Period
to 12 December 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 12 December 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
12 Dec 2018
Same period 2017 Same period 2016
Rank 56 33 21
Rank change year-on-year -23 -12 +30
Contract jobs citing TDD 39 66 96
As % of all contract IT jobs advertised in Cheshire 3.14% 4.94% 6.97%
As % of the Processes & Methodologies category 3.64% 5.83% 8.02%
Number of daily rates quoted 31 61 82
Cheshire median daily rate £415 £390 £388
Median daily rate % change year-on-year +6.41% +0.65% +2.65%
10th Percentile £355 £263 £267
90th Percentile £513 £475 £450
North West median daily rate £450 £400 £425
% change year-on-year +12.50% -5.88% +11.11%
Number of hourly rates quoted 2 0 0
Cheshire median hourly rate £45.00 - -
North West median hourly rate £45.00 £43.00 £42.50
% change year-on-year +4.65% +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 1,070 1,133 1,197
As % of all contract IT jobs advertised in Cheshire 86.01% 84.74% 86.87%
Number of daily rates quoted 699 818 862
Cheshire median daily rate £400 £420 £400
Median daily rate % change year-on-year -4.76% +5.00% -5.88%
10th Percentile £265 £258 £235
90th Percentile £538 £625 £600
North West median daily rate £410 £400 £400
% change year-on-year +2.50% - -
Number of hourly rates quoted 66 34 34
Cheshire median hourly rate £17.50 £15.42 £20.14
Median hourly rate % change year-on-year +13.49% -23.45% +13.35%
10th Percentile £13.45 £9.68 £13.00
90th Percentile £44.00 £35.00 £42.48
North West median hourly rate £22.29 £27.00 £22.00
% change year-on-year -17.44% +22.73% -25.98%

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 12 December 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 12 December 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 +5 13 £388 +3.33% 8
Crewe -1 11 £450 +5.88% 2
Warrington -1 7 £480 +28.00% 3
Knutsford -26 2 £388 -13.89% 4
Wilmslow - 2 £388 - 3
TDD
North West

For the 6 months to 12 December 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 24 (61.54%) Agile Software Development
2 20 (51.28%) Java
3 17 (43.59%) C#
4 16 (41.03%) JavaScript
5 14 (35.90%) .NET
6 12 (30.77%) Scrum
7 11 (28.21%) SQL Server
7 11 (28.21%) Microsoft
7 11 (28.21%) Spring
7 11 (28.21%) Git (software)
7 11 (28.21%) Microservices
8 10 (25.64%) Java 8
8 10 (25.64%) Test Automation
8 10 (25.64%) Continuous Integration
8 10 (25.64%) SQL
8 10 (25.64%) MVC
9 9 (23.08%) OO
9 9 (23.08%) BDD
9 9 (23.08%) Node.js
9 9 (23.08%) DevOps
10 8 (20.51%) Unit Testing
10 8 (20.51%) TeamCity
10 8 (20.51%) Web Services
11 7 (17.95%) HTML
11 7 (17.95%) ASP.NET
11 7 (17.95%) CSS
11 7 (17.95%) Python
11 7 (17.95%) ASP.NET Web API
11 7 (17.95%) AngularJS
11 7 (17.95%) Spring Boot

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 4 (10.26%) BizTalk Server
1 4 (10.26%) CMS
1 4 (10.26%) SharePoint
2 3 (7.69%) Umbraco
3 1 (2.56%) Apache
3 1 (2.56%) Apache Spark
3 1 (2.56%) Elasticsearch
Business Applications
1 4 (10.26%) Dynamics CRM
Cloud Services
1 5 (12.82%) Microsoft Azure
2 3 (7.69%) npm
3 2 (5.13%) Amazon AWS
3 2 (5.13%) Yarn
4 1 (2.56%) Cloud Computing
4 1 (2.56%) Dynamics 365
Database & Business Intelligence
1 11 (28.21%) SQL Server
2 2 (5.13%) MongoDB
2 2 (5.13%) QlikView
2 2 (5.13%) SQL Server 2014
2 2 (5.13%) SQL Server Analysis Services
2 2 (5.13%) SQL Server Reporting Services
3 1 (2.56%) Big Data
3 1 (2.56%) Hadoop
3 1 (2.56%) NoSQL
3 1 (2.56%) Relational Database
Development Applications
1 11 (28.21%) Git (software)
2 8 (20.51%) TeamCity
3 6 (15.38%) Octopus Deploy
3 6 (15.38%) Selenium
3 6 (15.38%) Visual Studio
4 5 (12.82%) gulp
5 4 (10.26%) Bitbucket
5 4 (10.26%) Jenkins
6 3 (7.69%) IntelliJ
6 3 (7.69%) Maven
6 3 (7.69%) webpack
7 2 (5.13%) Gradle
7 2 (5.13%) JUnit
7 2 (5.13%) Plastic SCM
7 2 (5.13%) WebDriver
8 1 (2.56%) Ant
8 1 (2.56%) Babel
8 1 (2.56%) Eclipse
8 1 (2.56%) Grunt
8 1 (2.56%) Mocha
General
1 2 (5.13%) Finance
1 2 (5.13%) Front Office
2 1 (2.56%) Back Office
2 1 (2.56%) Banking
2 1 (2.56%) Retail
Job Titles
1 35 (89.74%) Developer
2 16 (41.03%) Java Developer
3 8 (20.51%) .NET Developer
4 6 (15.38%) C# .NET Developer
4 6 (15.38%) C# Developer
5 5 (12.82%) ASP.NET Developer
5 5 (12.82%) ASP.NET MVC Developer
5 5 (12.82%) C# ASP.NET Developer
6 4 (10.26%) Analyst
6 4 (10.26%) CRM Developer
6 4 (10.26%) Dynamics CRM Developer
6 4 (10.26%) Full Stack Developer
7 3 (7.69%) AWS Developer
8 2 (5.13%) Agile Developer
8 2 (5.13%) Agile Java Developer
8 2 (5.13%) Analyst Developer
8 2 (5.13%) PHP Developer
9 1 (2.56%) HTML Developer
9 1 (2.56%) Lead Test Analyst
9 1 (2.56%) Python Developer
Libraries, Frameworks & Software Standards
1 14 (35.90%) .NET
2 11 (28.21%) Spring
3 9 (23.08%) Node.js
4 8 (20.51%) Web Services
5 7 (17.95%) AngularJS
5 7 (17.95%) ASP.NET
5 7 (17.95%) ASP.NET Web API
5 7 (17.95%) CSS
5 7 (17.95%) HTML
5 7 (17.95%) Spring Boot
6 6 (15.38%) .NET Framework
6 6 (15.38%) React
6 6 (15.38%) SOAP
7 5 (12.82%) ASP.NET MVC
7 5 (12.82%) Redux
7 5 (12.82%) RESTful
8 4 (10.26%) Entity Framework
8 4 (10.26%) Hibernate
8 4 (10.26%) JSON
8 4 (10.26%) Kafka
Miscellaneous
1 5 (12.82%) Enterprise Software
2 4 (10.26%) Analytical Skills
2 4 (10.26%) User Experience
3 2 (5.13%) Data Structures
3 2 (5.13%) Equities
4 1 (2.56%) Fintech
4 1 (2.56%) Mobile App
4 1 (2.56%) Mobile Banking
4 1 (2.56%) Mobile Payment
Operating Systems
1 4 (10.26%) Unix
2 2 (5.13%) Linux
3 1 (2.56%) Android
3 1 (2.56%) Apple iOS
Processes & Methodologies
1 24 (61.54%) Agile Software Development
2 12 (30.77%) Scrum
3 11 (28.21%) Microservices
4 10 (25.64%) Continuous Integration
4 10 (25.64%) MVC
4 10 (25.64%) Test Automation
5 9 (23.08%) BDD
5 9 (23.08%) DevOps
5 9 (23.08%) OO
6 8 (20.51%) Unit Testing
7 7 (17.95%) Deployment Automation
8 6 (15.38%) Pair Programming
9 5 (12.82%) Collaborative Working
9 5 (12.82%) Software Engineering
10 4 (10.26%) Content Management
10 4 (10.26%) Continuous Improvement
10 4 (10.26%) CRM
10 4 (10.26%) Domain-Driven Design
10 4 (10.26%) Refactoring
10 4 (10.26%) Workflow
Programming Languages
1 20 (51.28%) Java
2 17 (43.59%) C#
3 16 (41.03%) JavaScript
4 10 (25.64%) Java 8
4 10 (25.64%) SQL
5 7 (17.95%) Python
6 4 (10.26%) Scala
6 4 (10.26%) TypeScript
7 3 (7.69%) ES6
8 2 (5.13%) PHP
9 1 (2.56%) Apple Swift
9 1 (2.56%) C
9 1 (2.56%) C++
9 1 (2.56%) Groovy
9 1 (2.56%) Kotlin
9 1 (2.56%) Objective-C
9 1 (2.56%) Ruby
Qualifications
1 3 (7.69%) Computer Science Degree
1 3 (7.69%) Degree
System Software
1 1 (2.56%) Docker
Systems Management
1 2 (5.13%) Opscode Chef
1 2 (5.13%) Salt
Vendors
1 11 (28.21%) Microsoft
2 2 (5.13%) SaltStack
2 2 (5.13%) Xamarin
3 1 (2.56%) Cypress Semiconductor
3 1 (2.56%) Google
3 1 (2.56%) Oracle
3 1 (2.56%) Twitter