Period
to 25 May 2018

The following table provides summary statistics for contract job vacancies advertised in Lancashire 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 25 May 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)
North West > Lancashire
6 months to
25 May 2018
Same period 2017 Same period 2016
Rank 30 31 57
Rank change year-on-year +1 +26 -17
Contract jobs citing TDD 32 27 16
As % of all contract IT jobs advertised in Lancashire 5.79% 4.87% 1.85%
As % of the Processes & Methodologies category 6.53% 5.51% 2.38%
Number of daily rates quoted 28 27 10
Lancashire median daily rate £375 £453 £381
Median daily rate % change year-on-year -17.13% +18.69% -14.33%
10th Percentile £313 £338 £324
90th Percentile £462 £575 £578
North West median daily rate £400 £410 £400
% change year-on-year -2.44% +2.50% +6.67%
Number of hourly rates quoted 0 0 5
Lancashire median hourly rate - - £37.50
North West median hourly rate - £50.00 £37.50
% change year-on-year - +33.33% -

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 Lancashire with a requirement for process or methodology skills.

All Process and Methodology Skills
Lancashire
Contract vacancies with a requirement for process or methodology skills 490 490 672
As % of all contract IT jobs advertised in Lancashire 88.61% 88.45% 77.78%
Number of daily rates quoted 304 276 420
Lancashire median daily rate £425 £420 £400
Median daily rate % change year-on-year +1.19% +5.00% +5.96%
10th Percentile £250 £263 £256
90th Percentile £575 £550 £553
North West median daily rate £400 £400 £400
Number of hourly rates quoted 44 65 83
Lancashire median hourly rate £36.13 £42.50 £37.50
Median hourly rate % change year-on-year -15.00% +13.33% +19.43%
10th Percentile £13.17 £22.90 £20.00
90th Percentile £52.44 £53.00 £51.87
North West median hourly rate £22.65 £35.50 £31.25
% change year-on-year -36.20% +13.60% +42.63%

TDD
Job Vacancy Trend in Lancashire

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

Job vacancy trend for TDD in Lancashire

TDD
Contractor Daily Rate Trend in Lancashire

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

Contractor daily rate trend for TDD in Lancashire

TDD
Contractor Daily Rate Histogram in Lancashire

The daily rate distribution of IT jobs citing TDD in Lancashire over the 6 months to 25 May 2018.

Contractor daily rate histogram for TDD in Lancashire

TDD
Contractor Hourly Rate Trend in Lancashire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in Lancashire.

Contractor hourly rate trend for TDD in Lancashire

TDD
Contract Job Locations in Lancashire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Lancashire region over the 6 months to 25 May 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
Blackpool -24 17 £432 -9.05% 4
Preston +25 6 £338 +3.85% 1
Blackburn +12 2 £325 - 2
Chorley -15 1 £348 +47.87% 2
TDD
North West

For the 6 months to 25 May 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 Lancashire region with a requirement for TDD.

1 31 (96.88%) Agile Software Development
2 26 (81.25%) BDD
3 19 (59.38%) Java
4 18 (56.25%) JavaScript
5 17 (53.13%) SQL
6 13 (40.63%) HTML
6 13 (40.63%) CSS
7 12 (37.50%) Kanban
8 11 (34.38%) JIRA
8 11 (34.38%) Scrum
8 11 (34.38%) JUnit
8 11 (34.38%) MySQL
9 10 (31.25%) C#
9 10 (31.25%) Git (software)
9 10 (31.25%) Open Source
10 9 (28.13%) Test Automation
10 9 (28.13%) REST
10 9 (28.13%) Jenkins
10 9 (28.13%) Software Engineering
11 8 (25.00%) Linux
11 8 (25.00%) Cucumber
11 8 (25.00%) AngularJS
11 8 (25.00%) NoSQL
11 8 (25.00%) Node.js
12 7 (21.88%) MongoDB
12 7 (21.88%) Confluence
12 7 (21.88%) Continuous Delivery
12 7 (21.88%) Jasmine
12 7 (21.88%) .NET
12 7 (21.88%) SQL Server

TDD
Co-occurring IT Skills in Lancashire 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 7 (21.88%) Confluence
2 5 (15.63%) Tomcat
Applications
1 2 (6.25%) Microsoft Excel
2 1 (3.13%) MS Visio
Cloud Services
1 6 (18.75%) Slack
2 3 (9.38%) Amazon AWS
3 2 (6.25%) Amazon EC2
3 2 (6.25%) Cloud Computing
3 2 (6.25%) GitHub
3 2 (6.25%) Microsoft Azure
Database & Business Intelligence
1 11 (34.38%) MySQL
2 8 (25.00%) NoSQL
3 7 (21.88%) MongoDB
3 7 (21.88%) SQL Server
4 6 (18.75%) Apache Cassandra
4 6 (18.75%) PostgreSQL
5 4 (12.50%) SQL Server 2014
6 2 (6.25%) Blockchain
6 2 (6.25%) Redis
7 1 (3.13%) Oracle Database
7 1 (3.13%) Relational Database
7 1 (3.13%) SQL Server Integration Services
Development Applications
1 11 (34.38%) JIRA
1 11 (34.38%) JUnit
2 10 (31.25%) Git (software)
3 9 (28.13%) Jenkins
4 8 (25.00%) Cucumber
5 7 (21.88%) Jasmine
6 2 (6.25%) Mocha
6 2 (6.25%) Selenium
7 1 (3.13%) HP UFT
7 1 (3.13%) Sahi
7 1 (3.13%) SpecFlow
7 1 (3.13%) WATIR
General
1 1 (3.13%) Finance
Job Titles
1 20 (62.50%) Developer
2 9 (28.13%) Java Developer
3 6 (18.75%) .NET Developer
3 6 (18.75%) Software Engineer
4 4 (12.50%) ASP.NET MVC Developer
4 4 (12.50%) C# .NET Developer
4 4 (12.50%) C# Developer
4 4 (12.50%) SQL Developer
5 3 (9.38%) Agile Developer
5 3 (9.38%) QA Tester
5 3 (9.38%) SQL Server Developer
5 3 (9.38%) Tester
6 2 (6.25%) Full Stack Developer
6 2 (6.25%) Java Engineer
6 2 (6.25%) Java Software Engineer
6 2 (6.25%) React Developer
7 1 (3.13%) Agile Java Developer
7 1 (3.13%) Angular Developer
7 1 (3.13%) Digital UX Designer
7 1 (3.13%) QA Automation Tester
Libraries, Frameworks & Software Standards
1 13 (40.63%) CSS
1 13 (40.63%) HTML
2 9 (28.13%) REST
3 8 (25.00%) AngularJS
3 8 (25.00%) Node.js
4 7 (21.88%) .NET
5 5 (15.63%) jQuery
6 4 (12.50%) ASP.NET
6 4 (12.50%) ASP.NET MVC
6 4 (12.50%) ASP.NET MVC 5
6 4 (12.50%) JDBC
6 4 (12.50%) KnockoutJS
6 4 (12.50%) React
6 4 (12.50%) Spring
6 4 (12.50%) Twitter Bootstrap
7 3 (9.38%) CSS3
7 3 (9.38%) HTML5
7 3 (9.38%) Redux
7 3 (9.38%) SOAP
8 2 (6.25%) Web Services
Miscellaneous
1 3 (9.38%) Enterprise Software
2 2 (6.25%) User Experience
3 1 (3.13%) Management Information System
Operating Systems
1 8 (25.00%) Linux
2 6 (18.75%) Red Hat Enterprise Linux
Processes & Methodologies
1 31 (96.88%) Agile Software Development
2 26 (81.25%) BDD
3 12 (37.50%) Kanban
4 11 (34.38%) Scrum
5 10 (31.25%) Open Source
6 9 (28.13%) Software Engineering
6 9 (28.13%) Test Automation
7 7 (21.88%) Continuous Delivery
7 7 (21.88%) MVC
7 7 (21.88%) SFIA
8 6 (18.75%) Coaching
8 6 (18.75%) Mentoring
8 6 (18.75%) Microservices
9 5 (15.63%) API Development
9 5 (15.63%) Continuous Integration
9 5 (15.63%) OO
10 4 (12.50%) Integration Testing
10 4 (12.50%) Pair Programming
10 4 (12.50%) Software Delivery
10 4 (12.50%) Web Application Development
Programming Languages
1 19 (59.38%) Java
2 18 (56.25%) JavaScript
3 17 (53.13%) SQL
4 10 (31.25%) C#
5 5 (15.63%) Java 8
6 2 (6.25%) ES6
6 2 (6.25%) Scala
6 2 (6.25%) VB
6 2 (6.25%) VBA
7 1 (3.13%) Ruby
Quality Assurance & Compliance
1 4 (12.50%) QA
System Software
1 2 (6.25%) Docker
1 2 (6.25%) Virtual Machines
Systems Management
1 2 (6.25%) Kubernetes
Vendors
1 6 (18.75%) Red Hat
2 4 (12.50%) Oracle
3 2 (6.25%) Microsoft