Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in Peterborough 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 21 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)
Cambridgeshire > Peterborough
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 22 24 28
Rank change year-on-year +2 +4 +8
Contract jobs citing TDD 24 8 9
As % of all contract IT jobs advertised in Peterborough 6.52% 3.54% 3.88%
As % of the Processes & Methodologies category 8.03% 4.55% 5.59%
Number of daily rates quoted 17 4 8
Peterborough median daily rate £330 £288 £375
Median daily rate % change year-on-year +14.78% -23.33% +3.45%
10th Percentile £300 £263 £207
90th Percentile £535 £326 £458
Cambridgeshire median daily rate £363 £381 £403
% change year-on-year -4.92% -5.28% -2.42%
Number of hourly rates quoted 0 0 0
Peterborough median hourly rate - - -
Cambridgeshire median hourly rate - £40.00 £45.00
% change year-on-year - -11.11% -

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 Peterborough with a requirement for process or methodology skills.

All Process and Methodology Skills
Peterborough
Contract vacancies with a requirement for process or methodology skills 299 176 161
As % of all contract IT jobs advertised in Peterborough 81.25% 77.88% 69.40%
Number of daily rates quoted 171 95 86
Peterborough median daily rate £375 £350 £375
Median daily rate % change year-on-year +7.14% -6.67% +15.38%
10th Percentile £255 £183 £198
90th Percentile £475 £488 £575
Cambridgeshire median daily rate £375 £388 £385
% change year-on-year -3.23% +0.65% +6.21%
Number of hourly rates quoted 26 16 29
Peterborough median hourly rate £14.50 £26.88 £12.00
Median hourly rate % change year-on-year -46.05% +123.96% -42.17%
10th Percentile £10.11 £9.00 £10.95
90th Percentile £33.63 £45.63 £24.05
Cambridgeshire median hourly rate £39.00 £37.50 £17.75
% change year-on-year +4.00% +111.27% -35.45%

TDD
Job Vacancy Trend in Peterborough

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

Job vacancy trend for TDD in Peterborough

TDD
Contractor Daily Rate Trend in Peterborough

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

Contractor daily rate trend for TDD in Peterborough

TDD
Contractor Daily Rate Histogram in Peterborough

The daily rate distribution of IT jobs citing TDD in Peterborough over the 6 months to 21 November 2017.

Contractor daily rate histogram for TDD in Peterborough

For the 6 months to 21 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 Peterborough region with a requirement for TDD.

1 24 (100.00%) Agile Software Development
2 18 (75.00%) C#
2 18 (75.00%) .NET
3 11 (45.83%) SQL Server
4 10 (41.67%) Git (software)
4 10 (41.67%) Docker
5 9 (37.50%) WCF
6 8 (33.33%) NHibernate
6 8 (33.33%) Team Foundation Server
6 8 (33.33%) SQL
6 8 (33.33%) Microsoft
6 8 (33.33%) SDLC
6 8 (33.33%) Performance Tuning
7 7 (29.17%) JavaScript
8 6 (25.00%) REST
8 6 (25.00%) Microservices
9 5 (20.83%) Scrum
10 4 (16.67%) Java
10 4 (16.67%) JSON
10 4 (16.67%) Node.js
11 3 (12.50%) .NET Core
11 3 (12.50%) BDD
11 3 (12.50%) MongoDB
11 3 (12.50%) NoSQL
11 3 (12.50%) Kubernetes
11 3 (12.50%) NUnit
11 3 (12.50%) Continuous Integration
11 3 (12.50%) OAuth
11 3 (12.50%) Finance
12 2 (8.33%) Cucumber

TDD
Co-occurring IT Skills in Peterborough 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 (4.17%) Mule
1 1 (4.17%) Mule ESB
Cloud Services
1 2 (8.33%) Amazon AWS
1 2 (8.33%) Microsoft Azure
2 1 (4.17%) Cloud Computing
Database & Business Intelligence
1 11 (45.83%) SQL Server
2 3 (12.50%) MongoDB
2 3 (12.50%) NoSQL
3 2 (8.33%) RDBMS
3 2 (8.33%) Relational Database
Development Applications
1 10 (41.67%) Git (software)
2 8 (33.33%) Team Foundation Server
3 3 (12.50%) NUnit
4 2 (8.33%) Cucumber
4 2 (8.33%) Jenkins
4 2 (8.33%) JUnit
4 2 (8.33%) RSpec
4 2 (8.33%) Selenium
4 2 (8.33%) WebDriver
5 1 (4.17%) TeamCity
General
1 3 (12.50%) Finance
2 1 (4.17%) Retail
Job Titles
1 21 (87.50%) Developer
2 17 (70.83%) .NET Developer
3 14 (58.33%) C# Developer
4 13 (54.17%) C# .NET Developer
5 8 (33.33%) C# WCF Developer
5 8 (33.33%) SQL Developer
5 8 (33.33%) SQL Server Developer
5 8 (33.33%) WCF Developer
6 2 (8.33%) Automation Tester
6 2 (8.33%) Tester
7 1 (4.17%) .NET Web Applications Developer
7 1 (4.17%) Agile Developer
7 1 (4.17%) Applications Developer
7 1 (4.17%) ASP.NET MVC Developer
7 1 (4.17%) ASP.NET Web Applications Developer
7 1 (4.17%) AWS Developer
7 1 (4.17%) Full Stack Developer
7 1 (4.17%) Java Developer
7 1 (4.17%) Web Applications Developer
7 1 (4.17%) Web Developer
Libraries, Frameworks & Software Standards
1 18 (75.00%) .NET
2 9 (37.50%) WCF
3 8 (33.33%) NHibernate
4 6 (25.00%) REST
5 4 (16.67%) JSON
5 4 (16.67%) Node.js
6 3 (12.50%) .NET Core
6 3 (12.50%) OAuth
7 2 (8.33%) CSS
7 2 (8.33%) Gherkin
8 1 (4.17%) .NET Framework
8 1 (4.17%) ASP.NET
8 1 (4.17%) ASP.NET MVC
8 1 (4.17%) jQuery
8 1 (4.17%) RESTful
8 1 (4.17%) Spring
8 1 (4.17%) Spring Integration
8 1 (4.17%) XML
8 1 (4.17%) XML Schema
8 1 (4.17%) XSLT
Miscellaneous
1 1 (4.17%) Digital Media
Processes & Methodologies
1 24 (100.00%) Agile Software Development
2 8 (33.33%) Performance Tuning
2 8 (33.33%) SDLC
3 6 (25.00%) Microservices
4 5 (20.83%) Scrum
5 3 (12.50%) BDD
5 3 (12.50%) Continuous Integration
6 2 (8.33%) Acceptance Criteria
6 2 (8.33%) Continuous Improvement
6 2 (8.33%) High Availability
6 2 (8.33%) Manual Testing
6 2 (8.33%) Pair Programming
6 2 (8.33%) Test Automation
6 2 (8.33%) Test Strategy
6 2 (8.33%) User Stories
7 1 (4.17%) E-Commerce
7 1 (4.17%) MVC
7 1 (4.17%) OO
7 1 (4.17%) SOA
7 1 (4.17%) Unit Testing
Programming Languages
1 18 (75.00%) C#
2 8 (33.33%) SQL
3 7 (29.17%) JavaScript
4 4 (16.67%) Java
5 2 (8.33%) C++
5 2 (8.33%) Python
5 2 (8.33%) Ruby
Quality Assurance & Compliance
1 2 (8.33%) QA
System Software
1 10 (41.67%) Docker
Systems Management
1 3 (12.50%) Kubernetes
Vendors
1 8 (33.33%) Microsoft