Period
to 11 December 2018

The following table provides summary statistics for permanent job vacancies advertised in Leatherhead 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 11 December 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Surrey > Leatherhead
6 months to
11 Dec 2018
Same period 2017 Same period 2016
Rank 9 22 10
Rank change year-on-year +13 -12 +29
Permanent jobs citing TDD 64 38 97
As % of all permanent IT jobs advertised in Leatherhead 19.10% 10.16% 23.72%
As % of the Processes & Methodologies category 21.48% 11.41% 25.53%
Number of salaries quoted 66 36 96
Leatherhead median annual salary £52,500 £50,000 £42,500
Median salary % change year-on-year +5.00% +17.65% -22.73%
10th Percentile £41,500 £26,250 £25,000
90th Percentile £68,750 £70,000 £55,500
Surrey median annual salary £50,000 £50,000 £50,000

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 Leatherhead with a requirement for process or methodology skills.

All Process and Methodology Skills
Leatherhead
Permanent vacancies with a requirement for process or methodology skills 298 333 380
As % of all permanent IT jobs advertised in Leatherhead 88.96% 89.04% 92.91%
Number of salaries quoted 266 291 365
Leatherhead median annual salary £49,000 £46,500 £42,500
Median salary % change year-on-year +5.38% +9.41% -5.56%
10th Percentile £25,000 £21,250 £21,250
90th Percentile £68,750 £65,000 £57,500
Surrey median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% +5.56%

TDD
Job Vacancy Trend in Leatherhead

Job postings citing TDD as a percentage of all IT jobs advertised in Leatherhead.

Job vacancy trend for TDD in Leatherhead

TDD
Salary Trend in Leatherhead

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

Salary trend for TDD in Leatherhead

TDD
Salary Histogram in Leatherhead

The salary distribution of IT jobs citing TDD in Leatherhead over the 6 months to 11 December 2018.

Salary histogram for TDD in Leatherhead

For the 6 months to 11 December 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 Leatherhead region with a requirement for TDD.

1 55 (85.94%) C#
2 50 (78.13%) Visual Studio
3 39 (60.94%) SQL
4 34 (53.13%) .NET
4 34 (53.13%) SQL Server
4 34 (53.13%) Microsoft Azure
5 33 (51.56%) SOLID
6 27 (42.19%) Agile Software Development
7 25 (39.06%) SDLC
8 24 (37.50%) Windows
9 23 (35.94%) Java
9 23 (35.94%) Scrum
10 22 (34.38%) WCF
10 22 (34.38%) Microsoft
10 22 (34.38%) MVC
10 22 (34.38%) Team Foundation Server
11 21 (32.81%) Linux
11 21 (32.81%) WPF
12 20 (31.25%) C++
13 18 (28.13%) ASP.NET
14 17 (26.56%) Unit Testing
14 17 (26.56%) Amazon AWS
14 17 (26.56%) ASP.NET MVC
14 17 (26.56%) Microservices
14 17 (26.56%) Apache Spark
14 17 (26.56%) Machine Learning
14 17 (26.56%) AngularJS
14 17 (26.56%) Customer-Centricity
15 16 (25.00%) Greenfield Project
15 16 (25.00%) Data Science

TDD
Co-occurring IT Skills in Leatherhead 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 17 (26.56%) Apache Spark
Cloud Services
1 34 (53.13%) Microsoft Azure
2 17 (26.56%) Amazon AWS
3 16 (25.00%) SaaS
Communications & Networking
1 4 (6.25%) HTTP
Database & Business Intelligence
1 34 (53.13%) SQL Server
2 4 (6.25%) VoltDB
Development Applications
1 50 (78.13%) Visual Studio
2 22 (34.38%) Team Foundation Server
3 6 (9.38%) Git (software)
4 5 (7.81%) Selenium
4 5 (7.81%) SpecFlow
General
1 2 (3.13%) Aerospace
1 2 (3.13%) Automotive
1 2 (3.13%) Military
1 2 (3.13%) Telecoms
2 1 (1.56%) Avionics
2 1 (1.56%) Electronics
2 1 (1.56%) Games
Job Titles
1 57 (89.06%) Developer
2 19 (29.69%) .NET Developer
3 17 (26.56%) Software Developer
4 16 (25.00%) Senior Developer
5 14 (21.88%) C# Developer
5 14 (21.88%) C++ Developer
6 13 (20.31%) C++ Software Developer
7 9 (14.06%) Lead .NET Developer
7 9 (14.06%) Lead Developer
8 8 (12.50%) Senior .NET Developer
9 5 (7.81%) Java Developer
9 5 (7.81%) QA Manager
10 4 (6.25%) Senior Java Developer
10 4 (6.25%) Senior Software Developer
11 2 (3.13%) Angular Developer
11 2 (3.13%) Data Science Developer
12 1 (1.56%) Applications Developer
12 1 (1.56%) C++ GUI Developer
12 1 (1.56%) C++ Software Engineer
12 1 (1.56%) GUI Software Engineer
Libraries, Frameworks & Software Standards
1 34 (53.13%) .NET
2 22 (34.38%) WCF
3 21 (32.81%) WPF
4 18 (28.13%) ASP.NET
5 17 (26.56%) AngularJS
5 17 (26.56%) ASP.NET MVC
6 16 (25.00%) .NET Framework
7 9 (14.06%) Web Services
8 6 (9.38%) Spring
9 5 (7.81%) Gherkin
9 5 (7.81%) REST
10 4 (6.25%) Guava
10 4 (6.25%) JDBC
10 4 (6.25%) JSON
10 4 (6.25%) WinForms
10 4 (6.25%) XML
11 3 (4.69%) Qt
12 2 (3.13%) CGI
12 2 (3.13%) Hibernate
13 1 (1.56%) Java EE
Miscellaneous
1 16 (25.00%) Greenfield Project
2 4 (6.25%) Clustering
2 4 (6.25%) PKI
3 2 (3.13%) Smart Meter
Operating Systems
1 24 (37.50%) Windows
2 21 (32.81%) Linux
Processes & Methodologies
1 33 (51.56%) SOLID
2 27 (42.19%) Agile Software Development
3 25 (39.06%) SDLC
4 23 (35.94%) Scrum
5 22 (34.38%) MVC
6 17 (26.56%) Customer-Centricity
6 17 (26.56%) Machine Learning
6 17 (26.56%) Microservices
6 17 (26.56%) Unit Testing
7 16 (25.00%) CQRS
7 16 (25.00%) Data Science
7 16 (25.00%) Domain-Driven Design
7 16 (25.00%) Mentoring
7 16 (25.00%) Test Automation
8 6 (9.38%) BDD
9 5 (7.81%) SOA
10 4 (6.25%) Dependency Injection
10 4 (6.25%) Mathematics
10 4 (6.25%) Multithreading
10 4 (6.25%) Waterfall
Programming Languages
1 55 (85.94%) C#
2 39 (60.94%) SQL
3 23 (35.94%) Java
4 20 (31.25%) C++
5 16 (25.00%) Python
6 5 (7.81%) Java 8
6 5 (7.81%) PL/SQL
7 1 (1.56%) JavaScript
Qualifications
1 5 (7.81%) SC Cleared
1 5 (7.81%) Security Cleared
Quality Assurance & Compliance
1 5 (7.81%) QA
Systems Management
1 5 (7.81%) Opscode Chef
Vendors
1 22 (34.38%) Microsoft
2 4 (6.25%) Oracle