Period
to 16 December 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 December 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Derbyshire > Derby
6 months to
16 Dec 2018
Same period 2017 Same period 2016
Rank 25 32 19
Rank change year-on-year +7 -13 +1
Permanent jobs citing TDD 33 38 48
As % of all permanent IT jobs advertised in Derby 7.84% 7.85% 9.62%
As % of the Processes & Methodologies category 8.51% 8.56% 10.76%
Number of salaries quoted 30 33 54
Derby median annual salary £52,500 £35,000 £37,500
Median salary % change year-on-year +50.00% -6.67% +7.14%
10th Percentile £33,325 £30,500 £30,000
90th Percentile £75,000 £48,650 £42,500
Derbyshire median annual salary £52,500 £35,000 £37,500
% change year-on-year +50.00% -6.67% -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 388 444 446
As % of all permanent IT jobs advertised in Derby 92.16% 91.74% 89.38%
Number of salaries quoted 246 330 374
Derby median annual salary £40,000 £40,000 £37,500
Median salary % change year-on-year - +6.67% -
10th Percentile £22,375 £23,700 £24,250
90th Percentile £65,000 £61,250 £55,000
Derbyshire median annual salary £40,000 £37,500 £37,500
% change year-on-year +6.67% - -

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 December 2018.

Salary histogram for TDD in Derby

For the 6 months to 16 December 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 30 (90.91%) Agile Software Development
2 22 (66.67%) BDD
3 15 (45.45%) Scrum
3 15 (45.45%) C#
4 13 (39.39%) Amazon AWS
4 13 (39.39%) Elasticsearch
5 12 (36.36%) Opscode Chef
5 12 (36.36%) Jenkins
5 12 (36.36%) Amazon RDS
5 12 (36.36%) CloudFront
5 12 (36.36%) Docker
5 12 (36.36%) DevOps
5 12 (36.36%) Virtual Private Cloud
5 12 (36.36%) Terraform
5 12 (36.36%) ZABBIX
5 12 (36.36%) OpenLDAP
5 12 (36.36%) CentOS
5 12 (36.36%) Amazon EC2
5 12 (36.36%) Requirements Analysis
5 12 (36.36%) Web Services
5 12 (36.36%) Linux
5 12 (36.36%) LDAP
6 11 (33.33%) Microsoft
6 11 (33.33%) .NET
6 11 (33.33%) Test Automation
7 9 (27.27%) QA
7 9 (27.27%) Selenium
8 7 (21.21%) .NET Framework
8 7 (21.21%) SQL
8 7 (21.21%) MVC

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 13 (39.39%) Elasticsearch
2 3 (9.09%) K2 blackpearl
Cloud Services
1 13 (39.39%) Amazon AWS
2 12 (36.36%) Amazon EC2
2 12 (36.36%) CloudFront
2 12 (36.36%) Virtual Private Cloud
3 6 (18.18%) Microsoft Azure
4 3 (9.09%) npm
Communications & Networking
1 12 (36.36%) OpenLDAP
Database & Business Intelligence
1 12 (36.36%) Amazon RDS
2 6 (18.18%) SQL Server
3 2 (6.06%) SQLite
4 1 (3.03%) MongoDB
4 1 (3.03%) SQL Server 2016
Development Applications
1 12 (36.36%) Jenkins
2 9 (27.27%) Selenium
3 6 (18.18%) Cucumber
3 6 (18.18%) Git (software)
3 6 (18.18%) JUnit
3 6 (18.18%) Protractor
4 5 (15.15%) Visual Studio
5 3 (9.09%) Subversion
5 3 (9.09%) Visual Studio Code
5 3 (9.09%) webpack
6 2 (6.06%) ReSharper
6 2 (6.06%) SQL Server Management Studio (SSMS)
6 2 (6.06%) WebDriver
7 1 (3.03%) TeamCity
General
1 2 (6.06%) Finance
2 1 (3.03%) Games
Job Titles
1 12 (36.36%) AWS DevOps Engineer
1 12 (36.36%) DevOps Engineer
2 8 (24.24%) AWS DevOps
2 8 (24.24%) AWS Engineer
2 8 (24.24%) Senior DevOps
2 8 (24.24%) Senior DevOps Engineer
3 7 (21.21%) Developer
4 6 (18.18%) Tester
5 5 (15.15%) .NET Developer
5 5 (15.15%) Software Engineer
5 5 (15.15%) Software Tester
6 4 (12.12%) Operations Engineer
7 3 (9.09%) Automation Tester
7 3 (9.09%) Full Stack Developer
8 2 (6.06%) QA Engineer
9 1 (3.03%) Junior QA Engineer
9 1 (3.03%) QA Leader
9 1 (3.03%) QA Manager
9 1 (3.03%) QA Test Engineer
9 1 (3.03%) Test Engineer
Libraries, Frameworks & Software Standards
1 12 (36.36%) LDAP
1 12 (36.36%) Web Services
2 11 (33.33%) .NET
3 7 (21.21%) .NET Framework
4 6 (18.18%) ASP.NET
5 4 (12.12%) ASP.NET MVC
5 4 (12.12%) Entity Framework
6 3 (9.09%) CSS
6 3 (9.09%) HTML
6 3 (9.09%) Node.js
6 3 (9.09%) React
6 3 (9.09%) Redux
6 3 (9.09%) Spring
6 3 (9.09%) WPF
7 1 (3.03%) AngularJS
7 1 (3.03%) KnockoutJS
7 1 (3.03%) MSMQ
7 1 (3.03%) RESTful
7 1 (3.03%) Twitter Bootstrap
7 1 (3.03%) WCF
Operating Systems
1 12 (36.36%) CentOS
1 12 (36.36%) Linux
Processes & Methodologies
1 30 (90.91%) Agile Software Development
2 22 (66.67%) BDD
3 15 (45.45%) Scrum
4 12 (36.36%) DevOps
4 12 (36.36%) Requirements Analysis
5 11 (33.33%) Test Automation
6 7 (21.21%) MVC
7 6 (18.18%) Analytics
7 6 (18.18%) Artificial Intelligence
7 6 (18.18%) SDLC
7 6 (18.18%) Software Testing
7 6 (18.18%) Unit Testing
8 5 (15.15%) Computer Science
8 5 (15.15%) Software Engineering
9 3 (9.09%) Manual Testing
9 3 (9.09%) User Stories
9 3 (9.09%) Web Development
10 2 (6.06%) Continuous Integration
10 2 (6.06%) Mentoring
10 2 (6.06%) MVVM
Programming Languages
1 15 (45.45%) C#
2 7 (21.21%) SQL
3 6 (18.18%) JavaScript
4 5 (15.15%) C++
5 3 (9.09%) T-SQL
5 3 (9.09%) TypeScript
6 1 (3.03%) F#
6 1 (3.03%) Ruby
Qualifications
1 5 (15.15%) Degree
2 3 (9.09%) SC Cleared
2 3 (9.09%) Security Cleared
Quality Assurance & Compliance
1 9 (27.27%) QA
2 2 (6.06%) ISO 9001
System Software
1 12 (36.36%) Docker
Systems Management
1 12 (36.36%) Opscode Chef
1 12 (36.36%) Terraform
1 12 (36.36%) ZABBIX
2 1 (3.03%) Kibana
Vendors
1 11 (33.33%) Microsoft
2 1 (3.03%) Google