Period
to 22 October 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 22 October 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Derbyshire > Derby
6 months to
22 Oct 2018
Same period 2017 Same period 2016
Rank 17 31 19
Rank change year-on-year +14 -12 +3
Permanent jobs citing TDD 47 30 55
As % of all permanent IT jobs advertised in Derby 10.02% 6.62% 10.98%
As % of the Processes & Methodologies category 10.98% 7.25% 12.44%
Number of salaries quoted 44 25 61
Derby median annual salary £53,750 £35,000 £37,500
Median salary % change year-on-year +53.57% -6.67% +7.14%
10th Percentile £35,025 £30,400 £30,000
90th Percentile £75,000 £51,250 £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 428 414 442
As % of all permanent IT jobs advertised in Derby 91.26% 91.39% 88.22%
Number of salaries quoted 313 320 355
Derby median annual salary £40,000 £40,000 £37,500
Median salary % change year-on-year - +6.67% -
10th Percentile £25,150 £22,950 £22,550
90th Percentile £65,000 £60,000 £55,000
Derbyshire median annual salary £40,000 £38,500 £37,500
% change year-on-year +3.90% +2.67% -6.25%

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 22 October 2018.

Salary histogram for TDD in Derby

For the 6 months to 22 October 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 44 (93.62%) Agile Software Development
2 34 (72.34%) BDD
3 25 (53.19%) Scrum
4 21 (44.68%) Web Services
5 19 (40.43%) Amazon AWS
6 16 (34.04%) C#
6 16 (34.04%) Test Automation
7 15 (31.91%) Jenkins
7 15 (31.91%) Docker
8 14 (29.79%) Elasticsearch
9 13 (27.66%) Opscode Chef
9 13 (27.66%) DevOps
9 13 (27.66%) Amazon RDS
9 13 (27.66%) CloudFront
9 13 (27.66%) Amazon EC2
9 13 (27.66%) CentOS
9 13 (27.66%) ZABBIX
9 13 (27.66%) OpenLDAP
9 13 (27.66%) SQL
9 13 (27.66%) Linux
9 13 (27.66%) LDAP
9 13 (27.66%) Requirements Analysis
9 13 (27.66%) Virtual Private Cloud
9 13 (27.66%) Terraform
10 12 (25.53%) .NET
11 11 (23.40%) QA
11 11 (23.40%) Selenium
12 10 (21.28%) SQL Server
13 9 (19.15%) Microsoft
13 9 (19.15%) JavaScript

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 14 (29.79%) Elasticsearch
2 3 (6.38%) K2 blackpearl
2 3 (6.38%) Tomcat
Cloud Services
1 19 (40.43%) Amazon AWS
2 13 (27.66%) Amazon EC2
2 13 (27.66%) CloudFront
2 13 (27.66%) Virtual Private Cloud
3 4 (8.51%) Microsoft Azure
4 2 (4.26%) npm
Communications & Networking
1 13 (27.66%) OpenLDAP
Database & Business Intelligence
1 13 (27.66%) Amazon RDS
2 10 (21.28%) SQL Server
3 7 (14.89%) Relational Database
4 5 (10.64%) PostgreSQL
5 4 (8.51%) MongoDB
5 4 (8.51%) NoSQL
6 3 (6.38%) Data Warehouse
6 3 (6.38%) MySQL
6 3 (6.38%) SQL Server 2016
6 3 (6.38%) SQL Server Analysis Services
6 3 (6.38%) SQL Server Integration Services
6 3 (6.38%) SQL Server Reporting Services
7 1 (2.13%) RDBMS
Development Applications
1 15 (31.91%) Jenkins
2 11 (23.40%) Selenium
3 8 (17.02%) Cucumber
3 8 (17.02%) Git (software)
3 8 (17.02%) JUnit
3 8 (17.02%) Protractor
4 3 (6.38%) Visual Studio
5 2 (4.26%) JIRA
5 2 (4.26%) Subversion
5 2 (4.26%) Visual Studio Code
5 2 (4.26%) WebDriver
5 2 (4.26%) webpack
6 1 (2.13%) ReSharper
6 1 (2.13%) TeamCity
General
1 2 (4.26%) Advertising
1 2 (4.26%) Finance
1 2 (4.26%) Marketing
2 1 (2.13%) Games
Job Titles
1 18 (38.30%) Developer
2 13 (27.66%) AWS DevOps Engineer
2 13 (27.66%) DevOps Engineer
3 8 (17.02%) Tester
4 7 (14.89%) .NET Developer
4 7 (14.89%) AWS DevOps
4 7 (14.89%) AWS Engineer
4 7 (14.89%) Senior DevOps
4 7 (14.89%) Senior DevOps Engineer
5 6 (12.77%) Operations Engineer
6 5 (10.64%) Automation Tester
6 5 (10.64%) Software Tester
7 3 (6.38%) Full Stack Developer
7 3 (6.38%) Java Developer
7 3 (6.38%) Senior Developer
7 3 (6.38%) Senior Java Developer
7 3 (6.38%) Software Engineer
8 2 (4.26%) Angular Developer
8 2 (4.26%) Business Intelligence Developer
8 2 (4.26%) SQL BI Developer
Libraries, Frameworks & Software Standards
1 21 (44.68%) Web Services
2 13 (27.66%) LDAP
3 12 (25.53%) .NET
4 9 (19.15%) RESTful
5 8 (17.02%) HTML
6 7 (14.89%) .NET Framework
6 7 (14.89%) Spring
7 6 (12.77%) ASP.NET
7 6 (12.77%) HTML5
8 5 (10.64%) ASP.NET MVC
8 5 (10.64%) CSS
8 5 (10.64%) Hibernate
9 4 (8.51%) AngularJS
9 4 (8.51%) Entity Framework
10 3 (6.38%) ASP.NET Web API
10 3 (6.38%) CSS3
10 3 (6.38%) JSP
10 3 (6.38%) Redux
11 2 (4.26%) Ionic Framework
11 2 (4.26%) J2EE
Miscellaneous
1 8 (17.02%) Computer Science
2 2 (4.26%) User Experience
Operating Systems
1 13 (27.66%) CentOS
1 13 (27.66%) Linux
Processes & Methodologies
1 44 (93.62%) Agile Software Development
2 34 (72.34%) BDD
3 25 (53.19%) Scrum
4 16 (34.04%) Test Automation
5 13 (27.66%) DevOps
5 13 (27.66%) Requirements Analysis
6 8 (17.02%) MVC
6 8 (17.02%) SDLC
6 8 (17.02%) Software Testing
6 8 (17.02%) Unit Testing
7 6 (12.77%) Analytics
7 6 (12.77%) Artificial Intelligence
7 6 (12.77%) Mentoring
7 6 (12.77%) Software Engineering
7 6 (12.77%) Web Application Development
8 4 (8.51%) Front End Development
9 3 (6.38%) Creative Thinking
9 3 (6.38%) Manual Testing
9 3 (6.38%) Microservices
9 3 (6.38%) Web Development
Programming Languages
1 16 (34.04%) C#
2 13 (27.66%) SQL
3 9 (19.15%) JavaScript
4 5 (10.64%) Java
5 3 (6.38%) C++
6 2 (4.26%) T-SQL
6 2 (4.26%) TypeScript
7 1 (2.13%) ES6
7 1 (2.13%) F#
7 1 (2.13%) Ruby
Qualifications
1 3 (6.38%) Degree
1 3 (6.38%) SC Cleared
1 3 (6.38%) Security Cleared
Quality Assurance & Compliance
1 11 (23.40%) QA
2 1 (2.13%) ISO 9001
System Software
1 15 (31.91%) Docker
Systems Management
1 13 (27.66%) Opscode Chef
1 13 (27.66%) Terraform
1 13 (27.66%) ZABBIX
2 1 (2.13%) Kibana
Vendors
1 9 (19.15%) Microsoft
2 3 (6.38%) Oracle
3 2 (4.26%) Facebook
4 1 (2.13%) Google