Period
to 16 August 2018

The following table provides summary statistics for permanent job vacancies advertised in Derby 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 16 August 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Derbyshire > Derby
6 months to
16 Aug 2018
Same period 2017 Same period 2016
Rank 23 29 26
Rank change year-on-year +6 -3 -3
Permanent jobs citing TDD 45 33 40
As % of all permanent IT jobs advertised in Derby 9.05% 6.37% 7.42%
As % of the Processes & Methodologies category 10.04% 6.82% 8.66%
Number of salaries quoted 41 25 41
Derby median annual salary £42,500 £47,500 £37,500
Median salary % change year-on-year -10.53% +26.67% -6.25%
10th Percentile £34,500 £30,250 £30,000
90th Percentile £65,000 £56,500 £46,250
Derbyshire median annual salary £43,750 £45,000 £37,500
% change year-on-year -2.78% +20.00% -6.25%

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 Derby with a requirement for process or methodology skills.

All Process and Methodology Skills
Derby
Permanent vacancies with a requirement for process or methodology skills 448 484 462
As % of all permanent IT jobs advertised in Derby 90.14% 93.44% 85.71%
Number of salaries quoted 371 368 379
Derby median annual salary £40,000 £40,000 £35,000
Median salary % change year-on-year - +14.29% -10.45%
10th Percentile £25,000 £24,250 £22,500
90th Percentile £65,000 £55,300 £50,250
Derbyshire median annual salary £40,000 £40,000 £35,000
% change year-on-year - +14.29% -12.50%

TDD
Job Vacancy Trend in Derby

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

Job vacancy trend for TDD in Derby

TDD
Salary Trend in Derby

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

Salary trend for TDD in Derby

TDD
Salary Histogram in Derby

The salary distribution of IT jobs citing TDD in Derby over the 6 months to 16 August 2018.

Salary histogram for TDD in Derby

For the 6 months to 16 August 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 Derby region with a requirement for TDD.

1 42 (93.33%) Agile Software Development
2 31 (68.89%) BDD
3 20 (44.44%) C#
3 20 (44.44%) Scrum
4 18 (40.00%) Test Automation
5 17 (37.78%) .NET
6 15 (33.33%) SQL Server
7 14 (31.11%) SQL
7 14 (31.11%) Web Services
8 12 (26.67%) MVC
8 12 (26.67%) RESTful
8 12 (26.67%) Amazon AWS
8 12 (26.67%) QA
8 12 (26.67%) Selenium
9 10 (22.22%) Microsoft
9 10 (22.22%) ASP.NET
10 9 (20.00%) JUnit
10 9 (20.00%) JavaScript
10 9 (20.00%) Software Testing
10 9 (20.00%) Unit Testing
10 9 (20.00%) Computer Science
10 9 (20.00%) Cucumber
10 9 (20.00%) Web Application Development
10 9 (20.00%) SDLC
10 9 (20.00%) Protractor
11 8 (17.78%) Jenkins
11 8 (17.78%) Relational Database
11 8 (17.78%) Docker
11 8 (17.78%) ASP.NET MVC
11 8 (17.78%) Continuous Integration

TDD
Co-occurring IT Skills in Derby 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 7 (15.56%) Elasticsearch
2 3 (6.67%) K2 blackpearl
2 3 (6.67%) Tomcat
Cloud Services
1 12 (26.67%) Amazon AWS
2 6 (13.33%) Amazon EC2
2 6 (13.33%) CloudFront
2 6 (13.33%) Virtual Private Cloud
3 5 (11.11%) Microsoft Azure
4 2 (4.44%) npm
Communications & Networking
1 6 (13.33%) OpenLDAP
Database & Business Intelligence
1 15 (33.33%) SQL Server
2 8 (17.78%) Relational Database
3 6 (13.33%) Amazon RDS
3 6 (13.33%) SQL Server 2016
4 5 (11.11%) NoSQL
4 5 (11.11%) PostgreSQL
5 4 (8.89%) MongoDB
6 3 (6.67%) Data Warehouse
6 3 (6.67%) MySQL
6 3 (6.67%) SQL Server Analysis Services
6 3 (6.67%) SQL Server Integration Services
6 3 (6.67%) SQL Server Reporting Services
7 2 (4.44%) RDBMS
Development Applications
1 12 (26.67%) Selenium
2 9 (20.00%) Cucumber
2 9 (20.00%) JUnit
2 9 (20.00%) Protractor
3 8 (17.78%) Jenkins
4 7 (15.56%) Git (software)
5 5 (11.11%) Visual Studio
6 2 (4.44%) JIRA
6 2 (4.44%) ReSharper
6 2 (4.44%) Subversion
6 2 (4.44%) Visual Studio Code
6 2 (4.44%) WebDriver
6 2 (4.44%) webpack
7 1 (2.22%) TeamCity
General
1 5 (11.11%) Advertising
1 5 (11.11%) Marketing
2 2 (4.44%) Finance
3 1 (2.22%) Games
Job Titles
1 22 (48.89%) Developer
2 10 (22.22%) .NET Developer
3 9 (20.00%) Tester
4 6 (13.33%) Automation Tester
4 6 (13.33%) AWS DevOps Engineer
4 6 (13.33%) DevOps Engineer
4 6 (13.33%) Operations Engineer
5 5 (11.11%) Software Tester
6 3 (6.67%) Full Stack Developer
6 3 (6.67%) Java Developer
6 3 (6.67%) Senior Developer
6 3 (6.67%) Senior Java Developer
6 3 (6.67%) Software Engineer
7 2 (4.44%) Angular Developer
7 2 (4.44%) Business Intelligence Developer
7 2 (4.44%) ETL Developer
7 2 (4.44%) HTML Developer
7 2 (4.44%) QA Engineer
7 2 (4.44%) SQL BI Developer
7 2 (4.44%) SQL Developer
Libraries, Frameworks & Software Standards
1 17 (37.78%) .NET
2 14 (31.11%) Web Services
3 12 (26.67%) RESTful
4 10 (22.22%) ASP.NET
5 8 (17.78%) ASP.NET MVC
5 8 (17.78%) HTML
6 7 (15.56%) .NET Framework
6 7 (15.56%) Spring
7 6 (13.33%) ASP.NET Web API
7 6 (13.33%) CSS
7 6 (13.33%) HTML5
7 6 (13.33%) LDAP
8 5 (11.11%) ASP.NET MVC 5
8 5 (11.11%) Hibernate
9 4 (8.89%) AngularJS
9 4 (8.89%) Entity Framework
9 4 (8.89%) Redux
10 3 (6.67%) CSS3
10 3 (6.67%) JSP
10 3 (6.67%) WPF
Miscellaneous
1 9 (20.00%) Computer Science
2 2 (4.44%) User Experience
Operating Systems
1 6 (13.33%) CentOS
1 6 (13.33%) Linux
Processes & Methodologies
1 42 (93.33%) Agile Software Development
2 31 (68.89%) BDD
3 20 (44.44%) Scrum
4 18 (40.00%) Test Automation
5 12 (26.67%) MVC
6 9 (20.00%) SDLC
6 9 (20.00%) Software Testing
6 9 (20.00%) Unit Testing
6 9 (20.00%) Web Application Development
7 8 (17.78%) Continuous Integration
8 7 (15.56%) Mentoring
9 6 (13.33%) Analytics
9 6 (13.33%) Artificial Intelligence
9 6 (13.33%) Dependency Injection
9 6 (13.33%) DevOps
9 6 (13.33%) Requirements Analysis
9 6 (13.33%) Software Engineering
10 4 (8.89%) Front End Development
10 4 (8.89%) Mathematics
11 3 (6.67%) Microservices
Programming Languages
1 20 (44.44%) C#
2 14 (31.11%) SQL
3 9 (20.00%) JavaScript
4 5 (11.11%) Java
5 2 (4.44%) C++
5 2 (4.44%) T-SQL
5 2 (4.44%) TypeScript
6 1 (2.22%) ES6
6 1 (2.22%) F#
6 1 (2.22%) Ruby
Qualifications
1 5 (11.11%) Degree
2 3 (6.67%) SC Cleared
2 3 (6.67%) Security Cleared
3 1 (2.22%) MCSE
3 1 (2.22%) Microsoft Certification
Quality Assurance & Compliance
1 12 (26.67%) QA
2 3 (6.67%) ISO 9001
3 1 (2.22%) TickIT
System Software
1 8 (17.78%) Docker
Systems Management
1 6 (13.33%) Opscode Chef
1 6 (13.33%) Terraform
1 6 (13.33%) ZABBIX
2 1 (2.22%) Kibana
Vendors
1 10 (22.22%) Microsoft
2 5 (11.11%) Facebook
3 3 (6.67%) Oracle
4 1 (2.22%) Google