Period
to 21 February 2018

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 February 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)
East Midlands > Northamptonshire
6 months to
21 Feb 2018
Same period 2017 Same period 2016
Rank 17 26 43
Rank change year-on-year +9 +17 +9
Contract jobs citing TDD 51 51 14
As % of all contract IT jobs advertised in Northamptonshire 8.07% 5.35% 2.10%
As % of the Processes & Methodologies category 9.86% 6.34% 2.50%
Number of daily rates quoted 28 14 32
Northamptonshire median daily rate £413 £400 £500
Median daily rate % change year-on-year +3.13% -20.00% +17.65%
10th Percentile £268 £338 £425
90th Percentile £524 £475 £600
East Midlands median daily rate £390 £375 £450
% change year-on-year +4.00% -16.67% +20.00%
Number of hourly rates quoted 0 0 0
Northamptonshire median hourly rate - - -
East Midlands 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 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 517 805 559
As % of all contract IT jobs advertised in Northamptonshire 81.80% 84.47% 83.93%
Number of daily rates quoted 307 537 416
Northamptonshire median daily rate £400 £400 £400
10th Percentile £250 £225 £263
90th Percentile £544 £575 £569
East Midlands median daily rate £400 £375 £375
% change year-on-year +6.67% - +3.45%
Number of hourly rates quoted 9 20 10
Northamptonshire median hourly rate £11.09 £14.25 £13.00
Median hourly rate % change year-on-year -22.21% +9.62% -19.00%
10th Percentile £10.29 £10.50 £9.18
90th Percentile £47.50 £32.68 £17.15
East Midlands median hourly rate £17.50 £15.63 £16.20
% change year-on-year +12.00% -3.55% -0.31%

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 February 2018.

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 February 2018. 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 +24 32 £425 +6.92% 8
TDD
East Midlands

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

1 43 (84.31%) Agile Software Development
2 30 (58.82%) BDD
3 27 (52.94%) Java
4 24 (47.06%) Test Automation
5 23 (45.10%) OO
5 23 (45.10%) Scrum
6 20 (39.22%) Node.js
7 18 (35.29%) JUnit
8 17 (33.33%) Docker
8 17 (33.33%) Microservices
9 16 (31.37%) Spring
10 15 (29.41%) C#
10 15 (29.41%) Git (software)
10 15 (29.41%) Unit Testing
11 14 (27.45%) Jenkins
11 14 (27.45%) MongoDB
11 14 (27.45%) .NET
12 13 (25.49%) Finance
12 13 (25.49%) Perforce
12 13 (25.49%) Kafka
12 13 (25.49%) Banking
13 12 (23.53%) Advertising
13 12 (23.53%) HTML
13 12 (23.53%) JavaScript
13 12 (23.53%) SQL
13 12 (23.53%) E-Commerce
14 11 (21.57%) Hibernate
14 11 (21.57%) Google
14 11 (21.57%) JIRA
14 11 (21.57%) Marketing

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 2 (3.92%) Apache Spark
1 2 (3.92%) Tomcat
2 1 (1.96%) Apache
2 1 (1.96%) Apache Solr
2 1 (1.96%) Elasticsearch
2 1 (1.96%) JBoss
Business Applications
1 1 (1.96%) Oracle SCM
Cloud Services
1 11 (21.57%) Amazon AWS
1 11 (21.57%) Google Analytics
1 11 (21.57%) PaaS
2 7 (13.73%) npm
Database & Business Intelligence
1 14 (27.45%) MongoDB
2 11 (21.57%) NoSQL
3 10 (19.61%) Relational Database
4 9 (17.65%) RDBMS
5 6 (11.76%) SQL Server
6 2 (3.92%) Hadoop
7 1 (1.96%) DB2
7 1 (1.96%) MySQL
7 1 (1.96%) PostgreSQL
Development Applications
1 18 (35.29%) JUnit
2 15 (29.41%) Git (software)
3 14 (27.45%) Jenkins
4 11 (21.57%) JIRA
5 10 (19.61%) SonarQube
6 8 (15.69%) gulp
7 7 (13.73%) Grunt
7 7 (13.73%) Maven
8 6 (11.76%) Gradle
8 6 (11.76%) JProfiler
9 5 (9.80%) Eclipse
10 4 (7.84%) IntelliJ
11 3 (5.88%) Cucumber
11 3 (5.88%) Selenium
12 2 (3.92%) FitNesse
12 2 (3.92%) JMeter
12 2 (3.92%) NUnit
12 2 (3.92%) SoapUI
12 2 (3.92%) TestNG
12 2 (3.92%) WebDriver
General
1 13 (25.49%) Banking
1 13 (25.49%) Finance
2 12 (23.53%) Advertising
3 11 (21.57%) Marketing
4 1 (1.96%) Retail Banking
Job Titles
1 28 (54.90%) Developer
2 17 (33.33%) Java Developer
3 11 (21.57%) Architect
3 11 (21.57%) E-Commerce Architect
3 11 (21.57%) E-Commerce Solution Architect
3 11 (21.57%) Solutions Architect
4 7 (13.73%) Digital Architect
4 7 (13.73%) Digital Solutions Architect
4 7 (13.73%) Scrum Master
4 7 (13.73%) UI Developer
5 3 (5.88%) Angular Developer
5 3 (5.88%) Software Engineer
6 2 (3.92%) Software Developer
6 2 (3.92%) Software Test Engineer
6 2 (3.92%) Test Engineer
7 1 (1.96%) ASP.NET Developer
7 1 (1.96%) J2EE Developer
7 1 (1.96%) Senior Developer
7 1 (1.96%) Senior Software Developer
7 1 (1.96%) Team Leader
Libraries, Frameworks & Software Standards
1 20 (39.22%) Node.js
2 16 (31.37%) Spring
3 14 (27.45%) .NET
4 13 (25.49%) Kafka
5 12 (23.53%) HTML
6 11 (21.57%) .NET Core
6 11 (21.57%) Hibernate
7 10 (19.61%) CSS
7 10 (19.61%) JSON
8 9 (17.65%) JPA
9 8 (15.69%) Ajax
9 8 (15.69%) RESTful
10 7 (13.73%) CSS3
10 7 (13.73%) HTML5
10 7 (13.73%) REST
10 7 (13.73%) SOAP
10 7 (13.73%) Spring Boot
10 7 (13.73%) Twitter Bootstrap
10 7 (13.73%) Web Services
11 6 (11.76%) React
Miscellaneous
1 2 (3.92%) Computer Science
2 1 (1.96%) Analytical Skills
2 1 (1.96%) Enterprise Software
Processes & Methodologies
1 43 (84.31%) Agile Software Development
2 30 (58.82%) BDD
3 24 (47.06%) Test Automation
4 23 (45.10%) OO
4 23 (45.10%) Scrum
5 17 (33.33%) Microservices
6 15 (29.41%) Unit Testing
7 12 (23.53%) E-Commerce
8 11 (21.57%) Analytics
8 11 (21.57%) Cybersecurity
9 10 (19.61%) Kanban
10 8 (15.69%) Data Modelling
11 7 (13.73%) Continuous Integration
11 7 (13.73%) Software Engineering
12 6 (11.76%) API Development
12 6 (11.76%) OOP
12 6 (11.76%) Performance Optimisation
12 6 (11.76%) Planning Poker
12 6 (11.76%) Responsive Web Design
13 5 (9.80%) RAD
Programming Languages
1 27 (52.94%) Java
2 15 (29.41%) C#
3 12 (23.53%) JavaScript
3 12 (23.53%) SQL
4 6 (11.76%) ES6
5 1 (1.96%) Bash Shell
5 1 (1.96%) PowerShell
5 1 (1.96%) Python
5 1 (1.96%) TypeScript
5 1 (1.96%) VB.NET
5 1 (1.96%) XAML
Qualifications
1 2 (3.92%) Computer Science Degree
1 2 (3.92%) Degree
System Software
1 17 (33.33%) Docker
Systems Management
1 1 (1.96%) logstash
1 1 (1.96%) Opscode Chef
Vendors
1 13 (25.49%) Perforce
2 11 (21.57%) Google
3 9 (17.65%) Oracle
4 4 (7.84%) Capita
5 2 (3.92%) Microsoft
6 1 (1.96%) Ab Initio
6 1 (1.96%) CA Agile Central