Period
to 11 December 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 11 December 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
11 Dec 2018
Same period 2017 Same period 2016
Rank 45 56 44
Rank change year-on-year +11 -12 +8
Contract jobs citing TDD 299 205 234
As % of all contract IT jobs advertised in the South West 4.62% 3.65% 4.16%
As % of the Processes & Methodologies category 5.38% 4.38% 5.05%
Number of daily rates quoted 213 145 189
South West median daily rate £425 £400 £380
Median daily rate % change year-on-year +6.25% +5.26% +1.33%
10th Percentile £350 £313 £298
90th Percentile £575 £504 £538
England median daily rate £513 £500 £460
% change year-on-year +2.50% +8.70% +2.22%
Number of hourly rates quoted 4 0 1
South West median hourly rate £56.25 - £42.50
10th Percentile £37.25 - £41.25
90th Percentile £69.63 - £43.75
England median hourly rate £43.75 £45.00 £42.50
% change year-on-year -2.78% +5.88% +6.25%

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 5,562 4,680 4,634
As % of all contract IT jobs advertised in the South West 85.98% 83.36% 82.46%
Number of daily rates quoted 3,555 2,932 3,121
South West median daily rate £425 £400 £375
Median daily rate % change year-on-year +6.25% +6.67% -
10th Percentile £275 £253 £238
90th Percentile £575 £559 £550
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% -
Number of hourly rates quoted 222 201 292
South West median hourly rate £41.00 £33.00 £33.00
Median hourly rate % change year-on-year +24.24% - -15.65%
10th Percentile £13.05 £11.72 £12.00
90th Percentile £50.00 £50.00 £47.50
England median hourly rate £22.00 £24.69 £22.84
% change year-on-year -10.88% +8.10% +3.80%

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 11 December 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
Contractor Hourly Rate Histogram in the South West

The hourly rate distribution of IT jobs citing TDD in the South West over the 6 months to 11 December 2018.

Contractor hourly rate histogram 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 11 December 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 +11 152 £425 - 48
Devon +23 46 £375 -11.76% 14
Wiltshire -11 43 £450 +16.13% 14
Gloucestershire 0 23 £400 +14.29% 12
Somerset -13 22 £430 +6.83% 12
Dorset -12 2 £350 -16.17% 20
TDD
England

For the 6 months to 11 December 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.

1 242 (80.94%) Agile Software Development
2 141 (47.16%) Java
3 133 (44.48%) BDD
4 124 (41.47%) Continuous Integration
5 112 (37.46%) JavaScript
6 82 (27.42%) Microsoft Azure
7 81 (27.09%) HTML
8 80 (26.76%) Amazon AWS
9 78 (26.09%) Scrum
10 76 (25.42%) Test Automation
11 75 (25.08%) CSS
12 71 (23.75%) .NET
13 68 (22.74%) OO
14 60 (20.07%) Git (software)
15 55 (18.39%) Oracle
16 53 (17.73%) C#
17 51 (17.06%) Migration
18 49 (16.39%) MVC
19 48 (16.05%) MySQL
20 47 (15.72%) PostgreSQL
20 47 (15.72%) NUnit
20 47 (15.72%) Spring
20 47 (15.72%) Ansible
21 46 (15.38%) Puppet
21 46 (15.38%) Tomcat
22 45 (15.05%) REST
22 45 (15.05%) Opscode Chef
23 43 (14.38%) Jenkins
23 43 (14.38%) NoSQL
23 43 (14.38%) Python

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 (15.38%) Tomcat
2 43 (14.38%) WebSphere
3 42 (14.05%) OpenStack
3 42 (14.05%) WebLogic
4 16 (5.35%) Apache Spark
4 16 (5.35%) Confluence
5 8 (2.68%) Mule
6 5 (1.67%) Elasticsearch
7 4 (1.34%) JBoss
8 3 (1.00%) Adobe Experience Manager
8 3 (1.00%) EPiServer
9 2 (0.67%) Apache Pig
9 2 (0.67%) Apache Solr
9 2 (0.67%) CMS
9 2 (0.67%) Drupal
9 2 (0.67%) Oracle SOA Suite
10 1 (0.33%) Apache
10 1 (0.33%) WordPress
Applications
1 4 (1.34%) Fireworks
1 4 (1.34%) Photoshop
Business Applications
1 1 (0.33%) Dynamics CRM
Cloud Services
1 82 (27.42%) Microsoft Azure
2 80 (26.76%) Amazon AWS
3 24 (8.03%) Google Cloud Platform
4 15 (5.02%) SaaS
5 12 (4.01%) Apigee
6 9 (3.01%) GitHub
7 6 (2.01%) npm
8 4 (1.34%) Sauce Labs
9 3 (1.00%) OpenShift
10 2 (0.67%) Amazon EC2
10 2 (0.67%) NuGet
10 2 (0.67%) Serverless
10 2 (0.67%) Yarn
11 1 (0.33%) Amazon S3
11 1 (0.33%) AWS Lambda
11 1 (0.33%) Azure Functions
11 1 (0.33%) BrowserStack
11 1 (0.33%) CloudFront
11 1 (0.33%) Dynamics 365
11 1 (0.33%) Trello
Communications & Networking
1 15 (5.02%) HTTP
2 4 (1.34%) Internet
3 2 (0.67%) Reverse Proxy
3 2 (0.67%) SSL
3 2 (0.67%) TCP/IP
4 1 (0.33%) Bluetooth
4 1 (0.33%) SMS
4 1 (0.33%) Wi-Fi
4 1 (0.33%) ZigBee
4 1 (0.33%) Z-Wave
Database & Business Intelligence
1 48 (16.05%) MySQL
2 47 (15.72%) PostgreSQL
3 43 (14.38%) NoSQL
4 35 (11.71%) SQL Server
5 14 (4.68%) Hadoop
6 13 (4.35%) Relational Database
7 11 (3.68%) MongoDB
8 9 (3.01%) Big Data
9 5 (1.67%) Apache Accumulo
10 4 (1.34%) Apache Cassandra
11 3 (1.00%) RDBMS
12 2 (0.67%) Apache Hive
12 2 (0.67%) GIS
12 2 (0.67%) Oracle Reports
12 2 (0.67%) SQL Server 2014
13 1 (0.33%) Geospatial Data
13 1 (0.33%) JasperReports
13 1 (0.33%) Redis
13 1 (0.33%) Riak
13 1 (0.33%) SQL Server 2012
Development Applications
1 60 (20.07%) Git (software)
2 47 (15.72%) NUnit
3 43 (14.38%) Jenkins
4 42 (14.05%) MSTest
5 39 (13.04%) JIRA
6 30 (10.03%) Maven
7 29 (9.70%) Bitbucket
8 28 (9.36%) Selenium
9 25 (8.36%) Cucumber
10 21 (7.02%) JUnit
11 16 (5.35%) JMeter
12 15 (5.02%) Hudson
12 15 (5.02%) WebStorm
13 14 (4.68%) Ant
14 12 (4.01%) Team Foundation Server
15 11 (3.68%) Atlassian Bamboo
16 10 (3.34%) SonarQube
16 10 (3.34%) Subversion
17 8 (2.68%) Visual Studio
18 7 (2.34%) Eclipse
General
1 39 (13.04%) Finance
2 17 (5.69%) Banking
3 9 (3.01%) Telecoms
4 6 (2.01%) Back Office
5 5 (1.67%) Law
6 4 (1.34%) Legal
6 4 (1.34%) Retail
7 3 (1.00%) Electronics
7 3 (1.00%) Manufacturing
7 3 (1.00%) Marketing
8 2 (0.67%) Financial Institution
8 2 (0.67%) Games
8 2 (0.67%) Retail Banking
9 1 (0.33%) Automotive
Job Titles
1 229 (76.59%) Developer
2 84 (28.09%) Java Developer
3 40 (13.38%) .NET Developer
4 20 (6.69%) Senior Developer
5 19 (6.35%) Scrum Master
5 19 (6.35%) UI Developer
6 18 (6.02%) AWS Developer
7 17 (5.69%) Agile Developer
7 17 (5.69%) C# Developer
8 16 (5.35%) Front End Developer (Client-Side Developer)
9 15 (5.02%) React Developer
9 15 (5.02%) Test Engineer
10 14 (4.68%) JavaScript Developer
11 11 (3.68%) C# .NET Developer
12 10 (3.34%) Full Stack Developer
12 10 (3.34%) Scala Developer
12 10 (3.34%) SQL Developer
13 9 (3.01%) Analyst
14 8 (2.68%) ASP.NET Developer
15 7 (2.34%) PHP Developer
Libraries, Frameworks & Software Standards
1 81 (27.09%) HTML
2 75 (25.08%) CSS
3 71 (23.75%) .NET
4 47 (15.72%) Spring
5 45 (15.05%) REST
6 42 (14.05%) HTML5
6 42 (14.05%) React
7 37 (12.37%) RESTful
8 34 (11.37%) AngularJS
8 34 (11.37%) Sass
9 31 (10.37%) ASP.NET
10 30 (10.03%) Web Services
11 26 (8.70%) jQuery
11 26 (8.70%) SOAP
12 23 (7.69%) JSON
13 21 (7.02%) Node.js
14 18 (6.02%) ASP.NET Web API
15 17 (5.69%) Hibernate
16 16 (5.35%) .NET Core
16 16 (5.35%) CSS3
Miscellaneous
1 24 (8.03%) Greenfield Project
2 23 (7.69%) Self-Motivation
3 22 (7.36%) Analytical Skills
4 8 (2.68%) User Experience
5 6 (2.01%) Digital Media
5 6 (2.01%) Enterprise Software
6 5 (1.67%) Fintech
7 3 (1.00%) Algorithms
7 3 (1.00%) Data Structures
7 3 (1.00%) Mobile App
7 3 (1.00%) N-Tier
8 2 (0.67%) Cyberthreat
8 2 (0.67%) iPad
8 2 (0.67%) Public Cloud
9 1 (0.33%) Foreign Exchange (FX)
9 1 (0.33%) Management Information System
9 1 (0.33%) NHS
9 1 (0.33%) Online Banking
9 1 (0.33%) Raspberry Pi
9 1 (0.33%) Robotics
Operating Systems
1 32 (10.70%) Linux
2 13 (4.35%) Windows
3 2 (0.67%) Red Hat Enterprise Linux
3 2 (0.67%) Unix
3 2 (0.67%) Windows Server
4 1 (0.33%) Android
4 1 (0.33%) Apple iOS
4 1 (0.33%) Mac OS X
Processes & Methodologies
1 242 (80.94%) Agile Software Development
2 133 (44.48%) BDD
3 124 (41.47%) Continuous Integration
4 78 (26.09%) Scrum
5 76 (25.42%) Test Automation
6 68 (22.74%) OO
7 51 (17.06%) Migration
8 49 (16.39%) MVC
9 40 (13.38%) Microservices
10 33 (11.04%) Problem-Solving
11 32 (10.70%) Unit Testing
12 28 (9.36%) Kanban
13 27 (9.03%) DevOps
14 26 (8.70%) Integration Testing
15 24 (8.03%) Front End Development
16 17 (5.69%) E-Commerce
16 17 (5.69%) Mentoring
16 17 (5.69%) Pair Programming
16 17 (5.69%) SDLC
17 16 (5.35%) Coaching
Programming Languages
1 141 (47.16%) Java
2 112 (37.46%) JavaScript
3 53 (17.73%) C#
4 43 (14.38%) Python
5 41 (13.71%) SQL
6 19 (6.35%) Ruby
7 17 (5.69%) Scala
8 15 (5.02%) Java 8
8 15 (5.02%) T-SQL
9 9 (3.01%) ES6
10 8 (2.68%) Bash Shell
11 7 (2.34%) C
11 7 (2.34%) PHP
11 7 (2.34%) TypeScript
12 6 (2.01%) Perl
13 3 (1.00%) Go
14 2 (0.67%) F#
14 2 (0.67%) PL/SQL
15 1 (0.33%) Apple Swift
15 1 (0.33%) Groovy
Qualifications
1 39 (13.04%) Security Cleared
2 27 (9.03%) SC Cleared
3 10 (3.34%) AWS Certification
3 10 (3.34%) ISTQB
4 9 (3.01%) BPSS Clearance
4 9 (3.01%) Degree
5 7 (2.34%) DV Cleared
6 4 (1.34%) ISTQB Foundation Certification
7 2 (0.67%) ISEB
8 1 (0.33%) Sun Certification
Quality Assurance & Compliance
1 7 (2.34%) QA
2 4 (1.34%) HL7
System Software
1 22 (7.36%) Docker
2 2 (0.67%) vSphere
3 1 (0.33%) Active Directory
3 1 (0.33%) VMware Infrastructure
Systems Management
1 47 (15.72%) Ansible
2 46 (15.38%) Puppet
3 45 (15.05%) Opscode Chef
4 15 (5.02%) Kubernetes
5 8 (2.68%) Terraform
6 2 (0.67%) Grafana
6 2 (0.67%) Kibana
6 2 (0.67%) logstash
6 2 (0.67%) Oozie
7 1 (0.33%) Business Desktop Deployment
7 1 (0.33%) Single Sign-On
Vendors
1 55 (18.39%) Oracle
2 18 (6.02%) Google
3 16 (5.35%) Microsoft
4 8 (2.68%) Adobe
5 7 (2.34%) hybris
6 6 (2.01%) Atlassian
7 5 (1.67%) AppDynamics
7 5 (1.67%) CA Agile Central
7 5 (1.67%) Perforce
7 5 (1.67%) Splunk
8 4 (1.34%) VMware
9 3 (1.00%) SAP
9 3 (1.00%) Twitter
10 2 (0.67%) Civica
10 2 (0.67%) Coverity
10 2 (0.67%) Red Hat
10 2 (0.67%) Veracode
11 1 (0.33%) NetIQ
11 1 (0.33%) RedGate
11 1 (0.33%) Sitecore