Period
to 21 October 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 21 October 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
21 Oct 2018
Same period 2017 Same period 2016
Rank 29 14 19
Rank change year-on-year -15 +5 +17
Contract jobs citing TDD 41 69 78
As % of all contract IT jobs advertised in South Yorkshire 4.86% 8.67% 7.07%
As % of the Processes & Methodologies category 5.73% 10.44% 8.81%
Number of daily rates quoted 26 55 69
South Yorkshire median daily rate £420 £450 £450
Median daily rate % change year-on-year -6.67% - +24.14%
10th Percentile £319 £363 £355
90th Percentile £514 £645 £570
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 715 661 885
As % of all contract IT jobs advertised in South Yorkshire 84.72% 83.04% 80.16%
Number of daily rates quoted 459 360 609
South Yorkshire median daily rate £410 £425 £425
Median daily rate % change year-on-year -3.53% - +13.33%
10th Percentile £223 £229 £270
90th Percentile £538 £588 £575
Yorkshire median daily rate £413 £400 £400
% change year-on-year +3.13% - +6.67%
Number of hourly rates quoted 22 13 35
South Yorkshire median hourly rate £15.00 £16.29 £22.50
Median hourly rate % change year-on-year -7.92% -27.60% +62.16%
10th Percentile £9.31 £11.30 £10.99
90th Percentile £27.17 £43.50 £49.00
Yorkshire median hourly rate £17.41 £14.20 £14.81
% change year-on-year +22.61% -4.10% +4.37%

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 21 October 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 21 October 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 0 41 £420 -6.67% 12
TDD
Yorkshire

For the 6 months to 21 October 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 38 (92.68%) Agile Software Development
2 29 (70.73%) Java
3 19 (46.34%) Spring
3 19 (46.34%) JavaScript
4 15 (36.59%) Microservices
5 14 (34.15%) Java 8
5 14 (34.15%) Spring Boot
6 12 (29.27%) BDD
7 11 (26.83%) RESTful
8 10 (24.39%) DevOps
8 10 (24.39%) Hibernate
9 9 (21.95%) OO
10 8 (19.51%) SQL
10 8 (19.51%) C#
11 7 (17.07%) HTML
11 7 (17.07%) Scrum
11 7 (17.07%) QA
11 7 (17.07%) Test Automation
12 6 (14.63%) Git (software)
12 6 (14.63%) NoSQL
12 6 (14.63%) Kafka
12 6 (14.63%) JIRA
12 6 (14.63%) Maven
12 6 (14.63%) Software Engineering
13 5 (12.20%) MVC
13 5 (12.20%) PHP
13 5 (12.20%) HTML5
14 4 (9.76%) Node.js
14 4 (9.76%) REST
14 4 (9.76%) AngularJS

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 3 (7.32%) Apache
1 3 (7.32%) Confluence
1 3 (7.32%) Mule
2 2 (4.88%) nginx
3 1 (2.44%) JBoss
3 1 (2.44%) WebLogic
3 1 (2.44%) WebSphere
Business Applications
1 1 (2.44%) Distributed Ledger
Cloud Services
1 3 (7.32%) GitHub
2 1 (2.44%) Amazon AWS
2 1 (2.44%) Microsoft Azure
2 1 (2.44%) Slack
Communications & Networking
1 1 (2.44%) AMQP
Database & Business Intelligence
1 6 (14.63%) NoSQL
2 2 (4.88%) MongoDB
2 2 (4.88%) MySQL
3 1 (2.44%) Apache Hive
3 1 (2.44%) Big Data
3 1 (2.44%) Blockchain
3 1 (2.44%) Couchbase
3 1 (2.44%) Hadoop
3 1 (2.44%) PostgreSQL
3 1 (2.44%) Redis
3 1 (2.44%) Riak
3 1 (2.44%) SQL Server
Development Applications
1 6 (14.63%) Git (software)
1 6 (14.63%) JIRA
1 6 (14.63%) Maven
2 3 (7.32%) Sinon.JS
3 2 (4.88%) Bitbucket
3 2 (4.88%) Cucumber
3 2 (4.88%) Mercurial
3 2 (4.88%) Subversion
4 1 (2.44%) Artifactory
4 1 (2.44%) FitNesse
4 1 (2.44%) Jenkins
4 1 (2.44%) Selenium
4 1 (2.44%) Vagrant
4 1 (2.44%) Visual Studio
General
1 2 (4.88%) Finance
2 1 (2.44%) Banking
Job Titles
1 37 (90.24%) Developer
2 23 (56.10%) Java Developer
3 5 (12.20%) JavaScript Developer
4 4 (9.76%) Agile Developer
4 4 (9.76%) React Developer
5 3 (7.32%) .NET Developer
5 3 (7.32%) MuleSoft Developer
6 2 (4.88%) HTML Developer
6 2 (4.88%) Lead Developer
6 2 (4.88%) Lead Java Developer
6 2 (4.88%) PHP Developer
6 2 (4.88%) Software Engineer
7 1 (2.44%) Front End Developer (Client-Side Developer)
7 1 (2.44%) Java Engineer
7 1 (2.44%) Lead Software Engineer
7 1 (2.44%) Senior Developer
7 1 (2.44%) Senior JavaScript Developer
7 1 (2.44%) Software Developer
7 1 (2.44%) UI Developer
7 1 (2.44%) Web Developer
Libraries, Frameworks & Software Standards
1 19 (46.34%) Spring
2 14 (34.15%) Spring Boot
3 11 (26.83%) RESTful
4 10 (24.39%) Hibernate
5 7 (17.07%) HTML
6 6 (14.63%) Kafka
7 5 (12.20%) HTML5
8 4 (9.76%) .NET
8 4 (9.76%) AngularJS
8 4 (9.76%) CSS
8 4 (9.76%) Node.js
8 4 (9.76%) REST
9 3 (7.32%) .NET Core
9 3 (7.32%) ASP.NET Web API
9 3 (7.32%) Dropwizard
9 3 (7.32%) JSON
9 3 (7.32%) RabbitMQ
9 3 (7.32%) Web Services
9 3 (7.32%) XML
9 3 (7.32%) XSLT
Miscellaneous
1 4 (9.76%) Greenfield Project
2 2 (4.88%) User Experience
3 1 (2.44%) Algorithms
3 1 (2.44%) Computer Science
3 1 (2.44%) Data Structures
3 1 (2.44%) Management Information System
Operating Systems
1 3 (7.32%) Linux
1 3 (7.32%) Unix
Processes & Methodologies
1 38 (92.68%) Agile Software Development
2 15 (36.59%) Microservices
3 12 (29.27%) BDD
4 10 (24.39%) DevOps
5 9 (21.95%) OO
6 7 (17.07%) Scrum
6 7 (17.07%) Test Automation
7 6 (14.63%) Software Engineering
8 5 (12.20%) MVC
9 4 (9.76%) SOA
10 3 (7.32%) ATDD
10 3 (7.32%) E-Commerce
10 3 (7.32%) OOP
10 3 (7.32%) Open Source
10 3 (7.32%) Separation of Concerns
10 3 (7.32%) Single Responsibility Principle
10 3 (7.32%) Unit Testing
11 2 (4.88%) High Availability
11 2 (4.88%) Mentoring
11 2 (4.88%) Responsive Web Design
Programming Languages
1 29 (70.73%) Java
2 19 (46.34%) JavaScript
3 14 (34.15%) Java 8
4 8 (19.51%) C#
4 8 (19.51%) SQL
5 5 (12.20%) PHP
6 4 (9.76%) Kotlin
6 4 (9.76%) Python
7 3 (7.32%) ES6
7 3 (7.32%) Shell Script
7 3 (7.32%) XPath
8 1 (2.44%) Bash Shell
8 1 (2.44%) Ruby
8 1 (2.44%) Scala
Qualifications
1 1 (2.44%) Computer Science Degree
1 1 (2.44%) Degree
Quality Assurance & Compliance
1 7 (17.07%) QA
System Software
1 4 (9.76%) Docker
Systems Management
1 2 (4.88%) Puppet
2 1 (2.44%) Ansible
2 1 (2.44%) Cobbler
2 1 (2.44%) Grafana
2 1 (2.44%) Graylog
2 1 (2.44%) Kubernetes
2 1 (2.44%) Opscode Chef
2 1 (2.44%) Terraform
Vendors
1 4 (9.76%) MuleSoft
2 1 (2.44%) IBM
2 1 (2.44%) Informatica
2 1 (2.44%) TIBCO