The table below looks at the statistics for TDD skills in IT contracts advertised for the Chester region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 24 February 2017 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
24 Feb 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Cheshire / Chester
Rank 7 19 21
Rank change year-on-year
+12 +2
Contract jobs citing TDD 13 7 6
As % of all contract IT jobs located in Chester 13.98% 5.60% 4.11%
As % of the Processes & Methodologies category 20.00% 6.60% 5.00%
Number of daily rates quoted 12 5 5
Median daily rate £438 £405 £350
Median daily rate % change year-on-year
+8.02% +15.71%
90% offered a daily rate of more than £426 £335 £295
10% offered a daily rate of more than £500 £417 £365
UK excluding London median daily rate £419 £400 £375
% change year-on-year
+4.62% +6.66%
Number of hourly rates quoted 1 0 0
Median hourly rate £50.00 - -
UK excluding London median hourly rate £39.00 £40.00 £34.50
% change year-on-year
-2.50% +15.94%

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the Chester region.

Processes & Methodologies Category
Chester
Contract IT job ads with a match in the
Processes & Methodologies category
65 106 120
As % of all contract IT jobs located in Chester 69.89% 84.80% 82.19%
Number of daily rates quoted 55 77 77
Median daily rate £430 £375 £400
Median daily rate % change year-on-year
+14.66% -6.25%
90% offered a daily rate of more than £268 £242 £290
10% offered a daily rate of more than £500 £475 £600
UK excluding London median daily rate £408 £400 £400
% change year-on-year
+1.87% -
Number of hourly rates quoted 6 14 13
Median hourly rate £32.56 £25.00 £45.00
Median hourly rate % change year-on-year
+30.22% -44.44%
90% offered a hourly rate of more than £17.00 £16.84 £18.00
10% offered a hourly rate of more than £50.00 £35.00 £55.00
UK excluding London median hourly rate £36.00 £40.00 £27.50
% change year-on-year
-10.00% +45.45%

TDD
Jobs Demand Trend in Chester

The demand trend of contract jobs across the Chester region citing TDD as a proportion of all IT contracts with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Chester

TDD
Daily Rate Trend in Chester

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing TDD across the Chester region.

TDD Daily Rate Trend in Chester

TDD
Daily Rate Histogram in Chester

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Chester region over the 3 months to 24 February 2017.

TDD Daily Rate Histogram in Chester

TDD
Top 30 Related IT Skills in Chester

For the 6 months to 24 February 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 Chester region with a requirement for TDD.

1 20 (90.91%) Agile Software Development
2 19 (86.36%) Java
3 16 (72.73%) OO
4 10 (45.45%) Web Services
5 8 (36.36%) J2EE
6 7 (31.82%) OOP
6 7 (31.82%) Unit Testing
6 7 (31.82%) Microservices
7 6 (27.27%) High Availability
7 6 (27.27%) Amazon AWS
7 6 (27.27%) NoSQL
7 6 (27.27%) Finance
7 6 (27.27%) Python
7 6 (27.27%) SQL
8 5 (22.73%) Derivative
8 5 (22.73%) Apache Camel
8 5 (22.73%) OTC Derivatives
9 4 (18.18%) RESTful
9 4 (18.18%) Scrum
9 4 (18.18%) Banking
9 4 (18.18%) Back Office
9 4 (18.18%) C#
10 3 (13.64%) JBoss
10 3 (13.64%) E-Commerce
10 3 (13.64%) Spring
10 3 (13.64%) Software Engineering
10 3 (13.64%) Computer Science
10 3 (13.64%) Continuous Integration
10 3 (13.64%) Open Source
10 3 (13.64%) REST

TDD
Top Related IT Skills in Chester 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 (13.64%) JBoss
2 2 (9.09%) GlassFish
2 2 (9.09%) Tomcat
2 2 (9.09%) WebLogic
2 2 (9.09%) WebSphere
3 1 (4.55%) SharePoint
Business Applications
1 1 (4.55%) Dynamics CRM
Cloud Services
1 6 (27.27%) Amazon AWS
Communications & Networking
1 1 (4.55%) Internet
Database & Business Intelligence
1 6 (27.27%) NoSQL
2 2 (9.09%) MongoDB
3 1 (4.55%) Apache Cassandra
3 1 (4.55%) Neo4j
3 1 (4.55%) SQL Server
Development Applications
1 2 (9.09%) Git (software)
2 1 (4.55%) Jenkins
2 1 (4.55%) LoadRunner
2 1 (4.55%) Selenium
2 1 (4.55%) Team Foundation Server
General
1 6 (27.27%) Finance
2 4 (18.18%) Back Office
2 4 (18.18%) Banking
Job Titles
1 7 (31.82%) Developer
2 6 (27.27%) Technical Leader
3 5 (22.73%) Architect
3 5 (22.73%) Java Architect
3 5 (22.73%) Java Developer
3 5 (22.73%) Java Technical Architect
3 5 (22.73%) Lead Architect
3 5 (22.73%) Technical Architect
4 3 (13.64%) Software Engineer
5 1 (4.55%) Agile Developer
5 1 (4.55%) Agile Java Developer
5 1 (4.55%) Analyst
5 1 (4.55%) C# Software Engineer
5 1 (4.55%) C++ Software Engineer
5 1 (4.55%) CRM Developer
5 1 (4.55%) Dynamics CRM Developer
5 1 (4.55%) Front End Developer (Client-Side Developer)
5 1 (4.55%) MongoDB Developer
5 1 (4.55%) Senior Software Engineer
5 1 (4.55%) Test Analyst
Libraries, Frameworks & Software Standards
1 10 (45.45%) Web Services
2 8 (36.36%) J2EE
3 5 (22.73%) Apache Camel
4 4 (18.18%) RESTful
5 3 (13.64%) REST
5 3 (13.64%) Spring
6 2 (9.09%) JSON
6 2 (9.09%) JSTL
6 2 (9.09%) Node.js
6 2 (9.09%) SOAP
6 2 (9.09%) Struts
6 2 (9.09%) XML
7 1 (4.55%) .NET
7 1 (4.55%) AngularJS
7 1 (4.55%) ASP.NET
7 1 (4.55%) ASP.NET MVC
7 1 (4.55%) CSS
7 1 (4.55%) CSS3
7 1 (4.55%) HTML
7 1 (4.55%) HTML5
Miscellaneous
1 5 (22.73%) Derivative
1 5 (22.73%) OTC Derivatives
2 3 (13.64%) Computer Science
3 1 (4.55%) Data Structures
3 1 (4.55%) Enterprise Software
3 1 (4.55%) Foreign Exchange (FX)
3 1 (4.55%) RIA
3 1 (4.55%) User Experience
Processes & Methodologies
1 20 (90.91%) Agile Software Development
2 16 (72.73%) OO
3 7 (31.82%) Microservices
3 7 (31.82%) OOP
3 7 (31.82%) Unit Testing
4 6 (27.27%) High Availability
5 4 (18.18%) Scrum
6 3 (13.64%) Continuous Integration
6 3 (13.64%) E-Commerce
6 3 (13.64%) Open Source
6 3 (13.64%) Software Engineering
7 2 (9.09%) BDD
7 2 (9.09%) DevOps
7 2 (9.09%) Mathematics
7 2 (9.09%) MVC
7 2 (9.09%) RAD
7 2 (9.09%) RUP
7 2 (9.09%) Test Scripting
7 2 (9.09%) Validation
7 2 (9.09%) Waterfall
Programming Languages
1 19 (86.36%) Java
2 6 (27.27%) Python
2 6 (27.27%) SQL
3 4 (18.18%) C#
4 2 (9.09%) Groovy
4 2 (9.09%) JavaScript
5 1 (4.55%) C++
Qualifications
1 2 (9.09%) Degree
2 1 (4.55%) SC Cleared
2 1 (4.55%) Security Cleared
Quality Assurance & Compliance
1 1 (4.55%) QA
Vendors
1 2 (9.09%) hybris
2 1 (4.55%) Microsoft
2 1 (4.55%) Telerik