Period
to 22 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Norwich 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 22 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Norfolk > Norwich
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 24 50 20
Rank change year-on-year +26 -30 0
Permanent jobs citing TDD 30 17 28
As % of all permanent IT jobs advertised in Norwich 10.14% 3.59% 8.86%
As % of the Processes & Methodologies category 10.75% 3.94% 11.34%
Number of salaries quoted 15 12 19
Norwich median annual salary £50,000 £52,500 £40,000
Median salary % change year-on-year -4.76% +31.25% -
10th Percentile £38,750 £34,500 £33,600
90th Percentile £63,500 £71,000 £51,750
Norfolk median annual salary £50,000 £48,750 £40,000
% change year-on-year +2.56% +21.88% -11.11%

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 Norwich with a requirement for process or methodology skills.

All Process and Methodology Skills
Norwich
Permanent vacancies with a requirement for process or methodology skills 279 432 247
As % of all permanent IT jobs advertised in Norwich 94.26% 91.33% 78.16%
Number of salaries quoted 203 349 199
Norwich median annual salary £40,000 £42,500 £32,500
Median salary % change year-on-year -5.88% +30.77% -10.96%
10th Percentile £26,250 £27,300 £21,900
90th Percentile £69,500 £57,500 £47,500
Norfolk median annual salary £40,000 £40,000 £32,500
% change year-on-year - +23.08% -9.72%

TDD
Job Vacancy Trend in Norwich

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

Job vacancy trend for TDD in Norwich

TDD
Salary Trend in Norwich

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

Salary trend for TDD in Norwich

TDD
Salary Histogram in Norwich

The salary distribution of IT jobs citing TDD in Norwich over the 6 months to 22 November 2017.

Salary histogram for TDD in Norwich

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

1 26 (86.67%) Java
2 21 (70.00%) Agile Software Development
3 18 (60.00%) BDD
4 17 (56.67%) Spring
4 17 (56.67%) OO
5 13 (43.33%) Relational Database
5 13 (43.33%) Analytical Skills
6 12 (40.00%) Continuous Integration
7 11 (36.67%) SQL
8 10 (33.33%) MySQL
8 10 (33.33%) XML
8 10 (33.33%) XSLT
8 10 (33.33%) Git (software)
8 10 (33.33%) Java EE
8 10 (33.33%) Waterfall
8 10 (33.33%) DevOps
8 10 (33.33%) REST
9 9 (30.00%) MarkLogic
9 9 (30.00%) QA
9 9 (30.00%) Web Services
9 9 (30.00%) Finance
10 8 (26.67%) Scrum
10 8 (26.67%) MVC
10 8 (26.67%) RESTful
10 8 (26.67%) Mobile App
11 7 (23.33%) Gradle
11 7 (23.33%) Mockito
11 7 (23.33%) Cucumber
11 7 (23.33%) Microservices
11 7 (23.33%) Spring Boot

TDD
Co-occurring IT Skills in Norwich 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 6 (20.00%) Apache Pig
1 6 (20.00%) Apache Spark
Cloud Services
1 7 (23.33%) Amazon AWS
Communications & Networking
1 1 (3.33%) SMS
Database & Business Intelligence
1 13 (43.33%) Relational Database
2 10 (33.33%) MySQL
3 9 (30.00%) MarkLogic
4 6 (20.00%) Apache Hive
4 6 (20.00%) Big Data
4 6 (20.00%) Hadoop
4 6 (20.00%) HBase
4 6 (20.00%) Impala
4 6 (20.00%) NoSQL
4 6 (20.00%) Sqoop
5 3 (10.00%) RDBMS
6 1 (3.33%) SQL Server
6 1 (3.33%) SQL Server 2016
Development Applications
1 10 (33.33%) Git (software)
2 7 (23.33%) Cucumber
2 7 (23.33%) Gradle
2 7 (23.33%) JUnit
2 7 (23.33%) Mockito
2 7 (23.33%) Subversion
2 7 (23.33%) Team Foundation Server
3 4 (13.33%) Jenkins
4 1 (3.33%) Moq
4 1 (3.33%) NUnit
4 1 (3.33%) Rhino Mocks
General
1 9 (30.00%) Finance
2 4 (13.33%) Publishing
3 3 (10.00%) Marketing
Job Titles
1 28 (93.33%) Developer
2 19 (63.33%) Java Developer
3 6 (20.00%) Cloud Developer
3 6 (20.00%) Hadoop Developer
4 4 (13.33%) Lead Developer
5 3 (10.00%) XML Developer
5 3 (10.00%) XML XSLT Developer
6 2 (6.67%) Android Engineer
6 2 (6.67%) Lead Java Developer
7 1 (3.33%) .NET Developer
7 1 (3.33%) Lead Software Developer
7 1 (3.33%) Mobile Developer
7 1 (3.33%) Software Developer
Libraries, Frameworks & Software Standards
1 17 (56.67%) Spring
2 10 (33.33%) Java EE
2 10 (33.33%) REST
2 10 (33.33%) XML
2 10 (33.33%) XSLT
3 9 (30.00%) Web Services
4 8 (26.67%) RESTful
5 7 (23.33%) JMS
5 7 (23.33%) Spring Boot
5 7 (23.33%) Swagger
6 3 (10.00%) Hibernate
6 3 (10.00%) SOAP
6 3 (10.00%) Spring MVC
6 3 (10.00%) XForms
7 2 (6.67%) Android SDK
7 2 (6.67%) Dagger
7 2 (6.67%) Retrofit
7 2 (6.67%) RxJava
8 1 (3.33%) ASP.NET MVC 5
8 1 (3.33%) WCF
Miscellaneous
1 13 (43.33%) Analytical Skills
2 8 (26.67%) Mobile App
3 7 (23.33%) Analytical Mindset
4 6 (20.00%) Computer Science
5 2 (6.67%) Social Media
6 1 (3.33%) Greenfield Project
6 1 (3.33%) Music Streaming
Operating Systems
1 2 (6.67%) Android
2 1 (3.33%) Windows
Processes & Methodologies
1 21 (70.00%) Agile Software Development
2 18 (60.00%) BDD
3 17 (56.67%) OO
4 12 (40.00%) Continuous Integration
5 10 (33.33%) DevOps
5 10 (33.33%) Waterfall
6 8 (26.67%) MVC
6 8 (26.67%) Scrum
7 7 (23.33%) Analytical Thinking
7 7 (23.33%) Kanban
7 7 (23.33%) Microservices
7 7 (23.33%) OOA/OOD
7 7 (23.33%) Software Engineering
8 6 (20.00%) Concurrent Programming
8 6 (20.00%) Data Privacy
8 6 (20.00%) MapReduce
8 6 (20.00%) Multithreading
8 6 (20.00%) SDLC
8 6 (20.00%) Workflow
9 4 (13.33%) User Stories
Programming Languages
1 26 (86.67%) Java
2 11 (36.67%) SQL
3 6 (20.00%) HiveQL
4 2 (6.67%) C#
Qualifications
1 6 (20.00%) Degree
Quality Assurance & Compliance
1 9 (30.00%) QA
System Software
1 6 (20.00%) Apache Flume
Vendors
1 6 (20.00%) Cloudera
2 1 (3.33%) Xamarin