The table below looks at the statistics for TDD skills in IT contracts advertised for the Guildford region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 27 July 2016 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
27 Jul 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 14 19 -
Rank change year-on-year
+5 -
Contract jobs citing TDD 3 5 0
As % of all contract IT jobs located in Guildford 3.23% 3.76% -
As % of the Processes & Methodologies category 4.00% 5.68% -
Number of daily rates quoted 3 4 0
Median daily rate £550 £388 -
Median daily rate % change year-on-year
+41.93% -
UK excluding London median daily rate £425 £375 £375
% change year-on-year
+13.33% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £40.00 £59.50
% change year-on-year
- -32.77%
TDD
Surrey

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

Processes & Methodologies Category
Guildford
Contract IT job ads with a match in the
Processes & Methodologies category
75 88 99
As % of all contract IT jobs located in Guildford 80.65% 66.17% 76.15%
Number of daily rates quoted 49 57 53
Median daily rate £380 £425 £380
Median daily rate % change year-on-year
-10.58% +11.84%
90% offered a daily rate of more than £153 £300 £285
10% offered a daily rate of more than £450 £520 £501
UK excluding London median daily rate £400 £388 £375
% change year-on-year
+3.22% +3.33%
Number of hourly rates quoted 6 2 1
Median hourly rate £40.00 £12.45 £15.00
Median hourly rate % change year-on-year
+221.41% -17.03%
UK excluding London median hourly rate £30.00 £30.00 £26.98
% change year-on-year
- +11.21%

TDD
Jobs Demand Trend in Guildford

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

TDD Jobs Demand Trend in Guildford

TDD
Daily Rate Trend in Guildford

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

TDD Daily Rate Trend in Guildford

TDD
Top 30 Related IT Skills in Guildford

For the 6 months to 27 July 2016, 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 Guildford region with a requirement for TDD.

1 8 (100.00%) Agile Software Development
2 7 (87.50%) Java
3 4 (50.00%) JavaScript
3 4 (50.00%) HTML
3 4 (50.00%) Continuous Integration
3 4 (50.00%) HTML5
3 4 (50.00%) Big Data
4 3 (37.50%) Hortonworks
4 3 (37.50%) CSS3
4 3 (37.50%) HBase
4 3 (37.50%) Apache Hive
4 3 (37.50%) Scala
4 3 (37.50%) Hadoop
4 3 (37.50%) Apache Spark
4 3 (37.50%) Spark Streaming
4 3 (37.50%) Finance
4 3 (37.50%) Java SE
4 3 (37.50%) Linux
4 3 (37.50%) J2EE
4 3 (37.50%) CSS
4 3 (37.50%) Unix
4 3 (37.50%) Windows
5 2 (25.00%) AIX
5 2 (25.00%) TCP/IP
5 2 (25.00%) Business Development
5 2 (25.00%) Analytical Skills
5 2 (25.00%) Actionable Insight
5 2 (25.00%) BDD
6 1 (12.50%) Kanban
6 1 (12.50%) Security Cleared

TDD
Top Related IT Skills in Guildford 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 3 (37.50%) Apache Spark
Communications & Networking
1 2 (25.00%) TCP/IP
Database & Business Intelligence
1 4 (50.00%) Big Data
2 3 (37.50%) Apache Hive
2 3 (37.50%) Hadoop
2 3 (37.50%) HBase
3 1 (12.50%) Amazon DynamoDB
3 1 (12.50%) Apache Cassandra
3 1 (12.50%) MongoDB
3 1 (12.50%) NoSQL
Development Applications
1 1 (12.50%) SpecFlow
General
1 3 (37.50%) Finance
2 1 (12.50%) Law
2 1 (12.50%) Telecoms
Job Titles
1 8 (100.00%) Developer
2 4 (50.00%) Java Developer
3 3 (37.50%) Apache Spark Developer
3 3 (37.50%) Big Data Developer
4 1 (12.50%) .NET Developer
4 1 (12.50%) Agile Developer
4 1 (12.50%) Agile Java Developer
4 1 (12.50%) ASP.NET Developer
4 1 (12.50%) ASP.NET MVC Developer
4 1 (12.50%) Lead Developer
4 1 (12.50%) SQL Developer
Libraries, Frameworks & Software Standards
1 4 (50.00%) HTML
1 4 (50.00%) HTML5
2 3 (37.50%) CSS
2 3 (37.50%) CSS3
2 3 (37.50%) J2EE
2 3 (37.50%) Java SE
2 3 (37.50%) Spark Streaming
3 1 (12.50%) .NET
3 1 (12.50%) ASP.NET
3 1 (12.50%) ASP.NET MVC
3 1 (12.50%) ASP.NET Web API
3 1 (12.50%) Hibernate
3 1 (12.50%) jQuery
3 1 (12.50%) Spring
Miscellaneous
1 2 (25.00%) Analytical Skills
Operating Systems
1 3 (37.50%) Linux
1 3 (37.50%) Unix
1 3 (37.50%) Windows
2 2 (25.00%) AIX
Processes & Methodologies
1 8 (100.00%) Agile Software Development
2 4 (50.00%) Continuous Integration
3 2 (25.00%) Actionable Insight
3 2 (25.00%) BDD
3 2 (25.00%) Business Development
4 1 (12.50%) DevOps
4 1 (12.50%) Kanban
4 1 (12.50%) MVC
4 1 (12.50%) Scrum
4 1 (12.50%) Threat Detection
Programming Languages
1 7 (87.50%) Java
2 4 (50.00%) JavaScript
3 3 (37.50%) Scala
4 1 (12.50%) C
4 1 (12.50%) C#
4 1 (12.50%) SQL
Qualifications
1 1 (12.50%) Security Cleared
Quality Assurance & Compliance
1 1 (12.50%) SLA
Vendors
1 3 (37.50%) Hortonworks