Period
to 19 November 2017

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 6 months to 19 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 East > Oxfordshire
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 8 22 10
Rank change year-on-year +14 -12 +21
Contract jobs citing TDD 176 121 139
As % of all contract IT jobs advertised in Oxfordshire 14.31% 9.52% 10.33%
As % of the Processes & Methodologies category 17.24% 10.92% 12.74%
Number of daily rates quoted 165 108 124
Oxfordshire median daily rate £500 £450 £425
Median daily rate % change year-on-year +11.11% +5.88% +17.24%
10th Percentile £375 £338 £300
90th Percentile £625 £575 £500
South East median daily rate £425 £440 £400
% change year-on-year -3.46% +10.06% +6.67%
Number of hourly rates quoted 0 2 2
Oxfordshire median hourly rate - £36.25 £47.50
Median hourly rate % change year-on-year - -23.68% -
South East median hourly rate £45.00 £36.50 £50.00
% change year-on-year +23.29% -27.00% +25.00%

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 Oxfordshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Oxfordshire
Contract vacancies with a requirement for process or methodology skills 1021 1108 1091
As % of all contract IT jobs advertised in Oxfordshire 83.01% 87.18% 81.12%
Number of daily rates quoted 832 801 799
Oxfordshire median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% +6.67%
10th Percentile £300 £213 £230
90th Percentile £588 £538 £520
South East median daily rate £425 £400 £390
% change year-on-year +6.25% +2.56% +4.00%
Number of hourly rates quoted 16 29 42
Oxfordshire median hourly rate £23.00 £20.00 £22.50
Median hourly rate % change year-on-year +15.00% -11.11% +50.00%
10th Percentile £13.67 £14.35 £12.57
90th Percentile £77.50 £44.15 £55.00
South East median hourly rate £23.00 £26.75 £26.55
% change year-on-year -14.02% +0.75% +51.71%

TDD
Job Vacancy Trend in Oxfordshire

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

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 6 months to 19 November 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 6 months to 19 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
Oxford +6 113 £508 +12.78% 12
Kidlington -2 8 £500 +11.11%
TDD
South East

For the 6 months to 19 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 Oxfordshire region with a requirement for TDD.

1 145 (82.39%) Agile Software Development
2 104 (59.09%) Java
3 101 (57.39%) BDD
4 90 (51.14%) Scrum
5 89 (50.57%) Amazon AWS
6 76 (43.18%) JavaScript
7 67 (38.07%) Kanban
8 64 (36.36%) AngularJS
9 60 (34.09%) Continuous Integration
10 54 (30.68%) Pair Programming
11 51 (28.98%) CSS
12 50 (28.41%) HTML
13 49 (27.84%) Test Automation
14 47 (26.70%) Unit Testing
15 46 (26.14%) Node.js
16 40 (22.73%) React
17 38 (21.59%) Git (software)
18 37 (21.02%) Maven
19 36 (20.45%) Web Services
20 35 (19.89%) Linux
20 35 (19.89%) jQuery
21 30 (17.05%) QA
21 30 (17.05%) JUnit
21 30 (17.05%) Software Engineering
22 28 (15.91%) MVC
23 26 (14.77%) Web Development
24 25 (14.20%) JIRA
24 25 (14.20%) Mockito
24 25 (14.20%) PHP
24 25 (14.20%) Configuration Management

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 18 (10.23%) Apache Spark
2 12 (6.82%) JBoss
3 11 (6.25%) Apache
3 11 (6.25%) WebSphere
4 6 (3.41%) Tomcat
5 4 (2.27%) Confluence
6 2 (1.14%) CMS
6 2 (1.14%) IIS
6 2 (1.14%) Oracle SOA Suite
6 2 (1.14%) WebSphere Application Server
6 2 (1.14%) WebSphere Process Server
7 1 (0.57%) BizTalk Server
7 1 (0.57%) nginx
7 1 (0.57%) NServiceBus
7 1 (0.57%) Sitefinity
Business Applications
1 12 (6.82%) Magento
Cloud Services
1 89 (50.57%) Amazon AWS
2 9 (5.11%) GitHub
3 4 (2.27%) Microsoft Azure
4 2 (1.14%) IaaS
4 2 (1.14%) PaaS
5 1 (0.57%) Amazon EC2
5 1 (0.57%) Amazon S3
5 1 (0.57%) Amazon SQS
5 1 (0.57%) AWS Lambda
5 1 (0.57%) SaaS
5 1 (0.57%) Serverless
Communications & Networking
1 1 (0.57%) SMS
1 1 (0.57%) Unified Communications
Database & Business Intelligence
1 20 (11.36%) Big Data
2 19 (10.80%) MongoDB
3 18 (10.23%) Hadoop
3 18 (10.23%) NoSQL
4 9 (5.11%) MySQL
5 6 (3.41%) Redis
5 6 (3.41%) SQL Server
6 3 (1.70%) Oracle Database
6 3 (1.70%) Relational Database
7 2 (1.14%) Data Warehouse
7 2 (1.14%) OLAP
7 2 (1.14%) OLAP Cube
7 2 (1.14%) SQL Server Integration Services
7 2 (1.14%) SQL Server Reporting Services
8 1 (0.57%) Amazon DynamoDB
8 1 (0.57%) Apache Cassandra
8 1 (0.57%) SQL Server 2012
Development Applications
1 38 (21.59%) Git (software)
2 37 (21.02%) Maven
3 30 (17.05%) JUnit
4 25 (14.20%) JIRA
4 25 (14.20%) Mockito
5 21 (11.93%) Ant
6 15 (8.52%) Grunt
6 15 (8.52%) gulp
7 14 (7.95%) IntelliJ
8 12 (6.82%) Atlassian Bamboo
9 11 (6.25%) Jenkins
10 8 (4.55%) Selenium
11 7 (3.98%) Gradle
12 6 (3.41%) Cucumber
12 6 (3.41%) JProfiler
12 6 (3.41%) VisualVM
12 6 (3.41%) YourKit
13 5 (2.84%) JMeter
14 4 (2.27%) LoadRunner
14 4 (2.27%) WebDriver
General
1 23 (13.07%) Publishing
2 7 (3.98%) Finance
3 3 (1.70%) Games
4 2 (1.14%) Retail
5 1 (0.57%) Manufacturing
Job Titles
1 121 (68.75%) Developer
2 61 (34.66%) Java Developer
3 38 (21.59%) AWS Developer
4 22 (12.50%) Java Team Leader
4 22 (12.50%) Node.js Developer
4 22 (12.50%) Team Leader
5 21 (11.93%) Agile Developer
5 21 (11.93%) JavaScript Developer
6 13 (7.39%) AWS Engineer
6 13 (7.39%) Senior Developer
7 11 (6.25%) PHP Developer
8 10 (5.68%) Big Data Developer
8 10 (5.68%) Scala Developer
9 9 (5.11%) Angular Developer
9 9 (5.11%) Lead Developer
9 9 (5.11%) Senior Java Developer
10 8 (4.55%) Big Data Engineer
10 8 (4.55%) Data Engineer
10 8 (4.55%) Test Leader
11 7 (3.98%) Apache Spark Developer
Libraries, Frameworks & Software Standards
1 64 (36.36%) AngularJS
2 51 (28.98%) CSS
3 50 (28.41%) HTML
4 46 (26.14%) Node.js
5 40 (22.73%) React
6 36 (20.45%) Web Services
7 35 (19.89%) jQuery
8 22 (12.50%) HTML5
9 18 (10.23%) JSON
9 18 (10.23%) Spring
10 17 (9.66%) CSS3
10 17 (9.66%) RESTful
10 17 (9.66%) Sass
11 16 (9.09%) REST
12 14 (7.95%) Dropwizard
12 14 (7.95%) Hystrix
12 14 (7.95%) Play Framework
12 14 (7.95%) Scalatra
13 13 (7.39%) LESS
14 11 (6.25%) Symfony
Miscellaneous
1 6 (3.41%) Semantic Web
2 4 (2.27%) Greenfield Project
2 4 (2.27%) Minimum Viable Product
2 4 (2.27%) N-Tier
3 2 (1.14%) Algorithms
3 2 (1.14%) Data Structures
4 1 (0.57%) Animation
4 1 (0.57%) Computer Science
4 1 (0.57%) Data Centre
4 1 (0.57%) Enterprise Software
4 1 (0.57%) Fintech
4 1 (0.57%) PMI
4 1 (0.57%) RIA
Operating Systems
1 35 (19.89%) Linux
2 7 (3.98%) Unix
3 1 (0.57%) Oracle Linux
Processes & Methodologies
1 145 (82.39%) Agile Software Development
2 101 (57.39%) BDD
3 90 (51.14%) Scrum
4 67 (38.07%) Kanban
5 60 (34.09%) Continuous Integration
6 54 (30.68%) Pair Programming
7 49 (27.84%) Test Automation
8 47 (26.70%) Unit Testing
9 30 (17.05%) Software Engineering
10 28 (15.91%) MVC
11 26 (14.77%) Web Development
12 25 (14.20%) Configuration Management
13 22 (12.50%) Continuous Delivery
14 21 (11.93%) SOLID
15 20 (11.36%) SOA
16 19 (10.80%) API Development
17 18 (10.23%) Front End Development
17 18 (10.23%) Refactoring
18 17 (9.66%) Domain-Driven Design
19 15 (8.52%) DevOps
Programming Languages
1 104 (59.09%) Java
2 76 (43.18%) JavaScript
3 25 (14.20%) PHP
4 22 (12.50%) Python
4 22 (12.50%) Scala
5 14 (7.95%) Groovy
6 12 (6.82%) SQL
7 10 (5.68%) C#
8 4 (2.27%) T-SQL
9 1 (0.57%) C
9 1 (0.57%) C++
9 1 (0.57%) ES6
9 1 (0.57%) R
9 1 (0.57%) Ruby
9 1 (0.57%) TypeScript
Qualifications
1 11 (6.25%) Degree
2 2 (1.14%) Security Cleared
3 1 (0.57%) Computer Science Degree
3 1 (0.57%) ISEB
3 1 (0.57%) ISTQB
3 1 (0.57%) PMI Certification
3 1 (0.57%) PRINCE2 Practitioner
Quality Assurance & Compliance
1 30 (17.05%) QA
2 8 (4.55%) Data Quality
3 1 (0.57%) Disclosure Scotland
3 1 (0.57%) ISO 22301
3 1 (0.57%) PCI DSS
System Software
1 23 (13.07%) Docker
2 2 (1.14%) Active Directory
2 2 (1.14%) Virtual Machines
2 2 (1.14%) VMware Infrastructure
Systems Management
1 23 (13.07%) Ansible
2 22 (12.50%) Puppet
3 21 (11.93%) Opscode Chef
4 17 (9.66%) Mesos
5 12 (6.82%) Terraform
6 1 (0.57%) Kubernetes
Vendors
1 16 (9.09%) New Relic
2 7 (3.98%) Oracle
3 6 (3.41%) Microsoft
4 4 (2.27%) HP
4 4 (2.27%) Infor
5 3 (1.70%) Zend
6 2 (1.14%) Capita
6 2 (1.14%) Splunk
6 2 (1.14%) Talend
6 2 (1.14%) Twitter
6 2 (1.14%) VMware
7 1 (0.57%) Apiary
7 1 (0.57%) SAP