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 28 June 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
28 Jun 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 49 50 47
Rank change year-on-year
+1 -3
Contract jobs citing TDD 29 40 43
As % of all contract IT jobs located in Buckinghamshire 3.01% 3.33% 3.38%
As % of the Processes & Methodologies category 3.63% 4.15% 4.36%
Number of daily rates quoted 9 24 34
Median daily rate £350 £425 £400
Median daily rate % change year-on-year
-17.64% +6.25%
90% offered a daily rate of more than £323 £288 £354
10% offered a daily rate of more than £465 £437 £499
UK excluding London median daily rate £413 £375 £375
% change year-on-year
+10.00% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £43.75 £59.50
% change year-on-year
-8.57% -26.47%
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
800 965 986
As % of all contract IT jobs located in Buckinghamshire 83.07% 80.22% 77.58%
Number of daily rates quoted 438 506 582
Median daily rate £406 £390 £365
Median daily rate % change year-on-year
+3.98% +6.84%
90% offered a daily rate of more than £275 £270 £250
10% offered a daily rate of more than £525 £550 £495
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 18 21 38
Median hourly rate £12.00 £26.00 £20.00
Median hourly rate % change year-on-year
-53.84% +30.00%
90% offered a hourly rate of more than £9.49 £11.00 £11.50
10% offered a hourly rate of more than £55.00 £55.00 £35.00
UK excluding London median hourly rate £28.50 £30.00 £30.00
% change year-on-year
-5.00% -

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 28 June 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 28 June 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 +8 24 £356 -16.17% 11
High Wycombe +3 1 - -
TDD
South East

TDD
Top 30 Related IT Skills in Buckinghamshire

For the 6 months to 28 June 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 39 (57.35%) C#
3 38 (55.88%) .NET
4 27 (39.71%) SQL
5 25 (36.76%) Java
6 23 (33.82%) Scrum
7 22 (32.35%) SQL Server
8 21 (30.88%) Continuous Integration
9 19 (27.94%) JavaScript
10 17 (25.00%) MVVM
11 16 (23.53%) Linux
11 16 (23.53%) WPF
12 15 (22.06%) Microsoft
13 14 (20.59%) SOA
13 14 (20.59%) SOAP
13 14 (20.59%) Software Engineering
14 13 (19.12%) ASP.NET
14 13 (19.12%) HTML
14 13 (19.12%) MVC
14 13 (19.12%) Finance
14 13 (19.12%) Node.js
14 13 (19.12%) Analytical Skills
15 12 (17.65%) WCF
16 11 (16.18%) ASP.NET Web API
17 10 (14.71%) REST
17 10 (14.71%) ASP.NET MVC
17 10 (14.71%) Windows
18 9 (13.24%) Unix
18 9 (13.24%) Multithreading
18 9 (13.24%) Git (software)

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 6 (8.82%) 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
Cloud Services
1 4 (5.88%) Cloud Computing
1 4 (5.88%) SaaS
2 1 (1.47%) IaaS
2 1 (1.47%) Microsoft Azure
2 1 (1.47%) PaaS
Communications & Networking
1 1 (1.47%) Internet
1 1 (1.47%) Network Security
Database & Business Intelligence
1 22 (32.35%) SQL Server
2 7 (10.29%) NoSQL
3 6 (8.82%) Apache Cassandra
3 6 (8.82%) Apache Hive
3 6 (8.82%) Big Data
3 6 (8.82%) Cloudera CDH
3 6 (8.82%) Hadoop
3 6 (8.82%) HBase
3 6 (8.82%) Impala
3 6 (8.82%) RDBMS
3 6 (8.82%) Relational Database
4 2 (2.94%) SQL Server 2008
4 2 (2.94%) SQL Server 2012
5 1 (1.47%) MongoDB
5 1 (1.47%) MySQL
5 1 (1.47%) Oracle Database
5 1 (1.47%) PostgreSQL
Development Applications
1 9 (13.24%) Git (software)
2 7 (10.29%) TeamCity
3 5 (7.35%) JIRA
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
5 2 (2.94%) Visual Studio
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
General
1 13 (19.12%) Finance
2 6 (8.82%) Banking
3 4 (5.88%) Retail
4 2 (2.94%) Publishing
5 1 (1.47%) Automotive
5 1 (1.47%) Telecoms
Job Titles
1 50 (73.53%) Developer
2 19 (27.94%) .NET Developer
3 13 (19.12%) C# Developer
4 12 (17.65%) C# .NET Developer
5 10 (14.71%) Java Developer
5 10 (14.71%) Senior Developer
6 8 (11.76%) WPF Developer
7 6 (8.82%) Architect
7 6 (8.82%) ASP.NET Developer
7 6 (8.82%) ASP.NET MVC Developer
7 6 (8.82%) C# ASP.NET Developer
8 5 (7.35%) C# WPF Developer
8 5 (7.35%) Cloud Developer
8 5 (7.35%) Data Engineer
8 5 (7.35%) E-Commerce Architect
8 5 (7.35%) Hadoop Engineer
9 4 (5.88%) Big Data Engineer
9 4 (5.88%) iOS Developer
9 4 (5.88%) Senior Architect
9 4 (5.88%) Senior C# .NET Developer
Libraries, Frameworks & Software Standards
1 38 (55.88%) .NET
2 16 (23.53%) WPF
3 14 (20.59%) SOAP
4 13 (19.12%) ASP.NET
4 13 (19.12%) HTML
4 13 (19.12%) Node.js
5 12 (17.65%) WCF
6 11 (16.18%) ASP.NET Web API
7 10 (14.71%) ASP.NET MVC
7 10 (14.71%) REST
8 9 (13.24%) jQuery
8 9 (13.24%) Twitter Bootstrap
9 8 (11.76%) CSS
9 8 (11.76%) Spring
9 8 (11.76%) Web Services
10 6 (8.82%) .NET Framework
10 6 (8.82%) AngularJS
10 6 (8.82%) RESTful
10 6 (8.82%) Spring Boot
11 5 (7.35%) ASP.NET Web Forms
Miscellaneous
1 13 (19.12%) Analytical Skills
2 5 (7.35%) Blockchain
2 5 (7.35%) Mobile App
2 5 (7.35%) N-Tier
3 4 (5.88%) Cryptography
4 2 (2.94%) Data Integration
4 2 (2.94%) Visualisation
5 1 (1.47%) Bitcoin
5 1 (1.47%) Digital Media
5 1 (1.47%) Ergonomics
5 1 (1.47%) iPad
5 1 (1.47%) User Experience
Operating Systems
1 16 (23.53%) Linux
2 10 (14.71%) Windows
3 9 (13.24%) Unix
4 4 (5.88%) Apple iOS
Processes & Methodologies
1 54 (79.41%) Agile Software Development
2 23 (33.82%) Scrum
3 21 (30.88%) Continuous Integration
4 17 (25.00%) MVVM
5 14 (20.59%) SOA
5 14 (20.59%) Software Engineering
6 13 (19.12%) MVC
7 9 (13.24%) Multithreading
8 8 (11.76%) Data Analysis
8 8 (11.76%) High Availability
8 8 (11.76%) Pair Programming
9 7 (10.29%) BDD
9 7 (10.29%) Data Modelling
9 7 (10.29%) E-Commerce
9 7 (10.29%) SDLC
10 6 (8.82%) ETL
10 6 (8.82%) Kanban
10 6 (8.82%) Unit Testing
10 6 (8.82%) Use Case
10 6 (8.82%) Web Development
Programming Languages
1 39 (57.35%) C#
2 27 (39.71%) SQL
3 25 (36.76%) Java
4 19 (27.94%) JavaScript
5 6 (8.82%) Python
5 6 (8.82%) Scala
6 5 (7.35%) Go
7 4 (5.88%) Apple Swift
7 4 (5.88%) PHP
7 4 (5.88%) T-SQL
8 3 (4.41%) Shell Script
9 2 (2.94%) XAML
10 1 (1.47%) PL/SQL
10 1 (1.47%) XPath
Qualifications
1 1 (1.47%) DV Cleared
1 1 (1.47%) Security Cleared
Quality Assurance & Compliance
1 6 (8.82%) Data Quality
Vendors
1 15 (22.06%) Microsoft
2 8 (11.76%) Red Hat
3 6 (8.82%) Cloudera
3 6 (8.82%) Oracle
4 3 (4.41%) RedGate
5 1 (1.47%) Apple
5 1 (1.47%) Atlassian