Period
to 25 May 2019

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 25 May 2019 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
25 May 2019
Same period 2018 Same period 2017
Rank 28 50 25
Rank change year-on-year +22 -25 +5
Contract jobs citing TDD 64 46 64
As % of all contract IT jobs advertised in Cheshire 6.21% 3.50% 5.78%
As % of the Processes & Methodologies category 7.44% 4.05% 6.88%
Number of daily rates quoted 36 33 53
Cheshire median daily rate £423 £350 £425
Median daily rate % change year-on-year +20.71% -17.65% +1.49%
10th Percentile £285 £250 £340
90th Percentile £539 £468 £525
North West median daily rate £425 £400 £410
% change year-on-year +6.25% -2.44% +2.50%
Number of hourly rates quoted 0 0 1
Cheshire median hourly rate - - £50.00
North West median hourly rate - - £50.00

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 860 1,137 930
As % of all contract IT jobs advertised in Cheshire 83.50% 86.53% 83.94%
Number of daily rates quoted 531 729 647
Cheshire median daily rate £400 £400 £400
10th Percentile £250 £258 £234
90th Percentile £588 £550 £525
North West median daily rate £425 £400 £400
% change year-on-year +6.25% - -
Number of hourly rates quoted 26 45 45
Cheshire median hourly rate £19.27 £17.50 £30.00
Median hourly rate % change year-on-year +10.13% -41.67% +57.89%
10th Percentile £15.58 £10.77 £14.85
90th Percentile £41.62 £55.25 £55.00
North West median hourly rate £25.50 £23.20 £35.50
% change year-on-year +9.91% -34.65% +9.23%

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 25 May 2019.

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 25 May 2019. 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 +15 33 £420 +6.33%
Chester +19 9 £563 +52.03% 4
Warrington +9 3 £225 -12.20% 4
Crewe -7 2 £410 -18.00% 2
Northwich - 1 £375 - 3
TDD
North West

For the 6 months to 25 May 2019, 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 49 (76.56%) Agile Software Development
2 35 (54.69%) Test Automation
3 30 (46.88%) AngularJS
4 28 (43.75%) BDD
5 27 (42.19%) Git (software)
5 27 (42.19%) JavaScript
5 27 (42.19%) React
6 24 (37.50%) Amazon AWS
7 23 (35.94%) Finance
8 22 (34.38%) CSS
9 21 (32.81%) Web Services
9 21 (32.81%) Java
9 21 (32.81%) REST
9 21 (32.81%) Deployment Automation
10 20 (31.25%) Python
11 19 (29.69%) JSON
11 19 (29.69%) Twitter Bootstrap
11 19 (29.69%) Microservices
12 17 (26.56%) HTML
13 16 (25.00%) SQL
13 16 (25.00%) Spring
13 16 (25.00%) MongoDB
14 15 (23.44%) Node.js
14 15 (23.44%) Jenkins
14 15 (23.44%) Software Engineering
15 14 (21.88%) Continuous Integration
15 14 (21.88%) Hibernate
15 14 (21.88%) Public Cloud
16 13 (20.31%) Sass
17 12 (18.75%) Vue.js

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 8 (12.50%) JBoss
1 8 (12.50%) Tomcat
1 8 (12.50%) WebSphere
Cloud Services
1 24 (37.50%) Amazon AWS
2 5 (7.81%) npm
Communications & Networking
1 6 (9.38%) HTTP
2 2 (3.13%) Intranet
Database & Business Intelligence
1 16 (25.00%) MongoDB
2 8 (12.50%) DB2
2 8 (12.50%) Relational Database
3 5 (7.81%) RDBMS
3 5 (7.81%) SQL Server
4 1 (1.56%) MariaDB
Development Applications
1 27 (42.19%) Git (software)
2 15 (23.44%) Jenkins
3 9 (14.06%) IntelliJ
4 7 (10.94%) JUnit
4 7 (10.94%) Mockito
5 6 (9.38%) Bitbucket
5 6 (9.38%) Gradle
6 5 (7.81%) Babel
6 5 (7.81%) Subversion
6 5 (7.81%) webpack
7 4 (6.25%) Cucumber
7 4 (6.25%) JIRA
7 4 (6.25%) Selenium
7 4 (6.25%) WebDriver
8 1 (1.56%) Android Studio
8 1 (1.56%) Visual Studio
General
1 23 (35.94%) Finance
2 9 (14.06%) Banking
3 1 (1.56%) Electronics
3 1 (1.56%) Manufacturing
3 1 (1.56%) Marketing
3 1 (1.56%) Telecoms
Job Titles
1 25 (39.06%) Developer
2 11 (17.19%) Analyst
3 6 (9.38%) C# Developer
3 6 (9.38%) Designer
3 6 (9.38%) Test Analyst
4 5 (7.81%) Architect
4 5 (7.81%) Business Analyst
4 5 (7.81%) Java Developer
5 4 (6.25%) Automation Tester
5 4 (6.25%) Selenium Automation Tester
5 4 (6.25%) Selenium Tester
5 4 (6.25%) Tester
5 4 (6.25%) Web Developer
6 3 (4.69%) Agile Business Analyst
6 3 (4.69%) Angular Developer
6 3 (4.69%) Cloud Architect
6 3 (4.69%) Cloud Developer
6 3 (4.69%) Full Stack Developer
6 3 (4.69%) Java Engineer
6 3 (4.69%) UI Engineer
Libraries, Frameworks & Software Standards
1 30 (46.88%) AngularJS
2 27 (42.19%) React
3 22 (34.38%) CSS
4 21 (32.81%) REST
4 21 (32.81%) Web Services
5 19 (29.69%) JSON
5 19 (29.69%) Twitter Bootstrap
6 17 (26.56%) HTML
7 16 (25.00%) Spring
8 15 (23.44%) Node.js
9 14 (21.88%) Hibernate
10 13 (20.31%) Sass
11 12 (18.75%) SOAP
11 12 (18.75%) Vue.js
12 10 (15.63%) Gherkin
12 10 (15.63%) HTML5
12 10 (15.63%) Spring Boot
13 9 (14.06%) CSS3
13 9 (14.06%) Django
13 9 (14.06%) Flask
Miscellaneous
1 14 (21.88%) Public Cloud
2 9 (14.06%) Enterprise Software
3 6 (9.38%) Mainframe
4 5 (7.81%) Virtual Team
5 2 (3.13%) Tandem
6 1 (1.56%) Data Structures
Operating Systems
1 10 (15.63%) Linux
2 4 (6.25%) Red Hat Enterprise Linux
3 1 (1.56%) Android
Processes & Methodologies
1 49 (76.56%) Agile Software Development
2 35 (54.69%) Test Automation
3 28 (43.75%) BDD
4 21 (32.81%) Deployment Automation
5 19 (29.69%) Microservices
6 15 (23.44%) Software Engineering
7 14 (21.88%) Continuous Integration
8 10 (15.63%) DevOps
9 9 (14.06%) OO
9 9 (14.06%) Problem-Solving
9 9 (14.06%) Scrum
9 9 (14.06%) Unit Testing
10 8 (12.50%) Investment Management
10 8 (12.50%) MVC
10 8 (12.50%) SOLID
11 6 (9.38%) API Design
11 6 (9.38%) Infrastructure as Code
11 6 (9.38%) MVVM
11 6 (9.38%) Non-Functional Testing
11 6 (9.38%) Sprint Planning
Programming Languages
1 27 (42.19%) JavaScript
2 21 (32.81%) Java
3 20 (31.25%) Python
4 16 (25.00%) SQL
5 9 (14.06%) C#
6 7 (10.94%) Groovy
6 7 (10.94%) Java 8
7 5 (7.81%) ES6
8 1 (1.56%) Kotlin
8 1 (1.56%) PHP
8 1 (1.56%) T-SQL
Qualifications
1 2 (3.13%) AWS Certification
1 2 (3.13%) Security Cleared
2 1 (1.56%) Degree
2 1 (1.56%) SC Cleared
Quality Assurance & Compliance
1 6 (9.38%) QA
System Software
1 9 (14.06%) Docker
Systems Management
1 9 (14.06%) Kubernetes
2 5 (7.81%) Opscode Chef
3 4 (6.25%) HP Quality Center
4 3 (4.69%) Ansible
4 3 (4.69%) Puppet
Vendors
1 9 (14.06%) Oracle
2 4 (6.25%) HP
2 4 (6.25%) Microsoft
2 4 (6.25%) Red Hat
3 1 (1.56%) SAP