The following table provides summary statistics for contract job vacancies advertised in Oxfordshire with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 25 June 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 East / Oxfordshire
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 3 26 18
Rank change year-on-year +23 -8  
Contract jobs citing TDD 124 40 63
As % of all contract IT jobs advertised in Oxfordshire 19.78% 6.80% 8.28%
As % of the Processes & Methodologies category 24.03% 8.47% 10.23%
Number of daily rates quoted 103 33 55
Median daily rate £500 £475 £400
Median daily rate % change year-on-year +5.26% +18.75%  
90% offered a daily rate of more than £377 £375 £371
10% offered a daily rate of more than £580 £525 £500
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 1
Median hourly rate - - £45.00
UK excluding London median hourly rate £41.50 £40.00 £43.75
% change year-on-year +3.75% -8.57%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Oxfordshire with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Oxfordshire
Contract job vacancies with a requirement for process and methodology skills 516 472 616
As % of all contract IT job vacancies advertised in Oxfordshire 82.30% 80.27% 80.95%
Number of daily rates quoted 390 347 413
Median daily rate £475 £415 £403
Median daily rate % change year-on-year +14.45% +3.10%  
90% offered a daily rate of more than £325 £310 £275
10% offered a daily rate of more than £580 £525 £508
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 13 13 28
Median hourly rate £14.00 £16.00 £13.35
Median hourly rate % change year-on-year -12.50% +19.85%  
90% offered a hourly rate of more than £11.00 £14.00 £12.55
10% offered a hourly rate of more than £37.50 £40.50 £45.00
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

TDD
Job Vacancy Trend in Oxfordshire

The job posting trend of jobs advertised in Oxfordshire citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Oxfordshire

TDD
Contractor Daily Rate Trend in Oxfordshire

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

Contractor daily rate trend for TDD in Oxfordshire

TDD
Contractor Daily Rate Histogram in Oxfordshire

The daily rate distribution of IT jobs citing TDD in Oxfordshire over the 3 months to 25 June 2017.

Contractor daily rate histogram for TDD in Oxfordshire

TDD
Contractor Hourly Rate Trend in Oxfordshire

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

Contractor hourly rate trend for TDD in Oxfordshire

TDD
Contract Job Locations in Oxfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Oxfordshire region over the 3 months to 25 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Oxford +11 69 £525 +10.52% 10
Kidlington - 2 £408 -
Thame - 1 £425 - 1
TDD
South East

For the 6 months to 25 June 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 Oxfordshire region with a requirement for TDD.

1 130 (81.76%) Agile Software Development
2 83 (52.20%) Scrum
3 79 (49.69%) Java
4 68 (42.77%) Continuous Integration
4 68 (42.77%) BDD
5 65 (40.88%) JavaScript
5 65 (40.88%) Pair Programming
6 58 (36.48%) Amazon AWS
7 48 (30.19%) HTML
8 47 (29.56%) CSS
9 45 (28.30%) Unit Testing
10 44 (27.67%) Cucumber
11 41 (25.79%) Maven
11 41 (25.79%) DevOps
12 40 (25.16%) Spring
13 38 (23.90%) JUnit
13 38 (23.90%) Jenkins
14 37 (23.27%) AngularJS
15 36 (22.64%) GitHub
16 35 (22.01%) Node.js
16 35 (22.01%) Test Automation
16 35 (22.01%) PHP
16 35 (22.01%) SQL
16 35 (22.01%) JBoss
17 33 (20.75%) WebSphere
17 33 (20.75%) Java EE
17 33 (20.75%) Kanban
17 33 (20.75%) Mockito
18 32 (20.13%) WebSphere Application Server
19 31 (19.50%) BPEL

TDD
Co-occurring IT Skills in Oxfordshire 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 35 (22.01%) JBoss
2 33 (20.75%) WebSphere
3 32 (20.13%) WebSphere Application Server
4 26 (16.35%) WebSphere Process Server
5 14 (8.81%) Apache Spark
6 7 (4.40%) Apache
6 7 (4.40%) Tomcat
7 4 (2.52%) Confluence
8 3 (1.89%) nginx
9 2 (1.26%) Apache Solr
9 2 (1.26%) Elasticsearch
10 1 (0.63%) Alfresco
10 1 (0.63%) CMS
10 1 (0.63%) Drupal
10 1 (0.63%) NServiceBus
10 1 (0.63%) Sitefinity
10 1 (0.63%) WebLogic
Business Applications
1 10 (6.29%) Magento
Cloud Services
1 58 (36.48%) Amazon AWS
2 36 (22.64%) GitHub
3 8 (5.03%) AWS Lambda
4 5 (3.14%) Microsoft Azure
5 2 (1.26%) Amazon EMR
5 2 (1.26%) Amazon S3
5 2 (1.26%) AWS CloudFormation
Communications & Networking
1 2 (1.26%) Unified Communications
Database & Business Intelligence
1 27 (16.98%) NoSQL
2 20 (12.58%) MongoDB
3 19 (11.95%) Big Data
4 12 (7.55%) Hadoop
5 11 (6.92%) MySQL
6 8 (5.03%) Amazon DynamoDB
7 7 (4.40%) Redis
8 6 (3.77%) Apache Cassandra
9 5 (3.14%) Oracle Database
10 3 (1.89%) SQL Server
11 1 (0.63%) DocumentDB
11 1 (0.63%) Relational Database
11 1 (0.63%) SQL Server 2012
Development Applications
1 44 (27.67%) Cucumber
2 41 (25.79%) Maven
3 38 (23.90%) Jenkins
3 38 (23.90%) JUnit
4 33 (20.75%) Mockito
5 30 (18.87%) Git (software)
6 24 (15.09%) Selenium
7 21 (13.21%) JIRA
8 12 (7.55%) Bitbucket
9 10 (6.29%) WebDriver
10 9 (5.66%) Atlassian Bamboo
10 9 (5.66%) Grunt
10 9 (5.66%) gulp
11 7 (4.40%) IntelliJ
12 6 (3.77%) Jasmine
12 6 (3.77%) Mocha
13 5 (3.14%) Gradle
14 4 (2.52%) JMeter
14 4 (2.52%) JProfiler
14 4 (2.52%) LoadRunner
General
1 16 (10.06%) Publishing
2 3 (1.89%) Finance
3 1 (0.63%) Games
Job Titles
1 115 (72.33%) Developer
2 45 (28.30%) Java Developer
3 26 (16.35%) Node.js Developer
4 18 (11.32%) Agile Developer
5 17 (10.69%) AWS Developer
5 17 (10.69%) SQL Developer
6 14 (8.81%) PHP Developer
7 13 (8.18%) JavaScript Developer
8 10 (6.29%) Cloud Developer
9 9 (5.66%) Automation Tester
9 9 (5.66%) Python Developer
9 9 (5.66%) Tester
10 8 (5.03%) PHP Symfony Developer
10 8 (5.03%) Senior Developer
10 8 (5.03%) Symfony Developer
11 7 (4.40%) Agile Java Developer
11 7 (4.40%) E-Commerce Developer
11 7 (4.40%) HTML CSS Developer
11 7 (4.40%) HTML Developer
11 7 (4.40%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 48 (30.19%) HTML
2 47 (29.56%) CSS
3 40 (25.16%) Spring
4 37 (23.27%) AngularJS
5 35 (22.01%) Node.js
6 33 (20.75%) Java EE
7 28 (17.61%) Web Services
8 19 (11.95%) CSS3
9 18 (11.32%) HTML5
10 17 (10.69%) JSON
10 17 (10.69%) Symfony
11 15 (9.43%) Sass
12 13 (8.18%) RESTful
13 12 (7.55%) SOAP
14 11 (6.92%) jQuery
14 11 (6.92%) LESS
14 11 (6.92%) React
15 9 (5.66%) REST
16 7 (4.40%) Behat
16 7 (4.40%) JMS
Miscellaneous
1 4 (2.52%) Client/Server
2 3 (1.89%) Analytical Skills
3 2 (1.26%) Algorithms
3 2 (1.26%) Computer Science
3 2 (1.26%) Data Centre
3 2 (1.26%) Linked Data
3 2 (1.26%) PMI
3 2 (1.26%) Semantic Web
4 1 (0.63%) Data Structures
4 1 (0.63%) Enterprise Software
4 1 (0.63%) Fintech
4 1 (0.63%) Mobile App
Operating Systems
1 13 (8.18%) Linux
2 8 (5.03%) Unix
3 2 (1.26%) Android
4 1 (0.63%) Apple iOS
Processes & Methodologies
1 130 (81.76%) Agile Software Development
2 83 (52.20%) Scrum
3 68 (42.77%) BDD
3 68 (42.77%) Continuous Integration
4 65 (40.88%) Pair Programming
5 45 (28.30%) Unit Testing
6 41 (25.79%) DevOps
7 35 (22.01%) Test Automation
8 33 (20.75%) Kanban
9 31 (19.50%) BPEL
10 30 (18.87%) BPMN
11 27 (16.98%) Migration
12 26 (16.35%) Software Engineering
13 22 (13.84%) MVC
14 19 (11.95%) Web Development
15 16 (10.06%) Front End Development
16 15 (9.43%) Open Source
17 14 (8.81%) E-Commerce
18 12 (7.55%) API Development
18 12 (7.55%) SOA
Programming Languages
1 79 (49.69%) Java
2 65 (40.88%) JavaScript
3 35 (22.01%) PHP
3 35 (22.01%) SQL
4 22 (13.84%) Python
5 19 (11.95%) Scala
6 7 (4.40%) Groovy
7 5 (3.14%) C#
8 3 (1.89%) TypeScript
9 1 (0.63%) C
9 1 (0.63%) R
Qualifications
1 3 (1.89%) Degree
2 2 (1.26%) PMI Certification
2 2 (1.26%) PRINCE2 Practitioner
3 1 (0.63%) AWS Certification
3 1 (0.63%) Computer Science Degree
3 1 (0.63%) Security Cleared
Quality Assurance & Compliance
1 19 (11.95%) QA
2 2 (1.26%) ISO 22301
2 2 (1.26%) PCI DSS
System Software
1 16 (10.06%) Docker
2 2 (1.26%) Apache ZooKeeper
Systems Management
1 10 (6.29%) Terraform
2 9 (5.66%) Mesos
3 5 (3.14%) Puppet
4 4 (2.52%) Opscode Chef
5 3 (1.89%) Kubernetes
6 1 (0.63%) Ansible
Vendors
1 7 (4.40%) New Relic
2 5 (3.14%) Oracle
3 4 (2.52%) HP
3 4 (2.52%) Infor
4 3 (1.89%) Microsoft
4 3 (1.89%) Talend
5 2 (1.26%) Zend
Oxfordshire
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