Period
to 20 October 2018

The following table provides summary statistics for permanent job vacancies advertised in Altrincham 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)
Manchester > Altrincham
6 months to
20 Oct 2018
Same period 2017 Same period 2016
Rank 37 9 24
Rank change year-on-year -28 +15 -1
Permanent jobs citing TDD 13 40 5
As % of all permanent IT jobs advertised in Altrincham 5.06% 24.84% 4.24%
As % of the Processes & Methodologies category 5.33% 26.49% 5.88%
Number of salaries quoted 13 37 5
Altrincham median annual salary £45,000 £42,500 £45,000
Median salary % change year-on-year +5.88% -5.56% -5.26%
10th Percentile £34,250 £33,750 £42,500
90th Percentile £47,500 £48,750 £51,250
Manchester median annual salary £50,000 £45,000 £45,000
% change year-on-year +11.11% - +5.88%

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 Altrincham with a requirement for process or methodology skills.

All Process and Methodology Skills
Altrincham
Permanent vacancies with a requirement for process or methodology skills 244 151 85
As % of all permanent IT jobs advertised in Altrincham 94.94% 93.79% 72.03%
Number of salaries quoted 208 119 70
Altrincham median annual salary £50,000 £42,000 £37,500
Median salary % change year-on-year +19.05% +12.00% -2.60%
10th Percentile £32,500 £27,450 £21,250
90th Percentile £63,750 £51,250 £50,100
Manchester median annual salary £45,000 £43,000 £42,500
% change year-on-year +4.65% +1.18% +6.25%

TDD
Job Vacancy Trend in Altrincham

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

Job vacancy trend for TDD in Altrincham

TDD
Salary Trend in Altrincham

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

Salary trend for TDD in Altrincham

TDD
Salary Histogram in Altrincham

The salary distribution of IT jobs citing TDD in Altrincham over the 6 months to 20 October 2018.

Salary histogram for TDD in Altrincham

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 Altrincham region with a requirement for TDD.

1 11 (84.62%) C#
1 11 (84.62%) .NET
1 11 (84.62%) MVC
2 9 (69.23%) HTML
3 8 (61.54%) JavaScript
3 8 (61.54%) SQL Server
3 8 (61.54%) ASP.NET
3 8 (61.54%) Continuous Integration
3 8 (61.54%) Mercurial
3 8 (61.54%) AngularJS
3 8 (61.54%) ASP.NET Web Forms
3 8 (61.54%) Continuous Delivery
3 8 (61.54%) .NET Core
3 8 (61.54%) Problem-Solving
4 5 (38.46%) Agile Software Development
5 3 (23.08%) Test Automation
5 3 (23.08%) Scrum
6 2 (15.38%) Regression Testing
6 2 (15.38%) Risk Analysis
6 2 (15.38%) Time Management
6 2 (15.38%) JIRA
6 2 (15.38%) Refactoring
6 2 (15.38%) QA
6 2 (15.38%) Finance
6 2 (15.38%) Microsoft
6 2 (15.38%) Scenario Testing
6 2 (15.38%) Acceptance Criteria
6 2 (15.38%) SDLC
6 2 (15.38%) Defect Management
6 2 (15.38%) User Stories

TDD
Co-occurring IT Skills in Altrincham 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 2 (15.38%) Confluence
Database & Business Intelligence
1 8 (61.54%) SQL Server
2 1 (7.69%) NoSQL
Development Applications
1 8 (61.54%) Mercurial
2 2 (15.38%) Cucumber
2 2 (15.38%) JIRA
General
1 2 (15.38%) Finance
Job Titles
1 11 (84.62%) Developer
2 8 (61.54%) C# Developer
2 8 (61.54%) Senior C# Developer
2 8 (61.54%) Senior Developer
3 2 (15.38%) .NET Developer
3 2 (15.38%) Analyst
3 2 (15.38%) Test Analyst
4 1 (7.69%) Software Developer
Libraries, Frameworks & Software Standards
1 11 (84.62%) .NET
2 9 (69.23%) HTML
3 8 (61.54%) .NET Core
3 8 (61.54%) AngularJS
3 8 (61.54%) ASP.NET
3 8 (61.54%) ASP.NET Web Forms
4 2 (15.38%) Gherkin
5 1 (7.69%) React
5 1 (7.69%) XML
Miscellaneous
1 1 (7.69%) Greenfield Project
Processes & Methodologies
1 11 (84.62%) MVC
2 8 (61.54%) Continuous Delivery
2 8 (61.54%) Continuous Integration
2 8 (61.54%) Problem-Solving
3 5 (38.46%) Agile Software Development
4 3 (23.08%) Scrum
4 3 (23.08%) Test Automation
5 2 (15.38%) Acceptance Criteria
5 2 (15.38%) ATDD
5 2 (15.38%) BDD
5 2 (15.38%) Defect Management
5 2 (15.38%) Refactoring
5 2 (15.38%) Regression Testing
5 2 (15.38%) Risk Analysis
5 2 (15.38%) Scenario Testing
5 2 (15.38%) SDLC
5 2 (15.38%) Time Management
5 2 (15.38%) User Stories
6 1 (7.69%) Coaching
6 1 (7.69%) Mentoring
Programming Languages
1 11 (84.62%) C#
2 8 (61.54%) JavaScript
3 1 (7.69%) SQL
Quality Assurance & Compliance
1 2 (15.38%) QA
Vendors
1 2 (15.38%) Microsoft