The following table provides summary statistics for contract job vacancies advertised in Andover 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 28 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)
Hampshire / Andover
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 12 22 -
Rank change year-on-year +10 -  
Contract jobs citing TDD 3 4 0
As % of all contract IT jobs advertised in Andover 6.38% 7.27% -
As % of the Processes & Methodologies category 6.52% 7.55% -
Number of daily rates quoted 2 0 0
Median daily rate £475 - -
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
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 Andover with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Andover
Contract job vacancies with a requirement for process and methodology skills 46 53 23
As % of all contract IT job vacancies advertised in Andover 97.87% 96.36% 82.14%
Number of daily rates quoted 159 134 76
Median daily rate £425 £375 £375
Median daily rate % change year-on-year +13.33% -  
90% offered a daily rate of more than £336 £288 £319
10% offered a daily rate of more than £573 £464 £475
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
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 Andover

Job postings citing TDD as a percentage of all IT jobs advertised in Andover.

Job vacancy trend for TDD in Andover

TDD
Contractor Daily Rate Trend in Andover

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

Contractor daily rate trend for TDD in Andover

For the 6 months to 28 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 Andover region with a requirement for TDD.

1 8 (100.00%) C#
1 8 (100.00%) JavaScript
1 8 (100.00%) .NET
1 8 (100.00%) SQL Server
1 8 (100.00%) ASP.NET
2 7 (87.50%) XML
2 7 (87.50%) Agile Software Development
3 6 (75.00%) Web Services
3 6 (75.00%) Scrum
3 6 (75.00%) Ajax
3 6 (75.00%) .NET Framework
3 6 (75.00%) WCF
3 6 (75.00%) Release Management
3 6 (75.00%) SQL Server 2008
3 6 (75.00%) OWASP
3 6 (75.00%) Git (software)
3 6 (75.00%) Team Foundation Server
3 6 (75.00%) MVC
3 6 (75.00%) Microsoft
3 6 (75.00%) SQL
3 6 (75.00%) T-SQL
3 6 (75.00%) Change Data Capture
3 6 (75.00%) TypeScript
3 6 (75.00%) ASP.NET Web API
3 6 (75.00%) SQL Server 2014
3 6 (75.00%) SQL Server 2016
3 6 (75.00%) ASP.NET MVC 5
3 6 (75.00%) Full Text Search
4 5 (62.50%) Redux
4 5 (62.50%) React

TDD
Co-occurring IT Skills in Andover 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 4 (50.00%) IIS
2 3 (37.50%) SharePoint
2 3 (37.50%) SharePoint 2013
Applications
1 1 (12.50%) Spreadsheet
Business Applications
1 1 (12.50%) SAP Oil and Gas
Cloud Services
1 5 (62.50%) IaaS
1 5 (62.50%) Microsoft Azure
1 5 (62.50%) PaaS
2 2 (25.00%) GitHub
Communications & Networking
1 1 (12.50%) DNS
1 1 (12.50%) Kerberos
Database & Business Intelligence
1 8 (100.00%) SQL Server
2 6 (75.00%) SQL Server 2008
2 6 (75.00%) SQL Server 2014
2 6 (75.00%) SQL Server 2016
3 3 (37.50%) SQL Server Integration Services
3 3 (37.50%) SQL Server Reporting Services
4 2 (25.00%) GIS
4 2 (25.00%) Oracle Database
4 2 (25.00%) Oracle Database 11g
5 1 (12.50%) SQL Server 2012
Development Applications
1 6 (75.00%) Git (software)
1 6 (75.00%) Team Foundation Server
2 5 (62.50%) Moq
2 5 (62.50%) MSTest
2 5 (62.50%) Selenium
2 5 (62.50%) SpecFlow
2 5 (62.50%) webpack
3 3 (37.50%) Visual Studio
3 3 (37.50%) Visual Studio Team System
4 2 (25.00%) Bitbucket
4 2 (25.00%) NuGet
4 2 (25.00%) Subversion
5 1 (12.50%) Balsamiq Mockups
5 1 (12.50%) Hudson
5 1 (12.50%) Jenkins
5 1 (12.50%) MSI
5 1 (12.50%) NUnit
5 1 (12.50%) WiX
General
1 2 (25.00%) Publishing
2 1 (12.50%) Electronics
2 1 (12.50%) Finance
2 1 (12.50%) Manufacturing
2 1 (12.50%) Marketing
2 1 (12.50%) Telecoms
Job Titles
1 7 (87.50%) Developer
2 5 (62.50%) .NET Developer
3 1 (12.50%) .NET Team Leader
3 1 (12.50%) C# .NET Developer
3 1 (12.50%) C# Developer
3 1 (12.50%) Team Leader
3 1 (12.50%) Technical Developer
Libraries, Frameworks & Software Standards
1 8 (100.00%) .NET
1 8 (100.00%) ASP.NET
2 7 (87.50%) XML
3 6 (75.00%) .NET Framework
3 6 (75.00%) Ajax
3 6 (75.00%) ASP.NET MVC 5
3 6 (75.00%) ASP.NET Web API
3 6 (75.00%) WCF
3 6 (75.00%) Web Services
4 5 (62.50%) ASP.NET MVC
4 5 (62.50%) OAuth2
4 5 (62.50%) OpenID
4 5 (62.50%) React
4 5 (62.50%) Redux
5 3 (37.50%) Entity Framework
5 3 (37.50%) jQuery
6 2 (25.00%) Node.js
6 2 (25.00%) OAuth
6 2 (25.00%) REST
6 2 (25.00%) RESTful
Operating Systems
1 1 (12.50%) Windows
Processes & Methodologies
1 7 (87.50%) Agile Software Development
2 6 (75.00%) Change Data Capture
2 6 (75.00%) Full Text Search
2 6 (75.00%) MVC
2 6 (75.00%) OWASP
2 6 (75.00%) Release Management
2 6 (75.00%) Scrum
3 4 (50.00%) Test Automation
4 2 (25.00%) Build Automation
4 2 (25.00%) ETL
4 2 (25.00%) Kanban
4 2 (25.00%) Waterfall
5 1 (12.50%) Business Intelligence
5 1 (12.50%) Continuous Integration
5 1 (12.50%) DevOps
5 1 (12.50%) Digital Marketing
5 1 (12.50%) Inversion of Control
5 1 (12.50%) Programme Management
Programming Languages
1 8 (100.00%) C#
1 8 (100.00%) JavaScript
2 6 (75.00%) SQL
2 6 (75.00%) T-SQL
2 6 (75.00%) TypeScript
3 5 (62.50%) ES6
4 4 (50.00%) F#
4 4 (50.00%) VB
5 2 (25.00%) PL/SQL
5 2 (25.00%) PowerShell
Qualifications
1 2 (25.00%) SC Cleared
1 2 (25.00%) Security Cleared
Vendors
1 6 (75.00%) Microsoft
2 2 (25.00%) ESRI
2 2 (25.00%) Oracle
3 1 (12.50%) DevExpress
3 1 (12.50%) SAP