Period
to 20 February 2019

The following table provides summary statistics for permanent job vacancies advertised in Gloucester 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 20 February 2019 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Gloucestershire > Gloucester
6 months to
20 Feb 2019
Same period 2018 Same period 2017
Rank 35 26 65
Rank change year-on-year -9 +39 -13
Permanent jobs citing TDD 17 23 9
As % of all permanent IT jobs advertised in Gloucester 4.58% 8.16% 1.40%
As % of the Processes & Methodologies category 5.14% 8.81% 1.51%
Number of salaries quoted 13 22 9
Gloucester median annual salary £55,000 £47,500 £42,500
Median salary % change year-on-year +15.79% +11.76% -5.56%
10th Percentile £37,500 £38,750 £32,200
90th Percentile £63,750 £56,250 £50,500
Gloucestershire median annual salary £47,500 £47,500 £50,000
% change year-on-year - -5.00% +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 Gloucester with a requirement for process or methodology skills.

All Process and Methodology Skills
Gloucester
Permanent vacancies with a requirement for process or methodology skills 331 261 598
As % of all permanent IT jobs advertised in Gloucester 89.22% 92.55% 92.86%
Number of salaries quoted 248 197 561
Gloucester median annual salary £45,000 £47,500 £40,000
Median salary % change year-on-year -5.26% +18.75% -
10th Percentile £24,500 £30,250 £25,000
90th Percentile £65,000 £71,250 £57,500
Gloucestershire median annual salary £47,500 £45,000 £41,500
% change year-on-year +5.56% +8.43% -2.35%

TDD
Job Vacancy Trend in Gloucester

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

Job vacancy trend for TDD in Gloucester

TDD
Salary Trend in Gloucester

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

Salary trend for TDD in Gloucester

TDD
Salary Histogram in Gloucester

The salary distribution of IT jobs citing TDD in Gloucester over the 6 months to 20 February 2019.

Salary histogram for TDD in Gloucester

For the 6 months to 20 February 2019, 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 Gloucester region with a requirement for TDD.

1 13 (76.47%) Agile Software Development
1 13 (76.47%) Software Engineering
2 12 (70.59%) Continuous Integration
2 12 (70.59%) BDD
3 10 (58.82%) Cybersecurity
4 9 (52.94%) SOLID
5 8 (47.06%) Software Delivery
5 8 (47.06%) SDLC
5 8 (47.06%) Line Management
5 8 (47.06%) Continuous Improvement
5 8 (47.06%) Information Assurance
5 8 (47.06%) Visualisation
6 7 (41.18%) DV Cleared
6 7 (41.18%) Security Cleared
7 6 (35.29%) Java
7 6 (35.29%) JavaScript
8 5 (29.41%) C#
8 5 (29.41%) SQL
8 5 (29.41%) Scrum
8 5 (29.41%) SC Cleared
9 4 (23.53%) Numerate Degree
9 4 (23.53%) Mentoring
9 4 (23.53%) Software Architecture
9 4 (23.53%) Information Security
9 4 (23.53%) Degree
10 3 (17.65%) Spring
10 3 (17.65%) Unit Testing
10 3 (17.65%) C++
10 3 (17.65%) Python
10 3 (17.65%) Finance

TDD
Co-occurring IT Skills in Gloucester 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:

Cloud Services
1 1 (5.88%) Amazon AWS
1 1 (5.88%) IaaS
1 1 (5.88%) Microsoft Azure
1 1 (5.88%) PaaS
1 1 (5.88%) SaaS
Communications & Networking
1 1 (5.88%) HTTP
1 1 (5.88%) SSL
Database & Business Intelligence
1 2 (11.76%) SQL Server
2 1 (5.88%) Apache Cassandra
2 1 (5.88%) Big Data
2 1 (5.88%) CouchDB
2 1 (5.88%) MongoDB
2 1 (5.88%) NoSQL
2 1 (5.88%) RDBMS
2 1 (5.88%) Relational Database
2 1 (5.88%) SQL Server 2016
Development Applications
1 1 (5.88%) Atlassian Bamboo
1 1 (5.88%) Git (software)
1 1 (5.88%) Jenkins
1 1 (5.88%) Mercurial
1 1 (5.88%) MSBuild
General
1 3 (17.65%) Finance
2 2 (11.76%) Electronics
2 2 (11.76%) Manufacturing
2 2 (11.76%) Marketing
2 2 (11.76%) Telecoms
3 1 (5.88%) Retail
Job Titles
1 10 (58.82%) Software Engineer
2 7 (41.18%) Developer
3 4 (23.53%) Graduate
3 4 (23.53%) Graduate Software Engineer
3 4 (23.53%) Senior Software Engineer
4 3 (17.65%) Java Developer
5 2 (11.76%) .NET Developer
5 2 (11.76%) Java Engineer
5 2 (11.76%) Java Software Engineer
6 1 (5.88%) C# Software Developer
6 1 (5.88%) C++ Software Developer
6 1 (5.88%) C++ Software Engineer
6 1 (5.88%) C++/C# Developer
6 1 (5.88%) C++/Java Developer
6 1 (5.88%) DV Cleared Java Developer
6 1 (5.88%) Full Stack Developer
6 1 (5.88%) Java Software Developer
6 1 (5.88%) JavaScript Engineer
6 1 (5.88%) Python Engineer
6 1 (5.88%) Python Software Engineer
Libraries, Frameworks & Software Standards
1 3 (17.65%) AngularJS
1 3 (17.65%) Spring
2 2 (11.76%) .NET
2 2 (11.76%) ASP.NET
2 2 (11.76%) ASP.NET MVC
2 2 (11.76%) Django
2 2 (11.76%) Hibernate
3 1 (5.88%) ASP.NET Core
3 1 (5.88%) ASP.NET Web API
3 1 (5.88%) CSS
3 1 (5.88%) HTML
3 1 (5.88%) HTML5
3 1 (5.88%) Java EE
3 1 (5.88%) JSON
3 1 (5.88%) KnockoutJS
3 1 (5.88%) Node.js
3 1 (5.88%) React
3 1 (5.88%) REST
3 1 (5.88%) RESTful
3 1 (5.88%) Twitter Bootstrap
Miscellaneous
1 1 (5.88%) Analytical Skills
1 1 (5.88%) Greenfield Project
1 1 (5.88%) PMI
1 1 (5.88%) User Experience
Operating Systems
1 1 (5.88%) Android
1 1 (5.88%) Apple iOS
1 1 (5.88%) Linux
1 1 (5.88%) Unix
1 1 (5.88%) Windows
Processes & Methodologies
1 13 (76.47%) Agile Software Development
1 13 (76.47%) Software Engineering
2 12 (70.59%) BDD
2 12 (70.59%) Continuous Integration
3 10 (58.82%) Cybersecurity
4 9 (52.94%) SOLID
5 8 (47.06%) Continuous Improvement
5 8 (47.06%) Information Assurance
5 8 (47.06%) Line Management
5 8 (47.06%) SDLC
5 8 (47.06%) Software Delivery
5 8 (47.06%) Visualisation
6 5 (29.41%) Scrum
7 4 (23.53%) Information Security
7 4 (23.53%) Mentoring
7 4 (23.53%) Software Architecture
8 3 (17.65%) Unit Testing
9 2 (11.76%) Kanban
9 2 (11.76%) Open Source
9 2 (11.76%) Programme Management
Programming Languages
1 6 (35.29%) Java
1 6 (35.29%) JavaScript
2 5 (29.41%) C#
2 5 (29.41%) SQL
3 3 (17.65%) C++
3 3 (17.65%) Python
4 2 (11.76%) Java 8
5 1 (5.88%) Bash Shell
5 1 (5.88%) C
5 1 (5.88%) Perl
5 1 (5.88%) PowerShell
5 1 (5.88%) Ruby
Qualifications
1 7 (41.18%) DV Cleared
1 7 (41.18%) Security Cleared
2 5 (29.41%) SC Cleared
3 4 (23.53%) Degree
3 4 (23.53%) Numerate Degree
4 1 (5.88%) PMI Certification
Systems Management
1 1 (5.88%) Kubernetes
Vendors
1 2 (11.76%) SAP
2 1 (5.88%) Microsoft