Period
to 15 August 2018

The following table provides summary statistics for contract job vacancies advertised in South Yorkshire 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 15 August 2018 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)
Yorkshire > South Yorkshire
6 months to
15 Aug 2018
Same period 2017 Same period 2016
Rank 28 13 43
Rank change year-on-year -15 +30 +7
Contract jobs citing TDD 56 81 41
As % of all contract IT jobs advertised in South Yorkshire 5.83% 9.81% 3.95%
As % of the Processes & Methodologies category 6.80% 11.91% 4.88%
Number of daily rates quoted 39 58 40
South Yorkshire median daily rate £425 £450 £425
Median daily rate % change year-on-year -5.56% +5.88% +13.33%
10th Percentile £323 £363 £318
90th Percentile £495 £645 £489
Yorkshire median daily rate £425 £425 £450
% change year-on-year - -5.56% +20.00%
Number of hourly rates quoted 0 0 0
South Yorkshire median hourly rate - - -
Yorkshire 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 South Yorkshire with a requirement for process or methodology skills.

All Process and Methodology Skills
South Yorkshire
Contract vacancies with a requirement for process or methodology skills 823 680 840
As % of all contract IT jobs advertised in South Yorkshire 85.64% 82.32% 80.85%
Number of daily rates quoted 524 386 595
South Yorkshire median daily rate £413 £400 £425
Median daily rate % change year-on-year +3.13% -5.88% +26.87%
10th Percentile £263 £253 £281
90th Percentile £550 £575 £575
Yorkshire median daily rate £406 £400 £400
% change year-on-year +1.56% - +11.11%
Number of hourly rates quoted 33 14 28
South Yorkshire median hourly rate £20.00 £13.75 £20.50
Median hourly rate % change year-on-year +45.45% -32.93% +47.75%
10th Percentile £9.31 £10.75 £10.50
90th Percentile £49.75 £26.49 £47.50
Yorkshire median hourly rate £17.51 £13.86 £14.50
% change year-on-year +26.33% -4.41% +1.75%

TDD
Job Vacancy Trend in South Yorkshire

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

Job vacancy trend for TDD in South Yorkshire

TDD
Contractor Daily Rate Trend in South Yorkshire

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

Contractor daily rate trend for TDD in South Yorkshire

TDD
Contractor Daily Rate Histogram in South Yorkshire

The daily rate distribution of IT jobs citing TDD in South Yorkshire over the 6 months to 15 August 2018.

Contractor daily rate histogram for TDD in South Yorkshire

TDD
Contractor Hourly Rate Trend in South Yorkshire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in South Yorkshire.

Contractor hourly rate trend for TDD in South Yorkshire

TDD
Contract Job Locations in South Yorkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the South Yorkshire region over the 6 months to 15 August 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Sheffield -6 52 £425 -5.56% 9
Barnsley - 2 £375 - 2
TDD
Yorkshire

For the 6 months to 15 August 2018, IT contractor 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 contract job ads across the South Yorkshire region with a requirement for TDD.

1 46 (82.14%) Agile Software Development
2 40 (71.43%) Java
3 26 (46.43%) Spring
4 24 (42.86%) JavaScript
4 24 (42.86%) Microservices
5 22 (39.29%) Spring Boot
6 21 (37.50%) Java 8
7 19 (33.93%) RESTful
8 17 (30.36%) Test Automation
8 17 (30.36%) Hibernate
9 16 (28.57%) OO
10 15 (26.79%) SQL
11 14 (25.00%) BDD
12 11 (19.64%) NoSQL
12 11 (19.64%) Software Engineering
12 11 (19.64%) Git (software)
12 11 (19.64%) Maven
13 10 (17.86%) Scrum
13 10 (17.86%) JIRA
14 9 (16.07%) Confluence
15 8 (14.29%) DevOps
15 8 (14.29%) Mentoring
16 7 (12.50%) Open Source
16 7 (12.50%) QA
16 7 (12.50%) HTML
17 6 (10.71%) PHP
17 6 (10.71%) MySQL
17 6 (10.71%) Linux
17 6 (10.71%) REST
17 6 (10.71%) Coaching

TDD
Co-occurring IT Skills in South Yorkshire 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 9 (16.07%) Confluence
2 3 (5.36%) Mule
3 1 (1.79%) JBoss
3 1 (1.79%) WebLogic
Applications
1 1 (1.79%) Adobe Creative Suite
1 1 (1.79%) MS Visio
Cloud Services
1 4 (7.14%) Slack
2 3 (5.36%) Amazon AWS
3 1 (1.79%) GitHub
3 1 (1.79%) Google Tag Manager
Communications & Networking
1 1 (1.79%) HTTP
Database & Business Intelligence
1 11 (19.64%) NoSQL
2 6 (10.71%) MySQL
3 5 (8.93%) MongoDB
3 5 (8.93%) PostgreSQL
4 4 (7.14%) SQL Server
5 1 (1.79%) Apache Cassandra
5 1 (1.79%) QlikView
Development Applications
1 11 (19.64%) Git (software)
1 11 (19.64%) Maven
2 10 (17.86%) JIRA
3 4 (7.14%) Bitbucket
3 4 (7.14%) Cucumber
4 2 (3.57%) Jenkins
4 2 (3.57%) Mercurial
4 2 (3.57%) Subversion
4 2 (3.57%) Team Foundation Server
4 2 (3.57%) Visual Studio
5 1 (1.79%) Capybara
5 1 (1.79%) RSpec
5 1 (1.79%) Sinon.JS
General
1 3 (5.36%) Finance
2 1 (1.79%) Banking
Job Titles
1 47 (83.93%) Developer
2 33 (58.93%) Java Developer
3 7 (12.50%) Senior Developer
3 7 (12.50%) Senior Java Developer
4 6 (10.71%) PHP Developer
4 6 (10.71%) Software Engineer
5 5 (8.93%) Lead Developer
5 5 (8.93%) Lead Java Developer
6 3 (5.36%) MuleSoft Developer
7 2 (3.57%) .NET Developer
7 2 (3.57%) AWS Engineer
7 2 (3.57%) AWS Software Engineer
7 2 (3.57%) Java Engineer
7 2 (3.57%) Java Software Engineer
7 2 (3.57%) JavaScript Engineer
7 2 (3.57%) Ruby Developer
7 2 (3.57%) Ruby on Rails Developer
7 2 (3.57%) Systems Developer
8 1 (1.79%) SQL Developer
8 1 (1.79%) VB.NET Developer
Libraries, Frameworks & Software Standards
1 26 (46.43%) Spring
2 22 (39.29%) Spring Boot
3 19 (33.93%) RESTful
4 17 (30.36%) Hibernate
5 7 (12.50%) HTML
6 6 (10.71%) REST
7 5 (8.93%) Node.js
7 5 (8.93%) Ruby on Rails
8 4 (7.14%) CSS
8 4 (7.14%) Dropwizard
8 4 (7.14%) jQuery
9 3 (5.36%) .NET
9 3 (5.36%) JSON
9 3 (5.36%) Kafka
10 2 (3.57%) .NET Framework
10 2 (3.57%) Entity Framework
10 2 (3.57%) HTML5
10 2 (3.57%) LINQ
10 2 (3.57%) Twitter Bootstrap
10 2 (3.57%) Web Services
Miscellaneous
1 2 (3.57%) Enterprise Software
1 2 (3.57%) Greenfield Project
1 2 (3.57%) User Experience
1 2 (3.57%) W3C
2 1 (1.79%) Management Information System
2 1 (1.79%) NHS
Operating Systems
1 6 (10.71%) Linux
2 4 (7.14%) Red Hat Enterprise Linux
3 2 (3.57%) Unix
4 1 (1.79%) Mac OS X
Processes & Methodologies
1 46 (82.14%) Agile Software Development
2 24 (42.86%) Microservices
3 17 (30.36%) Test Automation
4 16 (28.57%) OO
5 14 (25.00%) BDD
6 11 (19.64%) Software Engineering
7 10 (17.86%) Scrum
8 8 (14.29%) DevOps
8 8 (14.29%) Mentoring
9 7 (12.50%) Open Source
10 6 (10.71%) Coaching
10 6 (10.71%) User Stories
11 5 (8.93%) SFIA
12 4 (7.14%) API Testing
12 4 (7.14%) MVC
12 4 (7.14%) SDLC
12 4 (7.14%) SOA
13 3 (5.36%) DSDM
13 3 (5.36%) Kanban
13 3 (5.36%) OOP
Programming Languages
1 40 (71.43%) Java
2 24 (42.86%) JavaScript
3 21 (37.50%) Java 8
4 15 (26.79%) SQL
5 6 (10.71%) PHP
6 5 (8.93%) Ruby
7 3 (5.36%) Kotlin
8 2 (3.57%) C#
8 2 (3.57%) Scala
8 2 (3.57%) T-SQL
8 2 (3.57%) VB.NET
9 1 (1.79%) ES6
9 1 (1.79%) Python
9 1 (1.79%) R
9 1 (1.79%) Shell Script
9 1 (1.79%) XPath
Qualifications
1 2 (3.57%) HND
Quality Assurance & Compliance
1 7 (12.50%) QA
2 2 (3.57%) SLA
System Software
1 3 (5.36%) Docker
Vendors
1 4 (7.14%) MuleSoft
2 2 (3.57%) Microsoft
3 1 (1.79%) Adobe
3 1 (1.79%) Google
3 1 (1.79%) Tableau