The following table provides summary statistics for contract job vacancies advertised in Berkshire 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 30 March 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)
South East / Berkshire
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 42 82 64
Rank change year-on-year +40 -18  
Contract jobs citing TDD 60 42 83
As % of all contract IT jobs advertised in Berkshire 3.28% 1.69% 2.82%
As % of the Processes & Methodologies category 4.08% 2.11% 3.76%
Number of daily rates quoted 42 35 51
Median daily rate £406 £375 £350
Median daily rate % change year-on-year +8.33% +7.14%  
90% offered a daily rate of more than £294 £350 £300
10% offered a daily rate of more than £500 £475 £425
UK excluding London median daily rate £400 £400 £375
% change year-on-year - +6.66%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £175.00 -
UK excluding London median hourly rate £39.00 £45.75 £39.25
% change year-on-year -14.75% +16.56%  

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 Berkshire with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Berkshire
Contract job vacancies with a requirement for process and methodology skills 1470 1992 2207
As % of all contract IT job vacancies advertised in Berkshire 80.37% 80.26% 75.04%
Number of daily rates quoted 696 1033 1162
Median daily rate £425 £425 £400
Median daily rate % change year-on-year - +6.25%  
90% offered a daily rate of more than £260 £281 £240
10% offered a daily rate of more than £532 £550 £525
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 63 48 57
Median hourly rate £16.50 £19.00 £27.50
Median hourly rate % change year-on-year -13.15% -30.90%  
90% offered a hourly rate of more than £12.00 £12.25 £14.00
10% offered a hourly rate of more than £55.00 £63.00 £42.50
UK excluding London median hourly rate £35.75 £38.00 £30.00
% change year-on-year -5.92% +26.66%  

TDD
Job Vacancy Trend in Berkshire

The job posting trend of jobs advertised in Berkshire citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Berkshire

TDD
Contractor Daily Rate Trend in Berkshire

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

Contractor daily rate trend for TDD in Berkshire

TDD
Contractor Daily Rate Histogram in Berkshire

The daily rate distribution of IT jobs citing TDD in Berkshire over the 3 months to 30 March 2017.

Contractor daily rate histogram for TDD in Berkshire

TDD
Contractor Hourly Rate Trend in Berkshire

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

Contractor hourly rate trend for TDD in Berkshire

TDD
Contract Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Berkshire region over the 3 months to 30 March 2017. 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 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
Reading +2 20 £400 +6.66% 8
Bracknell - 18 £500 - 1
Newbury - 6 £308 -
Slough +10 4 £338 +68.75% 2
Maidenhead - 3 £325 - 3
TDD
South East

For the 6 months to 30 March 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 Berkshire region with a requirement for TDD.

1 109 (80.74%) Agile Software Development
2 74 (54.81%) Java
3 71 (52.59%) BDD
4 55 (40.74%) Scrum
5 53 (39.26%) Continuous Integration
6 45 (33.33%) JavaScript
7 39 (28.89%) REST
8 34 (25.19%) MVC
9 31 (22.96%) C#
10 30 (22.22%) XML
10 30 (22.22%) Gradle
11 26 (19.26%) Maven
11 26 (19.26%) Groovy
12 25 (18.52%) Test Automation
12 25 (18.52%) Spring
12 25 (18.52%) Selenium
12 25 (18.52%) Python
13 24 (17.78%) HTML
13 24 (17.78%) WebDriver
14 23 (17.04%) OO
14 23 (17.04%) AngularJS
15 22 (16.30%) JSON
15 22 (16.30%) JIRA
16 21 (15.56%) C++
16 21 (15.56%) OOP
16 21 (15.56%) Jenkins
17 20 (14.81%) HTTP
17 20 (14.81%) Project Management
17 20 (14.81%) Automated Testing
17 20 (14.81%) Ruby

TDD
Co-occurring IT Skills in Berkshire 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 17 (12.59%) CMS
2 16 (11.85%) Sitecore CMS
3 11 (8.15%) Apache Spark
3 11 (8.15%) Confluence
4 8 (5.93%) Apache
4 8 (5.93%) Tomcat
5 5 (3.70%) Elasticsearch
6 4 (2.96%) Apache Solr
6 4 (2.96%) Oracle SOA Suite
6 4 (2.96%) Oracle Spatial
7 3 (2.22%) Alfresco
7 3 (2.22%) Liferay
8 2 (1.48%) Adobe Experience Manager
8 2 (1.48%) BizTalk Server
Applications
1 1 (0.74%) MS Excel
Business Applications
1 2 (1.48%) SAP Oil and Gas
Cloud Services
1 14 (10.37%) Amazon AWS
2 7 (5.19%) AWS Lambda
2 7 (5.19%) GitHub
3 4 (2.96%) Amazon CloudWatch
3 4 (2.96%) Amazon EC2
3 4 (2.96%) Amazon ElastiCache
3 4 (2.96%) Amazon S3
3 4 (2.96%) Amazon SQS
3 4 (2.96%) CloudFront
4 2 (1.48%) Amazon Kinesis
4 2 (1.48%) AWS CloudFormation
4 2 (1.48%) Microsoft Azure
5 1 (0.74%) OpenShift
Communications & Networking
1 20 (14.81%) HTTP
2 6 (4.44%) Internet
3 1 (0.74%) Extranet
3 1 (0.74%) Intranet
3 1 (0.74%) Network Security
3 1 (0.74%) Skype
3 1 (0.74%) SMPP
Database & Business Intelligence
1 14 (10.37%) Hadoop
1 14 (10.37%) NoSQL
2 12 (8.89%) Big Data
3 11 (8.15%) Apache Hive
4 10 (7.41%) DB2
4 10 (7.41%) HBase
4 10 (7.41%) Impala
4 10 (7.41%) MongoDB
4 10 (7.41%) Sqoop
5 9 (6.67%) Relational Database
6 7 (5.19%) Amazon DynamoDB
6 7 (5.19%) RDBMS
7 5 (3.70%) SQL Server
8 4 (2.96%) Geospatial Data
8 4 (2.96%) GIS
8 4 (2.96%) PostgreSQL
9 2 (1.48%) SQL Server 2012
9 2 (1.48%) SQL Server Integration Services
9 2 (1.48%) SQL Server Reporting Services
10 1 (0.74%) SQL Server Analysis Services
Development Applications
1 30 (22.22%) Gradle
2 26 (19.26%) Maven
3 25 (18.52%) Selenium
4 24 (17.78%) WebDriver
5 22 (16.30%) JIRA
6 21 (15.56%) Jenkins
7 19 (14.07%) Bitbucket
8 18 (13.33%) eggPlant
8 18 (13.33%) JMeter
9 17 (12.59%) Ant
9 17 (12.59%) Apache Ivy
10 15 (11.11%) Git (software)
11 9 (6.67%) Eclipse
11 9 (6.67%) IntelliJ
11 9 (6.67%) JUnit
12 7 (5.19%) Gatling
12 7 (5.19%) Subversion
13 6 (4.44%) Mercurial
14 5 (3.70%) NeoLoad
14 5 (3.70%) TeamCity
General
1 13 (9.63%) Finance
2 4 (2.96%) Telecoms
3 3 (2.22%) Marketing
3 3 (2.22%) Retail
4 2 (1.48%) Banking
4 2 (1.48%) Electronics
4 2 (1.48%) Manufacturing
4 2 (1.48%) Publishing
5 1 (0.74%) Financial Institution
5 1 (0.74%) Pharmaceutical
Job Titles
1 87 (64.44%) Developer
2 33 (24.44%) Java Developer
3 20 (14.81%) C# Developer
4 14 (10.37%) Developer in Test
5 13 (9.63%) Senior Developer
6 12 (8.89%) Software Developer
7 11 (8.15%) Agile Developer
8 10 (7.41%) JavaScript Developer
8 10 (7.41%) Scrum Master
9 9 (6.67%) .NET Developer
10 8 (5.93%) ASP.NET MVC Developer
10 8 (5.93%) C# .NET Developer
10 8 (5.93%) Senior Java Developer
11 7 (5.19%) Analyst
11 7 (5.19%) SQL Developer
12 6 (4.44%) Agile C# Developer
12 6 (4.44%) C# Software Developer
13 5 (3.70%) Agile Java Developer
13 5 (3.70%) Senior C# .NET Developer
13 5 (3.70%) Senior C# Developer
Libraries, Frameworks & Software Standards
1 39 (28.89%) REST
2 30 (22.22%) XML
3 25 (18.52%) Spring
4 24 (17.78%) HTML
5 23 (17.04%) AngularJS
6 22 (16.30%) JSON
7 18 (13.33%) .NET
7 18 (13.33%) Web Services
8 16 (11.85%) CSS
9 12 (8.89%) jQuery
10 10 (7.41%) Entity Framework
10 10 (7.41%) HTML5
10 10 (7.41%) RESTful
10 10 (7.41%) Spring MVC
11 9 (6.67%) Java EE
11 9 (6.67%) React
11 9 (6.67%) Struts
12 8 (5.93%) CSS3
12 8 (5.93%) Hibernate
13 6 (4.44%) Velocity
Miscellaneous
1 9 (6.67%) Computer Science
2 8 (5.93%) Analytical Skills
2 8 (5.93%) Enterprise Software
3 4 (2.96%) User Experience
4 2 (1.48%) Data Structures
4 2 (1.48%) Linux Command Line
4 2 (1.48%) Mobile App
5 1 (0.74%) Blog
5 1 (0.74%) Foreign Exchange (FX)
5 1 (0.74%) Social Media
Operating Systems
1 6 (4.44%) Windows
2 3 (2.22%) Linux
2 3 (2.22%) Solaris
2 3 (2.22%) Unix
3 2 (1.48%) Android
4 1 (0.74%) Apple iOS
Processes & Methodologies
1 109 (80.74%) Agile Software Development
2 71 (52.59%) BDD
3 55 (40.74%) Scrum
4 53 (39.26%) Continuous Integration
5 34 (25.19%) MVC
6 25 (18.52%) Test Automation
7 23 (17.04%) OO
8 21 (15.56%) OOP
9 20 (14.81%) Automated Testing
9 20 (14.81%) Project Management
10 19 (14.07%) Content Management
11 18 (13.33%) Data Protection
11 18 (13.33%) Pair Programming
11 18 (13.33%) User Stories
12 17 (12.59%) Unit Testing
13 15 (11.11%) Kanban
13 15 (11.11%) Open Source
13 15 (11.11%) Software Delivery
14 14 (10.37%) Visualisation
15 13 (9.63%) Manual Testing
Programming Languages
1 74 (54.81%) Java
2 45 (33.33%) JavaScript
3 31 (22.96%) C#
4 26 (19.26%) Groovy
5 25 (18.52%) Python
6 21 (15.56%) C++
7 20 (14.81%) Ruby
8 18 (13.33%) Scala
8 18 (13.33%) SQL
9 4 (2.96%) PHP
10 2 (1.48%) Shell Script
11 1 (0.74%) Bash Shell
11 1 (0.74%) ES6
11 1 (0.74%) Go
11 1 (0.74%) PowerShell
11 1 (0.74%) T-SQL
11 1 (0.74%) TypeScript
11 1 (0.74%) VB
Qualifications
1 10 (7.41%) Degree
2 8 (5.93%) Security Cleared
3 2 (1.48%) ISEB
3 2 (1.48%) SC Cleared
4 1 (0.74%) DV Cleared
4 1 (0.74%) ISTQB
Quality Assurance & Compliance
1 11 (8.15%) QA
2 1 (0.74%) IFRS
2 1 (0.74%) IFRS 9
2 1 (0.74%) PCI DSS
2 1 (0.74%) SDET
System Software
1 11 (8.15%) HDFS
2 6 (4.44%) Docker
Systems Management
1 10 (7.41%) Oozie
2 5 (3.70%) HP Fortify
3 1 (0.74%) HP Quality Center
Vendors
1 16 (11.85%) Sitecore
1 16 (11.85%) Splunk
2 14 (10.37%) Oracle
3 10 (7.41%) MicroStrategy
4 9 (6.67%) Ab Initio
5 7 (5.19%) HP
6 6 (4.44%) Cloudera
6 6 (4.44%) Hortonworks
7 3 (2.22%) GigaSpaces
8 2 (1.48%) Adobe
8 2 (1.48%) Apigee
8 2 (1.48%) Microsoft
8 2 (1.48%) SAP
8 2 (1.48%) Xamarin
9 1 (0.74%) Apple
9 1 (0.74%) Atlassian
9 1 (0.74%) Cadence
9 1 (0.74%) Red Hat
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