The table below looks at the statistics for TDD skills in IT jobs advertised for the Rickmansworth region. Included is a guide to the salaries offered in IT jobs that have cited TDD over the 3 months to 22 January 2017 with a comparison to the same period over the previous 2 years.

3 months to
22 Jan 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Hertfordshire / Rickmansworth
Rank 6 11 18
Rank change year-on-year
+5 +7
Permanent jobs citing TDD 9 6 10
As % of all permanent IT jobs located in Rickmansworth 24.32% 9.52% 14.08%
As % of the Processes & Methodologies category 25.00% 11.54% 14.49%
Number of salaries quoted 9 6 10
Median salary £65,000 £32,500 £45,000
Median salary % change year-on-year
+100.00% -27.77%
90% offered a salary of more than £45,000 £32,500 £33,750
10% offered a salary of more than £75,000 £32,500 £45,200
UK excluding London median salary £45,000 £45,000 £40,000
% change year-on-year
- +12.50%

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

Processes & Methodologies Category
Rickmansworth
Permanent IT job ads with a match in the
Processes & Methodologies category
36 52 69
As % of all permanent IT jobs located in Rickmansworth 97.30% 82.54% 97.18%
Number of salaries quoted 36 51 61
Median salary £60,000 £52,500 £75,000
Median salary % change year-on-year
+14.28% -30.00%
90% offered a salary of more than £45,000 £32,500 £40,000
10% offered a salary of more than £75,000 £85,000 £80,000
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year
- +5.88%

TDD
Jobs Demand Trend in Rickmansworth

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

TDD Jobs Demand Trend in Rickmansworth

TDD
Salary Trend in Rickmansworth

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

TDD Salary Trend in Rickmansworth

TDD
Salary Histogram in Rickmansworth

This chart provides a salary histogram for IT jobs citing TDD across the Rickmansworth region over the 3 months to 22 January 2017.

TDD Salary Histogram in Rickmansworth

TDD
Top 30 Related IT Skills in Rickmansworth

For the 6 months to 22 January 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 Rickmansworth region with a requirement for TDD.

1 16 (100.00%) Agile Software Development
2 13 (81.25%) Java
3 9 (56.25%) Finance
3 9 (56.25%) Spring
4 7 (43.75%) Scrum
4 7 (43.75%) Erlang
5 6 (37.50%) BDD
5 6 (37.50%) Oracle
6 4 (25.00%) PostgreSQL
6 4 (25.00%) Sybase
6 4 (25.00%) DB2
6 4 (25.00%) Web Services
6 4 (25.00%) MongoDB
6 4 (25.00%) Apache Cassandra
6 4 (25.00%) Big Data
6 4 (25.00%) REST
7 3 (18.75%) Continuous Integration
7 3 (18.75%) Team Foundation Server
7 3 (18.75%) QA
7 3 (18.75%) jQuery
7 3 (18.75%) Business Analysis
7 3 (18.75%) Java SE
7 3 (18.75%) Java EE
7 3 (18.75%) High Availability
7 3 (18.75%) Apache Camel
7 3 (18.75%) Functional Programming
7 3 (18.75%) SDLC
7 3 (18.75%) RabbitMQ
7 3 (18.75%) XML
7 3 (18.75%) OOP

TDD
Top Related IT Skills in Rickmansworth 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 3 (18.75%) MS Excel
1 3 (18.75%) MS Office
Database & Business Intelligence
1 4 (25.00%) Apache Cassandra
1 4 (25.00%) Big Data
1 4 (25.00%) DB2
1 4 (25.00%) MongoDB
1 4 (25.00%) PostgreSQL
2 3 (18.75%) SQL Server
Development Applications
1 3 (18.75%) Team Foundation Server
2 2 (12.50%) JIRA
2 2 (12.50%) Subversion
General
1 9 (56.25%) Finance
Job Titles
1 10 (62.50%) Developer
1 10 (62.50%) Java Developer
2 4 (25.00%) Erlang Developer
2 4 (25.00%) Senior Developer
2 4 (25.00%) Senior Java Developer
3 3 (18.75%) Analyst
3 3 (18.75%) Business Analyst
3 3 (18.75%) Finance Business Analyst
3 3 (18.75%) Financial Analyst
3 3 (18.75%) Financial Business Analyst
3 3 (18.75%) Java Engineer
3 3 (18.75%) Java Programmer
3 3 (18.75%) Programmer
3 3 (18.75%) Technical Leader
4 1 (6.25%) Agile Business Analyst
Libraries, Frameworks & Software Standards
1 9 (56.25%) Spring
2 4 (25.00%) REST
2 4 (25.00%) Web Services
3 3 (18.75%) Apache Camel
3 3 (18.75%) CSS
3 3 (18.75%) HTML
3 3 (18.75%) Java EE
3 3 (18.75%) Java SE
3 3 (18.75%) jQuery
3 3 (18.75%) Middleware
3 3 (18.75%) RabbitMQ
3 3 (18.75%) XML
4 2 (12.50%) Ajax
4 2 (12.50%) Hibernate
4 2 (12.50%) J2EE
4 2 (12.50%) JSF
Processes & Methodologies
1 16 (100.00%) Agile Software Development
2 7 (43.75%) Scrum
3 6 (37.50%) BDD
4 3 (18.75%) Business Analysis
4 3 (18.75%) Continuous Integration
4 3 (18.75%) Functional Programming
4 3 (18.75%) High Availability
4 3 (18.75%) OOD
4 3 (18.75%) OOP
4 3 (18.75%) SDLC
5 2 (12.50%) Enterprise Architecture
5 2 (12.50%) Unit Testing
Programming Languages
1 13 (81.25%) Java
2 7 (43.75%) Erlang
3 3 (18.75%) JavaScript
3 3 (18.75%) Perl
3 3 (18.75%) Python
4 2 (12.50%) PL/SQL
4 2 (12.50%) SQL
Quality Assurance & Compliance
1 3 (18.75%) QA
Vendors
1 6 (37.50%) Oracle
2 4 (25.00%) Sybase
3 3 (18.75%) IBM
3 3 (18.75%) Microsoft