Period
to 20 February 2018

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 20 February 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
6 months to
20 Feb 2018
Same period 2017 Same period 2016
Rank 31 20 21
Rank change year-on-year -11 +1 -6
Permanent jobs citing TDD 8 6 1
As % of all permanent IT jobs advertised in Marlow 4.06% 6.38% 1.52%
As % of the Processes & Methodologies category 7.69% 7.32% 1.79%
Number of salaries quoted 8 6 0
Marlow median annual salary £52,500 £55,000 -
Median salary % change year-on-year -4.55% - -
Buckinghamshire median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +5.26%

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 104 82 56
As % of all permanent IT jobs advertised in Marlow 52.79% 87.23% 84.85%
Number of salaries quoted 87 70 36
Marlow median annual salary £45,000 £40,000 £31,500
Median salary % change year-on-year +12.50% +26.98% -21.25%
10th Percentile £31,250 £27,125 £25,500
90th Percentile £67,500 £62,500 £61,875
Buckinghamshire median annual salary £45,000 £43,000 £42,500
% change year-on-year +4.65% +1.18% -

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 20 February 2018.

Salary histogram for TDD in Marlow

For the 6 months to 20 February 2018, IT 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 permanent job ads across the Marlow region with a requirement for TDD.

1 6 (75.00%) OO
2 5 (62.50%) Embedded C++
2 5 (62.50%) C++
2 5 (62.50%) Software Engineering
2 5 (62.50%) Qt
2 5 (62.50%) Software Architecture
2 5 (62.50%) Algorithms
3 3 (37.50%) Git (software)
3 3 (37.50%) Test Automation
3 3 (37.50%) BDD
3 3 (37.50%) Use Case
3 3 (37.50%) Java
4 2 (25.00%) JMeter
4 2 (25.00%) E-Commerce
4 2 (25.00%) Security Testing
4 2 (25.00%) Test Scripting
4 2 (25.00%) JIRA
4 2 (25.00%) Selenium
4 2 (25.00%) Ruby
4 2 (25.00%) Agile Software Development
4 2 (25.00%) OWASP
4 2 (25.00%) Appium
4 2 (25.00%) Gerrit
4 2 (25.00%) Jenkins
4 2 (25.00%) Cucumber
4 2 (25.00%) Mercurial
4 2 (25.00%) WebDriver
4 2 (25.00%) RhodeCode
4 2 (25.00%) Perfecto Mobile
5 1 (12.50%) SDLC

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 (12.50%) Elasticsearch
Database & Business Intelligence
1 1 (12.50%) MySQL
1 1 (12.50%) NoSQL
1 1 (12.50%) SQL Server
Development Applications
1 3 (37.50%) Git (software)
2 2 (25.00%) Appium
2 2 (25.00%) Cucumber
2 2 (25.00%) Gerrit
2 2 (25.00%) Jenkins
2 2 (25.00%) JIRA
2 2 (25.00%) JMeter
2 2 (25.00%) Mercurial
2 2 (25.00%) RhodeCode
2 2 (25.00%) Selenium
2 2 (25.00%) WebDriver
3 1 (12.50%) Ant
3 1 (12.50%) JUnit
3 1 (12.50%) Maven
Job Titles
1 5 (62.50%) C++ Software Engineer
1 5 (62.50%) Embedded C++ Engineer
1 5 (62.50%) Embedded C++ Software Engineer
1 5 (62.50%) Embedded Engineer
1 5 (62.50%) Embedded Software Engineer
1 5 (62.50%) Senior C++ Software Engineer
1 5 (62.50%) Senior Embedded Software Engineer
1 5 (62.50%) Senior Software Engineer
1 5 (62.50%) Software Engineer
2 1 (12.50%) Analyst
2 1 (12.50%) Automation Test Analyst
2 1 (12.50%) Developer
2 1 (12.50%) Digital Developer
2 1 (12.50%) J2EE Developer
2 1 (12.50%) Java Developer
2 1 (12.50%) Java/J2EE Developer
2 1 (12.50%) Test Analyst
2 1 (12.50%) Test Automation Engineer
2 1 (12.50%) Test Engineer
Libraries, Frameworks & Software Standards
1 5 (62.50%) Qt
2 1 (12.50%) .NET
2 1 (12.50%) ASP.NET
2 1 (12.50%) CSS
2 1 (12.50%) Hibernate
2 1 (12.50%) HTML
2 1 (12.50%) J2EE
2 1 (12.50%) jBPM
2 1 (12.50%) JDBC
2 1 (12.50%) RESTful
2 1 (12.50%) Struts
2 1 (12.50%) Struts2
2 1 (12.50%) XML
2 1 (12.50%) XSLT
Miscellaneous
1 5 (62.50%) Algorithms
Processes & Methodologies
1 6 (75.00%) OO
2 5 (62.50%) Software Architecture
2 5 (62.50%) Software Engineering
3 3 (37.50%) BDD
3 3 (37.50%) Test Automation
3 3 (37.50%) Use Case
4 2 (25.00%) Agile Software Development
4 2 (25.00%) E-Commerce
4 2 (25.00%) OWASP
4 2 (25.00%) Security Testing
4 2 (25.00%) Test Scripting
5 1 (12.50%) BPMN
5 1 (12.50%) Mentoring
5 1 (12.50%) MVC
5 1 (12.50%) OOP
5 1 (12.50%) SDLC
5 1 (12.50%) SOA
5 1 (12.50%) UML
5 1 (12.50%) Workflow
Programming Languages
1 5 (62.50%) C++
1 5 (62.50%) Embedded C++
2 3 (37.50%) Java
3 2 (25.00%) Ruby
4 1 (12.50%) C#
4 1 (12.50%) JavaScript
4 1 (12.50%) SQL
4 1 (12.50%) XPath
Vendors
1 2 (25.00%) Perfecto Mobile
2 1 (12.50%) IBM