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 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)
Surrey / Guildford
Rank 20 18 26
Rank change year-on-year
-2 +8
Contract jobs citing TDD 3 1 3
As % of all contract IT jobs located in Guildford 2.33% 1.00% 1.49%
As % of the Processes & Methodologies category 3.16% 1.37% 1.83%
Number of daily rates quoted 3 1 3
Median daily rate £475 £375 £425
Median daily rate % change year-on-year
+26.66% -11.76%
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 Guildford region.

Processes & Methodologies Category
Guildford
Contract IT job ads with a match in the
Processes & Methodologies category
95 73 164
As % of all contract IT jobs located in Guildford 73.64% 73.00% 81.59%
Number of daily rates quoted 57 37 107
Median daily rate £450 £375 £350
Median daily rate % change year-on-year
+20.00% +7.14%
90% offered a daily rate of more than £225 £300 £245
10% offered a daily rate of more than £650 £550 £465
UK excluding London median daily rate £405 £400 £390
% change year-on-year
+1.25% +2.56%
Number of hourly rates quoted 4 4 2
Median hourly rate £13.50 £40.00 £33.50
Median hourly rate % change year-on-year
-66.25% +19.40%
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 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 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 Guildford region with a requirement for TDD.

1 5 (100.00%) Java
1 5 (100.00%) Spring
1 5 (100.00%) Agile Software Development
2 4 (80.00%) Scrum
3 3 (60.00%) Microservices
4 2 (40.00%) JAX-RS
4 2 (40.00%) logstash
4 2 (40.00%) Subversion
4 2 (40.00%) CQRS
4 2 (40.00%) Big Data
4 2 (40.00%) OAuth2
4 2 (40.00%) Low Latency
4 2 (40.00%) Apache Camel
4 2 (40.00%) SOLID
4 2 (40.00%) Hibernate
4 2 (40.00%) The Twelve-Factor App
4 2 (40.00%) SQL
4 2 (40.00%) MySQL
4 2 (40.00%) Oracle
4 2 (40.00%) SOAP
4 2 (40.00%) XML
4 2 (40.00%) XSD
4 2 (40.00%) Linux
4 2 (40.00%) JBoss
4 2 (40.00%) Apache
4 2 (40.00%) Eclipse
4 2 (40.00%) Red Hat
4 2 (40.00%) SAML
4 2 (40.00%) Maven
4 2 (40.00%) Checkstyle

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 2 (40.00%) Apache
1 2 (40.00%) JBoss
2 1 (20.00%) Apache Spark
Database & Business Intelligence
1 2 (40.00%) Big Data
1 2 (40.00%) Hadoop
1 2 (40.00%) MySQL
2 1 (20.00%) Apache Hive
2 1 (20.00%) HBase
Development Applications
1 2 (40.00%) Checkstyle
1 2 (40.00%) Cobertura
1 2 (40.00%) Eclipse
1 2 (40.00%) Maven
1 2 (40.00%) Subversion
2 1 (20.00%) Atlassian Bamboo
2 1 (20.00%) JUnit
2 1 (20.00%) Mockito
General
1 1 (20.00%) Finance
Job Titles
1 4 (80.00%) Developer
2 3 (60.00%) Java Developer
3 1 (20.00%) Agile Developer
3 1 (20.00%) Agile Java Developer
3 1 (20.00%) Apache Spark Developer
3 1 (20.00%) Big Data Developer
3 1 (20.00%) Java Engineer
Libraries, Frameworks & Software Standards
1 5 (100.00%) Spring
2 2 (40.00%) Apache Camel
2 2 (40.00%) Apache CXF
2 2 (40.00%) Hibernate
2 2 (40.00%) JAX-RS
2 2 (40.00%) JSON
2 2 (40.00%) OAuth2
2 2 (40.00%) REST
2 2 (40.00%) SAML
2 2 (40.00%) SOAP
2 2 (40.00%) XML
2 2 (40.00%) XSD
3 1 (20.00%) Spark Streaming
3 1 (20.00%) Spring MVC
Operating Systems
1 2 (40.00%) Linux
1 2 (40.00%) Red Hat Enterprise Linux
Processes & Methodologies
1 5 (100.00%) Agile Software Development
2 4 (80.00%) Scrum
3 3 (60.00%) Microservices
4 2 (40.00%) Continuous Integration
4 2 (40.00%) CQRS
4 2 (40.00%) Domain-Driven Design
4 2 (40.00%) Kanban
4 2 (40.00%) Low Latency
4 2 (40.00%) Multithreading
4 2 (40.00%) OWASP
4 2 (40.00%) SOLID
4 2 (40.00%) The Twelve-Factor App
5 1 (20.00%) API Development
5 1 (20.00%) BDD
5 1 (20.00%) Concurrent Programming
5 1 (20.00%) DevOps
5 1 (20.00%) MVC
5 1 (20.00%) Unit Testing
Programming Languages
1 5 (100.00%) Java
2 2 (40.00%) Scala
2 2 (40.00%) SQL
System Software
1 1 (20.00%) Docker
Systems Management
1 2 (40.00%) logstash
2 1 (20.00%) Ansible
Vendors
1 2 (40.00%) Oracle
1 2 (40.00%) Red Hat
1 2 (40.00%) Splunk
2 1 (20.00%) Hortonworks