Period
to 18 January 2018

The following table provides summary statistics for permanent job vacancies advertised in Chippenham 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 18 January 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Wiltshire > Chippenham
6 months to
18 Jan 2018
Same period 2017 Same period 2016
Rank 23 30 14
Rank change year-on-year +7 -16 -3
Permanent jobs citing TDD 13 24 59
As % of all permanent IT jobs advertised in Chippenham 5.53% 8.03% 16.53%
As % of the Processes & Methodologies category 6.67% 8.92% 19.28%
Number of salaries quoted 6 24 55
Chippenham median annual salary £40,000 £35,000 £40,000
Median salary % change year-on-year +14.29% -12.50% +14.29%
10th Percentile £35,000 £26,250 £30,000
90th Percentile £45,000 £56,375 £50,000
Wiltshire median annual salary £50,000 £37,500 £38,500
% change year-on-year +33.33% -2.60% +4.05%

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 Chippenham with a requirement for process or methodology skills.

All Process and Methodology Skills
Chippenham
Permanent vacancies with a requirement for process or methodology skills 195 269 306
As % of all permanent IT jobs advertised in Chippenham 82.98% 89.97% 85.71%
Number of salaries quoted 172 244 292
Chippenham median annual salary £37,500 £35,000 £40,000
Median salary % change year-on-year +7.14% -12.50% +14.29%
10th Percentile £23,000 £26,250 £26,250
90th Percentile £53,750 £50,875 £52,500
Wiltshire median annual salary £42,500 £40,000 £40,000
% change year-on-year +6.25% - -

TDD
Job Vacancy Trend in Chippenham

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

Job vacancy trend for TDD in Chippenham

TDD
Salary Trend in Chippenham

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

Salary trend for TDD in Chippenham

For the 6 months to 18 January 2018, 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 Chippenham region with a requirement for TDD.

1 13 (100.00%) Agile Software Development
2 9 (69.23%) Git (software)
3 7 (53.85%) Android
3 7 (53.85%) Software Engineering
3 7 (53.85%) Scrum
4 6 (46.15%) UML
4 6 (46.15%) Subversion
4 6 (46.15%) Maven
4 6 (46.15%) Continuous Integration
4 6 (46.15%) Apple iOS
4 6 (46.15%) Enterprise Software
4 6 (46.15%) Android Development
4 6 (46.15%) iOS Development
4 6 (46.15%) Mobile Development
5 5 (38.46%) Code First Entity Framework
5 5 (38.46%) SQL Server 2016
5 5 (38.46%) ASP.NET MVC 5
5 5 (38.46%) NoSQL
5 5 (38.46%) ASP.NET Web API
5 5 (38.46%) Web Application Development
5 5 (38.46%) BDD
5 5 (38.46%) Facebook
5 5 (38.46%) Entity Framework
5 5 (38.46%) Node.js
5 5 (38.46%) RESTful
5 5 (38.46%) Open Source
5 5 (38.46%) ASP.NET MVC
5 5 (38.46%) .NET Framework
5 5 (38.46%) WCF
5 5 (38.46%) Ruby

TDD
Co-occurring IT Skills in Chippenham 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 4 (30.77%) Alfresco
1 4 (30.77%) Joomla!
Communications & Networking
1 4 (30.77%) Internet
Database & Business Intelligence
1 5 (38.46%) NoSQL
1 5 (38.46%) SQL Server
1 5 (38.46%) SQL Server 2016
2 4 (30.77%) MongoDB
Development Applications
1 9 (69.23%) Git (software)
2 6 (46.15%) Maven
2 6 (46.15%) Subversion
3 2 (15.38%) Ant
3 2 (15.38%) Apache Ivy
General
1 5 (38.46%) Advertising
Job Titles
1 11 (84.62%) Developer
2 6 (46.15%) Developer/Software Engineer
2 6 (46.15%) Software Developer
2 6 (46.15%) Software Engineer
3 5 (38.46%) .NET Developer
4 4 (30.77%) Java Developer
4 4 (30.77%) Java Engineer
4 4 (30.77%) Java Software Developer
4 4 (30.77%) Java Software Engineer
5 2 (15.38%) C++ Developer
5 2 (15.38%) C++ Software Developer
5 2 (15.38%) C++ Software Engineer
6 1 (7.69%) Analyst
6 1 (7.69%) Architect
6 1 (7.69%) QA Analyst
6 1 (7.69%) Software Architect
Libraries, Frameworks & Software Standards
1 5 (38.46%) .NET
1 5 (38.46%) .NET Framework
1 5 (38.46%) ASP.NET
1 5 (38.46%) ASP.NET MVC
1 5 (38.46%) ASP.NET MVC 5
1 5 (38.46%) ASP.NET Web API
1 5 (38.46%) Code First Entity Framework
1 5 (38.46%) Entity Framework
1 5 (38.46%) Node.js
1 5 (38.46%) RESTful
1 5 (38.46%) WCF
2 4 (30.77%) CSS
2 4 (30.77%) Hibernate
2 4 (30.77%) HTML5
2 4 (30.77%) Java EE
2 4 (30.77%) JPA
2 4 (30.77%) JSF
2 4 (30.77%) REST
2 4 (30.77%) Spring
2 4 (30.77%) Web Services
Miscellaneous
1 6 (46.15%) Enterprise Software
2 4 (30.77%) RIA
3 2 (15.38%) Embedded Systems
3 2 (15.38%) User Experience
4 1 (7.69%) Client/Server
Operating Systems
1 7 (53.85%) Android
2 6 (46.15%) Apple iOS
3 3 (23.08%) Linux
4 1 (7.69%) Unix
4 1 (7.69%) Windows
Processes & Methodologies
1 13 (100.00%) Agile Software Development
2 7 (53.85%) Scrum
2 7 (53.85%) Software Engineering
3 6 (46.15%) Android Development
3 6 (46.15%) Continuous Integration
3 6 (46.15%) iOS Development
3 6 (46.15%) Mobile Development
3 6 (46.15%) UML
4 5 (38.46%) BDD
4 5 (38.46%) MVC
4 5 (38.46%) Open Source
4 5 (38.46%) Web Application Development
5 4 (30.77%) Web Development
6 2 (15.38%) OO
6 2 (15.38%) OOD
7 1 (7.69%) Customer Requirements
7 1 (7.69%) DSDM
7 1 (7.69%) Presales
7 1 (7.69%) Test Strategy
7 1 (7.69%) User Stories
Programming Languages
1 5 (38.46%) C#
1 5 (38.46%) Ruby
2 4 (30.77%) Java
2 4 (30.77%) JavaScript
3 2 (15.38%) C
3 2 (15.38%) C++
Qualifications
1 1 (7.69%) Degree
1 1 (7.69%) SC Cleared
1 1 (7.69%) Security Cleared
Quality Assurance & Compliance
1 1 (7.69%) ISO 9001
1 1 (7.69%) ISO/IEC 20000
1 1 (7.69%) QA
Vendors
1 5 (38.46%) Facebook