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 25 August 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
25 Aug 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 49 38 37
Rank change year-on-year
-11 -1
Contract jobs citing TDD 27 54 49
As % of all contract IT jobs located in Buckinghamshire 3.01% 4.01% 3.95%
As % of the Processes & Methodologies category 3.66% 5.02% 5.16%
Number of daily rates quoted 10 34 39
Median daily rate £381 £425 £425
Median daily rate % change year-on-year
-10.29% -
90% offered a daily rate of more than £359 £327 £367
10% offered a daily rate of more than £451 £437 £496
UK excluding London median daily rate £425 £388 £375
% change year-on-year
+9.67% +3.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £38.00 £42.50 £71.00
% change year-on-year
-10.58% -40.14%
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
737 1075 949
As % of all contract IT jobs located in Buckinghamshire 82.16% 79.87% 76.47%
Number of daily rates quoted 403 620 543
Median daily rate £425 £390 £375
Median daily rate % change year-on-year
+8.97% +4.00%
90% offered a daily rate of more than £260 £263 £225
10% offered a daily rate of more than £525 £525 £495
UK excluding London median daily rate £400 £396 £375
% change year-on-year
+1.01% +5.60%
Number of hourly rates quoted 31 21 29
Median hourly rate £25.00 £22.50 £16.50
Median hourly rate % change year-on-year
+11.11% +36.36%
90% offered a hourly rate of more than £10.24 £12.00 £11.00
10% offered a hourly rate of more than £46.00 £45.00 £25.00
UK excluding London median hourly rate £30.00 £32.54 £25.00
% change year-on-year
-7.80% +30.16%

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 25 August 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 25 August 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 +2 25 £381 -10.29% 8
TDD
South East

TDD
Top 30 Related IT Skills in Buckinghamshire

For the 6 months to 25 August 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 44 (77.19%) Agile Software Development
2 29 (50.88%) Scrum
3 26 (45.61%) Java
4 24 (42.11%) C#
5 22 (38.60%) Continuous Integration
6 21 (36.84%) JavaScript
6 21 (36.84%) .NET
7 18 (31.58%) MVC
8 17 (29.82%) ASP.NET
9 16 (28.07%) Linux
10 14 (24.56%) HTML
10 14 (24.56%) ASP.NET MVC
11 13 (22.81%) Node.js
11 13 (22.81%) ASP.NET Web API
12 12 (21.05%) Finance
13 11 (19.30%) SQL
13 11 (19.30%) BDD
13 11 (19.30%) Git (software)
14 10 (17.54%) SQL Server
14 10 (17.54%) jQuery
15 9 (15.79%) Unix
15 9 (15.79%) CSS
15 9 (15.79%) Web Services
15 9 (15.79%) TeamCity
15 9 (15.79%) Twitter Bootstrap
15 9 (15.79%) Analytical Skills
16 8 (14.04%) AngularJS
16 8 (14.04%) Spring
16 8 (14.04%) Software Engineering
16 8 (14.04%) Pair Programming

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 (10.53%) Apache Spark
2 1 (1.75%) Elasticsearch
2 1 (1.75%) WebLogic
2 1 (1.75%) WebSphere
2 1 (1.75%) WordPress
Applications
1 2 (3.51%) MS Excel
Business Applications
1 1 (1.75%) Dynamics CRM
Cloud Services
1 1 (1.75%) Microsoft Azure
Communications & Networking
1 1 (1.75%) Internet
1 1 (1.75%) Network Security
Database & Business Intelligence
1 10 (17.54%) SQL Server
2 7 (12.28%) NoSQL
3 6 (10.53%) Apache Cassandra
3 6 (10.53%) Apache Hive
3 6 (10.53%) Big Data
3 6 (10.53%) Cloudera CDH
3 6 (10.53%) Data Lake
3 6 (10.53%) Hadoop
3 6 (10.53%) HBase
3 6 (10.53%) Impala
3 6 (10.53%) RDBMS
3 6 (10.53%) Relational Database
4 3 (5.26%) Oracle Database
5 2 (3.51%) MongoDB
5 2 (3.51%) SQL Server 2008
6 1 (1.75%) PostgreSQL
6 1 (1.75%) Redis
6 1 (1.75%) SQL Server 2012
Development Applications
1 11 (19.30%) Git (software)
2 9 (15.79%) TeamCity
3 5 (8.77%) JIRA
3 5 (8.77%) Team Foundation Server
4 3 (5.26%) Octopus Deploy
4 3 (5.26%) Subversion
5 2 (3.51%) Bower
5 2 (3.51%) Cucumber
5 2 (3.51%) Eclipse
5 2 (3.51%) Grunt
5 2 (3.51%) Vagrant
6 1 (1.75%) Ant
6 1 (1.75%) Atlassian Bamboo
6 1 (1.75%) Gradle
6 1 (1.75%) Jenkins
6 1 (1.75%) JUnit
6 1 (1.75%) Moq
6 1 (1.75%) NUnit
6 1 (1.75%) Selenium
6 1 (1.75%) Visual Studio
General
1 12 (21.05%) Finance
2 3 (5.26%) Banking
2 3 (5.26%) Retail
3 2 (3.51%) Publishing
4 1 (1.75%) Automotive
4 1 (1.75%) Telecoms
Job Titles
1 43 (75.44%) Developer
2 18 (31.58%) .NET Developer
3 9 (15.79%) ASP.NET Developer
3 9 (15.79%) ASP.NET MVC Developer
3 9 (15.79%) C# Developer
3 9 (15.79%) Java Developer
4 8 (14.04%) C# .NET Developer
5 7 (12.28%) C# ASP.NET Developer
6 6 (10.53%) Big Data Engineer
6 6 (10.53%) Data Engineer
6 6 (10.53%) Hadoop Engineer
7 5 (8.77%) Cloud Developer
7 5 (8.77%) WPF Developer
8 4 (7.02%) iOS Developer
8 4 (7.02%) Senior Developer
9 3 (5.26%) Agile .NET Developer
9 3 (5.26%) Agile Developer
9 3 (5.26%) PHP Developer
9 3 (5.26%) WinForms Developer
10 2 (3.51%) PHP Laravel Developer
Libraries, Frameworks & Software Standards
1 21 (36.84%) .NET
2 17 (29.82%) ASP.NET
3 14 (24.56%) ASP.NET MVC
3 14 (24.56%) HTML
4 13 (22.81%) ASP.NET Web API
4 13 (22.81%) Node.js
5 10 (17.54%) jQuery
6 9 (15.79%) CSS
6 9 (15.79%) Twitter Bootstrap
6 9 (15.79%) Web Services
7 8 (14.04%) AngularJS
7 8 (14.04%) Spring
8 7 (12.28%) RESTful
9 6 (10.53%) Spring Boot
10 5 (8.77%) ASP.NET Web Forms
10 5 (8.77%) SOAP
10 5 (8.77%) WCF
10 5 (8.77%) WPF
11 4 (7.02%) WinForms
12 3 (5.26%) .NET Framework
Miscellaneous
1 9 (15.79%) Analytical Skills
2 5 (8.77%) Blockchain
2 5 (8.77%) N-Tier
3 4 (7.02%) Cryptography
3 4 (7.02%) Mobile App
3 4 (7.02%) User Experience
4 2 (3.51%) Computer Science
5 1 (1.75%) Bitcoin
5 1 (1.75%) Digital Media
5 1 (1.75%) Ergonomics
5 1 (1.75%) iPad
Operating Systems
1 16 (28.07%) Linux
2 9 (15.79%) Unix
3 4 (7.02%) Apple iOS
4 1 (1.75%) Android
4 1 (1.75%) Windows
Processes & Methodologies
1 44 (77.19%) Agile Software Development
2 29 (50.88%) Scrum
3 22 (38.60%) Continuous Integration
4 18 (31.58%) MVC
5 11 (19.30%) BDD
6 8 (14.04%) Pair Programming
6 8 (14.04%) Software Engineering
6 8 (14.04%) Web Development
7 7 (12.28%) Data Modelling
7 7 (12.28%) Use Case
8 6 (10.53%) Analytics
8 6 (10.53%) Data Analysis
8 6 (10.53%) Domain-Driven Design
8 6 (10.53%) ETL
8 6 (10.53%) ETL Development
8 6 (10.53%) Functional Programming
8 6 (10.53%) MapReduce
8 6 (10.53%) MVVM
8 6 (10.53%) SOA
8 6 (10.53%) SQL Optimisation
Programming Languages
1 26 (45.61%) Java
2 24 (42.11%) C#
3 21 (36.84%) JavaScript
4 11 (19.30%) SQL
5 6 (10.53%) Scala
6 5 (8.77%) Go
6 5 (8.77%) Python
7 4 (7.02%) Apple Swift
7 4 (7.02%) PHP
8 3 (5.26%) Shell Script
9 2 (3.51%) T-SQL
10 1 (1.75%) PL/SQL
10 1 (1.75%) XPath
Qualifications
1 3 (5.26%) ISEB
2 2 (3.51%) Degree
3 1 (1.75%) DV Cleared
3 1 (1.75%) ISTQB
3 1 (1.75%) Security Cleared
Quality Assurance & Compliance
1 6 (10.53%) Data Quality
2 1 (1.75%) SDET
System Software
1 2 (3.51%) Docker
Systems Management
1 1 (1.75%) Opscode Chef
Vendors
1 6 (10.53%) Cloudera
1 6 (10.53%) Microsoft
2 4 (7.02%) Oracle
3 3 (5.26%) RedGate
4 1 (1.75%) Apple
4 1 (1.75%) Atlassian
4 1 (1.75%) IBM