Period
to 20 July 2017

The following table provides summary statistics for contract job vacancies advertised in Bromley 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 20 July 2017 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)
London > Bromley
6 months to
20 Jul 2017
Same period 2016 Same period 2015
Rank 17 23 19
Rank change year-on-year +6 -4 +8
Contract jobs citing TDD 6 11 3
As % of all contract IT jobs advertised in Bromley 5.08% 4.44% 2.44%
As % of the Processes & Methodologies category 5.88% 4.76% 3.45%
Number of daily rates quoted 6 11 2
Bromley median daily rate £575 £560 £325
Median daily rate % change year-on-year +2.68% +72.31% +44.44%
10th Percentile £519 £413 £233
90th Percentile £606 £725 £418
London median daily rate £500 £488 £450
% change year-on-year +2.56% +8.33% +2.86%
Number of hourly rates quoted 0 0 0
Bromley median hourly rate - - -
London median hourly rate £35.00 £55.00 -
% change year-on-year -36.36% - -

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Bromley with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Bromley
Contract job vacancies with a requirement for process and methodology skills 102 231 87
As % of all contract IT job vacancies advertised in Bromley 86.44% 93.15% 70.73%
Number of daily rates quoted 89 211 66
Bromley median daily rate £550 £475 £378
Median daily rate % change year-on-year +15.79% +25.83% +0.67%
10th Percentile £363 £310 £213
90th Percentile £675 £700 £600
London median daily rate £488 £463 £450
% change year-on-year +5.41% +2.78% +5.88%
Number of hourly rates quoted 5 1 5
Bromley median hourly rate £14.50 £12.50 £18.00
Median hourly rate % change year-on-year +16.00% -30.56% -7.69%
10th Percentile £12.25 £12.25 £11.20
90th Percentile £24.50 £12.75 £60.35
London median hourly rate £24.41 £21.34 £19.86
% change year-on-year +14.39% +7.47% +4.51%

TDD
Job Vacancy Trend in Bromley

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

Job vacancy trend for TDD in Bromley

TDD
Contractor Daily Rate Trend in Bromley

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

Contractor daily rate trend for TDD in Bromley

For the 6 months to 20 July 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Bromley region with a requirement for TDD.

1 4 (66.67%) Finance
1 4 (66.67%) Scrum
1 4 (66.67%) Banking
1 4 (66.67%) Agile Software Development
1 4 (66.67%) BDD
2 3 (50.00%) Prime Brokerage
2 3 (50.00%) C#
2 3 (50.00%) SQL
2 3 (50.00%) .NET
3 2 (33.33%) Oracle
3 2 (33.33%) SQL Server
3 2 (33.33%) Visual Studio
3 2 (33.33%) HTML
3 2 (33.33%) Python
3 2 (33.33%) IBM
3 2 (33.33%) Microsoft
3 2 (33.33%) Middleware
3 2 (33.33%) Investment Banking
3 2 (33.33%) Asset Management
3 2 (33.33%) Subversion
3 2 (33.33%) Equities
3 2 (33.33%) NUnit
3 2 (33.33%) SOLID
3 2 (33.33%) Technical Architecture
3 2 (33.33%) ReSharper
3 2 (33.33%) Parallel Computing
3 2 (33.33%) Dependency Injection
3 2 (33.33%) LINQ
3 2 (33.33%) Oracle Database 11g
3 2 (33.33%) SQL Server 2008

TDD
Co-occurring IT Skills in Bromley 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:

Database & Business Intelligence
1 2 (33.33%) Oracle Database
1 2 (33.33%) Oracle Database 11g
1 2 (33.33%) Relational Database
1 2 (33.33%) SQL Server
1 2 (33.33%) SQL Server 2008
Development Applications
1 2 (33.33%) Jenkins
1 2 (33.33%) NUnit
1 2 (33.33%) ReSharper
1 2 (33.33%) SpecFlow
1 2 (33.33%) Subversion
1 2 (33.33%) TeamCity
1 2 (33.33%) Visual Studio
General
1 4 (66.67%) Banking
1 4 (66.67%) Finance
2 3 (50.00%) Prime Brokerage
3 2 (33.33%) Investment Banking
4 1 (16.67%) Back Office
Job Titles
1 4 (66.67%) Developer
2 2 (33.33%) .NET Developer
2 2 (33.33%) Analyst
2 2 (33.33%) Business Analyst
2 2 (33.33%) C# .NET Developer
2 2 (33.33%) C# Developer
2 2 (33.33%) C# Developer - Prime Brokerage
3 1 (16.67%) Agile Business Analyst
3 1 (16.67%) Banking Analyst
3 1 (16.67%) Investment Banking Business Analyst
3 1 (16.67%) Python Developer
3 1 (16.67%) Senior Analyst
3 1 (16.67%) Senior Business Analyst
3 1 (16.67%) Technical Analyst
3 1 (16.67%) Technical Business Analyst
3 1 (16.67%) UI Developer
Libraries, Frameworks & Software Standards
1 3 (50.00%) .NET
2 2 (33.33%) AngularJS
2 2 (33.33%) HTML
2 2 (33.33%) LINQ
2 2 (33.33%) Middleware
3 1 (16.67%) CSS
3 1 (16.67%) CSS3
3 1 (16.67%) HTML5
3 1 (16.67%) React
Miscellaneous
1 2 (33.33%) Equities
2 1 (16.67%) User Experience
2 1 (16.67%) Virtual Team
Processes & Methodologies
1 4 (66.67%) Agile Software Development
1 4 (66.67%) BDD
1 4 (66.67%) Scrum
2 2 (33.33%) Asset Management
2 2 (33.33%) ATDD
2 2 (33.33%) Dependency Injection
2 2 (33.33%) Parallel Computing
2 2 (33.33%) SOLID
2 2 (33.33%) Technical Architecture
3 1 (16.67%) Continuous Delivery
3 1 (16.67%) Kanban
3 1 (16.67%) Pair Programming
3 1 (16.67%) Stakeholder Management
Programming Languages
1 3 (50.00%) C#
1 3 (50.00%) SQL
2 2 (33.33%) Python
2 2 (33.33%) Scala
3 1 (16.67%) Java
3 1 (16.67%) JavaScript
Vendors
1 2 (33.33%) IBM
1 2 (33.33%) Microsoft
1 2 (33.33%) Oracle
2 1 (16.67%) GoldenSource