Period
to 23 November 2017

The following table provides summary statistics for contract job vacancies advertised in Knutsford 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 23 November 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)
Cheshire > Knutsford
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 7 8 16
Rank change year-on-year +1 +8 -
Contract jobs citing TDD 26 9 17
As % of all contract IT jobs advertised in Knutsford 15.48% 10.47% 7.39%
As % of the Processes & Methodologies category 17.81% 13.04% 10.30%
Number of daily rates quoted 24 7 10
Knutsford median daily rate £438 £425 £388
Median daily rate % change year-on-year +2.94% +9.68% -
10th Percentile £327 £379 £362
90th Percentile £475 £470 £407
Cheshire median daily rate £400 £388 £375
% change year-on-year +3.23% +3.33% -
Number of hourly rates quoted 0 0 0
Knutsford median hourly rate - - -
Cheshire median hourly rate - - -

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 Knutsford with a requirement for process or methodology skills.

All Process and Methodology Skills
Knutsford
Contract vacancies with a requirement for process or methodology skills 146 69 165
As % of all contract IT jobs advertised in Knutsford 86.90% 80.23% 71.74%
Number of daily rates quoted 85 42 122
Knutsford median daily rate £385 £425 £423
Median daily rate % change year-on-year -9.41% +0.59% +0.72%
10th Percentile £280 £310 £289
90th Percentile £488 £474 £521
Cheshire median daily rate £420 £400 £425
% change year-on-year +5.00% -5.88% +8.97%
Number of hourly rates quoted 0 2 2
Knutsford median hourly rate - £9.00 £15.77
Median hourly rate % change year-on-year - -42.93% -
Cheshire median hourly rate £13.00 £19.63 £17.50
% change year-on-year -33.76% +12.14% -2.86%

TDD
Job Vacancy Trend in Knutsford

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

Job vacancy trend for TDD in Knutsford

TDD
Contractor Daily Rate Trend in Knutsford

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

Contractor daily rate trend for TDD in Knutsford

TDD
Contractor Daily Rate Histogram in Knutsford

The daily rate distribution of IT jobs citing TDD in Knutsford over the 6 months to 23 November 2017.

Contractor daily rate histogram for TDD in Knutsford

For the 6 months to 23 November 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 Knutsford region with a requirement for TDD.

1 22 (84.62%) Test Automation
2 21 (80.77%) Unit Testing
2 21 (80.77%) Git (software)
3 20 (76.92%) Perforce
4 15 (57.69%) Java
4 15 (57.69%) Agile Software Development
5 14 (53.85%) Spring
6 13 (50.00%) Banking
6 13 (50.00%) Oracle
6 13 (50.00%) JUnit
6 13 (50.00%) Web Services
6 13 (50.00%) OO
6 13 (50.00%) Hibernate
6 13 (50.00%) Finance
6 13 (50.00%) Relational Database
7 12 (46.15%) SonarQube
7 12 (46.15%) Spring Boot
7 12 (46.15%) REST
7 12 (46.15%) RDBMS
7 12 (46.15%) Data Modelling
7 12 (46.15%) HTML
7 12 (46.15%) SOAP
7 12 (46.15%) SQL
7 12 (46.15%) JPA
8 11 (42.31%) Java EE
8 11 (42.31%) BDD
9 10 (38.46%) CSS3
9 10 (38.46%) JSON
9 10 (38.46%) HTML5
9 10 (38.46%) JavaScript

TDD
Co-occurring IT Skills in Knutsford 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 1 (3.85%) Confluence
Applications
1 1 (3.85%) Microsoft Project
Business Applications
1 1 (3.85%) Oracle SCM
Cloud Services
1 9 (34.62%) npm
Communications & Networking
1 1 (3.85%) HTTP
1 1 (3.85%) Internet
Database & Business Intelligence
1 13 (50.00%) Relational Database
2 12 (46.15%) RDBMS
3 2 (7.69%) SQL Server
4 1 (3.85%) DB2
4 1 (3.85%) MongoDB
Development Applications
1 21 (80.77%) Git (software)
2 13 (50.00%) JUnit
3 12 (46.15%) SonarQube
4 8 (30.77%) Grunt
4 8 (30.77%) gulp
5 6 (23.08%) Gradle
5 6 (23.08%) Jenkins
6 5 (19.23%) Eclipse
6 5 (19.23%) JProfiler
7 4 (15.38%) IntelliJ
7 4 (15.38%) Maven
8 3 (11.54%) JIRA
9 1 (3.85%) Bitbucket
9 1 (3.85%) Bower
9 1 (3.85%) Broccoli
9 1 (3.85%) Jasmine
9 1 (3.85%) JSHint
9 1 (3.85%) Mocha
9 1 (3.85%) Yeoman
General
1 13 (50.00%) Banking
1 13 (50.00%) Finance
2 1 (3.85%) Retail Banking
Job Titles
1 24 (92.31%) Developer
2 14 (53.85%) Java Developer
3 9 (34.62%) UI Developer
4 1 (3.85%) Agile Business Analyst
4 1 (3.85%) Analyst
4 1 (3.85%) Banking Analyst
4 1 (3.85%) Banking Business Analyst
4 1 (3.85%) Business Analyst
4 1 (3.85%) Front End Developer (Client-Side Developer)
4 1 (3.85%) HTML CSS Developer
4 1 (3.85%) HTML Developer
4 1 (3.85%) iOS Developer
4 1 (3.85%) JavaScript Developer
4 1 (3.85%) Scrum Master
4 1 (3.85%) Senior Developer
4 1 (3.85%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 14 (53.85%) Spring
2 13 (50.00%) Hibernate
2 13 (50.00%) Web Services
3 12 (46.15%) HTML
3 12 (46.15%) JPA
3 12 (46.15%) REST
3 12 (46.15%) SOAP
3 12 (46.15%) Spring Boot
4 11 (42.31%) Java EE
5 10 (38.46%) CSS
5 10 (38.46%) CSS3
5 10 (38.46%) HTML5
5 10 (38.46%) JSON
6 9 (34.62%) Ajax
6 9 (34.62%) Node.js
7 8 (30.77%) Twitter Bootstrap
8 7 (26.92%) React
8 7 (26.92%) Redux
8 7 (26.92%) Sass
9 3 (11.54%) RESTful
Miscellaneous
1 2 (7.69%) User Experience
2 1 (3.85%) RIA
Operating Systems
1 1 (3.85%) Apple iOS
Processes & Methodologies
1 22 (84.62%) Test Automation
2 21 (80.77%) Unit Testing
3 15 (57.69%) Agile Software Development
4 13 (50.00%) OO
5 12 (46.15%) Data Modelling
6 11 (42.31%) BDD
7 8 (30.77%) Performance Optimisation
7 8 (30.77%) Responsive Web Design
8 7 (26.92%) Data Protection
9 6 (23.08%) Scrum
10 5 (19.23%) RAD
11 4 (15.38%) Domain-Driven Design
11 4 (15.38%) Event-Driven Architecture
11 4 (15.38%) OOP
12 2 (7.69%) Continuous Integration
12 2 (7.69%) Kanban
12 2 (7.69%) Microservices
12 2 (7.69%) Mobile Development
12 2 (7.69%) SDLC
12 2 (7.69%) Waterfall
Programming Languages
1 15 (57.69%) Java
2 12 (46.15%) SQL
3 10 (38.46%) JavaScript
4 7 (26.92%) ES6
5 1 (3.85%) Apple Swift
System Software
1 1 (3.85%) Docker
Vendors
1 20 (76.92%) Perforce
2 13 (50.00%) Oracle
3 1 (3.85%) Capita