Period
to 23 October 2017

The following table provides summary statistics for permanent job vacancies advertised in Ipswich 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 23 October 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Suffolk > Ipswich
6 months to
23 Oct 2017
Same period 2016 Same period 2015
Rank 42 28 30
Rank change year-on-year -14 +2 -8
Permanent jobs citing TDD 20 47 55
As % of all permanent IT jobs advertised in Ipswich 5.19% 8.09% 7.57%
As % of the Processes & Methodologies category 5.70% 9.36% 8.62%
Number of salaries quoted 19 44 48
Ipswich median annual salary £37,500 £37,500 £40,000
Median salary % change year-on-year - -6.25% -
10th Percentile £31,250 £28,750 £23,500
90th Percentile £51,250 £53,500 £57,500
Suffolk median annual salary £41,750 £37,500 £40,000
% change year-on-year +11.33% -6.25% -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 Ipswich with a requirement for process or methodology skills.

All Process and Methodology Skills
Ipswich
Permanent vacancies with a requirement for process or methodology skills 351 502 638
As % of all permanent IT jobs advertised in Ipswich 91.17% 86.40% 87.76%
Number of salaries quoted 333 438 548
Ipswich median annual salary £42,000 £37,500 £40,000
Median salary % change year-on-year +12.00% -6.25% -
10th Percentile £28,800 £23,250 £23,000
90th Percentile £58,750 £60,000 £60,000
Suffolk median annual salary £40,000 £37,500 £40,000
% change year-on-year +6.67% -6.25% -

TDD
Job Vacancy Trend in Ipswich

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

Job vacancy trend for TDD in Ipswich

TDD
Salary Trend in Ipswich

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

Salary trend for TDD in Ipswich

TDD
Salary Histogram in Ipswich

The salary distribution of IT jobs citing TDD in Ipswich over the 6 months to 23 October 2017.

Salary histogram for TDD in Ipswich

For the 6 months to 23 October 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 Ipswich region with a requirement for TDD.

1 20 (100.00%) Agile Software Development
2 17 (85.00%) HTML
2 17 (85.00%) JavaScript
2 17 (85.00%) CSS
3 16 (80.00%) C#
3 16 (80.00%) HTML5
3 16 (80.00%) CSS3
4 14 (70.00%) OO
5 13 (65.00%) Games
6 10 (50.00%) OOP
6 10 (50.00%) Xbox
7 9 (45.00%) MVC
8 8 (40.00%) BDD
9 7 (35.00%) Git (software)
9 7 (35.00%) Node.js
10 6 (30.00%) AngularJS
10 6 (30.00%) Unit Testing
10 6 (30.00%) WCF
10 6 (30.00%) RESTful
10 6 (30.00%) ASP.NET MVC
10 6 (30.00%) JSON
10 6 (30.00%) ASP.NET
10 6 (30.00%) Web Services
10 6 (30.00%) .NET
10 6 (30.00%) ASP.NET Web API
11 4 (20.00%) Android
11 4 (20.00%) Apple iOS
12 3 (15.00%) ASP.NET Web Forms
12 3 (15.00%) REST
12 3 (15.00%) Jenkins

TDD
Co-occurring IT Skills in Ipswich 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:

Database & Business Intelligence
1 3 (15.00%) NoSQL
1 3 (15.00%) SQL Server
1 3 (15.00%) SQL Server 2016
Development Applications
1 7 (35.00%) Git (software)
2 3 (15.00%) Jenkins
2 3 (15.00%) Moq
2 3 (15.00%) MSBuild
2 3 (15.00%) NUnit
2 3 (15.00%) Subversion
2 3 (15.00%) Team Foundation Server
2 3 (15.00%) TeamCity
General
1 13 (65.00%) Games
2 3 (15.00%) Digital Economy
2 3 (15.00%) Marketing
3 1 (5.00%) Finance
Job Titles
1 20 (100.00%) Developer
2 13 (65.00%) C# Developer
3 10 (50.00%) Graduate
3 10 (50.00%) Graduate C# Developer
3 10 (50.00%) Graduate Developer
4 8 (40.00%) Senior C# Developer
4 8 (40.00%) Senior Developer
5 6 (30.00%) .NET Developer
6 3 (15.00%) ASP.NET Developer
6 3 (15.00%) C# .NET Developer
6 3 (15.00%) C# ASP.NET Developer
6 3 (15.00%) Full Stack Developer
7 2 (10.00%) Agile C# Developer
7 2 (10.00%) Agile Developer
7 2 (10.00%) Lead C# Developer
7 2 (10.00%) Lead Developer
7 2 (10.00%) Team Leader
8 1 (5.00%) JavaScript Developer
8 1 (5.00%) Node.js Developer
Libraries, Frameworks & Software Standards
1 17 (85.00%) CSS
1 17 (85.00%) HTML
2 16 (80.00%) CSS3
2 16 (80.00%) HTML5
3 7 (35.00%) Node.js
4 6 (30.00%) .NET
4 6 (30.00%) AngularJS
4 6 (30.00%) ASP.NET
4 6 (30.00%) ASP.NET MVC
4 6 (30.00%) ASP.NET Web API
4 6 (30.00%) JSON
4 6 (30.00%) RESTful
4 6 (30.00%) WCF
4 6 (30.00%) Web Services
5 3 (15.00%) ASP.NET MVC 5
5 3 (15.00%) ASP.NET Web Forms
5 3 (15.00%) Ember.js
5 3 (15.00%) KnockoutJS
5 3 (15.00%) React
5 3 (15.00%) Twitter Bootstrap
Miscellaneous
1 10 (50.00%) Xbox
2 3 (15.00%) Computer Science
3 1 (5.00%) Greenfield Project
3 1 (5.00%) Mobile App
Operating Systems
1 4 (20.00%) Android
1 4 (20.00%) Apple iOS
Processes & Methodologies
1 20 (100.00%) Agile Software Development
2 14 (70.00%) OO
3 10 (50.00%) OOP
4 9 (45.00%) MVC
5 8 (40.00%) BDD
6 6 (30.00%) Unit Testing
7 3 (15.00%) Business Intelligence
7 3 (15.00%) Inversion of Control
7 3 (15.00%) Mathematics
7 3 (15.00%) Mentoring
7 3 (15.00%) Software Architecture
7 3 (15.00%) Software Engineering
7 3 (15.00%) Waterfall
7 3 (15.00%) Web Application Development
8 2 (10.00%) Domain-Driven Design
9 1 (5.00%) Android Development
9 1 (5.00%) iOS Development
Programming Languages
1 17 (85.00%) JavaScript
2 16 (80.00%) C#
3 3 (15.00%) ES6
3 3 (15.00%) Ruby
4 2 (10.00%) Java
Qualifications
1 3 (15.00%) Degree
Vendors
1 3 (15.00%) Sony