 (3.23%) Docker