Period
to 24 November 2017

The following table provides summary statistics for contract job vacancies advertised in Devon 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 24 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 > Devon
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 38 38 35
Rank change year-on-year 0 -3 +28
Contract jobs citing TDD 14 16 22
As % of all contract IT jobs advertised in Devon 2.44% 3.46% 3.80%
As % of the Processes & Methodologies category 2.83% 4.47% 4.84%
Number of daily rates quoted 7 12 19
Devon median daily rate £425 £294 £413
Median daily rate % change year-on-year +44.68% -28.79% -8.33%
10th Percentile £338 £263 £290
90th Percentile £538 £328 £488
South West median daily rate £400 £375 £375
% change year-on-year +6.67% - +7.14%
Number of hourly rates quoted 0 2 0
Devon median hourly rate - £37.50 -
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 Devon with a requirement for process or methodology skills.

All Process and Methodology Skills
Devon
Contract vacancies with a requirement for process or methodology skills 494 358 455
As % of all contract IT jobs advertised in Devon 86.06% 77.32% 78.58%
Number of daily rates quoted 289 218 315
Devon median daily rate £400 £350 £360
Median daily rate % change year-on-year +14.29% -2.78% -4.00%
10th Percentile £245 £185 £263
90th Percentile £553 £500 £515
South West median daily rate £400 £375 £375
% change year-on-year +6.67% - -
Number of hourly rates quoted 30 41 18
Devon median hourly rate £35.00 £23.78 £36.25
Median hourly rate % change year-on-year +47.21% -34.41% +72.62%
10th Percentile £27.05 £11.00 £14.13
90th Percentile £47.55 £48.00 £45.25
South West median hourly rate £35.00 £31.50 £39.00
% change year-on-year +11.11% -19.23% +41.82%

TDD
Job Vacancy Trend in Devon

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

Job vacancy trend for TDD in Devon

TDD
Contractor Daily Rate Trend in Devon

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

Contractor daily rate trend for TDD in Devon

TDD
Contractor Daily Rate Histogram in Devon

The daily rate distribution of IT jobs citing TDD in Devon over the 6 months to 24 November 2017.

Contractor daily rate histogram for TDD in Devon

TDD
Contractor Hourly Rate Trend in Devon

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

Contractor hourly rate trend for TDD in Devon

TDD
Contract Job Locations in Devon

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Devon region over the 6 months to 24 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
Exeter +4 11 £425 +47.83% 2
TDD
South West

For the 6 months to 24 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 Devon region with a requirement for TDD.

1 8 (57.14%) Linux
1 8 (57.14%) Java
1 8 (57.14%) Git (software)
2 7 (50.00%) Elasticsearch
2 7 (50.00%) Spring
2 7 (50.00%) Continuous Integration
2 7 (50.00%) SOAP
2 7 (50.00%) Web Services
3 6 (42.86%) Agile Software Development
4 5 (35.71%) ActiveMQ
4 5 (35.71%) BDD
4 5 (35.71%) RabbitMQ
5 4 (28.57%) Apache Solr
5 4 (28.57%) JPA
5 4 (28.57%) Spring Cloud
5 4 (28.57%) Docker
5 4 (28.57%) Hibernate
5 4 (28.57%) Scrum
5 4 (28.57%) T-SQL
5 4 (28.57%) Apache
6 3 (21.43%) Kanban
6 3 (21.43%) HDFS
6 3 (21.43%) Microservices
6 3 (21.43%) Apache Spark
6 3 (21.43%) Hadoop YARN
6 3 (21.43%) Spring Boot
6 3 (21.43%) Hadoop
6 3 (21.43%) MongoDB
6 3 (21.43%) Apache Pig
6 3 (21.43%) HBase

TDD
Co-occurring IT Skills in Devon 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 7 (50.00%) Elasticsearch
2 4 (28.57%) Apache
2 4 (28.57%) Apache Solr
3 3 (21.43%) Apache Pig
3 3 (21.43%) Apache Spark
Cloud Services
1 1 (7.14%) GitHub
Database & Business Intelligence
1 3 (21.43%) Hadoop
1 3 (21.43%) HBase
1 3 (21.43%) MongoDB
1 3 (21.43%) Redis
2 2 (14.29%) Big Data
3 1 (7.14%) NoSQL
3 1 (7.14%) Relational Database
Development Applications
1 8 (57.14%) Git (software)
2 2 (14.29%) PHPUnit
3 1 (7.14%) Atlassian Bamboo
3 1 (7.14%) Eclipse
3 1 (7.14%) IntelliJ
3 1 (7.14%) Jenkins
3 1 (7.14%) JProfiler
3 1 (7.14%) NetBeans
3 1 (7.14%) NUnit
3 1 (7.14%) VisualVM
3 1 (7.14%) YourKit
General
1 2 (14.29%) Retail
Job Titles
1 11 (78.57%) Developer
2 8 (57.14%) Java Developer
3 3 (21.43%) Agile Coach
4 2 (14.29%) PHP Developer
4 2 (14.29%) Senior Developer
4 2 (14.29%) Senior Java Developer
5 1 (7.14%) .NET Developer
5 1 (7.14%) ASP.NET MVC Developer
5 1 (7.14%) C# .NET Developer
5 1 (7.14%) C# Developer
5 1 (7.14%) Lead Developer
5 1 (7.14%) Lead Java Developer
Libraries, Frameworks & Software Standards
1 7 (50.00%) SOAP
1 7 (50.00%) Spring
1 7 (50.00%) Web Services
2 5 (35.71%) ActiveMQ
2 5 (35.71%) RabbitMQ
3 4 (28.57%) Hibernate
3 4 (28.57%) JPA
3 4 (28.57%) Spring Cloud
4 3 (21.43%) Spring Boot
5 1 (7.14%) .NET
5 1 (7.14%) JAX-RS
Miscellaneous
1 1 (7.14%) Computer Science
Operating Systems
1 8 (57.14%) Linux
2 1 (7.14%) Unix
Processes & Methodologies
1 7 (50.00%) Continuous Integration
2 6 (42.86%) Agile Software Development
3 5 (35.71%) BDD
4 4 (28.57%) Scrum
5 3 (21.43%) Kanban
5 3 (21.43%) Microservices
6 2 (14.29%) DevOps
6 2 (14.29%) Test Strategy
6 2 (14.29%) Wireframes
7 1 (7.14%) Coaching
7 1 (7.14%) Functional Testing
7 1 (7.14%) MVC
7 1 (7.14%) SOLID
7 1 (7.14%) Test Automation
7 1 (7.14%) Unit Testing
Programming Languages
1 8 (57.14%) Java
2 4 (28.57%) T-SQL
3 2 (14.29%) PHP
4 1 (7.14%) C
4 1 (7.14%) C#
4 1 (7.14%) C++
4 1 (7.14%) SQL
Qualifications
1 1 (7.14%) Computer Science Degree
1 1 (7.14%) Degree
Quality Assurance & Compliance
1 1 (7.14%) ISO 14001
1 1 (7.14%) ISO 9001
System Software
1 4 (28.57%) Docker
2 3 (21.43%) HDFS
Systems Management
1 3 (21.43%) Hadoop YARN