Period
to 22 October 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 22 October 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
22 Oct 2018
Same period 2017 Same period 2016
Rank 27 32 41
Rank change year-on-year +5 +9 -1
Contract jobs citing TDD 44 15 28
As % of all contract IT jobs advertised in Lancashire 6.64% 3.29% 3.75%
As % of the Processes & Methodologies category 7.79% 3.94% 4.62%
Number of daily rates quoted 33 21 31
Lancashire median daily rate £475 £425 £450
Median daily rate % change year-on-year +11.76% -5.56% +20.00%
10th Percentile £363 £363 £350
90th Percentile £570 £645 £550
North West median daily rate £428 £400 £425
% change year-on-year +6.88% -5.88% +13.33%
Number of hourly rates quoted 0 2 3
Lancashire median hourly rate - £42.50 £42.50
North West median hourly rate £45.00 £46.25 £42.50
% change year-on-year -2.70% +8.82% -

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 565 381 606
As % of all contract IT jobs advertised in Lancashire 85.22% 83.55% 81.12%
Number of daily rates quoted 366 242 394
Lancashire median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% -5.88%
10th Percentile £258 £300 £250
90th Percentile £575 £575 £575
North West median daily rate £400 £400 £400
Number of hourly rates quoted 59 35 61
Lancashire median hourly rate £39.00 £42.50 £40.00
Median hourly rate % change year-on-year -8.24% +6.25% +16.03%
10th Percentile £11.15 £12.00 £12.17
90th Percentile £57.12 £47.00 £59.31
North West median hourly rate £22.37 £30.00 £21.00
% change year-on-year -25.45% +42.86% -29.32%

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 22 October 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 22 October 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 -1 36 £475 -0.31% 4
Preston +7 3 £525 +31.25% 3
Blackburn - 2 £225 - 5
TDD
North West

For the 6 months to 22 October 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 36 (81.82%) Agile Software Development
2 25 (56.82%) BDD
3 20 (45.45%) Java
4 18 (40.91%) C#
4 18 (40.91%) Git (software)
5 16 (36.36%) Kanban
5 16 (36.36%) Scrum
6 14 (31.82%) PostgreSQL
6 14 (31.82%) JavaScript
7 13 (29.55%) .NET
7 13 (29.55%) Pair Programming
7 13 (29.55%) Continuous Integration
7 13 (29.55%) QA
8 12 (27.27%) Test Automation
8 12 (27.27%) Spring Boot
9 11 (25.00%) User Experience
9 11 (25.00%) Java 8
9 11 (25.00%) MVC
9 11 (25.00%) CSS
9 11 (25.00%) HTML
9 11 (25.00%) Microsoft
10 10 (22.73%) Software Engineering
10 10 (22.73%) Refactoring
10 10 (22.73%) jQuery
10 10 (22.73%) AngularJS
11 9 (20.45%) Responsive Web Design
11 9 (20.45%) Wiki
11 9 (20.45%) Node.js
11 9 (20.45%) HTML5
11 9 (20.45%) Spring

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 4 (9.09%) Confluence
2 1 (2.27%) Apache
2 1 (2.27%) Apache Spark
2 1 (2.27%) NServiceBus
2 1 (2.27%) Oracle SOA Suite
Applications
1 1 (2.27%) Microsoft Excel
1 1 (2.27%) MS Visio
Business Applications
1 8 (18.18%) Dynamics CRM
2 1 (2.27%) Distributed Ledger
2 1 (2.27%) Exstream
Cloud Services
1 2 (4.55%) Dynamics 365
1 2 (4.55%) IaaS
1 2 (4.55%) Microsoft Azure
1 2 (4.55%) Slack
Communications & Networking
1 2 (4.55%) Internet
2 1 (2.27%) Firewall
2 1 (2.27%) HTTP
Database & Business Intelligence
1 14 (31.82%) PostgreSQL
2 5 (11.36%) SQL Server
3 4 (9.09%) MySQL
4 2 (4.55%) Big Data
4 2 (4.55%) MongoDB
4 2 (4.55%) NoSQL
5 1 (2.27%) Apache Cassandra
5 1 (2.27%) Apache Hive
5 1 (2.27%) Blockchain
5 1 (2.27%) Hadoop
5 1 (2.27%) Redis
5 1 (2.27%) Relational Database
5 1 (2.27%) SQL Server 2012
Development Applications
1 18 (40.91%) Git (software)
2 8 (18.18%) Cucumber
3 7 (15.91%) Grunt
3 7 (15.91%) gulp
4 6 (13.64%) Bitbucket
4 6 (13.64%) Selenium
5 5 (11.36%) JIRA
6 4 (9.09%) Gatling
6 4 (9.09%) The Grinder
7 3 (6.82%) SpecFlow
7 3 (6.82%) Visual Studio
8 2 (4.55%) Jasmine
8 2 (4.55%) Jenkins
9 1 (2.27%) Artifactory
9 1 (2.27%) Atlassian Bamboo
9 1 (2.27%) CasperJS
9 1 (2.27%) JMeter
9 1 (2.27%) Karma Test Runner
9 1 (2.27%) Travis CI
9 1 (2.27%) WebDriver
General
1 3 (6.82%) Back Office
2 1 (2.27%) Finance
Job Titles
1 28 (63.64%) Developer
2 9 (20.45%) UI Developer
3 6 (13.64%) Java Developer
4 5 (11.36%) CRM Developer
4 5 (11.36%) Microsoft Developer
4 5 (11.36%) QA Engineer
5 4 (9.09%) Software Engineer
6 3 (6.82%) .NET Developer
6 3 (6.82%) Dynamics CRM Developer
6 3 (6.82%) Front End Developer (Client-Side Developer)
6 3 (6.82%) Java Engineer
6 3 (6.82%) Senior Java Engineer
6 3 (6.82%) Senior QA Engineer
7 2 (4.55%) Automation Consultant
7 2 (4.55%) CSS Developer
7 2 (4.55%) HTML CSS Developer
7 2 (4.55%) HTML Developer
7 2 (4.55%) JavaScript Developer
7 2 (4.55%) QA Consultant
7 2 (4.55%) Senior Consultant
Libraries, Frameworks & Software Standards
1 13 (29.55%) .NET
2 12 (27.27%) Spring Boot
3 11 (25.00%) CSS
3 11 (25.00%) HTML
4 10 (22.73%) AngularJS
4 10 (22.73%) jQuery
5 9 (20.45%) HTML5
5 9 (20.45%) Node.js
5 9 (20.45%) Spring
6 8 (18.18%) Spring Security
7 7 (15.91%) Ajax
8 5 (11.36%) Semantic HTML
9 3 (6.82%) Entity Framework
9 3 (6.82%) REST
10 2 (4.55%) .NET Core
10 2 (4.55%) .NET Framework
10 2 (4.55%) Backbone.js
10 2 (4.55%) KnockoutJS
10 2 (4.55%) RESTful
10 2 (4.55%) Vue.js
Miscellaneous
1 11 (25.00%) User Experience
2 9 (20.45%) Wiki
3 4 (9.09%) Greenfield Project
4 3 (6.82%) Management Information System
5 2 (4.55%) Analytical Skills
5 2 (4.55%) Distributed Denial-of-Service
6 1 (2.27%) Blog
6 1 (2.27%) Enterprise Software
Operating Systems
1 6 (13.64%) Linux
2 3 (6.82%) Red Hat Enterprise Linux
3 1 (2.27%) CentOS
Processes & Methodologies
1 36 (81.82%) Agile Software Development
2 25 (56.82%) BDD
3 16 (36.36%) Kanban
3 16 (36.36%) Scrum
4 13 (29.55%) Continuous Integration
4 13 (29.55%) Pair Programming
5 12 (27.27%) Test Automation
6 11 (25.00%) MVC
7 10 (22.73%) Refactoring
7 10 (22.73%) Software Engineering
8 9 (20.45%) CRM
8 9 (20.45%) Responsive Web Design
8 9 (20.45%) Web Design
9 8 (18.18%) SOA
9 8 (18.18%) UX Design
10 7 (15.91%) Continuous Deployment
10 7 (15.91%) OOP
11 6 (13.64%) Web Operations
12 5 (11.36%) Mobile First
12 5 (11.36%) Open Source
Programming Languages
1 20 (45.45%) Java
2 18 (40.91%) C#
3 14 (31.82%) JavaScript
4 11 (25.00%) Java 8
5 9 (20.45%) SQL
6 1 (2.27%) PHP
6 1 (2.27%) Python
6 1 (2.27%) Shell Script
6 1 (2.27%) T-SQL
6 1 (2.27%) VB
6 1 (2.27%) VBA
Qualifications
1 4 (9.09%) BPSS Clearance
2 2 (4.55%) DBS Check
Quality Assurance & Compliance
1 13 (29.55%) QA
Systems Management
1 2 (4.55%) Puppet
2 1 (2.27%) Ansible
2 1 (2.27%) Grafana
2 1 (2.27%) Graylog
2 1 (2.27%) Terraform
Vendors
1 11 (25.00%) Microsoft
2 2 (4.55%) Apple
3 1 (2.27%) EnterpriseDB
3 1 (2.27%) OpenText
3 1 (2.27%) Oracle
3 1 (2.27%) Pega
3 1 (2.27%) Red Hat
3 1 (2.27%) ServiceNow