Period
to 3 June 2020

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 3 June 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Cheshire > Chester
6 months to
3 Jun 2020
Same period 2019 Same period 2018
Rank 32 31 22
Rank change year-on-year -1 -9 +2
Permanent jobs citing TDD 9 5 32
As % of all permanent jobs advertised in Chester 4.71% 2.67% 10.85%
As % of the Processes & Methodologies category 4.89% 2.96% 11.99%
Number of salaries quoted 6 5 32
Median annual salary £55,000 £35,000 £50,000
Median salary % change year-on-year +57.14% -30.00% +5.26%
Cheshire median annual salary £50,000 £55,000 £46,668
% change year-on-year -9.09% +17.86% +9.81%

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 184 169 267
As % of all permanent IT jobs advertised in Chester 96.34% 90.37% 90.51%
Number of salaries quoted 156 139 239
Median annual salary £42,500 £37,500 £42,500
Median salary % change year-on-year +13.33% -11.76% +11.84%
10th Percentile £31,250 £25,000 £27,500
90th Percentile £67,500 £56,250 £60,000
Cheshire median annual salary £45,000 £45,000 £45,000

TDD
Job Vacancy Trend in Chester

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

Job vacancy trend for TDD in Chester

TDD
Salary Trend in Chester

3-month moving average salary quoted in jobs citing TDD in Chester.

Salary trend for TDD in Chester

For the 6 months to 3 June 2020, 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 7 (77.78%) C#
2 6 (66.67%) .NET
2 6 (66.67%) Web Services
2 6 (66.67%) Agile Software Development
2 6 (66.67%) AngularJS
2 6 (66.67%) AWS
2 6 (66.67%) .NET Core
3 5 (55.56%) Git (software)
3 5 (55.56%) Microsoft
3 5 (55.56%) Scrum
3 5 (55.56%) SOAP
3 5 (55.56%) SQL Server
4 4 (44.44%) SQL
4 4 (44.44%) RESTful
4 4 (44.44%) Serverless
5 3 (33.33%) Azure
5 3 (33.33%) GDPR
5 3 (33.33%) PCI DSS
5 3 (33.33%) WCF
5 3 (33.33%) BDD
5 3 (33.33%) REST
5 3 (33.33%) T-SQL
5 3 (33.33%) Biometrics
5 3 (33.33%) Visual Studio
6 2 (22.22%) ASP.NET
6 2 (22.22%) Java
6 2 (22.22%) Unit Testing
6 2 (22.22%) Stakeholder Management
6 2 (22.22%) JIRA
6 2 (22.22%) Spring

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 1 (11.11%) Tomcat
Cloud Services
1 6 (66.67%) AWS
2 4 (44.44%) Serverless
3 3 (33.33%) Azure
4 1 (11.11%) Amazon EC2
4 1 (11.11%) Amazon ECS
4 1 (11.11%) AWS Lambda
4 1 (11.11%) Azure Functions
4 1 (11.11%) GitHub
4 1 (11.11%) PaaS
Communications & Networking
1 1 (11.11%) Ethernet
1 1 (11.11%) VLAN
Database & Business Intelligence
1 5 (55.56%) SQL Server
2 1 (11.11%) Amazon DynamoDB
2 1 (11.11%) Amazon Redshift
2 1 (11.11%) Cosmos DB
2 1 (11.11%) MongoDB
2 1 (11.11%) NoSQL
Development Applications
1 5 (55.56%) Git (software)
2 3 (33.33%) Visual Studio
3 2 (22.22%) JIRA
4 1 (11.11%) Eclipse
4 1 (11.11%) IntelliJ
4 1 (11.11%) Jenkins
4 1 (11.11%) Team Foundation Server
General
1 1 (11.11%) Finance
1 1 (11.11%) Retail
Job Titles
1 8 (88.89%) Developer
2 5 (55.56%) C# Developer
3 1 (11.11%) .NET Developer
3 1 (11.11%) Embedded Engineer
3 1 (11.11%) Embedded Software Engineer
3 1 (11.11%) Java Developer
3 1 (11.11%) Senior Developer
3 1 (11.11%) Senior Embedded Software Engineer
3 1 (11.11%) Senior Software Engineer
3 1 (11.11%) Software Engineer
Libraries, Frameworks & Software Standards
1 6 (66.67%) .NET
1 6 (66.67%) .NET Core
1 6 (66.67%) AngularJS
1 6 (66.67%) Web Services
2 5 (55.56%) SOAP
3 4 (44.44%) RESTful
4 3 (33.33%) REST
4 3 (33.33%) WCF
5 2 (22.22%) ASP.NET
5 2 (22.22%) React
5 2 (22.22%) Spring
6 1 (11.11%) CSS
6 1 (11.11%) Dropwizard
6 1 (11.11%) HTML
6 1 (11.11%) JAX-RS
6 1 (11.11%) OpenEmbedded
6 1 (11.11%) RabbitMQ
6 1 (11.11%) Spring Boot
6 1 (11.11%) Spring Integration
6 1 (11.11%) Yocto
Miscellaneous
1 1 (11.11%) Mobile App
Operating Systems
1 1 (11.11%) Embedded Linux
1 1 (11.11%) Linux
Processes & Methodologies
1 6 (66.67%) Agile Software Development
2 5 (55.56%) Scrum
3 3 (33.33%) BDD
3 3 (33.33%) Biometrics
4 2 (22.22%) Commercial Awareness
4 2 (22.22%) Continuous Delivery
4 2 (22.22%) Customer Requirements
4 2 (22.22%) DevOps
4 2 (22.22%) Microservices
4 2 (22.22%) Stakeholder Management
4 2 (22.22%) Test Automation
4 2 (22.22%) Unit Testing
5 1 (11.11%) Continuous Integration
5 1 (11.11%) Mentoring
5 1 (11.11%) MVC
5 1 (11.11%) OO
5 1 (11.11%) Personalization
5 1 (11.11%) SOA
5 1 (11.11%) Software Engineering
5 1 (11.11%) Sprint Review
Programming Languages
1 7 (77.78%) C#
2 4 (44.44%) SQL
3 3 (33.33%) T-SQL
4 2 (22.22%) Java
4 2 (22.22%) PowerShell
5 1 (11.11%) C
5 1 (11.11%) Java 8
5 1 (11.11%) JavaScript
Quality Assurance & Compliance
1 3 (33.33%) GDPR
1 3 (33.33%) PCI DSS
2 1 (11.11%) Data Quality
System Software
1 1 (11.11%) Docker
Vendors
1 5 (55.56%) Microsoft