Period
to 15 November 2018

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 15 November 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Gloucestershire > Gloucester
6 months to
15 Nov 2018
Same period 2017 Same period 2016
Rank 23 43 70
Rank change year-on-year +20 +27 -15
Permanent jobs citing TDD 25 8 7
As % of all permanent IT jobs advertised in Gloucester 8.83% 2.43% 1.12%
As % of the Processes & Methodologies category 9.69% 2.74% 1.25%
Number of salaries quoted 26 6 6
Gloucester median annual salary £57,500 £43,750 £45,000
Median salary % change year-on-year +31.43% -2.78% -10.00%
10th Percentile £38,750 £35,125 £35,375
90th Percentile £67,500 £52,500 £57,500
Gloucestershire median annual salary £50,000 £45,000 £45,000
% change year-on-year +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 258 292 558
As % of all permanent IT jobs advertised in Gloucester 91.17% 88.75% 89.42%
Number of salaries quoted 169 253 517
Gloucester median annual salary £45,000 £45,000 £40,000
Median salary % change year-on-year - +12.50% -
10th Percentile £25,000 £30,050 £23,000
90th Percentile £62,750 £62,500 £57,500
Gloucestershire median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% -

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 15 November 2018.

Salary histogram for TDD in Gloucester

For the 6 months to 15 November 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 Gloucester region with a requirement for TDD.

1 17 (68.00%) Agile Software Development
2 15 (60.00%) Software Engineering
3 14 (56.00%) Java
4 12 (48.00%) Continuous Integration
5 11 (44.00%) DV Cleared
5 11 (44.00%) Security Cleared
5 11 (44.00%) BDD
6 10 (40.00%) JavaScript
6 10 (40.00%) C#
6 10 (40.00%) Python
7 9 (36.00%) C++
7 9 (36.00%) SQL
7 9 (36.00%) AngularJS
8 8 (32.00%) Cybersecurity
8 8 (32.00%) SC Cleared
9 7 (28.00%) SOLID
10 6 (24.00%) SDLC
10 6 (24.00%) Information Assurance
10 6 (24.00%) Visualisation
10 6 (24.00%) Open Source
10 6 (24.00%) Node.js
10 6 (24.00%) Continuous Improvement
10 6 (24.00%) Line Management
10 6 (24.00%) Software Delivery
10 6 (24.00%) Scrum
10 6 (24.00%) Ruby
11 5 (20.00%) Artificial Intelligence
11 5 (20.00%) Unit Testing
11 5 (20.00%) Finance
11 5 (20.00%) Linux

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:

Application Platforms
1 2 (8.00%) Apache Pig
1 2 (8.00%) Apache Spark
1 2 (8.00%) Elasticsearch
Cloud Services
1 5 (20.00%) Microsoft Azure
2 3 (12.00%) Amazon AWS
3 1 (4.00%) IaaS
3 1 (4.00%) PaaS
3 1 (4.00%) SaaS
Communications & Networking
1 1 (4.00%) HTTP
1 1 (4.00%) SSL
Database & Business Intelligence
1 4 (16.00%) SQL Server
2 3 (12.00%) MongoDB
2 3 (12.00%) SQL Server 2016
3 2 (8.00%) Amazon Redshift
3 2 (8.00%) Apache Hive
3 2 (8.00%) Big Data
3 2 (8.00%) Hadoop
3 2 (8.00%) Neo4j
3 2 (8.00%) Presto
4 1 (4.00%) Apache Cassandra
4 1 (4.00%) CouchDB
4 1 (4.00%) NoSQL
4 1 (4.00%) RDBMS
4 1 (4.00%) Relational Database
Development Applications
1 2 (8.00%) Maven
1 2 (8.00%) Subversion
1 2 (8.00%) TeamCity
2 1 (4.00%) Atlassian Bamboo
2 1 (4.00%) Git (software)
2 1 (4.00%) Jenkins
2 1 (4.00%) Mercurial
2 1 (4.00%) MSBuild
General
1 5 (20.00%) Finance
2 4 (16.00%) Electronics
2 4 (16.00%) Manufacturing
2 4 (16.00%) Marketing
2 4 (16.00%) Telecoms
3 1 (4.00%) Retail
Job Titles
1 14 (56.00%) Developer
2 9 (36.00%) Software Engineer
3 6 (24.00%) Java Developer
4 4 (16.00%) .NET Developer
5 3 (12.00%) Graduate
5 3 (12.00%) Graduate Software Engineer
5 3 (12.00%) JavaScript Developer
5 3 (12.00%) Python Developer
5 3 (12.00%) Senior Software Engineer
6 2 (8.00%) C# Developer
6 2 (8.00%) Data Scientist
6 2 (8.00%) DV Cleared Software Engineer
6 2 (8.00%) Java Engineer
6 2 (8.00%) Java Software Engineer
6 2 (8.00%) Messaging Developer
6 2 (8.00%) Software Developer
7 1 (4.00%) DV Cleared Java Developer
7 1 (4.00%) Full Stack Developer
7 1 (4.00%) SC Cleared Software Engineer
7 1 (4.00%) Systems Developer
Libraries, Frameworks & Software Standards
1 9 (36.00%) AngularJS
2 6 (24.00%) Node.js
3 4 (16.00%) .NET
3 4 (16.00%) ASP.NET
3 4 (16.00%) ASP.NET MVC
3 4 (16.00%) Django
3 4 (16.00%) Spring
4 3 (12.00%) ASP.NET Web API
4 3 (12.00%) Hibernate
4 3 (12.00%) JSON
4 3 (12.00%) KnockoutJS
4 3 (12.00%) React
4 3 (12.00%) RESTful
4 3 (12.00%) Twitter Bootstrap
4 3 (12.00%) Vue.js
5 2 (8.00%) ASP.NET MVC 5
5 2 (8.00%) RabbitMQ
5 2 (8.00%) Web Services
5 2 (8.00%) WPF
5 2 (8.00%) XML
Miscellaneous
1 3 (12.00%) Industry 4.0
2 2 (8.00%) Algorithms
3 1 (4.00%) Analytical Skills
3 1 (4.00%) Greenfield Project
3 1 (4.00%) Self-Motivation
3 1 (4.00%) User Experience
Operating Systems
1 5 (20.00%) Linux
2 2 (8.00%) Android
2 2 (8.00%) Apple iOS
2 2 (8.00%) Unix
2 2 (8.00%) Windows
Processes & Methodologies
1 17 (68.00%) Agile Software Development
2 15 (60.00%) Software Engineering
3 12 (48.00%) Continuous Integration
4 11 (44.00%) BDD
5 8 (32.00%) Cybersecurity
6 7 (28.00%) SOLID
7 6 (24.00%) Continuous Improvement
7 6 (24.00%) Information Assurance
7 6 (24.00%) Line Management
7 6 (24.00%) Open Source
7 6 (24.00%) Scrum
7 6 (24.00%) SDLC
7 6 (24.00%) Software Delivery
7 6 (24.00%) Visualisation
8 5 (20.00%) Analytics
8 5 (20.00%) Artificial Intelligence
8 5 (20.00%) Unit Testing
9 4 (16.00%) Digital Marketing
9 4 (16.00%) Kanban
9 4 (16.00%) Programme Management
Programming Languages
1 14 (56.00%) Java
2 10 (40.00%) C#
2 10 (40.00%) JavaScript
2 10 (40.00%) Python
3 9 (36.00%) C++
3 9 (36.00%) SQL
4 6 (24.00%) Ruby
5 3 (12.00%) Go
5 3 (12.00%) Java 8
6 2 (8.00%) Bash Shell
6 2 (8.00%) C
6 2 (8.00%) F#
6 2 (8.00%) Perl
6 2 (8.00%) PowerShell
7 1 (4.00%) Rust
Qualifications
1 11 (44.00%) DV Cleared
1 11 (44.00%) Security Cleared
2 8 (32.00%) SC Cleared
3 3 (12.00%) Degree
3 3 (12.00%) Numerate Degree
System Software
1 3 (12.00%) Docker
Systems Management
1 2 (8.00%) Business Desktop Deployment
1 2 (8.00%) Kibana
1 2 (8.00%) WSUS
2 1 (4.00%) Ansible
2 1 (4.00%) Kubernetes
Vendors
1 4 (16.00%) SAP
2 3 (12.00%) Microsoft