The table below looks at the statistics for TDD skills in IT contracts advertised for the Oxford region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 20 February 2017 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
20 Feb 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Oxfordshire / Oxford
Rank 24 22 26
Rank change year-on-year
-2 +4
Contract jobs citing TDD 17 21 15
As % of all contract IT jobs located in Oxford 5.18% 7.72% 4.14%
As % of the Processes & Methodologies category 6.37% 8.86% 4.98%
Number of daily rates quoted 16 20 10
Median daily rate £500 £425 £484
Median daily rate % change year-on-year
+17.64% -12.14%
90% offered a daily rate of more than £463 £373 £409
10% offered a daily rate of more than £600 £469 £518
UK excluding London median daily rate £413 £400 £375
% change year-on-year
+3.12% +6.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £37.00 £40.00 £36.00
% change year-on-year
-7.50% +11.11%

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the Oxford region.

Processes & Methodologies Category
Oxford
Contract IT job ads with a match in the
Processes & Methodologies category
267 237 301
As % of all contract IT jobs located in Oxford 81.40% 87.13% 83.15%
Number of daily rates quoted 192 199 206
Median daily rate £475 £425 £413
Median daily rate % change year-on-year
+11.76% +3.03%
90% offered a daily rate of more than £296 £145 £285
10% offered a daily rate of more than £600 £550 £535
UK excluding London median daily rate £408 £400 £400
% change year-on-year
+2.00% -
Number of hourly rates quoted 7 6 8
Median hourly rate £23.19 £67.50 £14.50
Median hourly rate % change year-on-year
-65.64% +365.51%
90% offered a hourly rate of more than £17.43 £17.50 £13.84
10% offered a hourly rate of more than £55.00 £115.00 £24.00
UK excluding London median hourly rate £35.88 £40.00 £27.50
% change year-on-year
-10.31% +45.45%

TDD
Jobs Demand Trend in Oxford

The demand trend of contract jobs across the Oxford region citing TDD as a proportion of all IT contracts with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Oxford

TDD
Daily Rate Trend in Oxford

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing TDD across the Oxford region.

TDD Daily Rate Trend in Oxford

TDD
Daily Rate Histogram in Oxford

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Oxford region over the 3 months to 20 February 2017.

TDD Daily Rate Histogram in Oxford

TDD
Hourly Rate Trend in Oxford

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

TDD Hourly Rate Trend in Oxford

TDD
Top 30 Related IT Skills in Oxford

For the 6 months to 20 February 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 Oxford region with a requirement for TDD.

1 53 (85.48%) Agile Software Development
2 48 (77.42%) Java
3 36 (58.06%) Scrum
4 35 (56.45%) Spring
5 31 (50.00%) Continuous Integration
5 31 (50.00%) Jenkins
6 28 (45.16%) Maven
6 28 (45.16%) JUnit
7 27 (43.55%) Cucumber
8 26 (41.94%) Publishing
8 26 (41.94%) Java EE
9 25 (40.32%) SQL
10 24 (38.71%) Pair Programming
11 23 (37.10%) JBoss
12 22 (35.48%) WebSphere
12 22 (35.48%) Unit Testing
12 22 (35.48%) DevOps
13 21 (33.87%) Mockito
13 21 (33.87%) Amazon AWS
13 21 (33.87%) JavaScript
14 19 (30.65%) BPMN
14 19 (30.65%) RESTful
15 18 (29.03%) GitHub
15 18 (29.03%) Software Engineering
15 18 (29.03%) BPEL
15 18 (29.03%) WebSphere Application Server
16 17 (27.42%) HTML
17 16 (25.81%) Web Services
18 15 (24.19%) Migration
18 15 (24.19%) BDD

TDD
Top Related IT Skills in Oxford 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 23 (37.10%) JBoss
2 22 (35.48%) WebSphere
3 18 (29.03%) WebSphere Application Server
4 13 (20.97%) WebSphere Process Server
5 11 (17.74%) Alfresco
6 10 (16.13%) Tomcat
7 7 (11.29%) Elasticsearch
7 7 (11.29%) nginx
8 6 (9.68%) Apache
8 6 (9.68%) Apache Solr
9 5 (8.06%) Jetty
10 4 (6.45%) Apache Spark
11 3 (4.84%) WebLogic
12 1 (1.61%) Oracle SOA Suite
Business Applications
1 2 (3.23%) Magento
2 1 (1.61%) Oracle BPM
Cloud Services
1 21 (33.87%) Amazon AWS
2 18 (29.03%) GitHub
3 3 (4.84%) Amazon EC2
3 3 (4.84%) Amazon S3
3 3 (4.84%) Amazon SQS
4 2 (3.23%) Cloud Computing
5 1 (1.61%) Amazon ElastiCache
5 1 (1.61%) Microsoft Azure
Database & Business Intelligence
1 13 (20.97%) MongoDB
2 9 (14.52%) NoSQL
3 7 (11.29%) Oracle Database
4 6 (9.68%) Big Data
4 6 (9.68%) Data Warehouse
5 5 (8.06%) MySQL
6 4 (6.45%) Hadoop
7 1 (1.61%) CouchDB
7 1 (1.61%) Oracle Database 11g
7 1 (1.61%) PostgreSQL
7 1 (1.61%) Redis
7 1 (1.61%) Relational Database
Development Applications
1 31 (50.00%) Jenkins
2 28 (45.16%) JUnit
2 28 (45.16%) Maven
3 27 (43.55%) Cucumber
4 21 (33.87%) Mockito
5 14 (22.58%) Git (software)
5 14 (22.58%) Selenium
6 9 (14.52%) JIRA
7 8 (12.90%) Subversion
8 7 (11.29%) Talend Open Studio
9 6 (9.68%) Gradle
10 4 (6.45%) Sonatype Nexus
11 3 (4.84%) PHPUnit
12 2 (3.23%) GitLab
13 1 (1.61%) Ant
13 1 (1.61%) Jasmine
13 1 (1.61%) Mercurial
13 1 (1.61%) Protractor
13 1 (1.61%) SoapUI
13 1 (1.61%) WebDriver
General
1 26 (41.94%) Publishing
2 1 (1.61%) Aerospace
2 1 (1.61%) Automotive
Job Titles
1 50 (80.65%) Developer
2 33 (53.23%) Java Developer
3 18 (29.03%) Software Engineer
4 17 (27.42%) Java Engineer
5 16 (25.81%) Developer/Software Engineer
5 16 (25.81%) Java Software Developer
5 16 (25.81%) Java Software Engineer
6 12 (19.35%) Agile Developer
6 12 (19.35%) Agile Java Developer
6 12 (19.35%) AWS Developer
7 11 (17.74%) Software Developer
8 7 (11.29%) AWS Engineer
8 7 (11.29%) PHP Developer
9 6 (9.68%) AWS Software Engineer
9 6 (9.68%) ETL Developer
9 6 (9.68%) JavaScript Developer
9 6 (9.68%) Senior Developer
9 6 (9.68%) Senior Java Developer
10 5 (8.06%) MongoDB Developer
11 4 (6.45%) Test Leader
Libraries, Frameworks & Software Standards
1 35 (56.45%) Spring
2 26 (41.94%) Java EE
3 19 (30.65%) RESTful
4 17 (27.42%) HTML
5 16 (25.81%) Web Services
6 13 (20.97%) AngularJS
7 11 (17.74%) CSS
8 9 (14.52%) HTML5
8 9 (14.52%) JSON
8 9 (14.52%) REST
9 8 (12.90%) XML
10 7 (11.29%) EJB
10 7 (11.29%) Hibernate
10 7 (11.29%) SOAP
11 6 (9.68%) JMS
11 6 (9.68%) Lucene
11 6 (9.68%) Node.js
12 5 (8.06%) .NET
12 5 (8.06%) Laravel
13 4 (6.45%) J2EE
Miscellaneous
1 3 (4.84%) Semantic Web
2 1 (1.61%) Device Driver
2 1 (1.61%) Embedded Systems
2 1 (1.61%) Management Information System
Operating Systems
1 11 (17.74%) Linux
2 1 (1.61%) Android
2 1 (1.61%) Apple iOS
Processes & Methodologies
1 53 (85.48%) Agile Software Development
2 36 (58.06%) Scrum
3 31 (50.00%) Continuous Integration
4 24 (38.71%) Pair Programming
5 22 (35.48%) DevOps
5 22 (35.48%) Unit Testing
6 19 (30.65%) BPMN
7 18 (29.03%) BPEL
7 18 (29.03%) Software Engineering
8 15 (24.19%) BDD
8 15 (24.19%) Migration
9 10 (16.13%) Kanban
10 7 (11.29%) Data Management
10 7 (11.29%) ETL
10 7 (11.29%) Kimball Methodology
10 7 (11.29%) MVC
10 7 (11.29%) Performance Tuning
11 6 (9.68%) Build Automation
11 6 (9.68%) Business Intelligence
11 6 (9.68%) Web Development
Programming Languages
1 48 (77.42%) Java
2 25 (40.32%) SQL
3 21 (33.87%) JavaScript
4 10 (16.13%) Scala
5 9 (14.52%) Python
6 8 (12.90%) PHP
7 5 (8.06%) Bash Shell
7 5 (8.06%) C++
7 5 (8.06%) Ruby
8 1 (1.61%) C
8 1 (1.61%) C#
8 1 (1.61%) Embedded C
8 1 (1.61%) R
8 1 (1.61%) XPath
Qualifications
1 3 (4.84%) Degree
2 1 (1.61%) ISEB
Quality Assurance & Compliance
1 8 (12.90%) QA
2 3 (4.84%) Data Quality
3 1 (1.61%) MISRA
3 1 (1.61%) MISRA C
System Software
1 4 (6.45%) Docker
Systems Management
1 4 (6.45%) Mesos
2 1 (1.61%) Ansible
2 1 (1.61%) Opscode Chef
2 1 (1.61%) Puppet
Vendors
1 9 (14.52%) Oracle
2 7 (11.29%) Talend
3 1 (1.61%) Zend