Period
to 19 November 2017

The following table provides summary statistics for contract job vacancies advertised in Stockport with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 19 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
Manchester > Stockport
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 18 17 11
Rank change year-on-year -1 -6 -2
Contract jobs citing TDD 9 15 7
As % of all contract IT jobs advertised in Stockport 8.57% 8.06% 9.21%
As % of the Processes & Methodologies category 17.31% 9.09% 14.00%
Number of daily rates quoted 1 18 6
Stockport median daily rate £325 £423 £325
Median daily rate % change year-on-year -23.08% +30.00% +1.56%
10th Percentile £313 £281 £269
90th Percentile £338 £513 £358
Manchester median daily rate £400 £425 £375
% change year-on-year -5.88% +13.33% +15.38%
Number of hourly rates quoted 0 0 0
Stockport median hourly rate - - -
Manchester median hourly rate - - -

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Stockport with a requirement for process or methodology skills.

All Process and Methodology Skills
Stockport
Contract vacancies with a requirement for process or methodology skills 52 165 50
As % of all contract IT jobs advertised in Stockport 49.52% 88.71% 65.79%
Number of daily rates quoted 34 128 27
Stockport median daily rate £375 £425 £325
Median daily rate % change year-on-year -11.76% +30.77% +1.56%
10th Percentile £213 £250 £195
90th Percentile £523 £566 £400
Manchester median daily rate £400 £400 £375
% change year-on-year - +6.67% +9.33%
Number of hourly rates quoted 3 3 15
Stockport median hourly rate £45.00 £32.50 £37.50
Median hourly rate % change year-on-year +38.46% -13.33% +150.00%
10th Percentile £19.66 £19.25 £22.20
90th Percentile £144.00 £38.75 £40.60
Manchester median hourly rate £17.50 £15.25 £19.50
% change year-on-year +14.75% -21.79% +30.00%

TDD
Job Vacancy Trend in Stockport

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

Job vacancy trend for TDD in Stockport

TDD
Contractor Daily Rate Trend in Stockport

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Stockport.

Contractor daily rate trend for TDD in Stockport

For the 6 months to 19 November 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Stockport region with a requirement for TDD.

1 8 (88.89%) JavaScript
1 8 (88.89%) Test Automation
2 7 (77.78%) Red Hat Enterprise Linux
2 7 (77.78%) Git (software)
2 7 (77.78%) Open Source
2 7 (77.78%) MongoDB
2 7 (77.78%) NoSQL
2 7 (77.78%) Node.js
2 7 (77.78%) REST
2 7 (77.78%) Microservices
2 7 (77.78%) SQL
2 7 (77.78%) Java
2 7 (77.78%) MySQL
2 7 (77.78%) PostgreSQL
2 7 (77.78%) Linux
2 7 (77.78%) Software Engineering
3 4 (44.44%) SDLC
3 4 (44.44%) Slack
3 4 (44.44%) Confluence
3 4 (44.44%) Cucumber
3 4 (44.44%) BDD
3 4 (44.44%) Mentoring
3 4 (44.44%) Coaching
3 4 (44.44%) JIRA
4 3 (33.33%) Red Hat
4 3 (33.33%) Agile Software Development
4 3 (33.33%) Scrum
4 3 (33.33%) JUnit
4 3 (33.33%) Apache Cassandra
4 3 (33.33%) Jasmine

TDD
Co-occurring IT Skills in Stockport 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 (44.44%) Confluence
Cloud Services
1 4 (44.44%) Slack
2 1 (11.11%) Amazon AWS
Database & Business Intelligence
1 7 (77.78%) MongoDB
1 7 (77.78%) MySQL
1 7 (77.78%) NoSQL
1 7 (77.78%) PostgreSQL
2 3 (33.33%) Apache Cassandra
Development Applications
1 7 (77.78%) Git (software)
2 4 (44.44%) Cucumber
2 4 (44.44%) JIRA
3 3 (33.33%) Jasmine
3 3 (33.33%) Jenkins
3 3 (33.33%) JUnit
4 1 (11.11%) Selenium
Job Titles
1 7 (77.78%) Senior Software Engineer
1 7 (77.78%) Software Engineer
2 6 (66.67%) Java Engineer
2 6 (66.67%) Java Software Engineer
2 6 (66.67%) JavaScript Engineer
2 6 (66.67%) Senior Java Engineer
2 6 (66.67%) Senior Java Software Engineer
3 2 (22.22%) Developer
4 1 (11.11%) .NET Developer
4 1 (11.11%) .NET Web Developer
4 1 (11.11%) Applications Developer
4 1 (11.11%) ASP.NET Developer
4 1 (11.11%) C# ASP.NET Developer
4 1 (11.11%) C# Developer
4 1 (11.11%) C# Web Developer
4 1 (11.11%) Full Stack Developer
4 1 (11.11%) Mobile Applications Developer
4 1 (11.11%) Mobile Developer
4 1 (11.11%) Web Developer
4 1 (11.11%) Xamarin Developer
Libraries, Frameworks & Software Standards
1 7 (77.78%) Node.js
1 7 (77.78%) REST
2 2 (22.22%) RESTful
3 1 (11.11%) .NET
3 1 (11.11%) ASP.NET
3 1 (11.11%) ASP.NET Core
3 1 (11.11%) ASP.NET MVC
3 1 (11.11%) CSS
3 1 (11.11%) jQuery
3 1 (11.11%) Nightwatchjs
3 1 (11.11%) Web Services
Miscellaneous
1 1 (11.11%) Mobile App
Operating Systems
1 7 (77.78%) Linux
1 7 (77.78%) Red Hat Enterprise Linux
2 1 (11.11%) Apple iOS
Processes & Methodologies
1 8 (88.89%) Test Automation
2 7 (77.78%) Microservices
2 7 (77.78%) Open Source
2 7 (77.78%) Software Engineering
3 4 (44.44%) BDD
3 4 (44.44%) Coaching
3 4 (44.44%) Mentoring
3 4 (44.44%) SDLC
4 3 (33.33%) Agile Software Development
4 3 (33.33%) Case Management
4 3 (33.33%) Integration Testing
4 3 (33.33%) Kanban
4 3 (33.33%) Scrum
5 2 (22.22%) MVC
6 1 (11.11%) Continuous Integration
6 1 (11.11%) iOS Development
6 1 (11.11%) Mobile Development
6 1 (11.11%) SMACSS
6 1 (11.11%) Unit Testing
6 1 (11.11%) Web Development
Programming Languages
1 8 (88.89%) JavaScript
2 7 (77.78%) Java
2 7 (77.78%) SQL
3 1 (11.11%) Apple Swift
3 1 (11.11%) C#
3 1 (11.11%) Objective-C
Quality Assurance & Compliance
1 1 (11.11%) QA
Vendors
1 3 (33.33%) Pega
1 3 (33.33%) Red Hat
2 1 (11.11%) Xamarin