Period
to 20 May 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 20 May 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Derbyshire > Derby
6 months to
20 May 2018
Same period 2017 Same period 2016
Rank 19 32 48
Rank change year-on-year +13 +16 -23
Permanent jobs citing TDD 53 30 25
As % of all permanent IT jobs advertised in Derby 10.39% 5.75% 3.89%
As % of the Processes & Methodologies category 11.86% 6.34% 4.50%
Number of salaries quoted 51 22 25
Derby median annual salary £42,500 £47,500 £37,500
Median salary % change year-on-year -10.53% +26.67% -6.25%
10th Percentile £36,250 £36,250 £33,750
90th Percentile £65,000 £59,125 £45,750
Derbyshire median annual salary £42,500 £46,250 £37,500
% change year-on-year -8.11% +23.33% -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 447 473 556
As % of all permanent IT jobs advertised in Derby 87.65% 90.61% 86.47%
Number of salaries quoted 376 356 463
Derby median annual salary £40,000 £40,000 £35,690
Median salary % change year-on-year - +12.08% -10.78%
10th Percentile £24,000 £26,250 £22,750
90th Percentile £72,500 £60,000 £48,750
Derbyshire median annual salary £40,000 £40,000 £35,690
% change year-on-year - +12.08% -10.78%

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 20 May 2018.

Salary histogram for TDD in Derby

For the 6 months to 20 May 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 53 (100.00%) Agile Software Development
2 40 (75.47%) BDD
3 37 (69.81%) Scrum
4 30 (56.60%) Computer Science
5 26 (49.06%) RESTful
6 25 (47.17%) C#
6 25 (47.17%) SQL Server
6 25 (47.17%) Web Services
7 24 (45.28%) .NET
8 22 (41.51%) SQL
8 22 (41.51%) Amazon AWS
9 20 (37.74%) MVC
10 18 (33.96%) Dependency Injection
11 17 (32.08%) Continuous Integration
11 17 (32.08%) ASP.NET
12 16 (30.19%) PostgreSQL
12 16 (30.19%) Web Application Development
12 16 (30.19%) Jenkins
12 16 (30.19%) Docker
13 15 (28.30%) Test Automation
14 14 (26.42%) ASP.NET Web API
14 14 (26.42%) SQL Server 2016
14 14 (26.42%) ASP.NET MVC 5
14 14 (26.42%) ASP.NET MVC
15 13 (24.53%) Facebook
15 13 (24.53%) Advertising
15 13 (24.53%) Marketing
16 12 (22.64%) Java
17 11 (20.75%) Relational Database
18 10 (18.87%) Microservices

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 6 (11.32%) Elasticsearch
2 2 (3.77%) Tomcat
Cloud Services
1 22 (41.51%) Amazon AWS
2 6 (11.32%) Amazon EC2
2 6 (11.32%) CloudFront
2 6 (11.32%) Virtual Private Cloud
3 2 (3.77%) Microsoft Azure
Communications & Networking
1 6 (11.32%) OpenLDAP
2 1 (1.89%) Internet
Database & Business Intelligence
1 25 (47.17%) SQL Server
2 16 (30.19%) PostgreSQL
3 14 (26.42%) SQL Server 2016
4 11 (20.75%) Relational Database
5 6 (11.32%) Amazon RDS
5 6 (11.32%) Data Warehouse
5 6 (11.32%) SQL Server Analysis Services
5 6 (11.32%) SQL Server Integration Services
5 6 (11.32%) SQL Server Reporting Services
6 5 (9.43%) NoSQL
7 3 (5.66%) RDBMS
8 2 (3.77%) MongoDB
8 2 (3.77%) MySQL
Development Applications
1 16 (30.19%) Jenkins
2 10 (18.87%) Git (software)
3 9 (16.98%) Visual Studio
4 5 (9.43%) IntelliJ
4 5 (9.43%) JIRA
4 5 (9.43%) Selenium
5 4 (7.55%) Cucumber
6 3 (5.66%) ReSharper
7 2 (3.77%) JMeter
7 2 (3.77%) JUnit
7 2 (3.77%) Protractor
8 1 (1.89%) Ant
8 1 (1.89%) Team Foundation Server
General
1 13 (24.53%) Advertising
1 13 (24.53%) Marketing
2 2 (3.77%) Retail
Job Titles
1 40 (75.47%) Developer
2 17 (32.08%) Software Developer
3 15 (28.30%) .NET Developer
4 6 (11.32%) DevOps Engineer
5 5 (9.43%) Business Intelligence Developer
6 2 (3.77%) Analyst
6 2 (3.77%) Automation Tester
6 2 (3.77%) Java Developer
6 2 (3.77%) QA Analyst
6 2 (3.77%) Senior Developer
6 2 (3.77%) Senior Java Developer
6 2 (3.77%) Tester
7 1 (1.89%) Applications Developer
7 1 (1.89%) Internet Developer
7 1 (1.89%) Operations Engineer
7 1 (1.89%) Product Manager
7 1 (1.89%) QA Engineer
7 1 (1.89%) Software Engineer
7 1 (1.89%) Software Product Manager
7 1 (1.89%) VB.NET Developer
Libraries, Frameworks & Software Standards
1 26 (49.06%) RESTful
2 25 (47.17%) Web Services
3 24 (45.28%) .NET
4 17 (32.08%) ASP.NET
5 14 (26.42%) ASP.NET MVC
5 14 (26.42%) ASP.NET MVC 5
5 14 (26.42%) ASP.NET Web API
6 7 (13.21%) HTML
6 7 (13.21%) HTML5
7 6 (11.32%) AngularJS
7 6 (11.32%) CSS
7 6 (11.32%) LDAP
8 5 (9.43%) CSS3
8 5 (9.43%) Ionic Framework
8 5 (9.43%) Sass
8 5 (9.43%) Vert.x
9 3 (5.66%) WPF
10 2 (3.77%) Gherkin
10 2 (3.77%) JSP
10 2 (3.77%) LINQ
Miscellaneous
1 30 (56.60%) Computer Science
2 1 (1.89%) Greenfield Project
Operating Systems
1 6 (11.32%) CentOS
1 6 (11.32%) Linux
Processes & Methodologies
1 53 (100.00%) Agile Software Development
2 40 (75.47%) BDD
3 37 (69.81%) Scrum
4 20 (37.74%) MVC
5 18 (33.96%) Dependency Injection
6 17 (32.08%) Continuous Integration
7 16 (30.19%) Web Application Development
8 15 (28.30%) Test Automation
9 10 (18.87%) Microservices
10 9 (16.98%) MVVM
11 8 (15.09%) Software Engineering
12 7 (13.21%) Mathematics
13 6 (11.32%) Business Intelligence
13 6 (11.32%) DevOps
13 6 (11.32%) ETL
13 6 (11.32%) Requirements Analysis
13 6 (11.32%) Visualisation
14 5 (9.43%) API Design
15 4 (7.55%) Mentoring
16 2 (3.77%) Functional Testing
Programming Languages
1 25 (47.17%) C#
2 22 (41.51%) SQL
3 12 (22.64%) Java
4 10 (18.87%) C++
5 7 (13.21%) JavaScript
6 6 (11.32%) VB.NET
7 5 (9.43%) C
7 5 (9.43%) Scala
8 1 (1.89%) T-SQL
Qualifications
1 8 (15.09%) Degree
2 2 (3.77%) Microsoft Certification
3 1 (1.89%) MCSE
Quality Assurance & Compliance
1 5 (9.43%) QA
2 3 (5.66%) ISO 9001
3 1 (1.89%) TickIT
System Software
1 16 (30.19%) Docker
Systems Management
1 6 (11.32%) Opscode Chef
1 6 (11.32%) Terraform
1 6 (11.32%) ZABBIX
2 1 (1.89%) Systems Management Server (SMS)
Vendors
1 13 (24.53%) Facebook
2 5 (9.43%) Microsoft
3 2 (3.77%) Oracle