The following table provides summary statistics for contract job vacancies advertised in Sheffield with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 28 June 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)
South Yorkshire / Sheffield
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 10 29 26
Rank change year-on-year +19 -3  
Contract jobs citing TDD 31 18 8
As % of all contract IT jobs advertised in Sheffield 12.70% 4.76% 2.90%
As % of the Processes & Methodologies category 14.35% 5.70% 3.69%
Number of daily rates quoted 21 17 5
Median daily rate £425 £413 £375
Median daily rate % change year-on-year +3.03% +10.00%  
90% offered a daily rate of more than £325 £319 £313
10% offered a daily rate of more than £525 £459 £395
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £43.75
% change year-on-year +3.75% -8.57%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Sheffield with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Sheffield
Contract job vacancies with a requirement for process and methodology skills 216 316 217
As % of all contract IT job vacancies advertised in Sheffield 88.52% 83.60% 78.62%
Number of daily rates quoted 638 989 554
Median daily rate £475 £413 £375
Median daily rate % change year-on-year +15.15% +10.00%  
90% offered a daily rate of more than £313 £305 £263
10% offered a daily rate of more than £750 £563 £538
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 11 6 10
Median hourly rate £22.75 £14.00 £12.50
Median hourly rate % change year-on-year +62.50% +12.00%  
90% offered a hourly rate of more than £14.00 £10.00 £12.25
10% offered a hourly rate of more than £27.50 £17.00 £15.35
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

TDD
Job Vacancy Trend in Sheffield

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

Job vacancy trend for TDD in Sheffield

TDD
Contractor Daily Rate Trend in Sheffield

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

Contractor daily rate trend for TDD in Sheffield

TDD
Contractor Daily Rate Histogram in Sheffield

The daily rate distribution of IT jobs citing TDD in Sheffield over the 3 months to 28 June 2017.

Contractor daily rate histogram for TDD in Sheffield

TDD
Contractor Hourly Rate Trend in Sheffield

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

Contractor hourly rate trend for TDD in Sheffield

For the 6 months to 28 June 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 Sheffield region with a requirement for TDD.

1 72 (82.76%) Java
2 69 (79.31%) Agile Software Development
3 62 (71.26%) CSS
4 60 (68.97%) JavaScript
5 57 (65.52%) Git (software)
6 56 (64.37%) Linux
7 49 (56.32%) Unix
8 46 (52.87%) Mac OS X
8 46 (52.87%) BDD
8 46 (52.87%) DevOps
9 42 (48.28%) Relational Database
10 41 (47.13%) Continuous Integration
11 40 (45.98%) Web Development
12 39 (44.83%) Configuration Management
13 38 (43.68%) Mentoring
14 37 (42.53%) Continuous Delivery
14 37 (42.53%) HTML
15 35 (40.23%) Web Services
15 35 (40.23%) User Experience
15 35 (40.23%) Line Management
16 33 (37.93%) Front End Development
16 33 (37.93%) Test Automation
17 29 (33.33%) REST
18 27 (31.03%) Python
19 26 (29.89%) Ruby
20 24 (27.59%) Prototyping
21 23 (26.44%) Security Cleared
22 21 (24.14%) Web Design
23 20 (22.99%) HTTP
23 20 (22.99%) Responsive Web Design

TDD
Co-occurring IT Skills in Sheffield 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 (2.30%) Tomcat
2 1 (1.15%) Apache
2 1 (1.15%) CMS
2 1 (1.15%) nginx
Business Applications
1 11 (12.64%) SAP Oil and Gas
Cloud Services
1 3 (3.45%) Amazon AWS
2 1 (1.15%) Amazon EC2
2 1 (1.15%) GitHub
2 1 (1.15%) Google Cloud Platform
2 1 (1.15%) Microsoft Azure
2 1 (1.15%) SaaS
Communications & Networking
1 20 (22.99%) HTTP
2 2 (2.30%) Internet
3 1 (1.15%) Intranet
3 1 (1.15%) SSL
Database & Business Intelligence
1 42 (48.28%) Relational Database
2 3 (3.45%) Big Data
2 3 (3.45%) PostgreSQL
3 2 (2.30%) MySQL
3 2 (2.30%) NoSQL
4 1 (1.15%) Apache Cassandra
4 1 (1.15%) MongoDB
4 1 (1.15%) Redis
Development Applications
1 57 (65.52%) Git (software)
2 7 (8.05%) JUnit
3 6 (6.90%) Selenium
4 5 (5.75%) Cucumber
5 4 (4.60%) Jenkins
6 3 (3.45%) Jasmine
6 3 (3.45%) JBehave
6 3 (3.45%) Maven
6 3 (3.45%) Mockito
6 3 (3.45%) NUnit
7 2 (2.30%) DbUnit
7 2 (2.30%) FitNesse
7 2 (2.30%) JIRA
7 2 (2.30%) jMock
7 2 (2.30%) SonarQube
8 1 (1.15%) Bitbucket
8 1 (1.15%) Gradle
8 1 (1.15%) Grunt
8 1 (1.15%) gulp
8 1 (1.15%) Zephyr
General
1 17 (19.54%) Finance
2 11 (12.64%) Electronics
2 11 (12.64%) Manufacturing
2 11 (12.64%) Marketing
2 11 (12.64%) Telecoms
3 4 (4.60%) Back Office
4 3 (3.45%) Banking
5 1 (1.15%) Advertising
5 1 (1.15%) Multimedia
Job Titles
1 75 (86.21%) Developer
2 47 (54.02%) Java Developer
3 33 (37.93%) Front End Developer (Client-Side Developer)
4 15 (17.24%) Front End Java Developer (Client-Side Java Developer)
5 9 (10.34%) HTML Developer
5 9 (10.34%) JavaScript Developer
6 6 (6.90%) Senior Developer
7 5 (5.75%) Full Stack Developer
8 4 (4.60%) Automation Tester
8 4 (4.60%) HTML CSS Developer
8 4 (4.60%) Senior Java Developer
8 4 (4.60%) Tester
9 3 (3.45%) Java Automation Tester
9 3 (3.45%) Python Developer
9 3 (3.45%) Ruby Developer
9 3 (3.45%) Software Engineer
10 2 (2.30%) .NET Developer
10 2 (2.30%) Angular Developer
10 2 (2.30%) Developer in Test
10 2 (2.30%) Lead Developer
Libraries, Frameworks & Software Standards
1 62 (71.26%) CSS
2 37 (42.53%) HTML
3 35 (40.23%) Web Services
4 29 (33.33%) REST
5 13 (14.94%) React
6 8 (9.20%) Node.js
7 7 (8.05%) AngularJS
8 6 (6.90%) SOAP
9 5 (5.75%) HTML5
9 5 (5.75%) RESTful
10 4 (4.60%) CSS3
10 4 (4.60%) Gherkin
10 4 (4.60%) jQuery
10 4 (4.60%) Spring
11 3 (3.45%) .NET
11 3 (3.45%) J2EE
11 3 (3.45%) XML
12 2 (2.30%) Apache CXF
12 2 (2.30%) ASP.NET
12 2 (2.30%) Entity Framework
Miscellaneous
1 35 (40.23%) User Experience
2 2 (2.30%) Greenfield Project
2 2 (2.30%) Mobile App
3 1 (1.15%) Analytical Skills
3 1 (1.15%) Apple TV
3 1 (1.15%) Foreign Exchange (FX)
3 1 (1.15%) RIA
Operating Systems
1 56 (64.37%) Linux
2 49 (56.32%) Unix
3 46 (52.87%) Mac OS X
4 1 (1.15%) Apple iOS
4 1 (1.15%) Mac OS
4 1 (1.15%) Ubuntu
4 1 (1.15%) Windows
Processes & Methodologies
1 69 (79.31%) Agile Software Development
2 46 (52.87%) BDD
2 46 (52.87%) DevOps
3 41 (47.13%) Continuous Integration
4 40 (45.98%) Web Development
5 39 (44.83%) Configuration Management
6 38 (43.68%) Mentoring
7 37 (42.53%) Continuous Delivery
8 35 (40.23%) Line Management
9 33 (37.93%) Front End Development
9 33 (37.93%) Test Automation
10 24 (27.59%) Prototyping
11 21 (24.14%) Web Design
12 20 (22.99%) Responsive Web Design
13 17 (19.54%) Rapid Prototyping
14 15 (17.24%) Data Visualisation
14 15 (17.24%) Visualisation
15 11 (12.64%) Business Intelligence
15 11 (12.64%) Digital Marketing
15 11 (12.64%) Programme Management
Programming Languages
1 72 (82.76%) Java
2 60 (68.97%) JavaScript
3 27 (31.03%) Python
4 26 (29.89%) Ruby
5 7 (8.05%) Scala
6 4 (4.60%) SQL
7 3 (3.45%) C#
7 3 (3.45%) Shell Script
8 2 (2.30%) Go
8 2 (2.30%) PHP
9 1 (1.15%) Apple Swift
9 1 (1.15%) Bash Shell
9 1 (1.15%) ECMAScript
9 1 (1.15%) ES6
9 1 (1.15%) Korn
9 1 (1.15%) Objective-C
9 1 (1.15%) XPath
Qualifications
1 23 (26.44%) Security Cleared
2 12 (13.79%) CTC Cleared
2 12 (13.79%) SC Cleared
3 7 (8.05%) BC Cleared
4 3 (3.45%) BPSS Clearance
5 1 (1.15%) DBS Check
5 1 (1.15%) Degree
5 1 (1.15%) ISEB
Quality Assurance & Compliance
1 6 (6.90%) Disclosure Scotland
2 5 (5.75%) QA
3 1 (1.15%) FATCA
System Software
1 3 (3.45%) Docker
2 1 (1.15%) VMware Infrastructure
2 1 (1.15%) vSphere
Systems Management
1 1 (1.15%) HP Quality Center
Vendors
1 11 (12.64%) SAP
2 2 (2.30%) Microsoft
3 1 (1.15%) Apple
3 1 (1.15%) Google
3 1 (1.15%) HP
3 1 (1.15%) Solace
3 1 (1.15%) VMware
3 1 (1.15%) Zend
Sheffield, South Yorkshire
Elevate Direct
Rate: From £400 to £463 per day
Posted: 2 days ago