Period
to 19 February 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 19 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)
North West > Lancashire
6 months to
19 Feb 2018
Same period 2017 Same period 2016
Rank 20 21 38
Rank change year-on-year +1 +17 +3
Contract jobs citing TDD 36 48 34
As % of all contract IT jobs advertised in Lancashire 8.47% 8.29% 3.61%
As % of the Processes & Methodologies category 9.65% 9.58% 4.45%
Number of daily rates quoted 37 51 58
Lancashire median daily rate £375 £450 £344
Median daily rate % change year-on-year -16.67% +30.91% -14.06%
10th Percentile £316 £338 £263
90th Percentile £441 £575 £600
North West median daily rate £398 £425 £388
% change year-on-year -6.47% +9.68% +10.71%
Number of hourly rates quoted 2 3 5
Lancashire median hourly rate £43.00 £42.50 £37.50
Median hourly rate % change year-on-year +1.18% +13.33% -
North West median hourly rate £43.00 £42.50 £37.50
% change year-on-year +1.18% +13.33% +11.11%

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 373 501 764
As % of all contract IT jobs advertised in Lancashire 87.76% 86.53% 81.02%
Number of daily rates quoted 230 353 502
Lancashire median daily rate £410 £400 £433
Median daily rate % change year-on-year +2.50% -7.51% +8.13%
10th Percentile £250 £250 £256
90th Percentile £589 £575 £628
North West median daily rate £413 £400 £400
% change year-on-year +3.13% - +6.67%
Number of hourly rates quoted 46 59 90
Lancashire median hourly rate £40.50 £42.50 £40.00
Median hourly rate % change year-on-year -4.71% +6.25% +23.00%
10th Percentile £14.13 £18.04 £21.50
90th Percentile £62.63 £53.10 £53.20
North West median hourly rate £23.17 £27.12 £30.15
% change year-on-year -14.56% -10.04% +50.75%

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 19 February 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 19 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
Blackpool -8 19 £425 -5.56% 1
Preston +6 6 £338 +3.85% 2
Blackburn - 3 £300 - 1
Chorley -2 1 £348 +30.89% 1
TDD
North West

For the 6 months to 19 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 Lancashire region with a requirement for TDD.

1 28 (77.78%) Agile Software Development
2 26 (72.22%) BDD
3 25 (69.44%) JavaScript
4 24 (66.67%) SQL
4 24 (66.67%) Java
5 18 (50.00%) Software Engineering
5 18 (50.00%) JIRA
6 17 (47.22%) Git (software)
6 17 (47.22%) Test Automation
6 17 (47.22%) REST
7 16 (44.44%) MySQL
8 15 (41.67%) Open Source
9 14 (38.89%) Confluence
9 14 (38.89%) Cucumber
9 14 (38.89%) MongoDB
9 14 (38.89%) Node.js
9 14 (38.89%) JUnit
9 14 (38.89%) SFIA
10 13 (36.11%) Slack
10 13 (36.11%) Linux
10 13 (36.11%) PostgreSQL
10 13 (36.11%) NoSQL
10 13 (36.11%) Kanban
10 13 (36.11%) Red Hat Enterprise Linux
10 13 (36.11%) Mentoring
10 13 (36.11%) Coaching
10 13 (36.11%) Microservices
11 12 (33.33%) Jenkins
11 12 (33.33%) SDLC
12 11 (30.56%) User Stories

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 14 (38.89%) Confluence
2 5 (13.89%) Tomcat
Applications
1 5 (13.89%) Microsoft Excel
2 1 (2.78%) MS Visio
Cloud Services
1 13 (36.11%) Slack
2 1 (2.78%) Amazon AWS
Communications & Networking
1 2 (5.56%) HTTP
Database & Business Intelligence
1 16 (44.44%) MySQL
2 14 (38.89%) MongoDB
3 13 (36.11%) NoSQL
3 13 (36.11%) PostgreSQL
4 9 (25.00%) Apache Cassandra
5 8 (22.22%) SQL Server
6 4 (11.11%) SQL Server 2014
7 1 (2.78%) Oracle Database
7 1 (2.78%) Relational Database
7 1 (2.78%) SQL Server Integration Services
Development Applications
1 18 (50.00%) JIRA
2 17 (47.22%) Git (software)
3 14 (38.89%) Cucumber
3 14 (38.89%) JUnit
4 12 (33.33%) Jenkins
5 10 (27.78%) Jasmine
6 1 (2.78%) HP UFT
6 1 (2.78%) Sahi
6 1 (2.78%) Selenium
6 1 (2.78%) Team Foundation Server
6 1 (2.78%) WATIR
General
1 2 (5.56%) Manufacturing
2 1 (2.78%) Finance
Job Titles
1 26 (72.22%) Developer
2 15 (41.67%) Java Developer
3 9 (25.00%) Software Engineer
4 7 (19.44%) Java Engineer
4 7 (19.44%) Java Software Engineer
4 7 (19.44%) Software Developer
5 6 (16.67%) .NET Developer
5 6 (16.67%) SQL Developer
6 5 (13.89%) ASP.NET MVC Developer
6 5 (13.89%) Java Software Developer
7 4 (11.11%) C# .NET Developer
7 4 (11.11%) C# Developer
8 3 (8.33%) Agile Developer
8 3 (8.33%) Full Stack Developer
8 3 (8.33%) SQL Server Developer
9 2 (5.56%) JavaScript Engineer
9 2 (5.56%) Lead Developer
9 2 (5.56%) MySQL Developer
9 2 (5.56%) NoSQL Developer
9 2 (5.56%) React Developer
Libraries, Frameworks & Software Standards
1 17 (47.22%) REST
2 14 (38.89%) Node.js
3 11 (30.56%) HTML
4 10 (27.78%) CSS
5 8 (22.22%) AngularJS
6 7 (19.44%) .NET
7 5 (13.89%) ASP.NET
7 5 (13.89%) ASP.NET MVC
7 5 (13.89%) ASP.NET MVC 5
7 5 (13.89%) Spring
8 4 (11.11%) JDBC
8 4 (11.11%) jQuery
8 4 (11.11%) KnockoutJS
8 4 (11.11%) React
8 4 (11.11%) Twitter Bootstrap
9 3 (8.33%) SOAP
9 3 (8.33%) XML
10 2 (5.56%) WCF
10 2 (5.56%) Web Services
10 2 (5.56%) WinForms
Miscellaneous
1 4 (11.11%) Enterprise Software
2 1 (2.78%) Management Information System
2 1 (2.78%) User Experience
Operating Systems
1 13 (36.11%) Linux
1 13 (36.11%) Red Hat Enterprise Linux
Processes & Methodologies
1 28 (77.78%) Agile Software Development
2 26 (72.22%) BDD
3 18 (50.00%) Software Engineering
4 17 (47.22%) Test Automation
5 15 (41.67%) Open Source
6 14 (38.89%) SFIA
7 13 (36.11%) Coaching
7 13 (36.11%) Kanban
7 13 (36.11%) Mentoring
7 13 (36.11%) Microservices
8 12 (33.33%) SDLC
9 11 (30.56%) Scrum
9 11 (30.56%) User Stories
10 10 (27.78%) MVC
11 6 (16.67%) Continuous Delivery
12 5 (13.89%) Continuous Integration
13 4 (11.11%) Pair Programming
13 4 (11.11%) Software Delivery
13 4 (11.11%) Web Application Development
14 3 (8.33%) Refactoring
Programming Languages
1 25 (69.44%) JavaScript
2 24 (66.67%) Java
2 24 (66.67%) SQL
3 11 (30.56%) C#
4 5 (13.89%) VB
5 4 (11.11%) VBA
6 2 (5.56%) C++
7 1 (2.78%) Ruby
Qualifications
1 1 (2.78%) SC Cleared
1 1 (2.78%) Security Cleared
Quality Assurance & Compliance
1 1 (2.78%) QA
Vendors
1 9 (25.00%) Red Hat
2 5 (13.89%) Microsoft
3 4 (11.11%) Oracle