Period
to 9 December 2018

The following table provides summary statistics for permanent job vacancies advertised in Essex 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 9 December 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
6 months to
9 Dec 2018
Same period 2017 Same period 2016
Rank 34 22 67
Rank change year-on-year -12 +45 -14
Permanent jobs citing TDD 71 129 72
As % of all permanent IT jobs advertised in Essex 5.99% 9.32% 3.49%
As % of the Processes & Methodologies category 7.22% 10.76% 3.80%
Number of salaries quoted 66 114 49
Essex median annual salary £50,000 £50,000 £45,000
Median salary % change year-on-year - +11.11% +2.86%
10th Percentile £24,000 £32,500 £32,500
90th Percentile £66,875 £69,625 £65,000
East of England median annual salary £52,500 £49,500 £46,500
% change year-on-year +6.06% +6.45% -2.11%

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 Essex with a requirement for process or methodology skills.

All Process and Methodology Skills
Essex
Permanent vacancies with a requirement for process or methodology skills 984 1,199 1,896
As % of all permanent IT jobs advertised in Essex 83.04% 86.63% 91.90%
Number of salaries quoted 744 1,002 1,424
Essex median annual salary £42,500 £45,000 £45,000
Median salary % change year-on-year -5.56% - +12.50%
10th Percentile £22,800 £27,500 £28,314
90th Percentile £68,750 £67,500 £68,750
East of England median annual salary £47,500 £47,500 £45,000
% change year-on-year - +5.56% -

TDD
Job Vacancy Trend in Essex

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

Job vacancy trend for TDD in Essex

TDD
Salary Trend in Essex

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

Salary trend for TDD in Essex

TDD
Salary Histogram in Essex

The salary distribution of IT jobs citing TDD in Essex over the 6 months to 9 December 2018.

Salary histogram for TDD in Essex

TDD
Job Locations in Essex

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the Essex region over the 6 months to 9 December 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Chelmsford +3 46 £50,000 - 2
Southend-on-Sea -2 7 £22,500 -65.10% 4
Colchester +12 6 £40,000 +14.29% 2
Harlow -8 5 £50,000 -23.08% 1
Basildon -14 1 £57,500 +4.55%
TDD
East of England

For the 6 months to 9 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 Essex region with a requirement for TDD.

1 56 (78.87%) SQL
2 50 (70.42%) Agile Software Development
3 44 (61.97%) Java
4 42 (59.15%) MVC
5 41 (57.75%) C#
6 35 (49.30%) SQL Server
6 35 (49.30%) Degree
7 34 (47.89%) .NET
8 33 (46.48%) Computer Science
8 33 (46.48%) Computer Science Degree
9 31 (43.66%) Microsoft
10 27 (38.03%) BDD
11 25 (35.21%) Spring
12 24 (33.80%) Visual Studio
12 24 (33.80%) Continuous Improvement
13 23 (32.39%) OO
14 22 (30.99%) AngularJS
15 19 (26.76%) Software Delivery
15 19 (26.76%) Team Foundation Server
15 19 (26.76%) Time Management
16 18 (25.35%) Spring MVC
16 18 (25.35%) NUnit
17 17 (23.94%) Python
17 17 (23.94%) Test Automation
18 16 (22.54%) JavaScript
19 15 (21.13%) VB
19 15 (21.13%) Regression Testing
19 15 (21.13%) ISEB
19 15 (21.13%) Subversion
19 15 (21.13%) Test Scripting

TDD
Co-occurring IT Skills in Essex 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 13 (18.31%) JBoss
2 4 (5.63%) IIS
3 1 (1.41%) Mule
3 1 (1.41%) Oracle Service Bus
3 1 (1.41%) Oracle SOA Suite
Applications
1 2 (2.82%) Microsoft Excel
1 2 (2.82%) Microsoft Office
Cloud Services
1 7 (9.86%) Microsoft Azure
Communications & Networking
1 1 (1.41%) Internet
Database & Business Intelligence
1 35 (49.30%) SQL Server
2 13 (18.31%) MySQL
3 3 (4.23%) SQL Server 2016
4 1 (1.41%) NoSQL
4 1 (1.41%) SQL Server Integration Services
4 1 (1.41%) SQL Server Reporting Services
Development Applications
1 24 (33.80%) Visual Studio
2 19 (26.76%) Team Foundation Server
3 18 (25.35%) NUnit
4 15 (21.13%) MSTest
4 15 (21.13%) SpecFlow
4 15 (21.13%) Subversion
4 15 (21.13%) Visual Studio Team System
4 15 (21.13%) WatiN
5 14 (19.72%) Git (software)
6 6 (8.45%) JUnit
7 4 (5.63%) TeamCity
8 3 (4.23%) Moq
General
1 6 (8.45%) Automotive
2 5 (7.04%) Games
2 5 (7.04%) Retail
3 2 (2.82%) Finance
4 1 (1.41%) Banking
4 1 (1.41%) Electronics
4 1 (1.41%) Manufacturing
4 1 (1.41%) Marketing
4 1 (1.41%) Telecoms
Job Titles
1 45 (63.38%) Developer
2 26 (36.62%) Java Developer
3 15 (21.13%) Analyst
3 15 (21.13%) Test Analyst
3 15 (21.13%) Tester
4 14 (19.72%) Automation Test Analyst
4 14 (19.72%) Automation Tester
5 13 (18.31%) Graduate
5 13 (18.31%) Graduate Developer
6 8 (11.27%) .NET Developer
7 7 (9.86%) Graduate Software Developer
7 7 (9.86%) Senior Developer
7 7 (9.86%) Software Developer
7 7 (9.86%) Software Engineer
8 6 (8.45%) J2EE Developer
8 6 (8.45%) Java/J2EE Developer
8 6 (8.45%) Junior Developer
8 6 (8.45%) Junior J2EE Developer
8 6 (8.45%) Junior Java Developer
8 6 (8.45%) SQL Developer
Libraries, Frameworks & Software Standards
1 34 (47.89%) .NET
2 25 (35.21%) Spring
3 22 (30.99%) AngularJS
4 18 (25.35%) Spring MVC
5 15 (21.13%) Gherkin
6 14 (19.72%) jQuery
7 13 (18.31%) ASP.NET
8 10 (14.08%) RESTful
8 10 (14.08%) WCF
9 9 (12.68%) CSS
9 9 (12.68%) HTML
10 8 (11.27%) Web Services
11 7 (9.86%) React
11 7 (9.86%) Vue.js
12 6 (8.45%) .NET Framework
12 6 (8.45%) Entity Framework
12 6 (8.45%) Hibernate
12 6 (8.45%) J2EE
12 6 (8.45%) JPA
12 6 (8.45%) Struts
Miscellaneous
1 4 (5.63%) Fintech
2 3 (4.23%) Greenfield Project
3 2 (2.82%) User Experience
4 1 (1.41%) Mobile App
4 1 (1.41%) Replication
Operating Systems
1 7 (9.86%) Windows
2 6 (8.45%) Windows 10
2 6 (8.45%) Windows 7
3 4 (5.63%) Windows Server
4 1 (1.41%) Android
4 1 (1.41%) Apple iOS
Processes & Methodologies
1 50 (70.42%) Agile Software Development
2 42 (59.15%) MVC
3 33 (46.48%) Computer Science
4 27 (38.03%) BDD
5 24 (33.80%) Continuous Improvement
6 23 (32.39%) OO
7 19 (26.76%) Software Delivery
7 19 (26.76%) Time Management
8 17 (23.94%) Test Automation
9 15 (21.13%) Acceptance Criteria
9 15 (21.13%) Non-Functional Testing
9 15 (21.13%) Regression Testing
9 15 (21.13%) SDLC
9 15 (21.13%) Test Scripting
9 15 (21.13%) User Acceptance Testing
9 15 (21.13%) Waterfall
10 13 (18.31%) Software Engineering
10 13 (18.31%) Unit Testing
11 10 (14.08%) Scrum
12 9 (12.68%) Kanban
Programming Languages
1 56 (78.87%) SQL
2 44 (61.97%) Java
3 41 (57.75%) C#
4 17 (23.94%) Python
5 16 (22.54%) JavaScript
6 15 (21.13%) VB
7 10 (14.08%) T-SQL
8 7 (9.86%) Java 8
8 7 (9.86%) PHP
9 6 (8.45%) C++
10 4 (5.63%) C
10 4 (5.63%) VB.NET
11 3 (4.23%) Ruby
12 1 (1.41%) Delphi
Qualifications
1 35 (49.30%) Degree
2 33 (46.48%) Computer Science Degree
3 15 (21.13%) ISEB
3 15 (21.13%) ISTQB
Quality Assurance & Compliance
1 2 (2.82%) QA
Vendors
1 31 (43.66%) Microsoft
2 1 (1.41%) Oracle
2 1 (1.41%) SAP
2 1 (1.41%) Talend
2 1 (1.41%) WSO2