Period
to 21 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Walton-on-Thames 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 21 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Surrey > Walton-on-Thames
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 17 24 33
Rank change year-on-year +7 +9 -
Permanent jobs citing TDD 3 8 16
As % of all permanent IT jobs advertised in Walton-on-Thames 9.09% 9.52% 11.35%
As % of the Processes & Methodologies category 9.68% 9.64% 11.43%
Number of salaries quoted 3 8 15
Walton-on-Thames median annual salary £57,500 £50,000 £50,000
Median salary % change year-on-year +15.00% - -
10th Percentile £37,250 £41,250 £43,750
90th Percentile £58,750 £56,250 £56,000
Surrey median annual salary £50,000 £50,000 £52,500
% change year-on-year - -4.76% +12.90%

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 Walton-on-Thames with a requirement for process or methodology skills.

All Process and Methodology Skills
Walton-on-Thames
Permanent vacancies with a requirement for process or methodology skills 31 83 140
As % of all permanent IT jobs advertised in Walton-on-Thames 93.94% 98.81% 99.29%
Number of salaries quoted 30 72 133
Walton-on-Thames median annual salary £46,250 £47,500 £47,500
Median salary % change year-on-year -2.63% - +35.71%
10th Percentile £23,500 £29,750 £29,250
90th Percentile £54,125 £57,500 £66,250
Surrey median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

TDD
Job Vacancy Trend in Walton-on-Thames

Job postings citing TDD as a percentage of all IT jobs advertised in Walton-on-Thames.

Job vacancy trend for TDD in Walton-on-Thames

TDD
Salary Trend in Walton-on-Thames

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

Salary trend for TDD in Walton-on-Thames

TDD
Salary Histogram in Walton-on-Thames

The salary distribution of IT jobs citing TDD in Walton-on-Thames over the 6 months to 21 November 2017.

Salary histogram for TDD in Walton-on-Thames

For the 6 months to 21 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 Walton-on-Thames region with a requirement for TDD.

1 3 (100.00%) Perl
1 3 (100.00%) Python
1 3 (100.00%) Finance
1 3 (100.00%) Automotive
1 3 (100.00%) Agile Software Development
1 3 (100.00%) Banking
2 2 (66.67%) Software Engineering
2 2 (66.67%) Static Code Analysis
2 2 (66.67%) Cross-Platform Development
2 2 (66.67%) Greenfield Project
2 2 (66.67%) Boost C++ Libraries
2 2 (66.67%) Windows
2 2 (66.67%) Linux
2 2 (66.67%) OOP
2 2 (66.67%) STL
2 2 (66.67%) C
2 2 (66.67%) C++
3 1 (33.33%) XML
3 1 (33.33%) E-Commerce
3 1 (33.33%) Client/Server
3 1 (33.33%) Telecoms
3 1 (33.33%) Project Planning
3 1 (33.33%) QA
3 1 (33.33%) Manual Testing
3 1 (33.33%) Test Automation

TDD
Co-occurring IT Skills in Walton-on-Thames 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:

General
1 3 (100.00%) Automotive
1 3 (100.00%) Banking
1 3 (100.00%) Finance
2 1 (33.33%) Telecoms
Job Titles
1 2 (66.67%) Agile Developer
1 2 (66.67%) C++ Developer
1 2 (66.67%) Developer
1 2 (66.67%) Senior Agile Developer
1 2 (66.67%) Senior C++ Developer
1 2 (66.67%) Senior Developer
2 1 (33.33%) Agile Tester
2 1 (33.33%) QA Engineer
2 1 (33.33%) QA Tester
2 1 (33.33%) Tester
Libraries, Frameworks & Software Standards
1 2 (66.67%) Boost C++ Libraries
1 2 (66.67%) STL
2 1 (33.33%) XML
Miscellaneous
1 2 (66.67%) Greenfield Project
2 1 (33.33%) Client/Server
Operating Systems
1 2 (66.67%) Linux
1 2 (66.67%) Windows
Processes & Methodologies
1 3 (100.00%) Agile Software Development
2 2 (66.67%) Cross-Platform Development
2 2 (66.67%) OOP
2 2 (66.67%) Software Engineering
2 2 (66.67%) Static Code Analysis
3 1 (33.33%) E-Commerce
3 1 (33.33%) Manual Testing
3 1 (33.33%) Project Planning
3 1 (33.33%) Test Automation
Programming Languages
1 3 (100.00%) Perl
1 3 (100.00%) Python
2 2 (66.67%) C
2 2 (66.67%) C++
Quality Assurance & Compliance
1 1 (33.33%) QA