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

Test-Driven Development (TDD)
Derbyshire > Derby
6 months to
20 Feb 2018
Same period 2017 Same period 2016
Rank 20 27 32
Rank change year-on-year +7 +5 -10
Permanent jobs citing TDD 61 37 48
As % of all permanent IT jobs advertised in Derby 12.06% 7.12% 7.19%
As % of the Processes & Methodologies category 13.96% 8.01% 8.33%
Number of salaries quoted 59 39 37
Derby median annual salary £42,500 £37,500 £37,500
Median salary % change year-on-year +13.33% - -6.25%
10th Percentile £32,500 £33,000 £22,500
90th Percentile £55,500 £42,500 £45,000
Derbyshire median annual salary £40,000 £37,500 £40,000
% change year-on-year +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 437 462 576
As % of all permanent IT jobs advertised in Derby 86.36% 88.85% 86.23%
Number of salaries quoted 336 371 480
Derby median annual salary £40,000 £40,000 £37,500
Median salary % change year-on-year - +6.67% -
10th Percentile £24,000 £26,250 £22,500
90th Percentile £65,000 £58,750 £54,750
Derbyshire median annual salary £38,500 £37,500 £37,000
% change year-on-year +2.67% +1.35% -1.33%

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 February 2018.

Salary histogram for TDD in Derby

For the 6 months to 20 February 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 61 (100.00%) Agile Software Development
2 50 (81.97%) BDD
3 38 (62.30%) RESTful
4 36 (59.02%) C#
4 36 (59.02%) .NET
4 36 (59.02%) SQL Server
5 35 (57.38%) MVC
6 34 (55.74%) Scrum
7 30 (49.18%) ASP.NET
8 29 (47.54%) ASP.NET Web API
9 28 (45.90%) Web Application Development
9 28 (45.90%) SQL Server 2016
9 28 (45.90%) ASP.NET MVC 5
9 28 (45.90%) ASP.NET MVC
10 27 (44.26%) Computer Science
11 23 (37.70%) AngularJS
12 21 (34.43%) Web Services
13 20 (32.79%) Amazon AWS
14 19 (31.15%) Greenfield Project
15 18 (29.51%) KnockoutJS
15 18 (29.51%) Twitter Bootstrap
15 18 (29.51%) Internet
16 16 (26.23%) SQL
17 15 (24.59%) PostgreSQL
17 15 (24.59%) Docker
17 15 (24.59%) Jenkins
17 15 (24.59%) Dependency Injection
18 11 (18.03%) Continuous Integration
19 10 (16.39%) Git (software)
19 10 (16.39%) Facebook

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 5 (8.20%) Elasticsearch
2 1 (1.64%) SharePoint
Cloud Services
1 20 (32.79%) Amazon AWS
2 5 (8.20%) Amazon EC2
2 5 (8.20%) CloudFront
2 5 (8.20%) Virtual Private Cloud
Communications & Networking
1 18 (29.51%) Internet
2 5 (8.20%) OpenLDAP
3 1 (1.64%) SMS
Database & Business Intelligence
1 36 (59.02%) SQL Server
2 28 (45.90%) SQL Server 2016
3 15 (24.59%) PostgreSQL
4 6 (9.84%) Relational Database
5 5 (8.20%) Amazon RDS
5 5 (8.20%) Data Warehouse
5 5 (8.20%) SQL Server Analysis Services
5 5 (8.20%) SQL Server Integration Services
5 5 (8.20%) SQL Server Reporting Services
6 2 (3.28%) MySQL
7 1 (1.64%) NoSQL
7 1 (1.64%) RDBMS
Development Applications
1 15 (24.59%) Jenkins
2 10 (16.39%) Git (software)
3 7 (11.48%) Visual Studio
4 5 (8.20%) IntelliJ
4 5 (8.20%) JIRA
5 2 (3.28%) Cucumber
5 2 (3.28%) JMeter
5 2 (3.28%) Selenium
5 2 (3.28%) Team Foundation Server
6 1 (1.64%) Ant
6 1 (1.64%) ReSharper
General
1 10 (16.39%) Advertising
1 10 (16.39%) Marketing
2 2 (3.28%) Retail
Job Titles
1 52 (85.25%) Developer
2 29 (47.54%) .NET Developer
3 18 (29.51%) Internet Developer
4 15 (24.59%) Software Developer
5 5 (8.20%) Business Intelligence Developer
5 5 (8.20%) DevOps Engineer
6 2 (3.28%) Analyst
6 2 (3.28%) Full Stack Developer
6 2 (3.28%) PHP Developer
6 2 (3.28%) QA Analyst
7 1 (1.64%) .NET Applications Developer
7 1 (1.64%) Applications Developer
7 1 (1.64%) Development Director
7 1 (1.64%) Full Stack Web Developer
7 1 (1.64%) PHP Web Developer
7 1 (1.64%) Product Manager
7 1 (1.64%) Software Development Director
7 1 (1.64%) Software Manager
7 1 (1.64%) VB.NET Developer
7 1 (1.64%) Web Developer
Libraries, Frameworks & Software Standards
1 38 (62.30%) RESTful
2 36 (59.02%) .NET
3 30 (49.18%) ASP.NET
4 29 (47.54%) ASP.NET Web API
5 28 (45.90%) ASP.NET MVC
5 28 (45.90%) ASP.NET MVC 5
6 23 (37.70%) AngularJS
7 21 (34.43%) Web Services
8 18 (29.51%) KnockoutJS
8 18 (29.51%) Twitter Bootstrap
9 7 (11.48%) CSS
9 7 (11.48%) HTML
10 6 (9.84%) CSS3
10 6 (9.84%) HTML5
10 6 (9.84%) Sass
11 5 (8.20%) Ionic Framework
11 5 (8.20%) LDAP
12 2 (3.28%) Gherkin
12 2 (3.28%) Laravel
12 2 (3.28%) Symfony
Miscellaneous
1 27 (44.26%) Computer Science
2 19 (31.15%) Greenfield Project
Operating Systems
1 5 (8.20%) CentOS
1 5 (8.20%) Linux
Processes & Methodologies
1 61 (100.00%) Agile Software Development
2 50 (81.97%) BDD
3 35 (57.38%) MVC
4 34 (55.74%) Scrum
5 28 (45.90%) Web Application Development
6 15 (24.59%) Dependency Injection
7 11 (18.03%) Continuous Integration
8 10 (16.39%) Microservices
9 8 (13.11%) Test Automation
10 6 (9.84%) Business Intelligence
10 6 (9.84%) MVVM
11 5 (8.20%) API Design
11 5 (8.20%) DevOps
11 5 (8.20%) ETL
11 5 (8.20%) Mathematics
11 5 (8.20%) Requirements Analysis
11 5 (8.20%) Software Engineering
11 5 (8.20%) Visualisation
12 2 (3.28%) Functional Testing
12 2 (3.28%) Scenario Testing
Programming Languages
1 36 (59.02%) C#
2 16 (26.23%) SQL
3 10 (16.39%) C++
3 10 (16.39%) Java
4 7 (11.48%) JavaScript
5 6 (9.84%) VB.NET
6 5 (8.20%) C
6 5 (8.20%) Scala
7 2 (3.28%) PHP
8 1 (1.64%) T-SQL
Qualifications
1 5 (8.20%) Degree
2 1 (1.64%) Microsoft Certification
Quality Assurance & Compliance
1 2 (3.28%) QA
System Software
1 15 (24.59%) Docker
Systems Management
1 5 (8.20%) Opscode Chef
1 5 (8.20%) Terraform
1 5 (8.20%) ZABBIX
2 1 (1.64%) Systems Management Server (SMS)
Vendors
1 10 (16.39%) Facebook
2 3 (4.92%) Microsoft
3 1 (1.64%) Zend