The table below looks at the statistics for TDD skills in IT jobs advertised for the Chiswick region. Included is a guide to the salaries offered in IT jobs that have cited TDD over the 3 months to 29 September 2016 with a comparison to the same period over the previous 2 years.

3 months to
29 Sep 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 25 25 13
Rank change year-on-year
0 -12
Permanent jobs citing TDD 1 3 2
As % of all permanent IT jobs located in Chiswick 1.27% 4.11% 4.55%
As % of the Processes & Methodologies category 1.47% 5.36% 5.88%
Number of salaries quoted 1 3 2
Median salary £32,500 £40,000 £48,750
Median salary % change year-on-year
-18.75% -17.94%
UK excluding London median salary £45,000 £42,500 £40,000
% change year-on-year
+5.88% +6.25%
TDD
London

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in permanent jobs advertised in the Chiswick region.

Processes & Methodologies Category
Chiswick
Permanent IT job ads with a match in the
Processes & Methodologies category
68 56 34
As % of all permanent IT jobs located in Chiswick 86.08% 76.71% 77.27%
Number of salaries quoted 59 54 33
Median salary £55,000 £45,000 £42,500
Median salary % change year-on-year
+22.22% +5.88%
90% offered a salary of more than £50,000 £36,000 £30,000
10% offered a salary of more than £75,000 £50,000 £65,000
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year
- +5.88%

TDD
Jobs Demand Trend in Chiswick

The demand trend of job ads across the Chiswick region citing TDD as a proportion of all IT jobs with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Chiswick

TDD
Salary Trend in Chiswick

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

TDD Salary Trend in Chiswick

TDD
Top 30 Related IT Skills in Chiswick

For the 6 months to 29 September 2016, 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 Chiswick region with a requirement for TDD.

1 3 (100.00%) Agile Software Development
2 2 (66.67%) SQL
3 1 (33.33%) T-SQL
3 1 (33.33%) SQL Server
3 1 (33.33%) Data Warehouse
3 1 (33.33%) Data Mining
3 1 (33.33%) Business Intelligence
3 1 (33.33%) HP UFT
3 1 (33.33%) Java
3 1 (33.33%) Front Office
3 1 (33.33%) Back Office
3 1 (33.33%) SEO
3 1 (33.33%) Manufacturing
3 1 (33.33%) Validation
3 1 (33.33%) Scrum
3 1 (33.33%) Pair Programming
3 1 (33.33%) SQL Server Reporting Services
3 1 (33.33%) Data Analysis
3 1 (33.33%) Business Analysis
3 1 (33.33%) Ruby
3 1 (33.33%) MS PowerPoint
3 1 (33.33%) SQL Server 2005
3 1 (33.33%) SQL Server Integration Services
3 1 (33.33%) Degree
3 1 (33.33%) MDX
3 1 (33.33%) Computer Science
3 1 (33.33%) QA
3 1 (33.33%) WATIR
3 1 (33.33%) Selenium
3 1 (33.33%) FitNesse

TDD
Top Related IT Skills in Chiswick 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:

Applications
1 1 (33.33%) MS PowerPoint
Database & Business Intelligence
1 1 (33.33%) Data Mining
1 1 (33.33%) Data Warehouse
1 1 (33.33%) PowerPivot
1 1 (33.33%) SQL Server
1 1 (33.33%) SQL Server 2005
1 1 (33.33%) SQL Server 2008
1 1 (33.33%) SQL Server Analysis Services
1 1 (33.33%) SQL Server Integration Services
1 1 (33.33%) SQL Server Reporting Services
Development Applications
1 1 (33.33%) Cucumber
1 1 (33.33%) eggPlant
1 1 (33.33%) FitNesse
1 1 (33.33%) HP UFT
1 1 (33.33%) Selenium
1 1 (33.33%) WATIR
General
1 1 (33.33%) Back Office
1 1 (33.33%) Front Office
1 1 (33.33%) Manufacturing
Job Titles
1 2 (66.67%) Developer
2 1 (33.33%) Analyst
2 1 (33.33%) Business Intelligence Developer
2 1 (33.33%) Java Developer
2 1 (33.33%) QA Analyst
2 1 (33.33%) Senior Developer
2 1 (33.33%) Senior Java Developer
2 1 (33.33%) SQL BI Developer
2 1 (33.33%) SQL Developer
2 1 (33.33%) SSIS Developer
2 1 (33.33%) SSRS Developer
2 1 (33.33%) T-SQL Developer
Libraries, Frameworks & Software Standards
1 1 (33.33%) MDX
Miscellaneous
1 1 (33.33%) Analytical Skills
1 1 (33.33%) Computer Science
Processes & Methodologies
1 3 (100.00%) Agile Software Development
2 1 (33.33%) BDD
2 1 (33.33%) Business Analysis
2 1 (33.33%) Business Intelligence
2 1 (33.33%) Concurrent Programming
2 1 (33.33%) Continuous Improvement
2 1 (33.33%) Data Analysis
2 1 (33.33%) Functional Testing
2 1 (33.33%) Low Latency
2 1 (33.33%) Manual Testing
2 1 (33.33%) Multithreading
2 1 (33.33%) Pair Programming
2 1 (33.33%) Performance Tuning
2 1 (33.33%) Scrum
2 1 (33.33%) SEO
2 1 (33.33%) Test Scripting
2 1 (33.33%) Validation
Programming Languages
1 2 (66.67%) SQL
2 1 (33.33%) Java
2 1 (33.33%) Ruby
2 1 (33.33%) Scala
2 1 (33.33%) T-SQL
Qualifications
1 1 (33.33%) Degree
Quality Assurance & Compliance
1 1 (33.33%) QA