Period
to 18 September 2018

The following table provides summary statistics for contract job vacancies advertised in Crewe 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 September 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)
Cheshire > Crewe
6 months to
18 Sep 2018
Same period 2017 Same period 2016
Rank 23 9 -
Rank change year-on-year -14 - +25
Contract jobs citing TDD 9 4 0
As % of all contract IT jobs advertised in Crewe 5.06% 8.00% -
As % of the Processes & Methodologies category 5.56% 9.30% -
Number of daily rates quoted 8 4 0
Crewe median daily rate £435 £375 -
Median daily rate % change year-on-year +16.00% - -
Cheshire median daily rate £409 £400 £400
% change year-on-year +2.19% - +6.67%
Number of hourly rates quoted 0 0 0
Crewe median hourly rate - - -
Cheshire median hourly rate £45.00 - -

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 Crewe with a requirement for process or methodology skills.

All Process and Methodology Skills
Crewe
Contract vacancies with a requirement for process or methodology skills 162 43 20
As % of all contract IT jobs advertised in Crewe 91.01% 86.00% 58.82%
Number of daily rates quoted 134 34 13
Crewe median daily rate £438 £400 £275
Median daily rate % change year-on-year +9.38% +45.45% -15.38%
10th Percentile £314 £225 £100
90th Percentile £575 £500 £468
Cheshire median daily rate £400 £400 £413
% change year-on-year - -3.03% -
Number of hourly rates quoted 4 1 3
Crewe median hourly rate £22.50 £24.00 £14.50
Median hourly rate % change year-on-year -6.25% +65.52% -12.55%
10th Percentile £20.00 £22.00 £13.75
90th Percentile £37.25 £26.00 £38.05
Cheshire median hourly rate £17.50 £19.00 £17.00
% change year-on-year -7.89% +11.76% -

TDD
Job Vacancy Trend in Crewe

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

Job vacancy trend for TDD in Crewe

TDD
Contractor Daily Rate Trend in Crewe

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

Contractor daily rate trend for TDD in Crewe

For the 6 months to 18 September 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 Crewe region with a requirement for TDD.

1 9 (100.00%) Java
1 9 (100.00%) Agile Software Development
2 8 (88.89%) Java 8
3 6 (66.67%) Microservices
4 5 (55.56%) DevOps
4 5 (55.56%) Node.js
4 5 (55.56%) Spring
4 5 (55.56%) Spring Boot
5 4 (44.44%) Dropwizard
5 4 (44.44%) Microsoft Azure
6 3 (33.33%) OO
7 2 (22.22%) IntelliJ
7 2 (22.22%) Amazon AWS
7 2 (22.22%) Continuous Integration
7 2 (22.22%) RESTful
7 2 (22.22%) Hibernate
8 1 (11.11%) Redux
8 1 (11.11%) API Development
8 1 (11.11%) Fintech
8 1 (11.11%) React
8 1 (11.11%) Continuous Delivery
8 1 (11.11%) webpack
8 1 (11.11%) Web Design
8 1 (11.11%) HTML
8 1 (11.11%) REST
8 1 (11.11%) High Availability
8 1 (11.11%) CSS3
8 1 (11.11%) Responsive Web Design
8 1 (11.11%) Kafka
8 1 (11.11%) Low Latency

TDD
Co-occurring IT Skills in Crewe 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:

Cloud Services
1 4 (44.44%) Microsoft Azure
2 2 (22.22%) Amazon AWS
Development Applications
1 2 (22.22%) IntelliJ
2 1 (11.11%) webpack
General
1 1 (11.11%) Finance
Job Titles
1 9 (100.00%) Developer
1 9 (100.00%) Java Developer
2 2 (22.22%) Agile Developer
2 2 (22.22%) Agile Java Developer
2 2 (22.22%) AWS Developer
3 1 (11.11%) Full Stack Developer
3 1 (11.11%) Node.js Developer
Libraries, Frameworks & Software Standards
1 5 (55.56%) Node.js
1 5 (55.56%) Spring
1 5 (55.56%) Spring Boot
2 4 (44.44%) Dropwizard
3 2 (22.22%) Hibernate
3 2 (22.22%) RESTful
4 1 (11.11%) CSS
4 1 (11.11%) CSS3
4 1 (11.11%) HTML
4 1 (11.11%) HTML5
4 1 (11.11%) Kafka
4 1 (11.11%) React
4 1 (11.11%) Redux
4 1 (11.11%) REST
4 1 (11.11%) Web Services
Miscellaneous
1 1 (11.11%) Fintech
Processes & Methodologies
1 9 (100.00%) Agile Software Development
2 6 (66.67%) Microservices
3 5 (55.56%) DevOps
4 3 (33.33%) OO
5 2 (22.22%) Continuous Integration
6 1 (11.11%) API Development
6 1 (11.11%) BDD
6 1 (11.11%) Continuous Delivery
6 1 (11.11%) High Availability
6 1 (11.11%) Low Latency
6 1 (11.11%) Open Source
6 1 (11.11%) Responsive Web Design
6 1 (11.11%) Web Design
Programming Languages
1 9 (100.00%) Java
2 8 (88.89%) Java 8
3 1 (11.11%) JavaScript
System Software
1 1 (11.11%) Docker