Period
to 18 August 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 18 August 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
18 Aug 2018
Same period 2017 Same period 2016
Rank 31 44 53
Rank change year-on-year +13 +9 -1
Contract jobs citing TDD 36 11 12
As % of all contract IT jobs advertised in Lancashire 5.42% 1.95% 1.59%
As % of the Processes & Methodologies category 6.36% 2.26% 2.05%
Number of daily rates quoted 26 13 12
Lancashire median daily rate £483 £640 £413
Median daily rate % change year-on-year -24.61% +55.15% -8.33%
10th Percentile £363 £360 £326
90th Percentile £554 £645 £460
North West median daily rate £419 £400 £423
% change year-on-year +4.69% -5.33% +12.67%
Number of hourly rates quoted 0 2 0
Lancashire median hourly rate - £42.50 -
North West median hourly rate - £46.25 -

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 566 486 584
As % of all contract IT jobs advertised in Lancashire 85.24% 86.32% 77.15%
Number of daily rates quoted 361 269 357
Lancashire median daily rate £463 £425 £375
Median daily rate % change year-on-year +8.82% +13.33% -6.25%
10th Percentile £275 £313 £238
90th Percentile £575 £550 £527
North West median daily rate £400 £400 £400
Number of hourly rates quoted 50 55 62
Lancashire median hourly rate £35.00 £40.00 £37.50
Median hourly rate % change year-on-year -12.50% +6.67% +19.81%
10th Percentile £10.60 £12.57 £12.02
90th Percentile £67.72 £47.80 £59.31
North West median hourly rate £23.65 £35.00 £25.50
% change year-on-year -32.43% +37.25% -14.20%

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 18 August 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 18 August 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 -6 32 £475 -25.78% 1
Preston +18 3 £525 +31.25% 6
Blackburn +3 1 £325 -
TDD
North West

For the 6 months to 18 August 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 29 (80.56%) Agile Software Development
2 27 (75.00%) BDD
3 21 (58.33%) Java
4 18 (50.00%) Git (software)
5 17 (47.22%) Scrum
5 17 (47.22%) JavaScript
6 15 (41.67%) QA
6 15 (41.67%) Kanban
7 14 (38.89%) HTML
7 14 (38.89%) CSS
8 13 (36.11%) PostgreSQL
9 12 (33.33%) Node.js
10 11 (30.56%) HTML5
10 11 (30.56%) Test Automation
10 11 (30.56%) jQuery
11 10 (27.78%) Pair Programming
11 10 (27.78%) Responsive Web Design
11 10 (27.78%) Spring Boot
11 10 (27.78%) Java 8
12 9 (25.00%) User Experience
12 9 (25.00%) Cucumber
12 9 (25.00%) Web Design
12 9 (25.00%) Software Engineering
12 9 (25.00%) Refactoring
12 9 (25.00%) MVC
12 9 (25.00%) C#
13 8 (22.22%) SQL
13 8 (22.22%) Linux
13 8 (22.22%) Wiki
13 8 (22.22%) AngularJS

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 3 (8.33%) Confluence
2 1 (2.78%) NServiceBus
2 1 (2.78%) Oracle SOA Suite
Applications
1 2 (5.56%) Microsoft Excel
Cloud Services
1 3 (8.33%) Slack
2 2 (5.56%) Amazon AWS
2 2 (5.56%) Amazon EC2
2 2 (5.56%) Cloud Computing
2 2 (5.56%) GitHub
2 2 (5.56%) Microsoft Azure
Database & Business Intelligence
1 13 (36.11%) PostgreSQL
2 7 (19.44%) MySQL
3 5 (13.89%) NoSQL
4 3 (8.33%) Apache Cassandra
4 3 (8.33%) MongoDB
4 3 (8.33%) Redis
4 3 (8.33%) SQL Server
5 2 (5.56%) Blockchain
6 1 (2.78%) Relational Database
6 1 (2.78%) SQL Server 2012
Development Applications
1 18 (50.00%) Git (software)
2 9 (25.00%) Cucumber
3 7 (19.44%) Grunt
3 7 (19.44%) gulp
4 6 (16.67%) Bitbucket
4 6 (16.67%) Selenium
5 4 (11.11%) Gatling
5 4 (11.11%) Jasmine
5 4 (11.11%) Jenkins
5 4 (11.11%) JIRA
5 4 (11.11%) The Grinder
6 3 (8.33%) JUnit
6 3 (8.33%) SpecFlow
7 2 (5.56%) Mocha
8 1 (2.78%) Atlassian Bamboo
8 1 (2.78%) CasperJS
8 1 (2.78%) JMeter
8 1 (2.78%) Karma Test Runner
8 1 (2.78%) Visual Studio
8 1 (2.78%) WebDriver
Job Titles
1 19 (52.78%) Developer
2 9 (25.00%) UI Developer
3 5 (13.89%) Java Developer
3 5 (13.89%) QA Engineer
4 4 (11.11%) Java Engineer
5 3 (8.33%) Front End Developer (Client-Side Developer)
5 3 (8.33%) Senior Java Engineer
5 3 (8.33%) Senior QA Engineer
5 3 (8.33%) Software Engineer
6 2 (5.56%) .NET Developer
6 2 (5.56%) Automation Consultant
6 2 (5.56%) Consultant
6 2 (5.56%) CSS Developer
6 2 (5.56%) HTML CSS Developer
6 2 (5.56%) HTML Developer
6 2 (5.56%) JavaScript Developer
6 2 (5.56%) QA Consultant
6 2 (5.56%) QA Tester
6 2 (5.56%) Senior Consultant
6 2 (5.56%) Tester
Libraries, Frameworks & Software Standards
1 14 (38.89%) CSS
1 14 (38.89%) HTML
2 12 (33.33%) Node.js
3 11 (30.56%) HTML5
3 11 (30.56%) jQuery
4 10 (27.78%) Spring Boot
5 8 (22.22%) AngularJS
6 7 (19.44%) Ajax
6 7 (19.44%) Spring
7 6 (16.67%) Spring Security
8 5 (13.89%) Semantic HTML
9 3 (8.33%) .NET
9 3 (8.33%) REST
10 2 (5.56%) Backbone.js
10 2 (5.56%) Chai
10 2 (5.56%) CSS3
10 2 (5.56%) Jest
10 2 (5.56%) KnockoutJS
10 2 (5.56%) Redux
11 1 (2.78%) SignalR
Miscellaneous
1 9 (25.00%) User Experience
2 8 (22.22%) Wiki
3 2 (5.56%) Greenfield Project
Operating Systems
1 8 (22.22%) Linux
2 3 (8.33%) Red Hat Enterprise Linux
Processes & Methodologies
1 29 (80.56%) Agile Software Development
2 27 (75.00%) BDD
3 17 (47.22%) Scrum
4 15 (41.67%) Kanban
5 11 (30.56%) Test Automation
6 10 (27.78%) Pair Programming
6 10 (27.78%) Responsive Web Design
7 9 (25.00%) MVC
7 9 (25.00%) Refactoring
7 9 (25.00%) Software Engineering
7 9 (25.00%) Web Design
8 7 (19.44%) OOP
8 7 (19.44%) Open Source
8 7 (19.44%) SOA
9 6 (16.67%) Performance Testing
9 6 (16.67%) UX Design
9 6 (16.67%) Web Operations
10 5 (13.89%) Mobile First
11 4 (11.11%) OO
12 3 (8.33%) Continuous Delivery
Programming Languages
1 21 (58.33%) Java
2 17 (47.22%) JavaScript
3 10 (27.78%) Java 8
4 9 (25.00%) C#
5 8 (22.22%) SQL
6 2 (5.56%) ES6
6 2 (5.56%) Scala
6 2 (5.56%) VB
6 2 (5.56%) VBA
7 1 (2.78%) PHP
7 1 (2.78%) T-SQL
Qualifications
1 3 (8.33%) BPSS Clearance
2 2 (5.56%) DBS Check
Quality Assurance & Compliance
1 15 (41.67%) QA
System Software
1 2 (5.56%) Docker
1 2 (5.56%) Virtual Machines
Systems Management
1 2 (5.56%) Kubernetes
Vendors
1 3 (8.33%) Microsoft
1 3 (8.33%) Red Hat
2 1 (2.78%) Capita
2 1 (2.78%) Oracle