Period
to 24 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Marlow with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 6 months to 24 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 31 19 12
Rank change year-on-year -12 -7 +8
Permanent jobs citing TDD 10 7 1
As % of all permanent IT jobs advertised in Marlow 7.19% 7.22% 2.56%
As % of the Processes & Methodologies category 12.99% 9.21% 2.86%
Number of salaries quoted 10 7 1
Marlow median annual salary £42,500 £55,000 £47,500
Median salary % change year-on-year -22.73% +15.79% +18.75%
10th Percentile £40,750 £47,500 £43,750
90th Percentile £53,000 £62,500 £51,250
Buckinghamshire median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% -

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Marlow with a requirement for process or methodology skills.

All Process and Methodology Skills
Marlow
Permanent vacancies with a requirement for process or methodology skills 77 76 35
As % of all permanent IT jobs advertised in Marlow 55.40% 78.35% 89.74%
Number of salaries quoted 70 50 20
Marlow median annual salary £40,000 £45,000 £42,500
Median salary % change year-on-year -11.11% +5.88% +6.25%
10th Percentile £31,250 £23,725 £23,125
90th Percentile £52,500 £62,500 £75,625
Buckinghamshire median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - -

TDD
Job Vacancy Trend in Marlow

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

Job vacancy trend for TDD in Marlow

TDD
Salary Trend in Marlow

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in Marlow.

Salary trend for TDD in Marlow

TDD
Salary Histogram in Marlow

The salary distribution of IT jobs citing TDD in Marlow over the 6 months to 24 November 2017.

Salary histogram for TDD in Marlow

For the 6 months to 24 November 2017, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Marlow region with a requirement for TDD.

1 10 (100.00%) C#
1 10 (100.00%) .NET
1 10 (100.00%) SQL Server
1 10 (100.00%) ASP.NET
2 9 (90.00%) MVC
2 9 (90.00%) Internet
3 8 (80.00%) ASP.NET MVC
4 7 (70.00%) BDD
4 7 (70.00%) OO
5 6 (60.00%) Games
5 6 (60.00%) Agile Software Development
5 6 (60.00%) SQL Server 2016
5 6 (60.00%) ASP.NET MVC 5
5 6 (60.00%) Greenfield Project
5 6 (60.00%) Domain-Driven Design
5 6 (60.00%) CQRS
5 6 (60.00%) Web Application Development
5 6 (60.00%) WCF
6 4 (40.00%) Git (software)
6 4 (40.00%) CSS
6 4 (40.00%) HTML
6 4 (40.00%) JavaScript
7 3 (30.00%) HTTP
7 3 (30.00%) DNS
7 3 (30.00%) jQuery
7 3 (30.00%) SaaS
8 2 (20.00%) Degree
9 1 (10.00%) Hibernate
9 1 (10.00%) Maven
9 1 (10.00%) jBPM

TDD
Co-occurring IT Skills in Marlow 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 1 (10.00%) Elasticsearch
Cloud Services
1 3 (30.00%) SaaS
Communications & Networking
1 9 (90.00%) Internet
2 3 (30.00%) DNS
2 3 (30.00%) HTTP
Database & Business Intelligence
1 10 (100.00%) SQL Server
2 6 (60.00%) SQL Server 2016
3 1 (10.00%) MySQL
3 1 (10.00%) NoSQL
Development Applications
1 4 (40.00%) Git (software)
2 1 (10.00%) Ant
2 1 (10.00%) JUnit
2 1 (10.00%) Maven
General
1 6 (60.00%) Games
Job Titles
1 10 (100.00%) Developer
2 6 (60.00%) .NET Developer
3 3 (30.00%) Software Developer
4 2 (20.00%) C# Developer
4 2 (20.00%) C# Software Developer
5 1 (10.00%) Digital Developer
5 1 (10.00%) J2EE Developer
5 1 (10.00%) Java Developer
5 1 (10.00%) Java/J2EE Developer
Libraries, Frameworks & Software Standards
1 10 (100.00%) .NET
1 10 (100.00%) ASP.NET
2 8 (80.00%) ASP.NET MVC
3 6 (60.00%) ASP.NET MVC 5
3 6 (60.00%) WCF
4 4 (40.00%) CSS
4 4 (40.00%) HTML
5 3 (30.00%) jQuery
6 1 (10.00%) Hibernate
6 1 (10.00%) J2EE
6 1 (10.00%) jBPM
6 1 (10.00%) JDBC
6 1 (10.00%) RESTful
6 1 (10.00%) Struts
6 1 (10.00%) Struts2
6 1 (10.00%) XML
6 1 (10.00%) XSLT
Miscellaneous
1 6 (60.00%) Greenfield Project
Processes & Methodologies
1 9 (90.00%) MVC
2 7 (70.00%) BDD
2 7 (70.00%) OO
3 6 (60.00%) Agile Software Development
3 6 (60.00%) CQRS
3 6 (60.00%) Domain-Driven Design
3 6 (60.00%) Web Application Development
4 1 (10.00%) BPMN
4 1 (10.00%) Mentoring
4 1 (10.00%) OOP
4 1 (10.00%) SDLC
4 1 (10.00%) SOA
4 1 (10.00%) Test Automation
4 1 (10.00%) UML
4 1 (10.00%) Use Case
4 1 (10.00%) Workflow
Programming Languages
1 10 (100.00%) C#
2 4 (40.00%) JavaScript
3 1 (10.00%) Java
3 1 (10.00%) SQL
3 1 (10.00%) XPath
Qualifications
1 2 (20.00%) Degree
Vendors
1 1 (10.00%) IBM