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

Test-Driven Development (TDD)
Cheshire > Chester
6 months to
20 Oct 2018
Same period 2017 Same period 2016
Rank 21 27 28
Rank change year-on-year +6 +1 -8
Permanent jobs citing TDD 27 21 24
As % of all permanent IT jobs advertised in Chester 9.78% 7.58% 8.05%
As % of the Processes & Methodologies category 10.42% 8.61% 9.20%
Number of salaries quoted 28 19 21
Chester median annual salary £50,000 £47,500 £42,500
Median salary % change year-on-year +5.26% +11.76% -5.56%
10th Percentile £32,500 £36,250 £33,750
90th Percentile £61,250 £53,000 £50,000
Cheshire median annual salary £50,083 £45,000 £40,000
% change year-on-year +11.29% +12.50% -

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 259 244 261
As % of all permanent IT jobs advertised in Chester 93.84% 88.09% 87.58%
Number of salaries quoted 228 211 228
Chester median annual salary £42,500 £42,500 £37,500
Median salary % change year-on-year - +13.33% -11.76%
10th Percentile £25,000 £27,500 £24,500
90th Percentile £62,500 £59,250 £57,500
Cheshire median annual salary £45,000 £42,500 £37,500
% change year-on-year +5.88% +13.33% -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 20 October 2018.

Salary histogram for TDD in Chester

For the 6 months to 20 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 Chester region with a requirement for TDD.

1 27 (100.00%) Agile Software Development
2 21 (77.78%) C#
2 21 (77.78%) .NET
3 20 (74.07%) SQL
3 20 (74.07%) SQL Server
4 16 (59.26%) MVC
4 16 (59.26%) Microsoft
5 15 (55.56%) .NET Framework
6 14 (51.85%) Web Services
7 13 (48.15%) WCF
7 13 (48.15%) RESTful
7 13 (48.15%) BDD
8 12 (44.44%) ASP.NET MVC
8 12 (44.44%) ASP.NET
8 12 (44.44%) T-SQL
9 11 (40.74%) HTML
9 11 (40.74%) JavaScript
9 11 (40.74%) CSS
9 11 (40.74%) SOAP
9 11 (40.74%) Windows
10 10 (37.04%) Kanban
11 9 (33.33%) Git (software)
11 9 (33.33%) Team Foundation Server
11 9 (33.33%) Visual Studio
12 8 (29.63%) Microsoft Azure
12 8 (29.63%) Acceptance Criteria
13 7 (25.93%) Twitter Bootstrap
13 7 (25.93%) jQuery
13 7 (25.93%) Scrum
14 6 (22.22%) OOP

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 4 (14.81%) Apache Spark
2 3 (11.11%) Apache
3 2 (7.41%) Apache Pig
4 1 (3.70%) Apache Solr
4 1 (3.70%) Elasticsearch
4 1 (3.70%) IIS
4 1 (3.70%) nginx
4 1 (3.70%) Tomcat
Cloud Services
1 8 (29.63%) Microsoft Azure
2 6 (22.22%) Amazon AWS
3 3 (11.11%) Amazon EC2
4 2 (7.41%) Amazon EMR
4 2 (7.41%) Cloud Computing
5 1 (3.70%) Amazon SQS
5 1 (3.70%) GitHub
5 1 (3.70%) Route 53
5 1 (3.70%) SaaS
Communications & Networking
1 1 (3.70%) Internet
Database & Business Intelligence
1 20 (74.07%) SQL Server
2 6 (22.22%) NoSQL
3 4 (14.81%) Big Data
3 4 (14.81%) Hadoop
3 4 (14.81%) MongoDB
4 3 (11.11%) Amazon Redshift
4 3 (11.11%) MySQL
5 2 (7.41%) Amazon Athena
5 2 (7.41%) Apache Hive
5 2 (7.41%) Flink
5 2 (7.41%) SQL Server 2016
6 1 (3.70%) Relational Database
Development Applications
1 9 (33.33%) Git (software)
1 9 (33.33%) Team Foundation Server
1 9 (33.33%) Visual Studio
2 3 (11.11%) JIRA
3 1 (3.70%) AccuRev
3 1 (3.70%) Cucumber
3 1 (3.70%) Gradle
3 1 (3.70%) Jenkins
3 1 (3.70%) JUnit
3 1 (3.70%) Liquibase
3 1 (3.70%) TeamCity
General
1 5 (18.52%) Retail
2 2 (7.41%) Games
3 1 (3.70%) Finance
3 1 (3.70%) Marketing
Job Titles
1 22 (81.48%) Developer
2 18 (66.67%) .NET Developer
3 11 (40.74%) C# .NET Developer
3 11 (40.74%) C# Developer
4 7 (25.93%) Senior Developer
4 7 (25.93%) Software Developer
5 6 (22.22%) .NET Software Developer
5 6 (22.22%) ASP.NET Developer
5 6 (22.22%) ASP.NET MVC Developer
5 6 (22.22%) C# ASP.NET Developer
5 6 (22.22%) C# Software Developer
5 6 (22.22%) Senior .NET Developer
5 6 (22.22%) Senior .NET Software Developer
5 6 (22.22%) Senior ASP.NET Developer
5 6 (22.22%) Senior ASP.NET MVC Developer
5 6 (22.22%) Senior C# .NET Developer
5 6 (22.22%) Senior C# ASP.NET Developer
5 6 (22.22%) Senior C# Developer
5 6 (22.22%) Senior C# Software Developer
5 6 (22.22%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 21 (77.78%) .NET
2 15 (55.56%) .NET Framework
3 14 (51.85%) Web Services
4 13 (48.15%) RESTful
4 13 (48.15%) WCF
5 12 (44.44%) ASP.NET
5 12 (44.44%) ASP.NET MVC
6 11 (40.74%) CSS
6 11 (40.74%) HTML
6 11 (40.74%) SOAP
7 7 (25.93%) jQuery
7 7 (25.93%) Twitter Bootstrap
8 6 (22.22%) ASP.NET MVC 5
9 5 (18.52%) AngularJS
10 4 (14.81%) Kafka
11 3 (11.11%) ASP.NET Web API
11 3 (11.11%) ASP.NET Web Forms
11 3 (11.11%) JSON
11 3 (11.11%) REST
12 2 (7.41%) Spark Streaming
Miscellaneous
1 4 (14.81%) PMI
2 2 (7.41%) Computer Science
2 2 (7.41%) EPoS
3 1 (3.70%) Analytical Skills
3 1 (3.70%) Enterprise Software
3 1 (3.70%) Infotainment
3 1 (3.70%) Internet of Things
Operating Systems
1 11 (40.74%) Windows
2 1 (3.70%) CentOS
2 1 (3.70%) Linux
2 1 (3.70%) Red Hat Enterprise Linux
Processes & Methodologies
1 27 (100.00%) Agile Software Development
2 16 (59.26%) MVC
3 13 (48.15%) BDD
4 10 (37.04%) Kanban
5 8 (29.63%) Acceptance Criteria
6 7 (25.93%) Scrum
7 6 (22.22%) OOP
7 6 (22.22%) Unit Testing
8 4 (14.81%) Continuous Integration
8 4 (14.81%) Data Engineering
8 4 (14.81%) Data Modelling
8 4 (14.81%) Dependency Injection
9 2 (7.41%) Biometrics
9 2 (7.41%) Continuous Delivery
9 2 (7.41%) Data Ingestion
9 2 (7.41%) DevOps
9 2 (7.41%) Microservices
9 2 (7.41%) Presales
9 2 (7.41%) SDLC
9 2 (7.41%) SOLID
Programming Languages
1 21 (77.78%) C#
2 20 (74.07%) SQL
3 12 (44.44%) T-SQL
4 11 (40.74%) JavaScript
5 5 (18.52%) Java
6 2 (7.41%) PHP
6 2 (7.41%) Python
6 2 (7.41%) Ruby
6 2 (7.41%) Scala
7 1 (3.70%) F#
7 1 (3.70%) Java 8
7 1 (3.70%) VB.NET
Qualifications
1 4 (14.81%) PMI Certification
2 2 (7.41%) Computer Science Degree
2 2 (7.41%) Degree
2 2 (7.41%) Numerate Degree
Quality Assurance & Compliance
1 3 (11.11%) GDPR
System Software
1 1 (3.70%) Docker
Systems Management
1 1 (3.70%) Kibana
1 1 (3.70%) Kubernetes
Vendors
1 16 (59.26%) Microsoft
2 2 (7.41%) CA Agile Central
2 2 (7.41%) Cloudera
2 2 (7.41%) Talend
3 1 (3.70%) Google