Period
to 22 November 2017

The following table provides summary statistics for contract job vacancies advertised in Gloucestershire with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 22 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
South West > Gloucestershire
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 51 62 47
Rank change year-on-year +11 -15 +17
Contract jobs citing TDD 13 21 37
As % of all contract IT jobs advertised in Gloucestershire 1.95% 2.26% 3.75%
As % of the Processes & Methodologies category 2.41% 2.85% 4.86%
Number of daily rates quoted 9 16 24
Gloucestershire median daily rate £350 £431 £425
Median daily rate % change year-on-year -18.84% +1.47% +13.33%
10th Percentile £330 £350 £353
90th Percentile £458 £575 £469
South West median daily rate £400 £375 £375
% change year-on-year +6.67% - +7.14%
Number of hourly rates quoted 0 0 0
Gloucestershire median hourly rate - - -
South West median hourly rate - £37.50 £29.00
% change year-on-year - +29.31% -25.64%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Gloucestershire with a requirement for process or methodology skills.

All Process and Methodology Skills
Gloucestershire
Contract vacancies with a requirement for process or methodology skills 540 737 762
As % of all contract IT jobs advertised in Gloucestershire 81.08% 79.33% 77.28%
Number of daily rates quoted 247 431 461
Gloucestershire median daily rate £400 £390 £400
Median daily rate % change year-on-year +2.56% -2.50% +6.67%
10th Percentile £229 £219 £213
90th Percentile £553 £550 £503
South West median daily rate £400 £375 £375
% change year-on-year +6.67% - -
Number of hourly rates quoted 47 68 41
Gloucestershire median hourly rate £31.00 £38.00 £41.50
Median hourly rate % change year-on-year -18.42% -8.43% +12.16%
10th Percentile £10.50 £13.40 £26.25
90th Percentile £56.23 £46.45 £54.90
South West median hourly rate £35.00 £31.50 £39.00
% change year-on-year +11.11% -19.23% +47.17%

TDD
Job Vacancy Trend in Gloucestershire

Job postings citing TDD as a percentage of all IT jobs advertised in Gloucestershire.

Job vacancy trend for TDD in Gloucestershire

TDD
Contractor Daily Rate Trend in Gloucestershire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Gloucestershire.

Contractor daily rate trend for TDD in Gloucestershire

TDD
Contractor Daily Rate Histogram in Gloucestershire

The daily rate distribution of IT jobs citing TDD in Gloucestershire over the 6 months to 22 November 2017.

Contractor daily rate histogram for TDD in Gloucestershire

TDD
Contract Job Locations in Gloucestershire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Gloucestershire region over the 6 months to 22 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Gloucester 0 8 £350 -22.22% 2
Cheltenham +2 1 £300 -32.39% 10
Cirencester - 1 - -
TDD
South West

For the 6 months to 22 November 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 Gloucestershire region with a requirement for TDD.

1 11 (84.62%) JavaScript
2 10 (76.92%) Java
3 9 (69.23%) C#
3 9 (69.23%) .NET
3 9 (69.23%) Continuous Integration
4 8 (61.54%) Agile Software Development
5 7 (53.85%) Visual Studio
5 7 (53.85%) SQL
5 7 (53.85%) Test Automation
5 7 (53.85%) Unit Testing
5 7 (53.85%) AngularJS
6 6 (46.15%) Jenkins
6 6 (46.15%) Microsoft Azure
6 6 (46.15%) HTML
6 6 (46.15%) SQL Server
6 6 (46.15%) CSS
6 6 (46.15%) MVC
6 6 (46.15%) ASP.NET Web API
7 5 (38.46%) Google Cloud Platform
7 5 (38.46%) React
7 5 (38.46%) SQL Server 2012
7 5 (38.46%) Google
7 5 (38.46%) ASP.NET
7 5 (38.46%) Amazon AWS
8 4 (30.77%) jQuery
8 4 (30.77%) NoSQL
8 4 (30.77%) Linux
8 4 (30.77%) Scrum
9 3 (23.08%) Python
9 3 (23.08%) Eclipse

TDD
Co-occurring IT Skills in Gloucestershire 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 1 (7.69%) Apache
1 1 (7.69%) Drupal
1 1 (7.69%) IIS
1 1 (7.69%) Tomcat
1 1 (7.69%) WordPress
Cloud Services
1 6 (46.15%) Microsoft Azure
2 5 (38.46%) Amazon AWS
2 5 (38.46%) Google Cloud Platform
Communications & Networking
1 2 (15.38%) HTTP
Database & Business Intelligence
1 6 (46.15%) SQL Server
2 5 (38.46%) SQL Server 2012
3 4 (30.77%) NoSQL
4 3 (23.08%) Relational Database
5 1 (7.69%) Big Data
5 1 (7.69%) Hadoop
5 1 (7.69%) MongoDB
Development Applications
1 7 (53.85%) Visual Studio
2 6 (46.15%) Jenkins
3 3 (23.08%) Ant
3 3 (23.08%) Eclipse
4 2 (15.38%) Atlassian Bamboo
4 2 (15.38%) Cucumber
4 2 (15.38%) HP UFT
4 2 (15.38%) JIRA
4 2 (15.38%) JUnit
4 2 (15.38%) Maven
4 2 (15.38%) Selenium
4 2 (15.38%) SoapUI
5 1 (7.69%) Gradle
5 1 (7.69%) Hudson
General
1 2 (15.38%) Finance
Job Titles
1 8 (61.54%) Developer
2 6 (46.15%) .NET Developer
3 2 (15.38%) Java Engineer
3 2 (15.38%) Java Software Engineer
3 2 (15.38%) Software Engineer
4 1 (7.69%) Agile Developer
4 1 (7.69%) Analyst
4 1 (7.69%) Angular Developer
4 1 (7.69%) HTML CSS Developer
4 1 (7.69%) HTML Developer
4 1 (7.69%) Java Developer
4 1 (7.69%) JavaScript Developer
4 1 (7.69%) Lead DevOps
4 1 (7.69%) PHP Developer
4 1 (7.69%) PHP Web Developer
4 1 (7.69%) PHP WordPress Developer
4 1 (7.69%) Test Analyst
4 1 (7.69%) Test Automation Architect
4 1 (7.69%) Web Developer
4 1 (7.69%) WordPress Developer
Libraries, Frameworks & Software Standards
1 9 (69.23%) .NET
2 7 (53.85%) AngularJS
3 6 (46.15%) ASP.NET Web API
3 6 (46.15%) CSS
3 6 (46.15%) HTML
4 5 (38.46%) ASP.NET
4 5 (38.46%) React
5 4 (30.77%) jQuery
6 3 (23.08%) Angular 2
6 3 (23.08%) Backbone.js
6 3 (23.08%) Web Services
6 3 (23.08%) XML
7 2 (15.38%) CSS3
7 2 (15.38%) HTML5
7 2 (15.38%) Play Framework
7 2 (15.38%) REST
7 2 (15.38%) SOAP
7 2 (15.38%) Spring
7 2 (15.38%) Spring Boot
7 2 (15.38%) Spring Cloud
Miscellaneous
1 2 (15.38%) User Experience
2 1 (7.69%) Computer Science
2 1 (7.69%) Enterprise Software
Operating Systems
1 4 (30.77%) Linux
2 2 (15.38%) Windows
3 1 (7.69%) Red Hat Enterprise Linux
3 1 (7.69%) Unix
3 1 (7.69%) Windows Server
Processes & Methodologies
1 9 (69.23%) Continuous Integration
2 8 (61.54%) Agile Software Development
3 7 (53.85%) Test Automation
3 7 (53.85%) Unit Testing
4 6 (46.15%) MVC
5 4 (30.77%) Scrum
6 3 (23.08%) BDD
6 3 (23.08%) Coaching
6 3 (23.08%) Mentoring
6 3 (23.08%) Web Development
7 2 (15.38%) Microservices
7 2 (15.38%) Requirements Analysis
7 2 (15.38%) Software Engineering
8 1 (7.69%) ITIL
8 1 (7.69%) Kanban
8 1 (7.69%) Problem Management
8 1 (7.69%) Release Management
8 1 (7.69%) Software Testing
8 1 (7.69%) Stakeholder Management
8 1 (7.69%) Test Scripting
Programming Languages
1 11 (84.62%) JavaScript
2 10 (76.92%) Java
3 9 (69.23%) C#
4 7 (53.85%) SQL
5 3 (23.08%) Python
6 2 (15.38%) C
6 2 (15.38%) C++
6 2 (15.38%) Groovy
6 2 (15.38%) Ruby
6 2 (15.38%) Scala
6 2 (15.38%) VBScript
7 1 (7.69%) Jython
7 1 (7.69%) Perl
7 1 (7.69%) PHP
7 1 (7.69%) VB.NET
Qualifications
1 2 (15.38%) Security Cleared
2 1 (7.69%) Degree
2 1 (7.69%) DV Cleared
2 1 (7.69%) SC Cleared
Quality Assurance & Compliance
1 1 (7.69%) SLA
System Software
1 1 (7.69%) Docker
Systems Management
1 2 (15.38%) CA Service Virtualization
2 1 (7.69%) Opscode Chef
2 1 (7.69%) Puppet
Vendors
1 5 (38.46%) Google
2 2 (15.38%) CA
2 2 (15.38%) HP
3 1 (7.69%) Dell
3 1 (7.69%) EMC
3 1 (7.69%) Ericsson
3 1 (7.69%) Microsoft
3 1 (7.69%) Oracle
3 1 (7.69%) Red Hat