The table below looks at the statistics for TDD skills in IT contracts advertised for the Staines region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 23 January 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
23 Jan 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Surrey / Staines
Rank 11 15 28
Rank change year-on-year
+4 +13
Contract jobs citing TDD 7 4 1
As % of all contract IT jobs located in Staines 8.24% 5.33% 0.60%
As % of the Processes & Methodologies category 9.86% 6.25% 0.68%
Number of daily rates quoted 1 2 1
Median daily rate £360 £356 £325
Median daily rate % change year-on-year
+1.05% +9.61%
UK excluding London median daily rate £420 £390 £375
% change year-on-year
+7.69% +4.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £36.51 £38.00 £38.25
% change year-on-year
-3.92% -0.65%

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

Processes & Methodologies Category
Staines
Contract IT job ads with a match in the
Processes & Methodologies category
71 64 147
As % of all contract IT jobs located in Staines 83.53% 85.33% 88.55%
Number of daily rates quoted 15 16 29
Median daily rate £375 £450 £467
Median daily rate % change year-on-year
-16.66% -3.64%
90% offered a daily rate of more than £150 £195 £324
10% offered a daily rate of more than £575 £525 £500
UK excluding London median daily rate £405 £400 £390
% change year-on-year
+1.25% +2.56%
Number of hourly rates quoted 0 4 0
Median hourly rate - £47.50 -
UK excluding London median hourly rate £35.00 £40.00 £26.00
% change year-on-year
-12.50% +53.84%

TDD
Jobs Demand Trend in Staines

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

TDD Jobs Demand Trend in Staines

TDD
Daily Rate Trend in Staines

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

TDD Daily Rate Trend in Staines

TDD
Hourly Rate Trend in Staines

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

TDD Hourly Rate Trend in Staines

TDD
Top 30 Related IT Skills in Staines

For the 6 months to 23 January 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 Staines region with a requirement for TDD.

1 12 (100.00%) Agile Software Development
2 8 (66.67%) JavaScript
2 8 (66.67%) Ember.js
2 8 (66.67%) Front End Development
3 7 (58.33%) AngularJS
3 7 (58.33%) Backbone.js
3 7 (58.33%) HTML
4 6 (50.00%) REST
5 4 (33.33%) HTML5
5 4 (33.33%) NoSQL
5 4 (33.33%) Node.js
5 4 (33.33%) Git (software)
5 4 (33.33%) C
5 4 (33.33%) C++
5 4 (33.33%) SQL
5 4 (33.33%) SOA
5 4 (33.33%) MPEG
5 4 (33.33%) HTTP
5 4 (33.33%) Digital TV
5 4 (33.33%) DVB
5 4 (33.33%) STB
5 4 (33.33%) Scrum
6 3 (25.00%) Automated Testing
6 3 (25.00%) CSS
6 3 (25.00%) CSS3
7 2 (16.67%) Continuous Improvement
7 2 (16.67%) Web Application Development
7 2 (16.67%) RESTful
7 2 (16.67%) Open Source
7 2 (16.67%) vSphere

TDD
Top Related IT Skills in Staines 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:

Communications & Networking
1 4 (33.33%) DVB
1 4 (33.33%) HTTP
Database & Business Intelligence
1 4 (33.33%) NoSQL
Development Applications
1 4 (33.33%) Git (software)
2 2 (16.67%) Jenkins
General
1 1 (8.33%) Telecoms
Job Titles
1 9 (75.00%) Developer
2 8 (66.67%) JavaScript Developer
3 4 (33.33%) Front End Developer (Client-Side Developer)
4 2 (16.67%) Angular Developer
5 1 (8.33%) Administrator
5 1 (8.33%) C++ Developer
5 1 (8.33%) DevOps Administrator
5 1 (8.33%) Embedded C Engineer
5 1 (8.33%) Embedded C/C++ Engineer
5 1 (8.33%) Embedded C++ Engineer
5 1 (8.33%) Embedded Engineer
5 1 (8.33%) Integration Engineer
5 1 (8.33%) Junior
5 1 (8.33%) Junior DevOps
5 1 (8.33%) Junior Systems Administrator
5 1 (8.33%) Software Engineer
5 1 (8.33%) Software Integration Engineer
5 1 (8.33%) Systems Administrator
Libraries, Frameworks & Software Standards
1 8 (66.67%) Ember.js
2 7 (58.33%) AngularJS
2 7 (58.33%) Backbone.js
2 7 (58.33%) HTML
3 6 (50.00%) REST
4 4 (33.33%) HTML5
4 4 (33.33%) Node.js
5 3 (25.00%) CSS
5 3 (25.00%) CSS3
6 2 (16.67%) OAuth
6 2 (16.67%) OAuth2
6 2 (16.67%) RESTful
6 2 (16.67%) Twitter Bootstrap
Miscellaneous
1 4 (33.33%) Digital TV
1 4 (33.33%) MPEG
1 4 (33.33%) STB
Operating Systems
1 2 (16.67%) CentOS
1 2 (16.67%) Linux
1 2 (16.67%) Ubuntu
Processes & Methodologies
1 12 (100.00%) Agile Software Development
2 8 (66.67%) Front End Development
3 4 (33.33%) Scrum
3 4 (33.33%) SOA
4 3 (25.00%) Automated Testing
5 2 (16.67%) Continuous Deployment
5 2 (16.67%) Continuous Improvement
5 2 (16.67%) Continuous Integration
5 2 (16.67%) Multithreading
5 2 (16.67%) Open Source
5 2 (16.67%) Open Source Development
5 2 (16.67%) Software Architecture
5 2 (16.67%) Web Application Development
6 1 (8.33%) DevOps
6 1 (8.33%) Software Engineering
Programming Languages
1 8 (66.67%) JavaScript
2 4 (33.33%) C
2 4 (33.33%) C++
2 4 (33.33%) SQL
3 2 (16.67%) Bash Shell
3 2 (16.67%) Embedded C
3 2 (16.67%) Embedded C++
3 2 (16.67%) Java
3 2 (16.67%) Perl
3 2 (16.67%) Python
4 1 (8.33%) ES6
System Software
1 2 (16.67%) Docker
1 2 (16.67%) Virtual Machines
1 2 (16.67%) vSphere
Vendors
1 2 (16.67%) SaltStack
2 1 (8.33%) VMware