The table below looks at the statistics for TDD skills in IT jobs advertised for the Isleworth region. Included is a guide to the average salaries offered in IT jobs that have cited TDD over the 3 months to 27 August 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
27 Aug 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 2 2 -
Rank change year-on-year
0 -
Permanent jobs citing TDD 5 16 0
As % of all permanent IT jobs located in Isleworth 50.00% 84.21% -
As % of the Processes & Methodologies category 55.56% 84.21% -
Number of salaries quoted 2 15 0
Average salary £48,750 £55,000 -
Average salary % change year-on-year
-11.36% -
UK excluding London average salary £42,500 £40,000 £40,000
% change year-on-year
+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 Isleworth region.

Processes & Methodologies Category
Isleworth
Permanent IT job ads with a match in the
Processes & Methodologies category
9 19 13
As % of all permanent IT jobs located in Isleworth 90.00% 100.00% 100.00%
Number of salaries quoted 4 16 1
Average salary £42,500 £55,000 £70,000
Average salary % change year-on-year
-22.72% -21.42%
UK excluding London average salary £45,000 £42,500 £41,250
% change year-on-year
+5.88% +3.03%

TDD
Jobs Demand Trend in Isleworth

This chart provides a 3-month moving total of permanent IT jobs citing TDD across the Isleworth region as a proportion of the total demand within the Processes & Methodologies category.

TDD Jobs Demand Trend in Isleworth

TDD
Salary Trend in Isleworth

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

TDD Salary Trend in Isleworth

TDD
Salary Histogram in Isleworth

This chart provides a salary histogram for IT jobs citing TDD across the Isleworth region over the 3 months to 27 August 2015.

TDD Salary Histogram in Isleworth

TDD
Top 30 Related IT Skills in Isleworth

For the 6 months to 27 August 2015, IT jobs across the Isleworth region citing TDD also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited TDD.

1 8 (100.00%) Agile Software Development
2 6 (75.00%) Scrum
3 4 (50.00%) Java
3 4 (50.00%) SQL
3 4 (50.00%) SQL Server
3 4 (50.00%) Data Analysis
3 4 (50.00%) Open Source
3 4 (50.00%) NoSQL
4 3 (37.50%) Data Visualisation
4 3 (37.50%) Castle Windsor
4 3 (37.50%) Ninject
4 3 (37.50%) MapReduce
4 3 (37.50%) Spring.NET
4 3 (37.50%) RESTful
4 3 (37.50%) Apache Solr
4 3 (37.50%) Scala
4 3 (37.50%) Hadoop
4 3 (37.50%) Visualisation
4 3 (37.50%) HBase
4 3 (37.50%) Machine Learning
4 3 (37.50%) Big Data
4 3 (37.50%) Statistical Modelling
4 3 (37.50%) Web Application Development
4 3 (37.50%) Analytics
4 3 (37.50%) Unity DI Container
4 3 (37.50%) Elasticsearch
4 3 (37.50%) Akka
4 3 (37.50%) Relational Database
4 3 (37.50%) Cascading
4 3 (37.50%) Functional Programming

TDD
Top Related IT Skills in Isleworth by Category

For the 6 months to 27 August 2015, IT jobs across the Isleworth region citing TDD also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited TDD. Up to 20 skills are shown per category.

Application Platforms
1 3 (37.50%) Apache Solr
1 3 (37.50%) Elasticsearch
1 3 (37.50%) Apache Spark
Applications
1 1 (12.50%) MS PowerPoint
1 1 (12.50%) PowerPivot
Database & Business Intelligence
1 4 (50.00%) SQL Server
1 4 (50.00%) NoSQL
2 3 (37.50%) HBase
2 3 (37.50%) Big Data
2 3 (37.50%) Relational Database
2 3 (37.50%) Hadoop
2 3 (37.50%) Apache Hive
2 3 (37.50%) Apache Cassandra
2 3 (37.50%) RDBMS
3 1 (12.50%) SQL Server Reporting Services
3 1 (12.50%) SQL Server 2005
3 1 (12.50%) SQL Server Integration Services
3 1 (12.50%) SQL Server Analysis Services
3 1 (12.50%) SQL Server 2008
3 1 (12.50%) Data Warehouse
3 1 (12.50%) Data Mining
Development Applications
1 3 (37.50%) NUnit
1 3 (37.50%) MSTest
1 3 (37.50%) Rhino Mocks
1 3 (37.50%) Moq
General
1 1 (12.50%) Manufacturing
Job Titles
1 5 (62.50%) Developer
2 3 (37.50%) Software Engineer
2 3 (37.50%) .NET Developer
2 3 (37.50%) Senior Software Engineer
3 1 (12.50%) Database Developer
3 1 (12.50%) SQL Developer
3 1 (12.50%) Senior Java Developer
3 1 (12.50%) SQL Database Developer
3 1 (12.50%) Business Intelligence Developer
3 1 (12.50%) Report Developer
3 1 (12.50%) Senior Developer
3 1 (12.50%) Java Developer
Libraries, Frameworks & Software Standards
1 3 (37.50%) WCF
1 3 (37.50%) Spring.NET
1 3 (37.50%) RESTful
1 3 (37.50%) ASP.NET MVC
1 3 (37.50%) Castle Windsor
1 3 (37.50%) Ninject
1 3 (37.50%) Unity DI Container
1 3 (37.50%) Akka
1 3 (37.50%) Cascading
1 3 (37.50%) .NET
1 3 (37.50%) ASP.NET
2 1 (12.50%) MDX
Miscellaneous
1 3 (37.50%) Visualisation
1 3 (37.50%) Inversion of Control
1 3 (37.50%) Algorithms
2 1 (12.50%) Analytical Skills
Processes & Methodologies
1 8 (100.00%) Agile Software Development
2 6 (75.00%) Scrum
3 4 (50.00%) Data Analysis
3 4 (50.00%) Open Source
4 3 (37.50%) Dependency Injection
4 3 (37.50%) Data Visualisation
4 3 (37.50%) MapReduce
4 3 (37.50%) Software Engineering
4 3 (37.50%) Enterprise Data Management
4 3 (37.50%) Continuous Integration
4 3 (37.50%) Kanban
4 3 (37.50%) Data Management
4 3 (37.50%) Data Modelling
4 3 (37.50%) MVC
4 3 (37.50%) Machine Learning
4 3 (37.50%) Statistical Modelling
4 3 (37.50%) Web Application Development
4 3 (37.50%) Analytics
4 3 (37.50%) Functional Programming
5 2 (25.00%) Continuous Improvement
Programming Languages
1 4 (50.00%) Java
1 4 (50.00%) SQL
2 3 (37.50%) C#
2 3 (37.50%) Scala
3 1 (12.50%) T-SQL
Qualifications
1 1 (12.50%) Degree
Quality Assurance & Compliance
1 1 (12.50%) QA