The following table provides summary statistics for contract job vacancies advertised in Cambridge 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 27 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)
Cambridgeshire / Cambridge
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 25 27 49
Rank change year-on-year +2 +22  
Contract jobs citing TDD 14 17 13
As % of all contract IT jobs advertised in Cambridge 4.65% 4.75% 2.81%
As % of the Processes & Methodologies category 5.98% 5.72% 3.50%
Number of daily rates quoted 8 7 11
Median daily rate £381 £400 £400
Median daily rate % change year-on-year -4.68% -  
90% offered a daily rate of more than £336 £350 £275
10% offered a daily rate of more than £467 £525 £450
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 - - £35.00
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 Cambridge with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Cambridge
Contract job vacancies with a requirement for process and methodology skills 234 297 371
As % of all contract IT job vacancies advertised in Cambridge 77.74% 82.96% 80.30%
Number of daily rates quoted 107 180 273
Median daily rate £363 £400 £375
Median daily rate % change year-on-year -9.37% +6.66%  
90% offered a daily rate of more than £202 £325 £275
10% offered a daily rate of more than £500 £525 £475
UK excluding London median daily rate £415 £400 £385
% change year-on-year +3.75% +3.89%  
Number of hourly rates quoted 39 20 17
Median hourly rate £37.50 £37.50 £40.00
Median hourly rate % change year-on-year - -6.25%  
90% offered a hourly rate of more than £14.80 £20.65 £17.69
10% offered a hourly rate of more than £47.50 £47.50 £57.50
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 Cambridge

The job posting trend of jobs advertised in Cambridge 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 Cambridge

TDD
Contractor Daily Rate Trend in Cambridge

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

Contractor daily rate trend for TDD in Cambridge

TDD
Contractor Daily Rate Histogram in Cambridge

The daily rate distribution of IT jobs citing TDD in Cambridge over the 3 months to 27 June 2017.

Contractor daily rate histogram for TDD in Cambridge

TDD
Contractor Hourly Rate Trend in Cambridge

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

Contractor hourly rate trend for TDD in Cambridge

For the 6 months to 27 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 Cambridge region with a requirement for TDD.

1 21 (91.30%) Agile Software Development
2 17 (73.91%) JavaScript
2 17 (73.91%) Continuous Integration
3 16 (69.57%) Java
4 14 (60.87%) HTML
4 14 (60.87%) BDD
5 13 (56.52%) Git (software)
6 12 (52.17%) REST
7 11 (47.83%) HTML5
7 11 (47.83%) Atlassian Bamboo
7 11 (47.83%) Spring
8 10 (43.48%) MVC
8 10 (43.48%) SQL
8 10 (43.48%) jQuery
8 10 (43.48%) Jenkins
9 9 (39.13%) Greenfield Project
10 8 (34.78%) AngularJS
10 8 (34.78%) BPMN
10 8 (34.78%) Mercurial
10 8 (34.78%) Oracle
11 7 (30.43%) XML
11 7 (30.43%) OO
11 7 (30.43%) XML Schema
11 7 (30.43%) Scrum
11 7 (30.43%) Scala
11 7 (30.43%) Domain-Driven Design
11 7 (30.43%) JSON
12 6 (26.09%) Web Development
12 6 (26.09%) Groovy
12 6 (26.09%) JPA

TDD
Co-occurring IT Skills in Cambridge 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 2 (8.70%) Cloud Foundry
1 2 (8.70%) Tomcat
2 1 (4.35%) CMS
Applications
1 1 (4.35%) Adobe Illustrator
1 1 (4.35%) OmniGraffle
1 1 (4.35%) Photoshop
Business Applications
1 6 (26.09%) Payment Gateway
2 2 (8.70%) Oracle ERP
2 2 (8.70%) SDL Web 8
Cloud Services
1 6 (26.09%) Microsoft Azure
2 3 (13.04%) Amazon AWS
3 1 (4.35%) Amazon CloudSearch
3 1 (4.35%) Amazon S3
Database & Business Intelligence
1 6 (26.09%) MongoDB
1 6 (26.09%) NoSQL
1 6 (26.09%) PostgreSQL
2 4 (17.39%) Relational Database
2 4 (17.39%) SQL Server
3 1 (4.35%) RDBMS
3 1 (4.35%) SQL Server 2008
3 1 (4.35%) SQL Server 2012
Development Applications
1 13 (56.52%) Git (software)
2 11 (47.83%) Atlassian Bamboo
3 10 (43.48%) Jenkins
4 8 (34.78%) Mercurial
5 6 (26.09%) IntelliJ
5 6 (26.09%) JUnit
5 6 (26.09%) Maven
5 6 (26.09%) Mockito
5 6 (26.09%) WebStorm
6 4 (17.39%) Subversion
7 3 (13.04%) Cucumber
7 3 (13.04%) Octopus Deploy
7 3 (13.04%) Selenium
8 2 (8.70%) Grunt
8 2 (8.70%) gulp
8 2 (8.70%) Jasmine
8 2 (8.70%) Mocha
General
1 1 (4.35%) Banking
Job Titles
1 14 (60.87%) Developer
2 7 (30.43%) Java Developer
3 6 (26.09%) Web Developer
4 5 (21.74%) Full Stack Developer
4 5 (21.74%) JavaScript Developer
5 4 (17.39%) Java Web Developer
6 3 (13.04%) Angular Developer
6 3 (13.04%) PHP Developer
6 3 (13.04%) PHP Web Developer
6 3 (13.04%) Senior Developer
6 3 (13.04%) Senior PHP Developer
6 3 (13.04%) Senior PHP Web Developer
6 3 (13.04%) Senior Web Developer
7 2 (8.70%) Agile Developer
7 2 (8.70%) ERP Analyst
7 2 (8.70%) ERP Business Analyst
7 2 (8.70%) Full Stack Web Developer
7 2 (8.70%) Oracle Business Analyst
7 2 (8.70%) Senior Java Developer
7 2 (8.70%) Software Engineer
Libraries, Frameworks & Software Standards
1 14 (60.87%) HTML
2 12 (52.17%) REST
3 11 (47.83%) HTML5
3 11 (47.83%) Spring
4 10 (43.48%) jQuery
5 8 (34.78%) AngularJS
6 7 (30.43%) JSON
6 7 (30.43%) XML
6 7 (30.43%) XML Schema
7 6 (26.09%) .NET
7 6 (26.09%) Hibernate
7 6 (26.09%) JPA
8 5 (21.74%) CSS
8 5 (21.74%) Node.js
8 5 (21.74%) RESTful
9 4 (17.39%) Angular 2
10 3 (13.04%) Polymer
10 3 (13.04%) Spring Boot
10 3 (13.04%) WPF
10 3 (13.04%) XSLT
Miscellaneous
1 9 (39.13%) Greenfield Project
2 4 (17.39%) User Experience
3 2 (8.70%) Life Science
3 2 (8.70%) Mobile App
4 1 (4.35%) Graphic Design
Operating Systems
1 1 (4.35%) Windows
Processes & Methodologies
1 21 (91.30%) Agile Software Development
2 17 (73.91%) Continuous Integration
3 14 (60.87%) BDD
4 10 (43.48%) MVC
5 8 (34.78%) BPMN
6 7 (30.43%) Domain-Driven Design
6 7 (30.43%) OO
6 7 (30.43%) Scrum
7 6 (26.09%) Information Security
7 6 (26.09%) Open Source
7 6 (26.09%) Web Development
8 3 (13.04%) Continuous Deployment
8 3 (13.04%) Migration
8 3 (13.04%) Service Design
9 2 (8.70%) API Design
9 2 (8.70%) ERP
9 2 (8.70%) Microservices
9 2 (8.70%) Responsive Web Design
9 2 (8.70%) Software Engineering
9 2 (8.70%) Stakeholder Management
Programming Languages
1 17 (73.91%) JavaScript
2 16 (69.57%) Java
3 10 (43.48%) SQL
4 7 (30.43%) Scala
5 6 (26.09%) Groovy
6 5 (21.74%) C#
6 5 (21.74%) TypeScript
7 3 (13.04%) ES6
7 3 (13.04%) PHP
8 1 (4.35%) C
8 1 (4.35%) C++
8 1 (4.35%) Clojure
8 1 (4.35%) Dart
8 1 (4.35%) Elixir
8 1 (4.35%) Erlang
8 1 (4.35%) Haskell
8 1 (4.35%) Kotlin
8 1 (4.35%) Objective-C
8 1 (4.35%) PL/SQL
8 1 (4.35%) Rust
Qualifications
1 2 (8.70%) Degree
Quality Assurance & Compliance
1 2 (8.70%) QA
Vendors
1 8 (34.78%) Oracle
2 4 (17.39%) Microsoft
3 1 (4.35%) Google
3 1 (4.35%) Twitter
Cambridge, Cambridgeshire
Harvey Nash plc
Posted: 6 days ago