Period
to 17 December 2017

The following table provides summary statistics for contract job vacancies advertised in Cheshire with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 17 December 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)
North West > Cheshire
6 months to
17 Dec 2017
Same period 2016 Same period 2015
Rank 36 20 56
Rank change year-on-year -16 +36 -7
Contract jobs citing TDD 64 91 59
As % of all contract IT jobs advertised in Cheshire 4.83% 6.82% 2.82%
As % of the Processes & Methodologies category 5.79% 7.92% 3.34%
Number of daily rates quoted 59 77 42
Cheshire median daily rate £375 £388 £384
Median daily rate % change year-on-year -3.23% +0.98% +5.86%
10th Percentile £257 £289 £265
90th Percentile £478 £445 £482
North West median daily rate £400 £425 £388
% change year-on-year -5.88% +9.68% +10.71%
Number of hourly rates quoted 0 0 0
Cheshire median hourly rate - - -
North West median hourly rate £43.00 £42.50 -
% change year-on-year +1.18% - -

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Cheshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Cheshire
Contract vacancies with a requirement for process or methodology skills 1105 1149 1766
As % of all contract IT jobs advertised in Cheshire 83.33% 86.13% 84.42%
Number of daily rates quoted 804 823 1192
Cheshire median daily rate £420 £400 £425
Median daily rate % change year-on-year +5.00% -5.88% +13.33%
10th Percentile £263 £235 £275
90th Percentile £625 £600 £600
North West median daily rate £400 £400 £400
Number of hourly rates quoted 34 34 57
Cheshire median hourly rate £16.17 £20.14 £17.77
Median hourly rate % change year-on-year -19.72% +13.35% -5.23%
10th Percentile £9.68 £13.00 £12.74
90th Percentile £36.75 £42.48 £34.25
North West median hourly rate £25.00 £25.00 £29.71
% change year-on-year - -15.85% +65.06%

TDD
Job Vacancy Trend in Cheshire

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

Job vacancy trend for TDD in Cheshire

TDD
Contractor Daily Rate Trend in Cheshire

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

Contractor daily rate trend for TDD in Cheshire

TDD
Contractor Daily Rate Histogram in Cheshire

The daily rate distribution of IT jobs citing TDD in Cheshire over the 6 months to 17 December 2017.

Contractor daily rate histogram for TDD in Cheshire

TDD
Contractor Hourly Rate Trend in Cheshire

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

Contractor hourly rate trend for TDD in Cheshire

TDD
Contract Job Locations in Cheshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Cheshire region over the 6 months to 17 December 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Knutsford +6 25 £450 +18.42% 2
Warrington -3 9 £375 -6.25% 4
Chester -7 7 £375 -9.37% 4
Crewe - 6 £425 - 1
Macclesfield +7 2 £425 +54.55% 1
Northwich -1 1 - -
TDD
North West

For the 6 months to 17 December 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 Cheshire region with a requirement for TDD.

1 36 (56.25%) Agile Software Development
2 35 (54.69%) Git (software)
3 33 (51.56%) JavaScript
4 32 (50.00%) Java
5 30 (46.88%) SQL
6 28 (43.75%) Test Automation
7 27 (42.19%) Finance
7 27 (42.19%) Unit Testing
7 27 (42.19%) Spring
8 24 (37.50%) HTML
8 24 (37.50%) CSS
9 23 (35.94%) Perforce
10 21 (32.81%) Hibernate
10 21 (32.81%) Banking
11 20 (31.25%) Web Services
11 20 (31.25%) AngularJS
11 20 (31.25%) Relational Database
12 19 (29.69%) Oracle
12 19 (29.69%) JUnit
12 19 (29.69%) JPA
13 18 (28.13%) RDBMS
13 18 (28.13%) BDD
13 18 (28.13%) React
14 17 (26.56%) REST
14 17 (26.56%) Jenkins
14 17 (26.56%) OO
14 17 (26.56%) JSON
15 16 (25.00%) SQL Server
15 16 (25.00%) Gradle
15 16 (25.00%) HTML5

TDD
Co-occurring IT Skills in Cheshire 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 (9.38%) CMS
2 4 (6.25%) BizTalk Server
2 4 (6.25%) SharePoint
3 3 (4.69%) NServiceBus
4 2 (3.13%) Confluence
4 2 (3.13%) ExpressionEngine
4 2 (3.13%) Umbraco
4 2 (3.13%) WordPress
5 1 (1.56%) Apache
5 1 (1.56%) IIS
5 1 (1.56%) Tomcat
Applications
1 1 (1.56%) Adobe After Effects
1 1 (1.56%) Adobe Creative Suite
1 1 (1.56%) Adobe Illustrator
1 1 (1.56%) Microsoft Project
1 1 (1.56%) Photoshop
Business Applications
1 2 (3.13%) Dynamics CRM
2 1 (1.56%) Oracle SCM
Cloud Services
1 10 (15.63%) npm
2 1 (1.56%) Amazon AWS
Communications & Networking
1 2 (3.13%) HTTP
2 1 (1.56%) Internet
Database & Business Intelligence
1 20 (31.25%) Relational Database
2 18 (28.13%) RDBMS
3 16 (25.00%) SQL Server
4 3 (4.69%) MongoDB
4 3 (4.69%) NoSQL
4 3 (4.69%) SQL Server 2012
5 2 (3.13%) SQL Server Integration Services
5 2 (3.13%) SQL Server Reporting Services
6 1 (1.56%) Couchbase
6 1 (1.56%) CouchDB
6 1 (1.56%) DB2
6 1 (1.56%) PostgreSQL
Development Applications
1 35 (54.69%) Git (software)
2 19 (29.69%) JUnit
3 17 (26.56%) Jenkins
4 16 (25.00%) Gradle
5 15 (23.44%) SonarQube
6 14 (21.88%) gulp
6 14 (21.88%) JProfiler
6 14 (21.88%) Maven
7 9 (14.06%) Grunt
8 8 (12.50%) Eclipse
9 7 (10.94%) IntelliJ
10 5 (7.81%) JIRA
10 5 (7.81%) Octopus Deploy
10 5 (7.81%) TeamCity
11 3 (4.69%) Bitbucket
11 3 (4.69%) Protractor
11 3 (4.69%) Team Foundation Server
11 3 (4.69%) webpack
12 2 (3.13%) Selenium
12 2 (3.13%) Visual Studio
General
1 27 (42.19%) Finance
2 21 (32.81%) Banking
3 1 (1.56%) Retail
3 1 (1.56%) Retail Banking
Job Titles
1 60 (93.75%) Developer
2 27 (42.19%) Java Developer
3 10 (15.63%) .NET Developer
4 9 (14.06%) UI Developer
5 7 (10.94%) Front End Developer (Client-Side Developer)
5 7 (10.94%) JavaScript Developer
6 5 (7.81%) HTML CSS Developer
6 5 (7.81%) HTML Developer
6 5 (7.81%) J2EE Developer
6 5 (7.81%) Java/J2EE Developer
6 5 (7.81%) Senior Developer
7 4 (6.25%) C# .NET Developer
7 4 (6.25%) C# Developer
7 4 (6.25%) SQL Developer
8 3 (4.69%) Agile Developer
8 3 (4.69%) Full Stack Developer
8 3 (4.69%) PHP Developer
8 3 (4.69%) Senior Java Developer
9 2 (3.13%) CRM Developer
9 2 (3.13%) Node.js Developer
Libraries, Frameworks & Software Standards
1 27 (42.19%) Spring
2 24 (37.50%) CSS
2 24 (37.50%) HTML
3 21 (32.81%) Hibernate
4 20 (31.25%) AngularJS
4 20 (31.25%) Web Services
5 19 (29.69%) JPA
6 18 (28.13%) React
7 17 (26.56%) JSON
7 17 (26.56%) REST
8 16 (25.00%) HTML5
9 15 (23.44%) CSS3
9 15 (23.44%) SOAP
10 14 (21.88%) .NET
10 14 (21.88%) RESTful
10 14 (21.88%) Spring Boot
10 14 (21.88%) Twitter Bootstrap
11 13 (20.31%) jQuery
11 13 (20.31%) Node.js
12 12 (18.75%) Ajax
Miscellaneous
1 3 (4.69%) Analytical Skills
1 3 (4.69%) Greenfield Project
1 3 (4.69%) User Experience
2 2 (3.13%) Hybrid Cloud
2 2 (3.13%) Linux Command Line
2 2 (3.13%) Replication
3 1 (1.56%) Public Cloud
3 1 (1.56%) RIA
Operating Systems
1 3 (4.69%) Unix
2 2 (3.13%) Windows
3 1 (1.56%) Apple iOS
3 1 (1.56%) Linux
Processes & Methodologies
1 36 (56.25%) Agile Software Development
2 28 (43.75%) Test Automation
3 27 (42.19%) Unit Testing
4 18 (28.13%) BDD
5 17 (26.56%) OO
6 14 (21.88%) Scrum
7 13 (20.31%) Continuous Integration
7 13 (20.31%) Data Modelling
7 13 (20.31%) MVC
8 9 (14.06%) Responsive Web Design
9 8 (12.50%) Data Protection
9 8 (12.50%) Front End Development
9 8 (12.50%) Performance Optimisation
10 7 (10.94%) DevOps
10 7 (10.94%) Domain-Driven Design
11 6 (9.38%) RAD
12 5 (7.81%) Event-Driven Architecture
12 5 (7.81%) OOP
13 4 (6.25%) Microservices
13 4 (6.25%) Waterfall
Programming Languages
1 33 (51.56%) JavaScript
2 32 (50.00%) Java
3 30 (46.88%) SQL
4 14 (21.88%) C#
5 8 (12.50%) ES6
6 5 (7.81%) PHP
7 4 (6.25%) T-SQL
8 3 (4.69%) TypeScript
9 1 (1.56%) Apple Swift
System Software
1 2 (3.13%) Docker
Systems Management
1 2 (3.13%) Ansible
1 2 (3.13%) Puppet
Vendors
1 23 (35.94%) Perforce
2 19 (29.69%) Oracle
3 6 (9.38%) Microsoft
4 4 (6.25%) DevExpress
5 1 (1.56%) Adobe
5 1 (1.56%) Capita