Period
to 19 October 2018

The following table provides summary statistics for contract job vacancies advertised in the South West 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 19 October 2018 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)
England > South West
6 months to
19 Oct 2018
Same period 2017 Same period 2016
Rank 47 62 48
Rank change year-on-year +15 -14 +2
Contract jobs citing TDD 259 177 239
As % of all contract IT jobs advertised in the South West 4.26% 3.21% 4.10%
As % of the Processes & Methodologies category 4.99% 3.86% 5.01%
Number of daily rates quoted 186 122 204
South West median daily rate £425 £400 £375
Median daily rate % change year-on-year +6.25% +6.67% -6.25%
10th Percentile £325 £310 £298
90th Percentile £575 £521 £525
England median daily rate £500 £488 £450
% change year-on-year +2.56% +8.33% +5.88%
Number of hourly rates quoted 2 0 2
South West median hourly rate £68.75 - £37.50
10th Percentile £66.63 - £32.25
90th Percentile £69.88 - £42.75
England median hourly rate £41.50 £45.00 £41.25
% change year-on-year -7.78% +9.09% +3.13%

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 the South West with a requirement for process or methodology skills.

All Process and Methodology Skills
South West
Contract vacancies with a requirement for process or methodology skills 5,195 4,585 4,766
As % of all contract IT jobs advertised in the South West 85.46% 83.15% 81.85%
Number of daily rates quoted 3,206 2,895 3,155
South West median daily rate £425 £400 £375
Median daily rate % change year-on-year +6.25% +6.67% -
10th Percentile £275 £255 £239
90th Percentile £575 £538 £550
England median daily rate £473 £450 £425
% change year-on-year +5.00% +5.88% +3.03%
Number of hourly rates quoted 232 191 266
South West median hourly rate £41.52 £35.00 £35.00
Median hourly rate % change year-on-year +18.61% - -6.04%
10th Percentile £13.00 £12.79 £12.44
90th Percentile £49.88 £48.75 £47.50
England median hourly rate £21.00 £24.66 £22.50
% change year-on-year -14.84% +9.60% +3.73%

TDD
Job Vacancy Trend in the South West

Job postings citing TDD as a percentage of all IT jobs advertised in the South West.

Job vacancy trend for TDD in the South West

TDD
Contractor Daily Rate Trend in the South West

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

Contractor daily rate trend for TDD in the South West

TDD
Contractor Daily Rate Histogram in the South West

The daily rate distribution of IT jobs citing TDD in the South West over the 6 months to 19 October 2018.

Contractor daily rate histogram for TDD in the South West

TDD
Contractor Hourly Rate Trend in the South West

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in the South West.

Contractor hourly rate trend for TDD in the South West

TDD
Contract Job Locations in the South West

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the South West region over the 6 months to 19 October 2018. 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
Bristol +16 124 £425 +6.25% 59
Devon +24 45 £350 -17.65% 17
Wiltshire +5 44 £475 +25.83% 7
Somerset -12 19 £413 -2.65% 16
Gloucestershire -1 15 £356 +1.79% 12
Dorset -12 1 - - 25
TDD
England

For the 6 months to 19 October 2018, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the South West region with a requirement for TDD.

1 208 (80.31%) Agile Software Development
2 120 (46.33%) Java
3 114 (44.02%) BDD
4 99 (38.22%) Continuous Integration
5 91 (35.14%) JavaScript
6 78 (30.12%) Microsoft Azure
7 70 (27.03%) Amazon AWS
8 66 (25.48%) HTML
9 64 (24.71%) .NET
10 62 (23.94%) Test Automation
11 60 (23.17%) Scrum
12 58 (22.39%) OO
12 58 (22.39%) Git (software)
13 53 (20.46%) CSS
13 53 (20.46%) Oracle
14 50 (19.31%) Migration
14 50 (19.31%) NUnit
14 50 (19.31%) Ansible
15 48 (18.53%) C#
16 47 (18.15%) PostgreSQL
16 47 (18.15%) Puppet
17 46 (17.76%) Opscode Chef
17 46 (17.76%) MySQL
17 46 (17.76%) Tomcat
18 44 (16.99%) WebSphere
18 44 (16.99%) HTML5
19 43 (16.60%) NoSQL
20 42 (16.22%) OpenStack
20 42 (16.22%) MSTest
20 42 (16.22%) WebLogic

TDD
Co-occurring IT Skills in the South West 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 46 (17.76%) Tomcat
2 44 (16.99%) WebSphere
3 42 (16.22%) OpenStack
3 42 (16.22%) WebLogic
4 8 (3.09%) Apache Spark
4 8 (3.09%) Confluence
5 6 (2.32%) Mule
6 5 (1.93%) Elasticsearch
7 4 (1.54%) JBoss
8 3 (1.16%) Adobe Experience Manager
8 3 (1.16%) EPiServer
9 2 (0.77%) Apache Pig
9 2 (0.77%) Apache Solr
9 2 (0.77%) CMS
9 2 (0.77%) Drupal
10 1 (0.39%) Apache
10 1 (0.39%) NServiceBus
10 1 (0.39%) WordPress
Applications
1 4 (1.54%) Fireworks
1 4 (1.54%) Photoshop
Cloud Services
1 78 (30.12%) Microsoft Azure
2 70 (27.03%) Amazon AWS
3 22 (8.49%) Google Cloud Platform
4 13 (5.02%) Apigee
5 11 (4.25%) SaaS
6 7 (2.70%) npm
7 6 (2.32%) GitHub
8 4 (1.54%) Sauce Labs
9 3 (1.16%) NuGet
9 3 (1.16%) OpenShift
10 2 (0.77%) Amazon EC2
11 1 (0.39%) Amazon CloudWatch
11 1 (0.39%) Amazon SQS
11 1 (0.39%) AWS Lambda
11 1 (0.39%) CloudFront
11 1 (0.39%) Serverless
11 1 (0.39%) Yarn
Communications & Networking
1 7 (2.70%) HTTP
2 4 (1.54%) Internet
3 3 (1.16%) TCP/IP
4 2 (0.77%) Reverse Proxy
4 2 (0.77%) SSL
5 1 (0.39%) Bluetooth
5 1 (0.39%) SMS
5 1 (0.39%) SSH
5 1 (0.39%) Wi-Fi
5 1 (0.39%) ZigBee
5 1 (0.39%) Z-Wave
Database & Business Intelligence
1 47 (18.15%) PostgreSQL
2 46 (17.76%) MySQL
3 43 (16.60%) NoSQL
4 28 (10.81%) SQL Server
5 12 (4.63%) Hadoop
6 7 (2.70%) Big Data
6 7 (2.70%) MongoDB
6 7 (2.70%) Relational Database
7 4 (1.54%) Apache Accumulo
8 3 (1.16%) Apache Cassandra
8 3 (1.16%) RDBMS
9 2 (0.77%) Apache Hive
9 2 (0.77%) SQL Server 2012
9 2 (0.77%) SQL Server 2014
10 1 (0.39%) Geospatial Data
10 1 (0.39%) GIS
10 1 (0.39%) JasperReports
10 1 (0.39%) Redis
10 1 (0.39%) Riak
Development Applications
1 58 (22.39%) Git (software)
2 50 (19.31%) NUnit
3 42 (16.22%) MSTest
4 37 (14.29%) Jenkins
5 29 (11.20%) Bitbucket
6 27 (10.42%) JIRA
7 24 (9.27%) Selenium
8 23 (8.88%) Maven
9 21 (8.11%) Cucumber
10 17 (6.56%) WebStorm
11 15 (5.79%) JMeter
12 11 (4.25%) SonarQube
13 10 (3.86%) Ant
13 10 (3.86%) Atlassian Bamboo
13 10 (3.86%) JUnit
14 8 (3.09%) Hudson
14 8 (3.09%) Team Foundation Server
14 8 (3.09%) Visual Studio
15 6 (2.32%) Mockito
16 5 (1.93%) Gradle
General
1 33 (12.74%) Finance
2 12 (4.63%) Banking
3 10 (3.86%) Telecoms
4 5 (1.93%) Back Office
5 4 (1.54%) Legal
6 3 (1.16%) Retail
7 2 (0.77%) Financial Institution
7 2 (0.77%) Games
7 2 (0.77%) Law
7 2 (0.77%) Retail Banking
8 1 (0.39%) Automotive
8 1 (0.39%) Electronics
8 1 (0.39%) Manufacturing
8 1 (0.39%) Marketing
Job Titles
1 205 (79.15%) Developer
2 83 (32.05%) Java Developer
3 33 (12.74%) .NET Developer
4 19 (7.34%) Senior Developer
5 18 (6.95%) AWS Developer
6 17 (6.56%) UI Developer
7 16 (6.18%) C# Developer
7 16 (6.18%) Front End Developer (Client-Side Developer)
7 16 (6.18%) React Developer
8 15 (5.79%) Scrum Master
9 13 (5.02%) JavaScript Developer
10 11 (4.25%) Agile Developer
10 11 (4.25%) Test Engineer
11 9 (3.47%) C# .NET Developer
11 9 (3.47%) SQL Developer
12 7 (2.70%) ASP.NET Developer
13 6 (2.32%) Agile Java Developer
13 6 (2.32%) Angular Developer
13 6 (2.32%) Architect
13 6 (2.32%) Software Developer
Libraries, Frameworks & Software Standards
1 66 (25.48%) HTML
2 64 (24.71%) .NET
3 53 (20.46%) CSS
4 44 (16.99%) HTML5
5 41 (15.83%) React
6 38 (14.67%) REST
7 37 (14.29%) Sass
7 37 (14.29%) Spring
8 33 (12.74%) AngularJS
9 29 (11.20%) Web Services
10 27 (10.42%) RESTful
11 26 (10.04%) ASP.NET
12 22 (8.49%) jQuery
13 20 (7.72%) SOAP
14 18 (6.95%) JSON
15 17 (6.56%) CSS3
16 16 (6.18%) Node.js
17 14 (5.41%) .NET Core
17 14 (5.41%) Hibernate
18 12 (4.63%) .NET Framework
Miscellaneous
1 20 (7.72%) Self-Motivation
2 17 (6.56%) Analytical Skills
3 16 (6.18%) Greenfield Project
4 11 (4.25%) User Experience
5 9 (3.47%) Digital Media
6 6 (2.32%) Fintech
7 4 (1.54%) Enterprise Software
7 4 (1.54%) Mobile App
8 2 (0.77%) Algorithms
8 2 (0.77%) Computer Science
8 2 (0.77%) Cyberthreat
8 2 (0.77%) Data Structures
8 2 (0.77%) N-Tier
8 2 (0.77%) Online Banking
9 1 (0.39%) Foreign Exchange (FX)
9 1 (0.39%) Linux Command Line
9 1 (0.39%) Management Information System
9 1 (0.39%) NHS
9 1 (0.39%) RIA
9 1 (0.39%) Robotics
Operating Systems
1 25 (9.65%) Linux
2 11 (4.25%) Windows
3 3 (1.16%) Unix
4 2 (0.77%) Android
4 2 (0.77%) Apple iOS
5 1 (0.39%) CentOS
5 1 (0.39%) Debian
5 1 (0.39%) Mac OS X
5 1 (0.39%) Red Hat Enterprise Linux
5 1 (0.39%) Ubuntu
Processes & Methodologies
1 208 (80.31%) Agile Software Development
2 114 (44.02%) BDD
3 99 (38.22%) Continuous Integration
4 62 (23.94%) Test Automation
5 60 (23.17%) Scrum
6 58 (22.39%) OO
7 50 (19.31%) Migration
8 37 (14.29%) Microservices
9 35 (13.51%) MVC
10 32 (12.36%) Unit Testing
11 26 (10.04%) Front End Development
12 22 (8.49%) DevOps
13 21 (8.11%) Problem-Solving
14 20 (7.72%) Integration Testing
14 20 (7.72%) Kanban
15 16 (6.18%) Mentoring
16 15 (5.79%) SDLC
16 15 (5.79%) SOLID
17 14 (5.41%) Coaching
18 12 (4.63%) Continuous Deployment
Programming Languages
1 120 (46.33%) Java
2 91 (35.14%) JavaScript
3 48 (18.53%) C#
4 38 (14.67%) SQL
5 33 (12.74%) Python
6 19 (7.34%) T-SQL
7 18 (6.95%) Java 8
8 8 (3.09%) Bash Shell
8 8 (3.09%) C
8 8 (3.09%) Ruby
8 8 (3.09%) TypeScript
9 7 (2.70%) ES6
10 6 (2.32%) Scala
11 5 (1.93%) Perl
12 3 (1.16%) F#
12 3 (1.16%) Go
12 3 (1.16%) PHP
13 2 (0.77%) Apple Swift
13 2 (0.77%) PL/SQL
14 1 (0.39%) C++
Qualifications
1 33 (12.74%) Security Cleared
2 25 (9.65%) SC Cleared
3 10 (3.86%) AWS Certification
4 9 (3.47%) ISTQB
5 6 (2.32%) Degree
6 5 (1.93%) DV Cleared
7 4 (1.54%) ISTQB Foundation Certification
8 3 (1.16%) BPSS Clearance
9 1 (0.39%) ISEB
Quality Assurance & Compliance
1 5 (1.93%) QA
2 2 (0.77%) HL7
System Software
1 21 (8.11%) Docker
2 2 (0.77%) vSphere
3 1 (0.39%) Active Directory
3 1 (0.39%) VMware Infrastructure
Systems Management
1 50 (19.31%) Ansible
2 47 (18.15%) Puppet
3 46 (17.76%) Opscode Chef
4 13 (5.02%) Kubernetes
5 7 (2.70%) Terraform
6 3 (1.16%) Grafana
7 2 (0.77%) Kibana
7 2 (0.77%) logstash
7 2 (0.77%) Oozie
8 1 (0.39%) Business Desktop Deployment
8 1 (0.39%) SELinux
8 1 (0.39%) Single Sign-On
Vendors
1 53 (20.46%) Oracle
2 12 (4.63%) Google
2 12 (4.63%) Microsoft
3 8 (3.09%) Adobe
4 6 (2.32%) AppDynamics
4 6 (2.32%) Splunk
5 5 (1.93%) Atlassian
5 5 (1.93%) hybris
6 4 (1.54%) CA Agile Central
7 3 (1.16%) Perforce
7 3 (1.16%) Twitter
7 3 (1.16%) Veracode
8 2 (0.77%) Coverity
8 2 (0.77%) VMware
9 1 (0.39%) IBM
9 1 (0.39%) NetIQ
9 1 (0.39%) RedGate
9 1 (0.39%) SAP
9 1 (0.39%) Sitecore