The table below looks at the statistics for TDD skills in IT contracts advertised for the Buckinghamshire region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 24 May 2016 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
24 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 46 62 46
Rank change year-on-year
+16 -16
Contract jobs citing TDD 30 24 42
As % of all contract IT jobs located in Buckinghamshire 3.05% 2.00% 3.34%
As % of the Processes & Methodologies category 3.55% 2.46% 4.23%
Number of daily rates quoted 16 18 33
Median daily rate £325 £363 £380
Median daily rate % change year-on-year
-10.34% -4.60%
90% offered a daily rate of more than £294 £225 £311
10% offered a daily rate of more than £369 £465 £495
UK excluding London median daily rate £413 £388 £375
% change year-on-year
+6.45% +3.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £42.50 £45.00
% change year-on-year
- -5.55%
TDD
South East

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

Processes & Methodologies Category
Buckinghamshire
Contract IT job ads with a match in the
Processes & Methodologies category
844 977 994
As % of all contract IT jobs located in Buckinghamshire 85.86% 81.35% 78.95%
Number of daily rates quoted 462 483 584
Median daily rate £411 £350 £350
Median daily rate % change year-on-year
+17.42% -
90% offered a daily rate of more than £300 £265 £240
10% offered a daily rate of more than £525 £500 £480
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 15 30 39
Median hourly rate £38.50 £27.50 £20.50
Median hourly rate % change year-on-year
+40.00% +34.14%
90% offered a hourly rate of more than £11.10 £11.00 £12.50
10% offered a hourly rate of more than £55.00 £42.50 £35.00
UK excluding London median hourly rate £35.00 £31.00 £30.00
% change year-on-year
+12.90% +3.33%

TDD
Jobs Demand Trend in Buckinghamshire

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

TDD Jobs Demand Trend in Buckinghamshire

TDD
Daily Rate Trend in Buckinghamshire

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

TDD Daily Rate Trend in Buckinghamshire

TDD
Daily Rate Histogram in Buckinghamshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Buckinghamshire region over the 3 months to 24 May 2016.

TDD Daily Rate Histogram in Buckinghamshire

TDD
Hourly Rate Trend in Buckinghamshire

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

TDD Hourly Rate Trend in Buckinghamshire

TDD
Contract Job Locations in Buckinghamshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Buckinghamshire region over the 3 months to 24 May 2016. 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
(Click see detailed
statistics and trends)
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
Milton Keynes +12 24 £338 -20.58% 12
High Wycombe +6 1 - - 1
TDD
South East

TDD
Top 30 Related IT Skills in Buckinghamshire

For the 6 months to 24 May 2016, 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 Buckinghamshire region with a requirement for TDD.

1 54 (79.41%) Agile Software Development
2 47 (69.12%) C#
3 46 (67.65%) .NET
4 30 (44.12%) SQL Server
5 28 (41.18%) SQL
6 22 (32.35%) MVVM
7 21 (30.88%) WPF
8 20 (29.41%) JavaScript
9 18 (26.47%) SOAP
9 18 (26.47%) Microsoft
10 17 (25.00%) Scrum
11 16 (23.53%) Software Engineering
12 15 (22.06%) Windows
12 15 (22.06%) Java
13 14 (20.59%) ASP.NET
13 14 (20.59%) WCF
14 13 (19.12%) Multithreading
14 13 (19.12%) HTML
14 13 (19.12%) MVC
14 13 (19.12%) REST
15 12 (17.65%) SOA
15 12 (17.65%) Continuous Integration
16 11 (16.18%) ASP.NET MVC
16 11 (16.18%) ASP.NET Web API
16 11 (16.18%) Analytical Skills
17 10 (14.71%) SDLC
17 10 (14.71%) Finance
18 9 (13.24%) Red Hat
18 9 (13.24%) jQuery
18 9 (13.24%) Unit Testing

TDD
Top Related IT Skills in Buckinghamshire 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 5 (7.35%) Node.js
2 4 (5.88%) Apache Spark
2 4 (5.88%) JBoss
3 2 (2.94%) BizTalk Server
4 1 (1.47%) Umbraco
4 1 (1.47%) WebLogic
4 1 (1.47%) WordPress
Applications
1 1 (1.47%) MS Excel
1 1 (1.47%) MS PowerPoint
1 1 (1.47%) MS Visio
Cloud Services
1 5 (7.35%) Cloud Computing
1 5 (7.35%) SaaS
2 1 (1.47%) IaaS
2 1 (1.47%) Microsoft Azure
2 1 (1.47%) PaaS
Communications & Networking
1 2 (2.94%) HTTP
2 1 (1.47%) Internet
2 1 (1.47%) Network Security
Database & Business Intelligence
1 30 (44.12%) SQL Server
2 5 (7.35%) NoSQL
3 4 (5.88%) Apache Cassandra
3 4 (5.88%) Apache Hive
3 4 (5.88%) Big Data
3 4 (5.88%) Hadoop
3 4 (5.88%) HBase
3 4 (5.88%) Impala
3 4 (5.88%) RDBMS
3 4 (5.88%) Relational Database
3 4 (5.88%) SQL Server 2008
3 4 (5.88%) SQL Server 2012
4 1 (1.47%) MongoDB
4 1 (1.47%) MySQL
4 1 (1.47%) Oracle Database
4 1 (1.47%) PostgreSQL
4 1 (1.47%) SQL Server 2005
4 1 (1.47%) SQL Server Integration Services
Development Applications
1 6 (8.82%) TeamCity
2 5 (7.35%) JIRA
3 4 (5.88%) Visual Studio
4 3 (4.41%) Git (software)
4 3 (4.41%) Octopus Deploy
4 3 (4.41%) Subversion
5 2 (2.94%) Bower
5 2 (2.94%) Eclipse
5 2 (2.94%) Grunt
5 2 (2.94%) Team Foundation Server
6 1 (1.47%) Ant
6 1 (1.47%) Atlassian Bamboo
6 1 (1.47%) Gradle
6 1 (1.47%) JUnit
6 1 (1.47%) Moq
6 1 (1.47%) NUnit
6 1 (1.47%) Selenium
General
1 10 (14.71%) Finance
2 7 (10.29%) Banking
3 5 (7.35%) Retail
4 2 (2.94%) Publishing
5 1 (1.47%) Automotive
5 1 (1.47%) Telecoms
Job Titles
1 48 (70.59%) Developer
2 23 (33.82%) .NET Developer
3 16 (23.53%) C# Developer
4 15 (22.06%) C# .NET Developer
5 12 (17.65%) Senior Developer
6 11 (16.18%) WPF Developer
7 8 (11.76%) C# WPF Developer
8 7 (10.29%) Architect
9 6 (8.82%) ASP.NET Developer
9 6 (8.82%) ASP.NET MVC Developer
9 6 (8.82%) C# ASP.NET Developer
9 6 (8.82%) E-Commerce Architect
9 6 (8.82%) iOS Developer
9 6 (8.82%) Java Developer
9 6 (8.82%) Senior .NET Developer
9 6 (8.82%) Senior C# .NET Developer
9 6 (8.82%) Senior C# Developer
10 5 (7.35%) Team Leader
11 4 (5.88%) Senior Architect
11 4 (5.88%) Senior WPF Developer
Libraries, Frameworks & Software Standards
1 46 (67.65%) .NET
2 21 (30.88%) WPF
3 18 (26.47%) SOAP
4 14 (20.59%) ASP.NET
4 14 (20.59%) WCF
5 13 (19.12%) HTML
5 13 (19.12%) REST
6 11 (16.18%) ASP.NET MVC
6 11 (16.18%) ASP.NET Web API
7 9 (13.24%) jQuery
7 9 (13.24%) Twitter Bootstrap
8 8 (11.76%) CSS
9 7 (10.29%) .NET Framework
9 7 (10.29%) Spring
10 6 (8.82%) AngularJS
11 5 (7.35%) Entity Framework
11 5 (7.35%) Middleware
11 5 (7.35%) MSMQ
12 4 (5.88%) ASP.NET Web Forms
12 4 (5.88%) WinForms
Miscellaneous
1 11 (16.18%) Analytical Skills
2 5 (7.35%) Mobile App
2 5 (7.35%) N-Tier
3 3 (4.41%) Data Integration
3 3 (4.41%) User Experience
4 2 (2.94%) Blockchain
4 2 (2.94%) Cryptocurrency
4 2 (2.94%) Visualisation
5 1 (1.47%) Computer Science
5 1 (1.47%) Digital Media
5 1 (1.47%) Ergonomics
5 1 (1.47%) iPad
Operating Systems
1 15 (22.06%) Windows
2 7 (10.29%) Linux
3 6 (8.82%) Apple iOS
4 5 (7.35%) Unix
Processes & Methodologies
1 54 (79.41%) Agile Software Development
2 22 (32.35%) MVVM
3 17 (25.00%) Scrum
4 16 (23.53%) Software Engineering
5 13 (19.12%) Multithreading
5 13 (19.12%) MVC
6 12 (17.65%) Continuous Integration
6 12 (17.65%) SOA
7 10 (14.71%) SDLC
8 9 (13.24%) High Availability
8 9 (13.24%) Unit Testing
9 8 (11.76%) BDD
9 8 (11.76%) Data Analysis
9 8 (11.76%) E-Commerce
10 7 (10.29%) OO
11 6 (8.82%) DevOps
11 6 (8.82%) iOS Development
11 6 (8.82%) Web Development
12 5 (7.35%) Continuous Delivery
12 5 (7.35%) Pair Programming
Programming Languages
1 47 (69.12%) C#
2 28 (41.18%) SQL
3 20 (29.41%) JavaScript
4 15 (22.06%) Java
5 4 (5.88%) Apple Swift
5 4 (5.88%) PHP
5 4 (5.88%) Scala
5 4 (5.88%) T-SQL
6 2 (2.94%) XAML
7 1 (1.47%) Python
7 1 (1.47%) Shell Script
7 1 (1.47%) XPath
Qualifications
1 1 (1.47%) Degree
1 1 (1.47%) DV Cleared
1 1 (1.47%) Security Cleared
Quality Assurance & Compliance
1 4 (5.88%) Data Quality
Vendors
1 18 (26.47%) Microsoft
2 9 (13.24%) Red Hat
3 5 (7.35%) Oracle
4 4 (5.88%) Cloudera
5 3 (4.41%) RedGate
6 1 (1.47%) Apple
6 1 (1.47%) Atlassian