Period
to 20 February 2018

The following table provides summary statistics for contract job vacancies advertised in High Wycombe 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 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)
Buckinghamshire > High Wycombe
6 months to
20 Feb 2018
Same period 2017 Same period 2016
Rank 13 - -
Rank change year-on-year - - +17
Contract jobs citing TDD 5 0 0
As % of all contract IT jobs advertised in High Wycombe 5.26% - -
As % of the Processes & Methodologies category 6.76% - -
Number of daily rates quoted 19 0 0
High Wycombe median daily rate £388 - -
Buckinghamshire median daily rate £431 £388 £425
% change year-on-year +11.29% -8.82% +2.41%
Number of hourly rates quoted 0 0 0
High Wycombe median hourly rate - - -
Buckinghamshire median hourly rate - - -

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 High Wycombe with a requirement for process or methodology skills.

All Process and Methodology Skills
High Wycombe
Contract vacancies with a requirement for process or methodology skills 74 50 64
As % of all contract IT jobs advertised in High Wycombe 77.89% 78.13% 77.11%
Number of daily rates quoted 35 26 38
High Wycombe median daily rate £350 £320 £319
Median daily rate % change year-on-year +9.38% +0.39% +2.00%
10th Percentile £254 £106 £181
90th Percentile £479 £506 £525
Buckinghamshire median daily rate £415 £400 £385
% change year-on-year +3.75% +3.90% +10.00%
Number of hourly rates quoted 26 18 1
High Wycombe median hourly rate £27.50 £11.13 £36.00
Median hourly rate % change year-on-year +147.19% -69.10% +300.00%
10th Percentile £12.25 £10.17 £35.50
90th Percentile £48.38 £42.10 £36.50
Buckinghamshire median hourly rate £18.00 £14.75 £16.14
% change year-on-year +22.03% -8.61% +29.12%

TDD
Job Vacancy Trend in High Wycombe

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

Job vacancy trend for TDD in High Wycombe

TDD
Contractor Daily Rate Trend in High Wycombe

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

Contractor daily rate trend for TDD in High Wycombe

TDD
Contractor Daily Rate Histogram in High Wycombe

The daily rate distribution of IT jobs citing TDD in High Wycombe over the 6 months to 20 February 2018.

Contractor daily rate histogram for TDD in High Wycombe

For the 6 months to 20 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 High Wycombe region with a requirement for TDD.

1 5 (100.00%) Agile Software Development
2 4 (80.00%) SQL Server
2 4 (80.00%) MVC
2 4 (80.00%) Finance
2 4 (80.00%) C#
2 4 (80.00%) .NET
2 4 (80.00%) SQL Server Integration Services
2 4 (80.00%) WCF
2 4 (80.00%) WPF
2 4 (80.00%) Team Foundation Server
2 4 (80.00%) SDLC
2 4 (80.00%) SOLID
2 4 (80.00%) SQL Server Reporting Services
2 4 (80.00%) Enterprise Software
2 4 (80.00%) ASP.NET Web API
2 4 (80.00%) Microsoft
3 3 (60.00%) Performance Tuning
4 1 (20.00%) Spring
4 1 (20.00%) DevOps
4 1 (20.00%) Continuous Deployment
4 1 (20.00%) Greenfield Project
4 1 (20.00%) Amazon EC2
4 1 (20.00%) Amazon S3
4 1 (20.00%) Amazon AWS
4 1 (20.00%) Amazon SQS
4 1 (20.00%) Continuous Integration
4 1 (20.00%) Kanban
4 1 (20.00%) J2EE
4 1 (20.00%) Java
4 1 (20.00%) Hibernate

TDD
Co-occurring IT Skills in High Wycombe 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:

Cloud Services
1 1 (20.00%) Amazon AWS
1 1 (20.00%) Amazon EC2
1 1 (20.00%) Amazon S3
1 1 (20.00%) Amazon SQS
Database & Business Intelligence
1 4 (80.00%) SQL Server
1 4 (80.00%) SQL Server Integration Services
1 4 (80.00%) SQL Server Reporting Services
Development Applications
1 4 (80.00%) Team Foundation Server
General
1 4 (80.00%) Finance
Job Titles
1 5 (100.00%) Developer
2 4 (80.00%) .NET Developer
2 4 (80.00%) ASP.NET MVC Developer
2 4 (80.00%) C# .NET Developer
2 4 (80.00%) C# Developer
2 4 (80.00%) C# WCF Developer
2 4 (80.00%) Full Stack Developer
2 4 (80.00%) SQL Developer
2 4 (80.00%) SQL Server Developer
2 4 (80.00%) SSIS Developer
2 4 (80.00%) SSRS Developer
2 4 (80.00%) WCF Developer
3 1 (20.00%) AWS Developer
3 1 (20.00%) Java Developer
Libraries, Frameworks & Software Standards
1 4 (80.00%) .NET
1 4 (80.00%) ASP.NET Web API
1 4 (80.00%) WCF
1 4 (80.00%) WPF
2 1 (20.00%) Hibernate
2 1 (20.00%) J2EE
2 1 (20.00%) Spring
Miscellaneous
1 4 (80.00%) Enterprise Software
2 1 (20.00%) Greenfield Project
Processes & Methodologies
1 5 (100.00%) Agile Software Development
2 4 (80.00%) MVC
2 4 (80.00%) SDLC
2 4 (80.00%) SOLID
3 3 (60.00%) Performance Tuning
4 1 (20.00%) Continuous Deployment
4 1 (20.00%) Continuous Integration
4 1 (20.00%) DevOps
4 1 (20.00%) E-Commerce
4 1 (20.00%) Kanban
4 1 (20.00%) Pair Programming
4 1 (20.00%) Scrum
Programming Languages
1 4 (80.00%) C#
2 1 (20.00%) Java
Vendors
1 4 (80.00%) Microsoft