Period
to 18 October 2018

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 18 October 2018 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
18 Oct 2018
Same period 2017 Same period 2016
Rank 49 35 18
Rank change year-on-year -14 -17 +33
Contract jobs citing TDD 48 57 130
As % of all contract IT jobs advertised in Cheshire 3.66% 4.47% 8.15%
As % of the Processes & Methodologies category 4.24% 5.35% 9.31%
Number of daily rates quoted 37 50 103
Cheshire median daily rate £420 £400 £400
Median daily rate % change year-on-year +5.00% - +5.96%
10th Percentile £360 £326 £269
90th Percentile £505 £475 £498
North West median daily rate £430 £400 £425
% change year-on-year +7.50% -5.88% +13.33%
Number of hourly rates quoted 1 0 0
Cheshire median hourly rate £45.00 - -
North West median hourly rate £45.00 £46.25 £42.50
% change year-on-year -2.70% +8.82% -

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 1,132 1,066 1,396
As % of all contract IT jobs advertised in Cheshire 86.35% 83.54% 87.47%
Number of daily rates quoted 756 773 996
Cheshire median daily rate £400 £410 £410
Median daily rate % change year-on-year -2.44% - -1.20%
10th Percentile £280 £263 £256
90th Percentile £538 £575 £600
North West median daily rate £400 £400 £400
Number of hourly rates quoted 71 46 34
Cheshire median hourly rate £19.00 £21.50 £16.00
Median hourly rate % change year-on-year -11.63% +34.38% -8.57%
10th Percentile £13.45 £11.25 £13.00
90th Percentile £45.00 £46.88 £33.75
North West median hourly rate £22.43 £30.00 £21.00
% change year-on-year -25.23% +42.86% -29.33%

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 18 October 2018.

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 18 October 2018. 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
Chester +9 20 £400 +6.67% 8
Crewe -10 11 £450 +20.00% 3
Warrington -9 5 £480 +32.41% 8
Knutsford -22 2 £375 -16.67% 4
Wilmslow - 2 £388 - 3
TDD
North West

For the 6 months to 18 October 2018, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Cheshire region with a requirement for TDD.

1 29 (60.42%) Java
2 24 (50.00%) Agile Software Development
3 17 (35.42%) Python
4 16 (33.33%) C#
5 14 (29.17%) SQL
6 13 (27.08%) .NET
7 12 (25.00%) JavaScript
7 12 (25.00%) Unix
7 12 (25.00%) OO
7 12 (25.00%) Git (software)
8 11 (22.92%) Scala
8 11 (22.92%) Spring
8 11 (22.92%) Continuous Integration
8 11 (22.92%) Opscode Chef
8 11 (22.92%) Microservices
9 10 (20.83%) DevOps
9 10 (20.83%) Java 8
10 9 (18.75%) SaltStack
10 9 (18.75%) Salt
10 9 (18.75%) Node.js
10 9 (18.75%) Microsoft
10 9 (18.75%) SQL Server
10 9 (18.75%) MVC
11 8 (16.67%) Scrum
11 8 (16.67%) Test Automation
11 8 (16.67%) Unit Testing
11 8 (16.67%) BDD
11 8 (16.67%) AngularJS
11 8 (16.67%) Spring Boot
12 7 (14.58%) SOAP

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 3 (6.25%) BizTalk Server
1 3 (6.25%) CMS
1 3 (6.25%) SharePoint
1 3 (6.25%) Umbraco
2 2 (4.17%) Confluence
3 1 (2.08%) Apache
3 1 (2.08%) Apache Spark
Business Applications
1 3 (6.25%) Dynamics CRM
Cloud Services
1 5 (10.42%) Amazon AWS
1 5 (10.42%) Microsoft Azure
2 3 (6.25%) npm
3 2 (4.17%) Amazon EC2
3 2 (4.17%) Amazon S3
3 2 (4.17%) Yarn
4 1 (2.08%) Cloud Computing
4 1 (2.08%) Dynamics 365
Communications & Networking
1 1 (2.08%) HTTP
Database & Business Intelligence
1 9 (18.75%) SQL Server
2 2 (4.17%) NoSQL
2 2 (4.17%) SQL Server 2014
3 1 (2.08%) Amazon Redshift
3 1 (2.08%) Big Data
3 1 (2.08%) Hadoop
3 1 (2.08%) MongoDB
3 1 (2.08%) QlikView
3 1 (2.08%) Relational Database
3 1 (2.08%) SQL Server Analysis Services
3 1 (2.08%) SQL Server Reporting Services
Development Applications
1 12 (25.00%) Git (software)
2 6 (12.50%) TeamCity
3 5 (10.42%) Jenkins
3 5 (10.42%) Selenium
4 4 (8.33%) gulp
4 4 (8.33%) Octopus Deploy
4 4 (8.33%) Visual Studio
5 3 (6.25%) Bitbucket
5 3 (6.25%) IntelliJ
5 3 (6.25%) JIRA
5 3 (6.25%) JUnit
5 3 (6.25%) Maven
5 3 (6.25%) webpack
6 2 (4.17%) CA Release Automation
6 2 (4.17%) Sonatype Nexus
6 2 (4.17%) Subversion
6 2 (4.17%) WebDriver
7 1 (2.08%) Cucumber
7 1 (2.08%) Mercurial
7 1 (2.08%) Mocha
General
1 3 (6.25%) Finance
2 2 (4.17%) Front Office
3 1 (2.08%) Back Office
3 1 (2.08%) Banking
3 1 (2.08%) Financial Institution
3 1 (2.08%) Law
3 1 (2.08%) Retail
Job Titles
1 43 (89.58%) Developer
2 26 (54.17%) Java Developer
3 9 (18.75%) .NET Developer
4 6 (12.50%) C# .NET Developer
4 6 (12.50%) C# Developer
4 6 (12.50%) Full Stack Developer
5 5 (10.42%) ASP.NET Developer
5 5 (10.42%) ASP.NET MVC Developer
5 5 (10.42%) C# ASP.NET Developer
6 3 (6.25%) AWS Developer
6 3 (6.25%) CRM Developer
6 3 (6.25%) Dynamics CRM Developer
7 2 (4.17%) Agile Developer
7 2 (4.17%) Agile Java Developer
7 2 (4.17%) Analyst
7 2 (4.17%) Lead Developer
7 2 (4.17%) PHP Developer
7 2 (4.17%) Senior Developer
7 2 (4.17%) Senior Java Developer
8 1 (2.08%) Test Analyst
Libraries, Frameworks & Software Standards
1 13 (27.08%) .NET
2 11 (22.92%) Spring
3 9 (18.75%) Node.js
4 8 (16.67%) AngularJS
4 8 (16.67%) Spring Boot
5 7 (14.58%) SOAP
5 7 (14.58%) Web Services
6 6 (12.50%) ASP.NET
6 6 (12.50%) HTML
6 6 (12.50%) JSON
6 6 (12.50%) RESTful
6 6 (12.50%) XML
7 5 (10.42%) .NET Framework
7 5 (10.42%) ASP.NET MVC
7 5 (10.42%) ASP.NET Web API
7 5 (10.42%) Dropwizard
7 5 (10.42%) React
7 5 (10.42%) Redux
7 5 (10.42%) REST
8 4 (8.33%) Kafka
Miscellaneous
1 5 (10.42%) Enterprise Software
2 2 (4.17%) Analytical Skills
2 2 (4.17%) Computer Science
2 2 (4.17%) Data Structures
2 2 (4.17%) Equities
2 2 (4.17%) User Experience
3 1 (2.08%) Fintech
3 1 (2.08%) Mobile App
3 1 (2.08%) Mobile Payment
Operating Systems
1 12 (25.00%) Unix
2 4 (8.33%) Linux
3 1 (2.08%) Android
Processes & Methodologies
1 24 (50.00%) Agile Software Development
2 12 (25.00%) OO
3 11 (22.92%) Continuous Integration
3 11 (22.92%) Microservices
4 10 (20.83%) DevOps
5 9 (18.75%) MVC
6 8 (16.67%) BDD
6 8 (16.67%) Scrum
6 8 (16.67%) Test Automation
6 8 (16.67%) Unit Testing
7 6 (12.50%) Deployment Automation
7 6 (12.50%) Pair Programming
8 5 (10.42%) Software Engineering
9 4 (8.33%) Collaborative Working
9 4 (8.33%) Domain-Driven Design
9 4 (8.33%) OOD
9 4 (8.33%) OOP
10 3 (6.25%) Continuous Delivery
10 3 (6.25%) Continuous Improvement
10 3 (6.25%) SOLID
Programming Languages
1 29 (60.42%) Java
2 17 (35.42%) Python
3 16 (33.33%) C#
4 14 (29.17%) SQL
5 12 (25.00%) JavaScript
6 11 (22.92%) Scala
7 10 (20.83%) Java 8
8 4 (8.33%) TypeScript
9 3 (6.25%) ES6
10 2 (4.17%) PHP
11 1 (2.08%) Groovy
11 1 (2.08%) Perl
11 1 (2.08%) Shell Script
11 1 (2.08%) Tcl
Qualifications
1 2 (4.17%) Computer Science Degree
1 2 (4.17%) Degree
2 1 (2.08%) BPSS Clearance
System Software
1 1 (2.08%) Docker
Systems Management
1 11 (22.92%) Opscode Chef
2 9 (18.75%) Salt
Vendors
1 9 (18.75%) Microsoft
1 9 (18.75%) SaltStack
2 2 (4.17%) Google
2 2 (4.17%) Oracle
2 2 (4.17%) Twitter
3 1 (2.08%) Cypress Semiconductor
3 1 (2.08%) Sybase
3 1 (2.08%) Xamarin