Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies advertised in Northamptonshire 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)
East Midlands > Northamptonshire
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 17 33 50
Rank change year-on-year +16 +17 -6
Contract jobs citing TDD 58 43 15
As % of all contract IT jobs advertised in Northamptonshire 8.35% 4.66% 1.95%
As % of the Processes & Methodologies category 9.90% 5.35% 2.41%
Number of daily rates quoted 30 14 17
Northamptonshire median daily rate £418 £400 £500
Median daily rate % change year-on-year +4.38% -20.00% +33.33%
10th Percentile £269 £338 £425
90th Percentile £538 £519 £600
East Midlands median daily rate £389 £383 £380
% change year-on-year +1.63% +0.66% +8.57%
Number of hourly rates quoted 0 0 0
Northamptonshire median hourly rate - - -
East Midlands 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 Northamptonshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Northamptonshire
Contract vacancies with a requirement for process or methodology skills 586 803 622
As % of all contract IT jobs advertised in Northamptonshire 84.32% 87.09% 80.78%
Number of daily rates quoted 368 588 436
Northamptonshire median daily rate £400 £420 £425
Median daily rate % change year-on-year -4.76% -1.18% -
10th Percentile £220 £281 £263
90th Percentile £550 £575 £575
East Midlands median daily rate £400 £400 £375
% change year-on-year - +6.67% -
Number of hourly rates quoted 8 15 12
Northamptonshire median hourly rate £11.79 £11.75 £18.52
Median hourly rate % change year-on-year +0.36% -36.56% +23.47%
East Midlands median hourly rate £15.50 £14.00 £16.20
% change year-on-year +10.71% -13.58% +1.25%

TDD
Job Vacancy Trend in Northamptonshire

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

Job vacancy trend for TDD in Northamptonshire

TDD
Contractor Daily Rate Trend in Northamptonshire

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

Contractor daily rate trend for TDD in Northamptonshire

TDD
Contractor Daily Rate Histogram in Northamptonshire

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

Contractor daily rate histogram for TDD in Northamptonshire

TDD
Contract Job Locations in Northamptonshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Northamptonshire region over the 6 months to 21 November 2017. 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
Northampton +15 39 £405 +1.25% 6
TDD
East Midlands

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 Northamptonshire region with a requirement for TDD.

1 50 (86.21%) Agile Software Development
2 29 (50.00%) Java
3 25 (43.10%) Test Automation
4 22 (37.93%) Scrum
5 20 (34.48%) Unit Testing
5 20 (34.48%) HTML
5 20 (34.48%) BDD
5 20 (34.48%) Node.js
6 19 (32.76%) C#
6 19 (32.76%) OO
6 19 (32.76%) Git (software)
7 18 (31.03%) Spring
7 18 (31.03%) .NET
7 18 (31.03%) Finance
8 17 (29.31%) JUnit
8 17 (29.31%) CSS
9 16 (27.59%) Perforce
10 15 (25.86%) SQL
10 15 (25.86%) RESTful
11 14 (24.14%) Banking
12 13 (22.41%) JPA
12 13 (22.41%) JavaScript
12 13 (22.41%) E-Commerce
12 13 (22.41%) Hibernate
12 13 (22.41%) Jenkins
12 13 (22.41%) Docker
13 12 (20.69%) SonarQube
13 12 (20.69%) MongoDB
13 12 (20.69%) JSON
14 11 (18.97%) Pair Programming

TDD
Co-occurring IT Skills in Northamptonshire 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 (1.72%) Apache Spark
1 1 (1.72%) NServiceBus
Business Applications
1 1 (1.72%) Oracle SCM
Cloud Services
1 8 (13.79%) npm
2 3 (5.17%) Amazon AWS
2 3 (5.17%) Google Analytics
2 3 (5.17%) PaaS
Database & Business Intelligence
1 12 (20.69%) MongoDB
2 11 (18.97%) Relational Database
3 10 (17.24%) RDBMS
4 7 (12.07%) SQL Server
5 4 (6.90%) NoSQL
6 1 (1.72%) BusinessObjects
6 1 (1.72%) Hadoop
6 1 (1.72%) SQL Server Integration Services
Development Applications
1 19 (32.76%) Git (software)
2 17 (29.31%) JUnit
3 13 (22.41%) Jenkins
4 12 (20.69%) SonarQube
5 9 (15.52%) JIRA
6 8 (13.79%) Grunt
6 8 (13.79%) gulp
7 7 (12.07%) Gradle
7 7 (12.07%) JProfiler
8 6 (10.34%) Eclipse
8 6 (10.34%) Maven
9 5 (8.62%) IntelliJ
10 4 (6.90%) NUnit
11 3 (5.17%) Cucumber
12 2 (3.45%) FitNesse
12 2 (3.45%) Selenium
12 2 (3.45%) SoapUI
12 2 (3.45%) TeamCity
12 2 (3.45%) TestNG
12 2 (3.45%) WebDriver
General
1 18 (31.03%) Finance
2 14 (24.14%) Banking
3 4 (6.90%) Advertising
4 3 (5.17%) Marketing
5 1 (1.72%) Retail Banking
Job Titles
1 42 (72.41%) Developer
2 18 (31.03%) Java Developer
3 9 (15.52%) .NET Developer
3 9 (15.52%) Full Stack Developer
4 8 (13.79%) C# Developer
5 7 (12.07%) C# .NET Developer
5 7 (12.07%) UI Developer
6 6 (10.34%) Agile Developer
6 6 (10.34%) Node.js Developer
6 6 (10.34%) Scrum Master
7 5 (8.62%) Agile .NET Developer
7 5 (8.62%) Agile C# Developer
8 4 (6.90%) Architect
8 4 (6.90%) E-Commerce Developer
9 3 (5.17%) Angular Developer
9 3 (5.17%) ASP.NET MVC Developer
9 3 (5.17%) Digital Developer
9 3 (5.17%) E-Commerce Architect
9 3 (5.17%) E-Commerce Solution Architect
9 3 (5.17%) Software Engineer
Libraries, Frameworks & Software Standards
1 20 (34.48%) HTML
1 20 (34.48%) Node.js
2 18 (31.03%) .NET
2 18 (31.03%) Spring
3 17 (29.31%) CSS
4 15 (25.86%) RESTful
5 13 (22.41%) Hibernate
5 13 (22.41%) JPA
6 12 (20.69%) JSON
7 11 (18.97%) CSS3
7 11 (18.97%) HTML5
8 10 (17.24%) Java EE
8 10 (17.24%) Spring Boot
8 10 (17.24%) Web Services
9 9 (15.52%) Ajax
9 9 (15.52%) KnockoutJS
9 9 (15.52%) SOAP
10 8 (13.79%) React
10 8 (13.79%) REST
11 7 (12.07%) Twitter Bootstrap
Miscellaneous
1 2 (3.45%) Computer Science
2 1 (1.72%) Enterprise Software
Operating Systems
1 8 (13.79%) Windows
2 1 (1.72%) Apple iOS
Processes & Methodologies
1 50 (86.21%) Agile Software Development
2 25 (43.10%) Test Automation
3 22 (37.93%) Scrum
4 20 (34.48%) BDD
4 20 (34.48%) Unit Testing
5 19 (32.76%) OO
6 13 (22.41%) E-Commerce
7 11 (18.97%) Pair Programming
8 10 (17.24%) Data Modelling
8 10 (17.24%) Microservices
9 9 (15.52%) Continuous Integration
9 9 (15.52%) Kanban
10 7 (12.07%) Performance Optimisation
10 7 (12.07%) Responsive Web Design
10 7 (12.07%) Software Engineering
11 6 (10.34%) MVC
11 6 (10.34%) OOP
12 5 (8.62%) Planning Poker
12 5 (8.62%) RAD
13 4 (6.90%) Waterfall
Programming Languages
1 29 (50.00%) Java
2 19 (32.76%) C#
3 15 (25.86%) SQL
4 13 (22.41%) JavaScript
5 6 (10.34%) ES6
6 1 (1.72%) Apple Swift
6 1 (1.72%) Objective-C
6 1 (1.72%) TypeScript
6 1 (1.72%) VB.NET
6 1 (1.72%) XAML
Qualifications
1 2 (3.45%) Computer Science Degree
1 2 (3.45%) Degree
System Software
1 13 (22.41%) Docker
Vendors
1 16 (27.59%) Perforce
2 11 (18.97%) Oracle
3 4 (6.90%) Capita
4 3 (5.17%) Google
5 2 (3.45%) Microsoft
6 1 (1.72%) CA Agile Central