Period
to 19 August 2018

The following table provides summary statistics for permanent job vacancies advertised in Chester 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 19 August 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Cheshire > Chester
6 months to
19 Aug 2018
Same period 2017 Same period 2016
Rank 24 24 39
Rank change year-on-year 0 +15 -18
Permanent jobs citing TDD 23 24 14
As % of all permanent IT jobs advertised in Chester 8.16% 8.03% 4.13%
As % of the Processes & Methodologies category 8.88% 9.34% 4.71%
Number of salaries quoted 21 21 14
Chester median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% -
10th Percentile £38,750 £33,250 £33,750
90th Percentile £65,000 £52,500 £52,500
Cheshire median annual salary £50,000 £42,500 £40,000
% change year-on-year +17.65% +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 Chester with a requirement for process or methodology skills.

All Process and Methodology Skills
Chester
Permanent vacancies with a requirement for process or methodology skills 259 257 297
As % of all permanent IT jobs advertised in Chester 91.84% 85.95% 87.61%
Number of salaries quoted 227 225 263
Chester median annual salary £42,500 £40,000 £36,500
Median salary % change year-on-year +6.25% +9.59% -8.75%
10th Percentile £26,250 £27,500 £24,500
90th Percentile £65,000 £54,500 £55,000
Cheshire median annual salary £45,000 £40,000 £37,500
% change year-on-year +12.50% +6.67% -6.25%

TDD
Job Vacancy Trend in Chester

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

Job vacancy trend for TDD in Chester

TDD
Salary Trend in Chester

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

Salary trend for TDD in Chester

TDD
Salary Histogram in Chester

The salary distribution of IT jobs citing TDD in Chester over the 6 months to 19 August 2018.

Salary histogram for TDD in Chester

For the 6 months to 19 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 Chester region with a requirement for TDD.

1 21 (91.30%) Agile Software Development
2 19 (82.61%) JavaScript
3 18 (78.26%) HTML
4 17 (73.91%) CSS
5 15 (65.22%) MVC
6 13 (56.52%) Twitter Bootstrap
7 12 (52.17%) Scrum
7 12 (52.17%) SQL
7 12 (52.17%) .NET
8 11 (47.83%) SQL Server
8 11 (47.83%) C#
8 11 (47.83%) AngularJS
9 10 (43.48%) Git (software)
9 10 (43.48%) ASP.NET
10 9 (39.13%) ASP.NET MVC
11 8 (34.78%) Kanban
11 8 (34.78%) Amazon AWS
11 8 (34.78%) .NET Framework
11 8 (34.78%) Unit Testing
11 8 (34.78%) OOP
12 7 (30.43%) jQuery
12 7 (30.43%) Microsoft Azure
12 7 (30.43%) NoSQL
12 7 (30.43%) ASP.NET MVC 5
13 6 (26.09%) REST
13 6 (26.09%) Kafka
13 6 (26.09%) RESTful
13 6 (26.09%) Web Services
13 6 (26.09%) MySQL
13 6 (26.09%) Java

TDD
Co-occurring IT Skills in Chester 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 (21.74%) Apache Spark
2 4 (17.39%) Apache
3 2 (8.70%) Apache Pig
4 1 (4.35%) Apache Solr
4 1 (4.35%) Elasticsearch
4 1 (4.35%) IIS
4 1 (4.35%) nginx
4 1 (4.35%) Tomcat
Cloud Services
1 8 (34.78%) Amazon AWS
2 7 (30.43%) Microsoft Azure
3 3 (13.04%) Amazon EC2
4 2 (8.70%) Amazon EMR
4 2 (8.70%) Cloud Computing
5 1 (4.35%) Amazon SQS
5 1 (4.35%) GitHub
5 1 (4.35%) Route 53
5 1 (4.35%) SaaS
Communications & Networking
1 1 (4.35%) Internet
Database & Business Intelligence
1 11 (47.83%) SQL Server
2 7 (30.43%) NoSQL
3 6 (26.09%) MySQL
4 5 (21.74%) Big Data
4 5 (21.74%) Hadoop
4 5 (21.74%) MongoDB
5 3 (13.04%) Amazon Redshift
5 3 (13.04%) Flink
6 2 (8.70%) Amazon Athena
6 2 (8.70%) Apache Hive
6 2 (8.70%) SQL Server 2016
7 1 (4.35%) Relational Database
Development Applications
1 10 (43.48%) Git (software)
2 2 (8.70%) JIRA
3 1 (4.35%) Cucumber
3 1 (4.35%) Gradle
3 1 (4.35%) Jenkins
3 1 (4.35%) JUnit
3 1 (4.35%) Liquibase
3 1 (4.35%) Team Foundation Server
3 1 (4.35%) Visual Studio
General
1 5 (21.74%) Retail
2 2 (8.70%) Games
3 1 (4.35%) Finance
3 1 (4.35%) Marketing
Job Titles
1 15 (65.22%) Developer
2 9 (39.13%) Software Developer
3 8 (34.78%) .NET Developer
4 6 (26.09%) .NET Software Developer
4 6 (26.09%) ASP.NET Developer
4 6 (26.09%) ASP.NET MVC Developer
4 6 (26.09%) C# .NET Developer
4 6 (26.09%) C# ASP.NET Developer
4 6 (26.09%) C# Developer
4 6 (26.09%) C# Software Developer
4 6 (26.09%) Senior .NET Developer
4 6 (26.09%) Senior .NET Software Developer
4 6 (26.09%) Senior ASP.NET Developer
4 6 (26.09%) Senior ASP.NET MVC Developer
4 6 (26.09%) Senior C# .NET Developer
4 6 (26.09%) Senior C# ASP.NET Developer
4 6 (26.09%) Senior C# Developer
4 6 (26.09%) Senior C# Software Developer
4 6 (26.09%) Senior Developer
4 6 (26.09%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 18 (78.26%) HTML
2 17 (73.91%) CSS
3 13 (56.52%) Twitter Bootstrap
4 12 (52.17%) .NET
5 11 (47.83%) AngularJS
6 10 (43.48%) ASP.NET
7 9 (39.13%) ASP.NET MVC
8 8 (34.78%) .NET Framework
9 7 (30.43%) ASP.NET MVC 5
9 7 (30.43%) jQuery
10 6 (26.09%) Kafka
10 6 (26.09%) REST
10 6 (26.09%) RESTful
10 6 (26.09%) Web Services
11 4 (17.39%) Laravel
11 4 (17.39%) Node.js
12 3 (13.04%) ASP.NET Web API
12 3 (13.04%) React
12 3 (13.04%) Sass
12 3 (13.04%) Spark Streaming
Miscellaneous
1 4 (17.39%) Linux Command Line
2 2 (8.70%) Computer Science
3 1 (4.35%) Analytical Skills
3 1 (4.35%) Infotainment
3 1 (4.35%) Internet of Things
3 1 (4.35%) Mobile App
Operating Systems
1 4 (17.39%) Linux
1 4 (17.39%) Unix
2 2 (8.70%) Windows
3 1 (4.35%) CentOS
3 1 (4.35%) Red Hat Enterprise Linux
Processes & Methodologies
1 21 (91.30%) Agile Software Development
2 15 (65.22%) MVC
3 12 (52.17%) Scrum
4 8 (34.78%) Kanban
4 8 (34.78%) OOP
4 8 (34.78%) Unit Testing
5 5 (21.74%) BDD
5 5 (21.74%) Continuous Delivery
5 5 (21.74%) Data Engineering
5 5 (21.74%) Data Modelling
5 5 (21.74%) Dependency Injection
5 5 (21.74%) Microservices
5 5 (21.74%) Software Engineering
5 5 (21.74%) SOLID
6 4 (17.39%) Continuous Integration
7 3 (13.04%) OO
8 2 (8.70%) Business Intelligence
8 2 (8.70%) Change Management
8 2 (8.70%) Configuration Management
8 2 (8.70%) Service Delivery
Programming Languages
1 19 (82.61%) JavaScript
2 12 (52.17%) SQL
3 11 (47.83%) C#
4 6 (26.09%) Java
4 6 (26.09%) PHP
5 3 (13.04%) Python
5 3 (13.04%) Scala
5 3 (13.04%) T-SQL
6 2 (8.70%) Ruby
7 1 (4.35%) Java 8
7 1 (4.35%) TypeScript
Qualifications
1 2 (8.70%) Computer Science Degree
1 2 (8.70%) Degree
1 2 (8.70%) Numerate Degree
System Software
1 4 (17.39%) Docker
Systems Management
1 1 (4.35%) Kubernetes
1 1 (4.35%) Opscode Chef
Vendors
1 5 (21.74%) Microsoft
2 2 (8.70%) CA Agile Central
2 2 (8.70%) Cloudera
2 2 (8.70%) Talend